iis: fix panic (#1820)

Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>

.run/all.run.xml

@@ -2,7 +2,7 @@
   <configuration default="false" name="all" type="GoApplicationRunConfiguration" factoryName="Go Application" folderName="run">
     <module name="windows_exporter" />
     <working_directory value="$PROJECT_DIR$" />
-    <parameters value="--web.listen-address=127.0.0.1:9182 --log.level=info --collectors.enabled=ad,adcs,adfs,cache,container,cpu,cpu_info,cs,dfsr,dhcp,diskdrive,dns,exchange,filetime,fsrmquota,hyperv,iis,license,logical_disk,logon,memory,mscluster,msmq,mssql,net,netframework,nps,os,pagefile,performancecounter,physical_disk,printer,process,remote_fx,scheduled_task,service,smb,smbclient,smtp,system,tcp,terminal_services,thermalzone,time,udp,update,vmware --debug.enabled" />
+    <parameters value="--web.listen-address=127.0.0.1:9182 --log.level=info --collectors.enabled=ad,adcs,adfs,cache,container,cpu,cpu_info,cs,dfsr,dhcp,diskdrive,dns,exchange,filetime,fsrmquota,hyperv,iis,license,logical_disk,logon,memory,mscluster,msmq,mssql,net,netframework,nps,os,pagefile,performancecounter,physical_disk,printer,process,remote_fx,scheduled_task,service,smb,smbclient,smtp,system,tcp,terminal_services,thermalzone,time,udp,update,vmware,performancecounter --debug.enabled --collector.performancecounter.objects='[{ &quot;name&quot;: &quot;memory&quot;, &quot;object&quot;: &quot;Memory&quot;, &quot;counters&quot;: [{ &quot;name&quot;:&quot;Cache Faults/sec&quot;, &quot;type&quot;:&quot;counter&quot; }]}]'" />
     <sudo value="true" />
     <kind value="PACKAGE" />
     <package value="github.com/prometheus-community/windows_exporter/cmd/windows_exporter" />

cmd/windows_exporter/main.go

@@ -33,6 +33,7 @@ import (
 	"os/signal"
 	"os/user"
 	"runtime"
+	"runtime/debug"
 	"slices"
 	"strings"
 	"time"
@@ -66,6 +67,7 @@ func main() {
 
 func run() int {
 	startTime := time.Now()
+	ctx := context.Background()
 
 	app := kingpin.New("windows_exporter", "A metrics collector for Windows.")
 
@@ -103,6 +105,10 @@ func run() int {
 			"process.priority",
 			"Priority of the exporter process. Higher priorities may improve exporter responsiveness during periods of system load. Can be one of [\"realtime\", \"high\", \"abovenormal\", \"normal\", \"belownormal\", \"low\"]",
 		).Default("normal").String()
+		memoryLimit = app.Flag(
+			"process.memory-limit",
+			"Limit memory usage in bytes. This is a soft-limit and not guaranteed. 0 means no limit. Read more at https://pkg.go.dev/runtime/debug#SetMemoryLimit .",
+		).Default("200000000").Int64()
 	)
 
 	logFile := &log.AllowedFile{}
@@ -132,6 +138,8 @@ func run() int {
 		return 1
 	}
 
+	debug.SetMemoryLimit(*memoryLimit)
+
 	logger, err := log.New(logConfig)
 	if err != nil {
 		//nolint:sloglint // we do not have an logger yet
@@ -143,7 +151,7 @@ func run() int {
 	}
 
 	if *configFile != "" {
-		resolver, err := config.NewResolver(*configFile, logger, *insecureSkipVerify)
+		resolver, err := config.NewResolver(ctx, *configFile, logger, *insecureSkipVerify)
 		if err != nil {
 			logger.Error("could not load config file",
 				slog.Any("err", err),
@@ -153,7 +161,7 @@ func run() int {
 		}
 
 		if err = resolver.Bind(app, os.Args[1:]); err != nil {
-			logger.Error("Failed to bind configuration",
+			logger.ErrorContext(ctx, "failed to bind configuration",
 				slog.Any("err", err),
 			)
 
@@ -167,7 +175,7 @@ func run() int {
 
 		// Parse flags once more to include those discovered in configuration file(s).
 		if _, err = app.Parse(os.Args[1:]); err != nil {
-			logger.Error("Failed to parse CLI args from YAML file",
+			logger.ErrorContext(ctx, "failed to parse CLI args from YAML file",
 				slog.Any("err", err),
 			)
 
@@ -185,7 +193,7 @@ func run() int {
 		}
 	}
 
-	logger.Debug("Logging has Started")
+	logger.LogAttrs(ctx, slog.LevelDebug, "logging has Started")
 
 	if err = setPriorityWindows(logger, os.Getpid(), *processPriority); err != nil {
 		logger.Error("failed to set process priority",
@@ -207,15 +215,17 @@ func run() int {
 	// Initialize collectors before loading
 	if err = collectors.Build(logger); err != nil {
 		for _, err := range utils.SplitError(err) {
-			logger.Warn("couldn't initialize collector",
+			logger.Error("couldn't initialize collector",
 				slog.Any("err", err),
 			)
+
+			return 1
 		}
 	}
 
 	logCurrentUser(logger)
 
-	logger.Info("Enabled collectors: " + strings.Join(enabledCollectorList, ", "))
+	logger.InfoContext(ctx, "Enabled collectors: "+strings.Join(enabledCollectorList, ", "))
 
 	mux := http.NewServeMux()
 	mux.Handle("GET /health", httphandler.NewHealthHandler())
@@ -233,7 +243,7 @@ func run() int {
 		mux.HandleFunc("GET /debug/pprof/trace", pprof.Trace)
 	}
 
-	logger.Info(fmt.Sprintf("starting windows_exporter in %s", time.Since(startTime)),
+	logger.LogAttrs(ctx, slog.LevelInfo, fmt.Sprintf("starting windows_exporter in %s", time.Since(startTime)),
 		slog.String("version", version.Version),
 		slog.String("branch", version.Branch),
 		slog.String("revision", version.GetRevision()),
@@ -260,7 +270,7 @@ func run() int {
 		close(errCh)
 	}()
 
-	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, os.Kill)
+	ctx, stop := signal.NotifyContext(ctx, os.Interrupt, os.Kill)
 	defer stop()
 
 	select {
@@ -270,7 +280,7 @@ func run() int {
 		logger.Info("Shutting down windows_exporter via service control")
 	case err := <-errCh:
 		if err != nil {
-			logger.Error("Failed to start windows_exporter",
+			logger.ErrorContext(ctx, "Failed to start windows_exporter",
 				slog.Any("err", err),
 			)
 
@@ -283,7 +293,7 @@ func run() int {
 
 	_ = server.Shutdown(ctx)
 
-	logger.Info("windows_exporter has shut down")
+	logger.InfoContext(ctx, "windows_exporter has shut down")
 
 	return 0
 }
@@ -324,7 +334,7 @@ func setPriorityWindows(logger *slog.Logger, pid int, priority string) error {
 		return nil
 	}
 
-	logger.Debug("setting process priority to " + priority)
+	logger.LogAttrs(context.Background(), slog.LevelDebug, "setting process priority to "+priority)
 
 	// https://learn.microsoft.com/en-us/windows/win32/procthread/process-security-and-access-rights
 	handle, err := windows.OpenProcess(

config.yaml

@@ -1,9 +1,16 @@
 # example configuration file for windows_exporter
 
 collectors:
-  enabled: cpu,cpu_info,exchange,iis,logical_disk,logon,memory,net,os,process,remote_fx,service,system,tcp,time,terminal_services,textfile
+  enabled: cpu,cpu_info,exchange,iis,logical_disk,logon,memory,net,os,performancecounter,process,remote_fx,service,system,tcp,time,terminal_services,textfile
 collector:
   service:
     include: "windows_exporter"
+  performancecounter:
+    objects: |-
+      - name: memory
+        object: "Memory"
+        counters:
+          - name: "Cache Faults/sec"
+            type: "counter" # optional
 log:
   level: warn

docs/collector.mssql.md

@@ -18,15 +18,10 @@ Comma-separated list of MSSQL WMI classes to use. Supported values are `accessme
 
 If true, print available mssql WMI classes and exit.  Only displays if the mssql collector is enabled.fman`, `databases`, `dbreplica`, `genstats`, `locks`, `memmgr`, `sqlstats`, `sqlerrors`, `transactions`, and `waitstats`.
 
-### `--collector.mssql.port`
-
-Port of MSSQL server used for `windows_mssql_info` metric. Default is `1433`.
-
 ## Metrics
 
 | Name                                                               | Description                                                                                                                                                                                                                                                                                  | Type    | Labels                        |
 |--------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------|-------------------------------|
-| `windows_mssql_info`                                               | Returns information about the MSSQL server running on port 1433                                                                                                                                                                                                                              | gauge   | `version`                     |
 | `windows_mssql_collector_duration_seconds`                         | The time taken for each sub-collector to return                                                                                                                                                                                                                                              | gauge   | `collector`, `mssql_instance` |
 | `windows_mssql_collector_success`                                  | 1 if sub-collector succeeded, 0 otherwise                                                                                                                                                                                                                                                    | gauge   | `collector`, `mssql_instance` |
 | `windows_mssql_accessmethods_au_batch_cleanups`                    | The total number of batches that were completed successfully by the background task that cleans up deferred dropped allocation units                                                                                                                                                         | counter | `mssql_instance`              |
@@ -197,6 +192,7 @@ Port of MSSQL server used for `windows_mssql_info` metric. Default is `1433`.
 | `windows_mssql_genstats_trace_event_notification_queue_size`       | Number of trace event notification instances waiting in the internal queue to be sent through Service Broker                                                                                                                                                                                 | gauge   | `mssql_instance`              |
 | `windows_mssql_genstats_transactions`                              | Number of transaction enlistments (local, DTC, bound all combined)                                                                                                                                                                                                                           | gauge   | `mssql_instance`              |
 | `windows_mssql_genstats_user_connections`                          | Counts the number of users currently connected to SQL Server                                                                                                                                                                                                                                 | gauge   | `mssql_instance`              |
+| `windows_mssql_instance_info `                                               | Returns information about the MSSQL server running on port 1433                                                                                                                                                                                                                              | gauge   | `version`                     |
 | `windows_mssql_locks_average_wait_seconds`                         | Average amount of wait time (in milliseconds) for each lock request that resulted in a wait                                                                                                                                                                                                  | gauge   | `mssql_instance`, `resource`  |
 | `windows_mssql_locks_lock_requests`                                | Number of new locks and lock conversions per second requested from the lock manager                                                                                                                                                                                                          | counter | `mssql_instance`, `resource`  |
 | `windows_mssql_locks_lock_timeouts`                                | Number of lock requests per second that timed out, including requests for NOWAIT locks                                                                                                                                                                                                       | counter | `mssql_instance`, `resource`  |

docs/collector.performancecounter.md

@@ -13,9 +13,28 @@ The performancecounter collector exposes any configured metric.
 
 ### `--collector.performancecounter.objects`
 
-Objects is a list of objects to collect metrics from. The value takes the form of a JSON array of strings. YAML is also supported.
+Objects is a list of objects to collect metrics from. The value takes the form of a JSON array of strings.
+YAML is supported.
 
-The collector supports only english named counter. Localized counter-names are not supported.
+The collector supports only English-named counter. Localized counter-names aren’t supported.
+
+> [!CAUTION]
+> If you are using a configuration file, the value must be kept as a string.
+>
+> Use a `|-` to keep the value as a string.
+
+#### Example
+
+```yaml
+collector:
+  performancecounter:
+    objects: |-
+      - name: memory
+        object: "Memory"
+        counters:
+          - name: "Cache Faults/sec"
+            type: "counter" # optional
+```
 
 #### Schema
 
@@ -25,7 +44,8 @@ YAML:
 <summary>Click to expand YAML schema</summary>
 
 ```yaml
-- object: "Processor Information"
+- name: cpu # free text name
+  object: "Processor Information" # Performance counter object name
   instances: ["*"]
   instance_label: "core"
   counters:
@@ -37,7 +57,8 @@ YAML:
       metric: windows_performancecounter_processor_information_processor_time # optional
       labels:
         state: idle
-- object: "Memory"
+- name: memory
+  object: "Memory"
   counters:
     - name: "Cache Faults/sec"
       type: "counter" # optional
@@ -51,6 +72,7 @@ YAML:
 ```json
 [
   {
+    "name": "cpu",
     "object": "Processor Information",
     "instances": [
       "*"
@@ -74,6 +96,7 @@ YAML:
     ]
   },
   {
+    "name": "memory",
     "object": "Memory",
     "counters": [
       {
@@ -84,9 +107,15 @@ YAML:
   }
 ]
 ```
+</details>
 
 #### name
 
+The name is used to identify the object in the logs and metrics.
+Must unique across all objects.
+
+#### object
+
 ObjectName is the Object to query for, like Processor, DirectoryServices, LogicalDisk or similar.
 
 The collector supports only english named counter. Localized counter-names are not supported.
@@ -185,6 +214,17 @@ windows_performancecounter_processor_information_processor_time{core="0,8",state
 windows_performancecounter_processor_information_processor_time{core="0,9",state="active"} 1.0059484375e+11
 windows_performancecounter_processor_information_processor_time{core="0,9",state="idle"} 10059.484375
 ```
+> [!NOTE]
+> If you are using a configuration file, the value must be keep as string.
+
+Example:
+
+```yaml
+collector:
+  performancecounter:
+    objects: |
+```
+
 
 ## Metrics
 

go.mod

@@ -3,7 +3,6 @@ module github.com/prometheus-community/windows_exporter
 go 1.23
 
 require (
-	github.com/Microsoft/go-winio v0.6.2
 	github.com/Microsoft/hcsshim v0.12.9
 	github.com/alecthomas/kingpin/v2 v2.4.0
 	github.com/bmatcuk/doublestar/v4 v4.7.1
@@ -12,25 +11,26 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/prometheus/client_golang v1.20.5
 	github.com/prometheus/client_model v0.6.1
-	github.com/prometheus/common v0.60.1
-	github.com/prometheus/exporter-toolkit v0.13.1
+	github.com/prometheus/common v0.61.0
+	github.com/prometheus/exporter-toolkit v0.13.2
 	github.com/stretchr/testify v1.10.0
-	golang.org/x/sys v0.27.0
+	golang.org/x/sys v0.28.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
+	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/alecthomas/units v0.0.0-20240927000941-0f3dac36c52b // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/containerd/cgroups/v3 v3.0.3 // indirect
-	github.com/containerd/errdefs v0.3.0 // indirect
+	github.com/containerd/cgroups/v3 v3.0.4 // indirect
+	github.com/containerd/errdefs v1.0.0 // indirect
 	github.com/containerd/errdefs/pkg v0.3.0 // indirect
-	github.com/containerd/typeurl/v2 v2.2.0 // indirect
+	github.com/containerd/typeurl/v2 v2.2.3 // indirect
 	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
 	github.com/jpillora/backoff v1.0.0 // indirect
 	github.com/klauspost/compress v1.17.11 // indirect
 	github.com/mdlayher/socket v0.5.1 // indirect
@@ -43,13 +43,13 @@ require (
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/xhit/go-str2duration/v2 v2.1.0 // indirect
 	go.opencensus.io v0.24.0 // indirect
-	golang.org/x/crypto v0.28.0 // indirect
-	golang.org/x/net v0.30.0 // indirect
-	golang.org/x/oauth2 v0.23.0 // indirect
-	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/text v0.19.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20241015192408-796eee8c2d53 // indirect
-	google.golang.org/grpc v1.67.1 // indirect
-	google.golang.org/protobuf v1.35.1 // indirect
+	golang.org/x/crypto v0.31.0 // indirect
+	golang.org/x/net v0.32.0 // indirect
+	golang.org/x/oauth2 v0.24.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241118233622-e639e219e697 // indirect
+	google.golang.org/grpc v1.68.0 // indirect
+	google.golang.org/protobuf v1.35.2 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )

go.sum

@@ -17,14 +17,14 @@ github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UF
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/containerd/cgroups/v3 v3.0.3 h1:S5ByHZ/h9PMe5IOQoN7E+nMc2UcLEM/V48DGDJ9kip0=
-github.com/containerd/cgroups/v3 v3.0.3/go.mod h1:8HBe7V3aWGLFPd/k03swSIsGjZhHI2WzJmticMgVuz0=
-github.com/containerd/errdefs v0.3.0 h1:FSZgGOeK4yuT/+DnF07/Olde/q4KBoMsaamhXxIMDp4=
-github.com/containerd/errdefs v0.3.0/go.mod h1:+YBYIdtsnF4Iw6nWZhJcqGSg/dwvV7tyJ/kCkyJ2k+M=
+github.com/containerd/cgroups/v3 v3.0.4 h1:2fs7l3P0Qxb1nKWuJNFiwhp2CqiKzho71DQkDrHJIo4=
+github.com/containerd/cgroups/v3 v3.0.4/go.mod h1:SA5DLYnXO8pTGYiAHXz94qvLQTKfVM5GEVisn4jpins=
+github.com/containerd/errdefs v1.0.0 h1:tg5yIfIlQIrxYtu9ajqY42W3lpS19XqdxRQeEwYG8PI=
+github.com/containerd/errdefs v1.0.0/go.mod h1:+YBYIdtsnF4Iw6nWZhJcqGSg/dwvV7tyJ/kCkyJ2k+M=
 github.com/containerd/errdefs/pkg v0.3.0 h1:9IKJ06FvyNlexW690DXuQNx2KA2cUJXx151Xdx3ZPPE=
 github.com/containerd/errdefs/pkg v0.3.0/go.mod h1:NJw6s9HwNuRhnjJhM7pylWwMyAkmCQvQ4GpJHEqRLVk=
-github.com/containerd/typeurl/v2 v2.2.0 h1:6NBDbQzr7I5LHgp34xAXYF5DOTQDn05X58lsPEmzLso=
-github.com/containerd/typeurl/v2 v2.2.0/go.mod h1:8XOOxnyatxSWuG8OfsZXVnAF4iZfedjS/8UHSPJnX4g=
+github.com/containerd/typeurl/v2 v2.2.3 h1:yNA/94zxWdvYACdYO8zofhrTVuQY73fFU1y++dYSw40=
+github.com/containerd/typeurl/v2 v2.2.3/go.mod h1:95ljDnPfD3bAbDJRugOiShd/DlAAsxGtUBhJxIn7SCk=
 github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -43,8 +43,8 @@ github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
-github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
-github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 h1:f+oWsMOmNPc8JmEHVZIycC7hBoQxHH9pNKQORJNozsQ=
+github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8/go.mod h1:wcDNUvekVysuuOpQKo3191zZyTpiI6se1N1ULghS0sw=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -55,6 +55,8 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@@ -95,10 +97,10 @@ github.com/prometheus/client_golang v1.20.5/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/j
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
 github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
-github.com/prometheus/common v0.60.1 h1:FUas6GcOw66yB/73KC+BOZoFJmbo/1pojoILArPAaSc=
-github.com/prometheus/common v0.60.1/go.mod h1:h0LYf1R1deLSKtD4Vdg8gy4RuOvENW2J/h19V5NADQw=
-github.com/prometheus/exporter-toolkit v0.13.1 h1:Evsh0gWQo2bdOHlnz9+0Nm7/OFfIwhE2Ws4A2jIlR04=
-github.com/prometheus/exporter-toolkit v0.13.1/go.mod h1:ujdv2YIOxtdFxxqtloLpbqmxd5J0Le6IITUvIRSWjj0=
+github.com/prometheus/common v0.61.0 h1:3gv/GThfX0cV2lpO7gkTUwZru38mxevy90Bj8YFSRQQ=
+github.com/prometheus/common v0.61.0/go.mod h1:zr29OCN/2BsJRaFwG8QOBr41D6kkchKbpeNH7pAjb/s=
+github.com/prometheus/exporter-toolkit v0.13.2 h1:Z02fYtbqTMy2i/f+xZ+UK5jy/bl1Ex3ndzh06T/Q9DQ=
+github.com/prometheus/exporter-toolkit v0.13.2/go.mod h1:tCqnfx21q6qN1KA4U3Bfb8uWzXfijIrJz3/kTIqMV7g=
 github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
 github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
@@ -126,8 +128,8 @@ go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
-golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
+golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
+golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@@ -143,30 +145,30 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
-golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
+golang.org/x/net v0.32.0 h1:ZqPmj8Kzc+Y6e0+skZsuACbx+wzMgo5MQsJh9Qd6aYI=
+golang.org/x/net v0.32.0/go.mod h1:CwU0IoeOlnQQWJ6ioyFrfRuomB8GKF6KbYXZVyeXNfs=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/oauth2 v0.23.0 h1:PbgcYx2W7i4LvjJWEbf0ngHV6qJYr86PkAV3bXdLEbs=
-golang.org/x/oauth2 v0.23.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
+golang.org/x/oauth2 v0.24.0 h1:KTBBxWqUa0ykRPLtV69rRto9TLXcqYkeswu48x/gvNE=
+golang.org/x/oauth2 v0.24.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
-golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
+golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
-golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
+golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
-golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
+golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
+golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
@@ -184,15 +186,15 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20241015192408-796eee8c2d53 h1:X58yt85/IXCx0Y3ZwN6sEIKZzQtDEYaBWrDvErdXrRE=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20241015192408-796eee8c2d53/go.mod h1:GX3210XPVPUjJbTUbvwI8f2IpZDMZuPJWDzDuebbviI=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241118233622-e639e219e697 h1:LWZqQOEjDyONlF1H6afSWpAL/znlREo2tHfLoe+8LMA=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241118233622-e639e219e697/go.mod h1:5uTbfoYQed2U9p3KIj2/Zzm02PYhndfdmML0qC3q3FU=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
-google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
+google.golang.org/grpc v1.68.0 h1:aHQeeJbo8zAkAa3pRzrVjZlbz6uSfeOXlJNQM0RAbz0=
+google.golang.org/grpc v1.68.0/go.mod h1:fmSPC5AsjSBCK54MyHRx48kpOti1/jRfOlwEWywNjWA=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -202,8 +204,8 @@ google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA=
-google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=
+google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

internal/collector/ad/ad.go

@@ -21,7 +21,7 @@ import (
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -36,7 +36,8 @@ var ConfigDefaults = Config{}
 type Collector struct {
 	config Config
 
-	perfDataCollector *perfdata.Collector
+	perfDataCollector *pdh.Collector
+	perfDataObject    []perfDataCounterValues
 
 	addressBookClientSessions                           *prometheus.Desc
 	addressBookOperationsTotal                          *prometheus.Desc
@@ -129,156 +130,9 @@ func (c *Collector) Close() error {
 }
 
 func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
-	counters := []string{
-		abANRPerSec,
-		abBrowsesPerSec,
-		abClientSessions,
-		abMatchesPerSec,
-		abPropertyReadsPerSec,
-		abProxyLookupsPerSec,
-		abSearchesPerSec,
-		approximateHighestDNT,
-		atqEstimatedQueueDelay,
-		atqOutstandingQueuedRequests,
-		atqRequestLatency,
-		atqThreadsLDAP,
-		atqThreadsOther,
-		atqThreadsTotal,
-		baseSearchesPerSec,
-		databaseAddsPerSec,
-		databaseDeletesPerSec,
-		databaseModifiesPerSec,
-		databaseRecyclesPerSec,
-		digestBindsPerSec,
-		draHighestUSNCommittedHighPart,
-		draHighestUSNCommittedLowPart,
-		draHighestUSNIssuedHighPart,
-		draHighestUSNIssuedLowPart,
-		draInboundBytesCompressedBetweenSitesAfterCompressionSinceBoot,
-		draInboundBytesCompressedBetweenSitesAfterCompressionPerSec,
-		draInboundBytesCompressedBetweenSitesBeforeCompressionSinceBoot,
-		draInboundBytesCompressedBetweenSitesBeforeCompressionPerSec,
-		draInboundBytesNotCompressedWithinSiteSinceBoot,
-		draInboundBytesNotCompressedWithinSitePerSec,
-		draInboundBytesTotalSinceBoot,
-		draInboundBytesTotalPerSec,
-		draInboundFullSyncObjectsRemaining,
-		draInboundLinkValueUpdatesRemainingInPacket,
-		draInboundObjectUpdatesRemainingInPacket,
-		draInboundObjectsAppliedPerSec,
-		draInboundObjectsFilteredPerSec,
-		draInboundObjectsPerSec,
-		draInboundPropertiesAppliedPerSec,
-		draInboundPropertiesFilteredPerSec,
-		draInboundPropertiesTotalPerSec,
-		draInboundTotalUpdatesRemainingInPacket,
-		draInboundValuesDNsOnlyPerSec,
-		draInboundValuesTotalPerSec,
-		draOutboundBytesCompressedBetweenSitesAfterCompressionSinceBoot,
-		draOutboundBytesCompressedBetweenSitesAfterCompressionPerSec,
-		draOutboundBytesCompressedBetweenSitesBeforeCompressionSinceBoot,
-		draOutboundBytesCompressedBetweenSitesBeforeCompressionPerSec,
-		draOutboundBytesNotCompressedWithinSiteSinceBoot,
-		draOutboundBytesNotCompressedWithinSitePerSec,
-		draOutboundBytesTotalSinceBoot,
-		draOutboundBytesTotalPerSec,
-		draOutboundObjectsFilteredPerSec,
-		draOutboundObjectsPerSec,
-		draOutboundPropertiesPerSec,
-		draOutboundValuesDNsOnlyPerSec,
-		draOutboundValuesTotalPerSec,
-		draPendingReplicationOperations,
-		draPendingReplicationSynchronizations,
-		draSyncFailuresOnSchemaMismatch,
-		draSyncRequestsMade,
-		draSyncRequestsSuccessful,
-		draThreadsGettingNCChanges,
-		draThreadsGettingNCChangesHoldingSemaphore,
-		dsPercentReadsFromDRA,
-		dsPercentReadsFromKCC,
-		dsPercentReadsFromLSA,
-		dsPercentReadsFromNSPI,
-		dsPercentReadsFromNTDSAPI,
-		dsPercentReadsFromSAM,
-		dsPercentReadsOther,
-		dsPercentSearchesFromDRA,
-		dsPercentSearchesFromKCC,
-		dsPercentSearchesFromLDAP,
-		dsPercentSearchesFromLSA,
-		dsPercentSearchesFromNSPI,
-		dsPercentSearchesFromNTDSAPI,
-		dsPercentSearchesFromSAM,
-		dsPercentSearchesOther,
-		dsPercentWritesFromDRA,
-		dsPercentWritesFromKCC,
-		dsPercentWritesFromLDAP,
-		dsPercentWritesFromLSA,
-		dsPercentWritesFromNSPI,
-		dsPercentWritesFromNTDSAPI,
-		dsPercentWritesFromSAM,
-		dsPercentWritesOther,
-		dsClientBindsPerSec,
-		dsClientNameTranslationsPerSec,
-		dsDirectoryReadsPerSec,
-		dsDirectorySearchesPerSec,
-		dsDirectoryWritesPerSec,
-		dsMonitorListSize,
-		dsNameCacheHitRate,
-		dsNotifyQueueSize,
-		dsSearchSubOperationsPerSec,
-		dsSecurityDescriptorPropagationsEvents,
-		dsSecurityDescriptorPropagatorAverageExclusionTime,
-		dsSecurityDescriptorPropagatorRuntimeQueue,
-		dsSecurityDescriptorSubOperationsPerSec,
-		dsServerBindsPerSec,
-		dsServerNameTranslationsPerSec,
-		dsThreadsInUse,
-		externalBindsPerSec,
-		fastBindsPerSec,
-		ldapActiveThreads,
-		ldapBindTime,
-		ldapClientSessions,
-		ldapClosedConnectionsPerSec,
-		ldapNewConnectionsPerSec,
-		ldapNewSSLConnectionsPerSec,
-		ldapSearchesPerSec,
-		ldapSuccessfulBindsPerSec,
-		ldapUDPOperationsPerSec,
-		ldapWritesPerSec,
-		linkValuesCleanedPerSec,
-		negotiatedBindsPerSec,
-		ntlmBindsPerSec,
-		oneLevelSearchesPerSec,
-		phantomsCleanedPerSec,
-		phantomsVisitedPerSec,
-		samAccountGroupEvaluationLatency,
-		samDisplayInformationQueriesPerSec,
-		samDomainLocalGroupMembershipEvaluationsPerSec,
-		samEnumerationsPerSec,
-		samGCEvaluationsPerSec,
-		samGlobalGroupMembershipEvaluationsPerSec,
-		samMachineCreationAttemptsPerSec,
-		samMembershipChangesPerSec,
-		samNonTransitiveMembershipEvaluationsPerSec,
-		samPasswordChangesPerSec,
-		samResourceGroupEvaluationLatency,
-		samSuccessfulComputerCreationsPerSecIncludesAllRequests,
-		samSuccessfulUserCreationsPerSec,
-		samTransitiveMembershipEvaluationsPerSec,
-		samUniversalGroupMembershipEvaluationsPerSec,
-		samUserCreationAttemptsPerSec,
-		simpleBindsPerSec,
-		subtreeSearchesPerSec,
-		tombstonesGarbageCollectedPerSec,
-		tombstonesVisitedPerSec,
-		transitiveOperationsMillisecondsRun,
-		transitiveOperationsPerSec,
-		transitiveSubOperationsPerSec,
-	}
-
 	var err error
 
-	c.perfDataCollector, err = perfdata.NewCollector("DirectoryServices", perfdata.InstancesAll, counters)
+	c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues]("DirectoryServices", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create DirectoryServices collector: %w", err)
 	}
@@ -663,210 +517,204 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 // Collect sends the metric values for each metric
 // to the provided prometheus Metric channel.
 func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollector.Collect()
+	err := c.perfDataCollector.Collect(&c.perfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect DirectoryServices (AD) metrics: %w", err)
 	}
 
-	data, ok := perfData["NTDS"]
-
-	if !ok {
-		return fmt.Errorf("failed to collect DirectoryServices (AD) metrics: %w", types.ErrNoData)
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.addressBookOperationsTotal,
 		prometheus.CounterValue,
-		data[abANRPerSec].FirstValue,
+		c.perfDataObject[0].AbANRPerSec,
 		"ambiguous_name_resolution",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.addressBookOperationsTotal,
 		prometheus.CounterValue,
-		data[abBrowsesPerSec].FirstValue,
+		c.perfDataObject[0].AbBrowsesPerSec,
 		"browse",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.addressBookOperationsTotal,
 		prometheus.CounterValue,
-		data[abMatchesPerSec].FirstValue,
+		c.perfDataObject[0].AbMatchesPerSec,
 		"find",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.addressBookOperationsTotal,
 		prometheus.CounterValue,
-		data[abPropertyReadsPerSec].FirstValue,
+		c.perfDataObject[0].AbPropertyReadsPerSec,
 		"property_read",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.addressBookOperationsTotal,
 		prometheus.CounterValue,
-		data[abSearchesPerSec].FirstValue,
+		c.perfDataObject[0].AbSearchesPerSec,
 		"search",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.addressBookOperationsTotal,
 		prometheus.CounterValue,
-		data[abProxyLookupsPerSec].FirstValue,
+		c.perfDataObject[0].AbProxyLookupsPerSec,
 		"proxy_search",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.addressBookClientSessions,
 		prometheus.GaugeValue,
-		data[abClientSessions].FirstValue,
+		c.perfDataObject[0].AbClientSessions,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.approximateHighestDistinguishedNameTag,
 		prometheus.GaugeValue,
-		data[approximateHighestDNT].FirstValue,
+		c.perfDataObject[0].ApproximateHighestDNT,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.atqEstimatedDelaySeconds,
 		prometheus.GaugeValue,
-		data[atqEstimatedQueueDelay].FirstValue/1000,
+		c.perfDataObject[0].AtqEstimatedQueueDelay/1000,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.atqOutstandingRequests,
 		prometheus.GaugeValue,
-		data[atqOutstandingQueuedRequests].FirstValue,
+		c.perfDataObject[0].AtqOutstandingQueuedRequests,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.atqAverageRequestLatency,
 		prometheus.GaugeValue,
-		data[atqRequestLatency].FirstValue,
+		c.perfDataObject[0].AtqRequestLatency,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.atqCurrentThreads,
 		prometheus.GaugeValue,
-		data[atqThreadsLDAP].FirstValue,
+		c.perfDataObject[0].AtqThreadsLDAP,
 		"ldap",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.atqCurrentThreads,
 		prometheus.GaugeValue,
-		data[atqThreadsOther].FirstValue,
+		c.perfDataObject[0].AtqThreadsOther,
 		"other",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.searchesTotal,
 		prometheus.CounterValue,
-		data[baseSearchesPerSec].FirstValue,
+		c.perfDataObject[0].BaseSearchesPerSec,
 		"base",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.searchesTotal,
 		prometheus.CounterValue,
-		data[subtreeSearchesPerSec].FirstValue,
+		c.perfDataObject[0].SubtreeSearchesPerSec,
 		"subtree",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.searchesTotal,
 		prometheus.CounterValue,
-		data[oneLevelSearchesPerSec].FirstValue,
+		c.perfDataObject[0].OneLevelSearchesPerSec,
 		"one_level",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.databaseOperationsTotal,
 		prometheus.CounterValue,
-		data[databaseAddsPerSec].FirstValue,
+		c.perfDataObject[0].DatabaseAddsPerSec,
 		"add",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.databaseOperationsTotal,
 		prometheus.CounterValue,
-		data[databaseDeletesPerSec].FirstValue,
+		c.perfDataObject[0].DatabaseDeletesPerSec,
 		"delete",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.databaseOperationsTotal,
 		prometheus.CounterValue,
-		data[databaseModifiesPerSec].FirstValue,
+		c.perfDataObject[0].DatabaseModifiesPerSec,
 		"modify",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.databaseOperationsTotal,
 		prometheus.CounterValue,
-		data[databaseRecyclesPerSec].FirstValue,
+		c.perfDataObject[0].DatabaseRecyclesPerSec,
 		"recycle",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.bindsTotal,
 		prometheus.CounterValue,
-		data[digestBindsPerSec].FirstValue,
+		c.perfDataObject[0].DigestBindsPerSec,
 		"digest",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.bindsTotal,
 		prometheus.CounterValue,
-		data[dsClientBindsPerSec].FirstValue,
+		c.perfDataObject[0].DsClientBindsPerSec,
 		"ds_client",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.bindsTotal,
 		prometheus.CounterValue,
-		data[dsServerBindsPerSec].FirstValue,
+		c.perfDataObject[0].DsServerBindsPerSec,
 		"ds_server",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.bindsTotal,
 		prometheus.CounterValue,
-		data[externalBindsPerSec].FirstValue,
+		c.perfDataObject[0].ExternalBindsPerSec,
 		"external",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.bindsTotal,
 		prometheus.CounterValue,
-		data[fastBindsPerSec].FirstValue,
+		c.perfDataObject[0].FastBindsPerSec,
 		"fast",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.bindsTotal,
 		prometheus.CounterValue,
-		data[negotiatedBindsPerSec].FirstValue,
+		c.perfDataObject[0].NegotiatedBindsPerSec,
 		"negotiate",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.bindsTotal,
 		prometheus.CounterValue,
-		data[ntlmBindsPerSec].FirstValue,
+		c.perfDataObject[0].NTLMBindsPerSec,
 		"ntlm",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.bindsTotal,
 		prometheus.CounterValue,
-		data[simpleBindsPerSec].FirstValue,
+		c.perfDataObject[0].SimpleBindsPerSec,
 		"simple",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.bindsTotal,
 		prometheus.CounterValue,
-		data[ldapSuccessfulBindsPerSec].FirstValue,
+		c.perfDataObject[0].LdapSuccessfulBindsPerSec,
 		"ldap",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationHighestUsn,
 		prometheus.CounterValue,
-		float64(uint64(data[draHighestUSNCommittedHighPart].FirstValue)<<32)+data[draHighestUSNCommittedLowPart].FirstValue,
+		float64(uint64(c.perfDataObject[0].DRAHighestUSNCommittedHighPart)<<32)+c.perfDataObject[0].DRAHighestUSNCommittedLowPart,
 		"committed",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationHighestUsn,
 		prometheus.CounterValue,
-		float64(uint64(data[draHighestUSNIssuedHighPart].FirstValue)<<32)+data[draHighestUSNIssuedLowPart].FirstValue,
+		float64(uint64(c.perfDataObject[0].DRAHighestUSNIssuedHighPart)<<32)+c.perfDataObject[0].DRAHighestUSNIssuedLowPart,
 		"issued",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.interSiteReplicationDataBytesTotal,
 		prometheus.CounterValue,
-		data[draInboundBytesCompressedBetweenSitesAfterCompressionPerSec].FirstValue,
+		c.perfDataObject[0].DRAInboundBytesCompressedBetweenSitesAfterCompressionPerSec,
 		"inbound",
 	)
 	// The pre-compression perfData size seems to have little value? Skipping for now
@@ -879,7 +727,7 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 	ch <- prometheus.MustNewConstMetric(
 		c.interSiteReplicationDataBytesTotal,
 		prometheus.CounterValue,
-		data[draOutboundBytesCompressedBetweenSitesAfterCompressionPerSec].FirstValue,
+		c.perfDataObject[0].DRAOutboundBytesCompressedBetweenSitesAfterCompressionPerSec,
 		"outbound",
 	)
 	// ch <- prometheus.MustNewConstMetric(
@@ -891,270 +739,270 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 	ch <- prometheus.MustNewConstMetric(
 		c.intraSiteReplicationDataBytesTotal,
 		prometheus.CounterValue,
-		data[draInboundBytesNotCompressedWithinSitePerSec].FirstValue,
+		c.perfDataObject[0].DRAInboundBytesNotCompressedWithinSitePerSec,
 		"inbound",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.intraSiteReplicationDataBytesTotal,
 		prometheus.CounterValue,
-		data[draOutboundBytesNotCompressedWithinSitePerSec].FirstValue,
+		c.perfDataObject[0].DRAOutboundBytesNotCompressedWithinSitePerSec,
 		"outbound",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationInboundSyncObjectsRemaining,
 		prometheus.GaugeValue,
-		data[draInboundFullSyncObjectsRemaining].FirstValue,
+		c.perfDataObject[0].DRAInboundFullSyncObjectsRemaining,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationInboundLinkValueUpdatesRemaining,
 		prometheus.GaugeValue,
-		data[draInboundLinkValueUpdatesRemainingInPacket].FirstValue,
+		c.perfDataObject[0].DRAInboundLinkValueUpdatesRemainingInPacket,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationInboundObjectsUpdatedTotal,
 		prometheus.CounterValue,
-		data[draInboundObjectsAppliedPerSec].FirstValue,
+		c.perfDataObject[0].DRAInboundObjectsAppliedPerSec,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationInboundObjectsFilteredTotal,
 		prometheus.CounterValue,
-		data[draInboundObjectsFilteredPerSec].FirstValue,
+		c.perfDataObject[0].DRAInboundObjectsFilteredPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationInboundPropertiesUpdatedTotal,
 		prometheus.CounterValue,
-		data[draInboundPropertiesAppliedPerSec].FirstValue,
+		c.perfDataObject[0].DRAInboundPropertiesAppliedPerSec,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationInboundPropertiesFilteredTotal,
 		prometheus.CounterValue,
-		data[draInboundPropertiesFilteredPerSec].FirstValue,
+		c.perfDataObject[0].DRAInboundPropertiesFilteredPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationPendingOperations,
 		prometheus.GaugeValue,
-		data[draPendingReplicationOperations].FirstValue,
+		c.perfDataObject[0].DRAPendingReplicationOperations,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationPendingSynchronizations,
 		prometheus.GaugeValue,
-		data[draPendingReplicationSynchronizations].FirstValue,
+		c.perfDataObject[0].DRAPendingReplicationSynchronizations,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationSyncRequestsTotal,
 		prometheus.CounterValue,
-		data[draSyncRequestsMade].FirstValue,
+		c.perfDataObject[0].DRASyncRequestsMade,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationSyncRequestsSuccessTotal,
 		prometheus.CounterValue,
-		data[draSyncRequestsSuccessful].FirstValue,
+		c.perfDataObject[0].DRASyncRequestsSuccessful,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.replicationSyncRequestsSchemaMismatchFailureTotal,
 		prometheus.CounterValue,
-		data[draSyncFailuresOnSchemaMismatch].FirstValue,
+		c.perfDataObject[0].DRASyncFailuresOnSchemaMismatch,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.nameTranslationsTotal,
 		prometheus.CounterValue,
-		data[dsClientNameTranslationsPerSec].FirstValue,
+		c.perfDataObject[0].DsClientNameTranslationsPerSec,
 		"client",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.nameTranslationsTotal,
 		prometheus.CounterValue,
-		data[dsServerNameTranslationsPerSec].FirstValue,
+		c.perfDataObject[0].DsServerNameTranslationsPerSec,
 		"server",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.changeMonitorsRegistered,
 		prometheus.GaugeValue,
-		data[dsMonitorListSize].FirstValue,
+		c.perfDataObject[0].DsMonitorListSize,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.changeMonitorUpdatesPending,
 		prometheus.GaugeValue,
-		data[dsNotifyQueueSize].FirstValue,
+		c.perfDataObject[0].DsNotifyQueueSize,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.nameCacheHitsTotal,
 		prometheus.CounterValue,
-		data[dsNameCacheHitRate].FirstValue,
+		c.perfDataObject[0].DsNameCacheHitRate,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.nameCacheLookupsTotal,
 		prometheus.CounterValue,
-		data[dsNameCacheHitRate].SecondValue,
+		c.perfDataObject[0].DsNameCacheHitRateSecondValue,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentReadsFromDRA].FirstValue,
+		c.perfDataObject[0].DsPercentReadsFromDRA,
 		"read",
 		"replication_agent",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentReadsFromKCC].FirstValue,
+		c.perfDataObject[0].DsPercentReadsFromKCC,
 		"read",
 		"knowledge_consistency_checker",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentReadsFromLSA].FirstValue,
+		c.perfDataObject[0].DsPercentReadsFromLSA,
 		"read",
 		"local_security_authority",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentReadsFromNSPI].FirstValue,
+		c.perfDataObject[0].DsPercentReadsFromNSPI,
 		"read",
 		"name_service_provider_interface",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentReadsFromNTDSAPI].FirstValue,
+		c.perfDataObject[0].DsPercentReadsFromNTDSAPI,
 		"read",
 		"directory_service_api",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentReadsFromSAM].FirstValue,
+		c.perfDataObject[0].DsPercentReadsFromSAM,
 		"read",
 		"security_account_manager",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentReadsOther].FirstValue,
+		c.perfDataObject[0].DsPercentReadsOther,
 		"read",
 		"other",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentSearchesFromDRA].FirstValue,
+		c.perfDataObject[0].DsPercentSearchesFromDRA,
 		"search",
 		"replication_agent",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentSearchesFromKCC].FirstValue,
+		c.perfDataObject[0].DsPercentSearchesFromKCC,
 		"search",
 		"knowledge_consistency_checker",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentSearchesFromLDAP].FirstValue,
+		c.perfDataObject[0].DsPercentSearchesFromLDAP,
 		"search",
 		"ldap",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentSearchesFromLSA].FirstValue,
+		c.perfDataObject[0].DsPercentSearchesFromLSA,
 		"search",
 		"local_security_authority",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentSearchesFromNSPI].FirstValue,
+		c.perfDataObject[0].DsPercentSearchesFromNSPI,
 		"search",
 		"name_service_provider_interface",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentSearchesFromNTDSAPI].FirstValue,
+		c.perfDataObject[0].DsPercentSearchesFromNTDSAPI,
 		"search",
 		"directory_service_api",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentSearchesFromSAM].FirstValue,
+		c.perfDataObject[0].DsPercentSearchesFromSAM,
 		"search",
 		"security_account_manager",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentSearchesOther].FirstValue,
+		c.perfDataObject[0].DsPercentSearchesOther,
 		"search",
 		"other",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentWritesFromDRA].FirstValue,
+		c.perfDataObject[0].DsPercentWritesFromDRA,
 		"write",
 		"replication_agent",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentWritesFromKCC].FirstValue,
+		c.perfDataObject[0].DsPercentWritesFromKCC,
 		"write",
 		"knowledge_consistency_checker",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentWritesFromLDAP].FirstValue,
+		c.perfDataObject[0].DsPercentWritesFromLDAP,
 		"write",
 		"ldap",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentSearchesFromLSA].FirstValue,
+		c.perfDataObject[0].DsPercentSearchesFromLSA,
 		"write",
 		"local_security_authority",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentWritesFromNSPI].FirstValue,
+		c.perfDataObject[0].DsPercentWritesFromNSPI,
 		"write",
 		"name_service_provider_interface",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentWritesFromNTDSAPI].FirstValue,
+		c.perfDataObject[0].DsPercentWritesFromNTDSAPI,
 		"write",
 		"directory_service_api",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentWritesFromSAM].FirstValue,
+		c.perfDataObject[0].DsPercentWritesFromSAM,
 		"write",
 		"security_account_manager",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryOperationsTotal,
 		prometheus.CounterValue,
-		data[dsPercentWritesOther].FirstValue,
+		c.perfDataObject[0].DsPercentWritesOther,
 		"write",
 		"other",
 	)
@@ -1162,207 +1010,207 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 	ch <- prometheus.MustNewConstMetric(
 		c.directorySearchSubOperationsTotal,
 		prometheus.CounterValue,
-		data[dsSearchSubOperationsPerSec].FirstValue,
+		c.perfDataObject[0].DsSearchSubOperationsPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.securityDescriptorPropagationEventsTotal,
 		prometheus.CounterValue,
-		data[dsSecurityDescriptorSubOperationsPerSec].FirstValue,
+		c.perfDataObject[0].DsSecurityDescriptorSubOperationsPerSec,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.securityDescriptorPropagationEventsQueued,
 		prometheus.GaugeValue,
-		data[dsSecurityDescriptorPropagationsEvents].FirstValue,
+		c.perfDataObject[0].DsSecurityDescriptorPropagationsEvents,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.securityDescriptorPropagationAccessWaitTotalSeconds,
 		prometheus.GaugeValue,
-		data[dsSecurityDescriptorPropagatorAverageExclusionTime].FirstValue,
+		c.perfDataObject[0].DsSecurityDescriptorPropagatorAverageExclusionTime,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.securityDescriptorPropagationItemsQueuedTotal,
 		prometheus.CounterValue,
-		data[dsSecurityDescriptorPropagatorRuntimeQueue].FirstValue,
+		c.perfDataObject[0].DsSecurityDescriptorPropagatorRuntimeQueue,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.directoryServiceThreads,
 		prometheus.GaugeValue,
-		data[dsThreadsInUse].FirstValue,
+		c.perfDataObject[0].DsThreadsInUse,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.ldapClosedConnectionsTotal,
 		prometheus.CounterValue,
-		data[ldapClosedConnectionsPerSec].FirstValue,
+		c.perfDataObject[0].LdapClosedConnectionsPerSec,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.ldapOpenedConnectionsTotal,
 		prometheus.CounterValue,
-		data[ldapNewConnectionsPerSec].FirstValue,
+		c.perfDataObject[0].LdapNewConnectionsPerSec,
 		"ldap",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.ldapOpenedConnectionsTotal,
 		prometheus.CounterValue,
-		data[ldapNewSSLConnectionsPerSec].FirstValue,
+		c.perfDataObject[0].LdapNewSSLConnectionsPerSec,
 		"ldaps",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.ldapActiveThreads,
 		prometheus.GaugeValue,
-		data[ldapActiveThreads].FirstValue,
+		c.perfDataObject[0].LdapActiveThreads,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.ldapLastBindTimeSeconds,
 		prometheus.GaugeValue,
-		data[ldapBindTime].FirstValue/1000,
+		c.perfDataObject[0].LdapBindTime/1000,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.ldapSearchesTotal,
 		prometheus.CounterValue,
-		data[ldapSearchesPerSec].FirstValue,
+		c.perfDataObject[0].LdapSearchesPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.ldapUdpOperationsTotal,
 		prometheus.CounterValue,
-		data[ldapUDPOperationsPerSec].FirstValue,
+		c.perfDataObject[0].LdapUDPOperationsPerSec,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.ldapWritesTotal,
 		prometheus.CounterValue,
-		data[ldapWritesPerSec].FirstValue,
+		c.perfDataObject[0].LdapWritesPerSec,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.ldapClientSessions,
 		prometheus.GaugeValue,
-		data[ldapClientSessions].FirstValue,
+		c.perfDataObject[0].LdapClientSessions,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.linkValuesCleanedTotal,
 		prometheus.CounterValue,
-		data[linkValuesCleanedPerSec].FirstValue,
+		c.perfDataObject[0].LinkValuesCleanedPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.phantomObjectsCleanedTotal,
 		prometheus.CounterValue,
-		data[phantomsCleanedPerSec].FirstValue,
+		c.perfDataObject[0].PhantomsCleanedPerSec,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.phantomObjectsVisitedTotal,
 		prometheus.CounterValue,
-		data[phantomsVisitedPerSec].FirstValue,
+		c.perfDataObject[0].PhantomsVisitedPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.samGroupMembershipEvaluationsTotal,
 		prometheus.CounterValue,
-		data[samGlobalGroupMembershipEvaluationsPerSec].FirstValue,
+		c.perfDataObject[0].SamGlobalGroupMembershipEvaluationsPerSec,
 		"global",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.samGroupMembershipEvaluationsTotal,
 		prometheus.CounterValue,
-		data[samDomainLocalGroupMembershipEvaluationsPerSec].FirstValue,
+		c.perfDataObject[0].SamDomainLocalGroupMembershipEvaluationsPerSec,
 		"domain_local",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.samGroupMembershipEvaluationsTotal,
 		prometheus.CounterValue,
-		data[samUniversalGroupMembershipEvaluationsPerSec].FirstValue,
+		c.perfDataObject[0].SamUniversalGroupMembershipEvaluationsPerSec,
 		"universal",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.samGroupMembershipGlobalCatalogEvaluationsTotal,
 		prometheus.CounterValue,
-		data[samGCEvaluationsPerSec].FirstValue,
+		c.perfDataObject[0].SamGCEvaluationsPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.samGroupMembershipEvaluationsNonTransitiveTotal,
 		prometheus.CounterValue,
-		data[samNonTransitiveMembershipEvaluationsPerSec].FirstValue,
+		c.perfDataObject[0].SamNonTransitiveMembershipEvaluationsPerSec,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.samGroupMembershipEvaluationsTransitiveTotal,
 		prometheus.CounterValue,
-		data[samTransitiveMembershipEvaluationsPerSec].FirstValue,
+		c.perfDataObject[0].SamTransitiveMembershipEvaluationsPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.samGroupEvaluationLatency,
 		prometheus.GaugeValue,
-		data[samAccountGroupEvaluationLatency].FirstValue,
+		c.perfDataObject[0].SamAccountGroupEvaluationLatency,
 		"account_group",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.samGroupEvaluationLatency,
 		prometheus.GaugeValue,
-		data[samResourceGroupEvaluationLatency].FirstValue,
+		c.perfDataObject[0].SamResourceGroupEvaluationLatency,
 		"resource_group",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.samComputerCreationRequestsTotal,
 		prometheus.CounterValue,
-		data[samSuccessfulComputerCreationsPerSecIncludesAllRequests].FirstValue,
+		c.perfDataObject[0].SamSuccessfulComputerCreationsPerSecIncludesAllRequests,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.samComputerCreationSuccessfulRequestsTotal,
 		prometheus.CounterValue,
-		data[samMachineCreationAttemptsPerSec].FirstValue,
+		c.perfDataObject[0].SamMachineCreationAttemptsPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.samUserCreationRequestsTotal,
 		prometheus.CounterValue,
-		data[samUserCreationAttemptsPerSec].FirstValue,
+		c.perfDataObject[0].SamUserCreationAttemptsPerSec,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.samUserCreationSuccessfulRequestsTotal,
 		prometheus.CounterValue,
-		data[samSuccessfulUserCreationsPerSec].FirstValue,
+		c.perfDataObject[0].SamSuccessfulUserCreationsPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.samQueryDisplayRequestsTotal,
 		prometheus.CounterValue,
-		data[samDisplayInformationQueriesPerSec].FirstValue,
+		c.perfDataObject[0].SamDisplayInformationQueriesPerSec,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.samEnumerationsTotal,
 		prometheus.CounterValue,
-		data[samEnumerationsPerSec].FirstValue,
+		c.perfDataObject[0].SamEnumerationsPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.samMembershipChangesTotal,
 		prometheus.CounterValue,
-		data[samMembershipChangesPerSec].FirstValue,
+		c.perfDataObject[0].SamMembershipChangesPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.samPasswordChangesTotal,
 		prometheus.CounterValue,
-		data[samPasswordChangesPerSec].FirstValue,
+		c.perfDataObject[0].SamPasswordChangesPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.tombstonesObjectsCollectedTotal,
 		prometheus.CounterValue,
-		data[tombstonesGarbageCollectedPerSec].FirstValue,
+		c.perfDataObject[0].TombstonesGarbageCollectedPerSec,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.tombstonesObjectsVisitedTotal,
 		prometheus.CounterValue,
-		data[tombstonesVisitedPerSec].FirstValue,
+		c.perfDataObject[0].TombstonesVisitedPerSec,
 	)
 
 	return nil

internal/collector/ad/ad_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, ad.Name, ad.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, ad.New, nil)
+}

internal/collector/ad/const.go

@@ -1,222 +0,0 @@
-// Copyright 2024 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build windows
-
-package ad
-
-const (
-	abANRPerSec                                                      = "AB ANR/sec"
-	abBrowsesPerSec                                                  = "AB Browses/sec"
-	abClientSessions                                                 = "AB Client Sessions"
-	abMatchesPerSec                                                  = "AB Matches/sec"
-	abPropertyReadsPerSec                                            = "AB Property Reads/sec"
-	abProxyLookupsPerSec                                             = "AB Proxy Lookups/sec"
-	abSearchesPerSec                                                 = "AB Searches/sec"
-	approximateHighestDNT                                            = "Approximate highest DNT"
-	atqEstimatedQueueDelay                                           = "ATQ Estimated Queue Delay"
-	atqOutstandingQueuedRequests                                     = "ATQ Outstanding Queued Requests"
-	_                                                                = "ATQ Queue Latency"
-	atqRequestLatency                                                = "ATQ Request Latency"
-	atqThreadsLDAP                                                   = "ATQ Threads LDAP"
-	atqThreadsOther                                                  = "ATQ Threads Other"
-	atqThreadsTotal                                                  = "ATQ Threads Total"
-	baseSearchesPerSec                                               = "Base searches/sec"
-	databaseAddsPerSec                                               = "Database adds/sec"
-	databaseDeletesPerSec                                            = "Database deletes/sec"
-	databaseModifiesPerSec                                           = "Database modifys/sec"
-	databaseRecyclesPerSec                                           = "Database recycles/sec"
-	digestBindsPerSec                                                = "Digest Binds/sec"
-	_                                                                = "DirSync session throttling rate"
-	_                                                                = "DirSync sessions in progress"
-	draHighestUSNCommittedHighPart                                   = "DRA Highest USN Committed (High part)"
-	draHighestUSNCommittedLowPart                                    = "DRA Highest USN Committed (Low part)"
-	draHighestUSNIssuedHighPart                                      = "DRA Highest USN Issued (High part)"
-	draHighestUSNIssuedLowPart                                       = "DRA Highest USN Issued (Low part)"
-	draInboundBytesCompressedBetweenSitesAfterCompressionSinceBoot   = "DRA Inbound Bytes Compressed (Between Sites, After Compression) Since Boot"
-	draInboundBytesCompressedBetweenSitesAfterCompressionPerSec      = "DRA Inbound Bytes Compressed (Between Sites, After Compression)/sec"
-	draInboundBytesCompressedBetweenSitesBeforeCompressionSinceBoot  = "DRA Inbound Bytes Compressed (Between Sites, Before Compression) Since Boot"
-	draInboundBytesCompressedBetweenSitesBeforeCompressionPerSec     = "DRA Inbound Bytes Compressed (Between Sites, Before Compression)/sec"
-	draInboundBytesNotCompressedWithinSiteSinceBoot                  = "DRA Inbound Bytes Not Compressed (Within Site) Since Boot"
-	draInboundBytesNotCompressedWithinSitePerSec                     = "DRA Inbound Bytes Not Compressed (Within Site)/sec"
-	draInboundBytesTotalSinceBoot                                    = "DRA Inbound Bytes Total Since Boot"
-	draInboundBytesTotalPerSec                                       = "DRA Inbound Bytes Total/sec"
-	draInboundFullSyncObjectsRemaining                               = "DRA Inbound Full Sync Objects Remaining"
-	draInboundLinkValueUpdatesRemainingInPacket                      = "DRA Inbound Link Value Updates Remaining in Packet"
-	_                                                                = "DRA Inbound Link Values/sec"
-	draInboundObjectUpdatesRemainingInPacket                         = "DRA Inbound Object Updates Remaining in Packet"
-	draInboundObjectsAppliedPerSec                                   = "DRA Inbound Objects Applied/sec"
-	draInboundObjectsFilteredPerSec                                  = "DRA Inbound Objects Filtered/sec"
-	draInboundObjectsPerSec                                          = "DRA Inbound Objects/sec"
-	draInboundPropertiesAppliedPerSec                                = "DRA Inbound Properties Applied/sec"
-	draInboundPropertiesFilteredPerSec                               = "DRA Inbound Properties Filtered/sec"
-	draInboundPropertiesTotalPerSec                                  = "DRA Inbound Properties Total/sec"
-	_                                                                = "DRA Inbound Sync Link Deletion/sec"
-	draInboundTotalUpdatesRemainingInPacket                          = "DRA Inbound Total Updates Remaining in Packet"
-	draInboundValuesDNsOnlyPerSec                                    = "DRA Inbound Values (DNs only)/sec"
-	draInboundValuesTotalPerSec                                      = "DRA Inbound Values Total/sec"
-	_                                                                = "DRA number of NC replication calls since boot"
-	_                                                                = "DRA number of successful NC replication calls since boot"
-	draOutboundBytesCompressedBetweenSitesAfterCompressionSinceBoot  = "DRA Outbound Bytes Compressed (Between Sites, After Compression) Since Boot"
-	draOutboundBytesCompressedBetweenSitesAfterCompressionPerSec     = "DRA Outbound Bytes Compressed (Between Sites, After Compression)/sec"
-	draOutboundBytesCompressedBetweenSitesBeforeCompressionSinceBoot = "DRA Outbound Bytes Compressed (Between Sites, Before Compression) Since Boot"
-	draOutboundBytesCompressedBetweenSitesBeforeCompressionPerSec    = "DRA Outbound Bytes Compressed (Between Sites, Before Compression)/sec"
-	draOutboundBytesNotCompressedWithinSiteSinceBoot                 = "DRA Outbound Bytes Not Compressed (Within Site) Since Boot"
-	draOutboundBytesNotCompressedWithinSitePerSec                    = "DRA Outbound Bytes Not Compressed (Within Site)/sec"
-	draOutboundBytesTotalSinceBoot                                   = "DRA Outbound Bytes Total Since Boot"
-	draOutboundBytesTotalPerSec                                      = "DRA Outbound Bytes Total/sec"
-	draOutboundObjectsFilteredPerSec                                 = "DRA Outbound Objects Filtered/sec"
-	draOutboundObjectsPerSec                                         = "DRA Outbound Objects/sec"
-	draOutboundPropertiesPerSec                                      = "DRA Outbound Properties/sec"
-	draOutboundValuesDNsOnlyPerSec                                   = "DRA Outbound Values (DNs only)/sec"
-	draOutboundValuesTotalPerSec                                     = "DRA Outbound Values Total/sec"
-	draPendingReplicationOperations                                  = "DRA Pending Replication Operations"
-	draPendingReplicationSynchronizations                            = "DRA Pending Replication Synchronizations"
-	draSyncFailuresOnSchemaMismatch                                  = "DRA Sync Failures on Schema Mismatch"
-	draSyncRequestsMade                                              = "DRA Sync Requests Made"
-	draSyncRequestsSuccessful                                        = "DRA Sync Requests Successful"
-	draThreadsGettingNCChanges                                       = "DRA Threads Getting NC Changes"
-	draThreadsGettingNCChangesHoldingSemaphore                       = "DRA Threads Getting NC Changes Holding Semaphore"
-	_                                                                = "DRA total number of Busy failures since boot"
-	_                                                                = "DRA total number of MissingParent failures since boot"
-	_                                                                = "DRA total number of NotEnoughAttrs/MissingObject failures since boot"
-	_                                                                = "DRA total number of Preempted failures since boot"
-	_                                                                = "DRA total time of applying replication package since boot"
-	_                                                                = "DRA total time of NC replication calls since boot"
-	_                                                                = "DRA total time of successful NC replication calls since boot"
-	_                                                                = "DRA total time of successfully applying replication package since boot"
-	_                                                                = "DRA total time on waiting async replication packages since boot"
-	_                                                                = "DRA total time on waiting sync replication packages since boot"
-	dsPercentReadsFromDRA                                            = "DS % Reads from DRA"
-	dsPercentReadsFromKCC                                            = "DS % Reads from KCC"
-	dsPercentReadsFromLSA                                            = "DS % Reads from LSA"
-	dsPercentReadsFromNSPI                                           = "DS % Reads from NSPI"
-	dsPercentReadsFromNTDSAPI                                        = "DS % Reads from NTDSAPI"
-	dsPercentReadsFromSAM                                            = "DS % Reads from SAM"
-	dsPercentReadsOther                                              = "DS % Reads Other"
-	dsPercentSearchesFromDRA                                         = "DS % Searches from DRA"
-	dsPercentSearchesFromKCC                                         = "DS % Searches from KCC"
-	dsPercentSearchesFromLDAP                                        = "DS % Searches from LDAP"
-	dsPercentSearchesFromLSA                                         = "DS % Searches from LSA"
-	dsPercentSearchesFromNSPI                                        = "DS % Searches from NSPI"
-	dsPercentSearchesFromNTDSAPI                                     = "DS % Searches from NTDSAPI"
-	dsPercentSearchesFromSAM                                         = "DS % Searches from SAM"
-	dsPercentSearchesOther                                           = "DS % Searches Other"
-	dsPercentWritesFromDRA                                           = "DS % Writes from DRA"
-	dsPercentWritesFromKCC                                           = "DS % Writes from KCC"
-	dsPercentWritesFromLDAP                                          = "DS % Writes from LDAP"
-	dsPercentWritesFromLSA                                           = "DS % Writes from LSA"
-	dsPercentWritesFromNSPI                                          = "DS % Writes from NSPI"
-	dsPercentWritesFromNTDSAPI                                       = "DS % Writes from NTDSAPI"
-	dsPercentWritesFromSAM                                           = "DS % Writes from SAM"
-	dsPercentWritesOther                                             = "DS % Writes Other"
-	dsClientBindsPerSec                                              = "DS Client Binds/sec"
-	dsClientNameTranslationsPerSec                                   = "DS Client Name Translations/sec"
-	dsDirectoryReadsPerSec                                           = "DS Directory Reads/sec"
-	dsDirectorySearchesPerSec                                        = "DS Directory Searches/sec"
-	dsDirectoryWritesPerSec                                          = "DS Directory Writes/sec"
-	dsMonitorListSize                                                = "DS Monitor List Size"
-	dsNameCacheHitRate                                               = "DS Name Cache hit rate"
-	dsNotifyQueueSize                                                = "DS Notify Queue Size"
-	dsSearchSubOperationsPerSec                                      = "DS Search sub-operations/sec"
-	dsSecurityDescriptorPropagationsEvents                           = "DS Security Descriptor Propagations Events"
-	dsSecurityDescriptorPropagatorAverageExclusionTime               = "DS Security Descriptor Propagator Average Exclusion Time"
-	dsSecurityDescriptorPropagatorRuntimeQueue                       = "DS Security Descriptor Propagator Runtime Queue"
-	dsSecurityDescriptorSubOperationsPerSec                          = "DS Security Descriptor sub-operations/sec"
-	dsServerBindsPerSec                                              = "DS Server Binds/sec"
-	dsServerNameTranslationsPerSec                                   = "DS Server Name Translations/sec"
-	dsThreadsInUse                                                   = "DS Threads in Use"
-	_                                                                = "Error eventlogs since boot"
-	_                                                                = "Error events since boot"
-	externalBindsPerSec                                              = "External Binds/sec"
-	fastBindsPerSec                                                  = "Fast Binds/sec"
-	_                                                                = "Fatal events since boot"
-	_                                                                = "Info eventlogs since boot"
-	ldapActiveThreads                                                = "LDAP Active Threads"
-	_                                                                = "LDAP Add Operations"
-	_                                                                = "LDAP Add Operations/sec"
-	_                                                                = "LDAP batch slots available"
-	ldapBindTime                                                     = "LDAP Bind Time"
-	_                                                                = "LDAP busy retries"
-	_                                                                = "LDAP busy retries/sec"
-	ldapClientSessions                                               = "LDAP Client Sessions"
-	ldapClosedConnectionsPerSec                                      = "LDAP Closed Connections/sec"
-	_                                                                = "LDAP Delete Operations"
-	_                                                                = "LDAP Delete Operations/sec"
-	_                                                                = "LDAP Modify DN Operations"
-	_                                                                = "LDAP Modify DN Operations/sec"
-	_                                                                = "LDAP Modify Operations"
-	_                                                                = "LDAP Modify Operations/sec"
-	ldapNewConnectionsPerSec                                         = "LDAP New Connections/sec"
-	ldapNewSSLConnectionsPerSec                                      = "LDAP New SSL Connections/sec"
-	_                                                                = "LDAP Outbound Bytes"
-	_                                                                = "LDAP Outbound Bytes/sec"
-	_                                                                = "LDAP Page Search Cache entries count"
-	_                                                                = "LDAP Page Search Cache size"
-	ldapSearchesPerSec                                               = "LDAP Searches/sec"
-	ldapSuccessfulBindsPerSec                                        = "LDAP Successful Binds/sec"
-	_                                                                = "LDAP Threads Sleeping on BUSY"
-	ldapUDPOperationsPerSec                                          = "LDAP UDP operations/sec"
-	ldapWritesPerSec                                                 = "LDAP Writes/sec"
-	linkValuesCleanedPerSec                                          = "Link Values Cleaned/sec"
-	_                                                                = "Links added"
-	_                                                                = "Links added/sec"
-	_                                                                = "Links visited"
-	_                                                                = "Links visited/sec"
-	_                                                                = "Logical link deletes"
-	_                                                                = "Logical link deletes/sec"
-	negotiatedBindsPerSec                                            = "Negotiated Binds/sec"
-	ntlmBindsPerSec                                                  = "NTLM Binds/sec"
-	_                                                                = "Objects returned"
-	_                                                                = "Objects returned/sec"
-	_                                                                = "Objects visited"
-	_                                                                = "Objects visited/sec"
-	oneLevelSearchesPerSec                                           = "Onelevel searches/sec"
-	_                                                                = "PDC failed password update notifications"
-	_                                                                = "PDC password update notifications/sec"
-	_                                                                = "PDC successful password update notifications"
-	phantomsCleanedPerSec                                            = "Phantoms Cleaned/sec"
-	phantomsVisitedPerSec                                            = "Phantoms Visited/sec"
-	_                                                                = "Physical link deletes"
-	_                                                                = "Physical link deletes/sec"
-	_                                                                = "Replicate Single Object operations"
-	_                                                                = "Replicate Single Object operations/sec"
-	_                                                                = "RID Pool invalidations since boot"
-	_                                                                = "RID Pool request failures since boot"
-	_                                                                = "RID Pool request successes since boot"
-	samAccountGroupEvaluationLatency                                 = "SAM Account Group Evaluation Latency"
-	samDisplayInformationQueriesPerSec                               = "SAM Display Information Queries/sec"
-	samDomainLocalGroupMembershipEvaluationsPerSec                   = "SAM Domain Local Group Membership Evaluations/sec"
-	samEnumerationsPerSec                                            = "SAM Enumerations/sec"
-	samGCEvaluationsPerSec                                           = "SAM GC Evaluations/sec"
-	samGlobalGroupMembershipEvaluationsPerSec                        = "SAM Global Group Membership Evaluations/sec"
-	samMachineCreationAttemptsPerSec                                 = "SAM Machine Creation Attempts/sec"
-	samMembershipChangesPerSec                                       = "SAM Membership Changes/sec"
-	samNonTransitiveMembershipEvaluationsPerSec                      = "SAM Non-Transitive Membership Evaluations/sec"
-	samPasswordChangesPerSec                                         = "SAM Password Changes/sec"
-	samResourceGroupEvaluationLatency                                = "SAM Resource Group Evaluation Latency"
-	samSuccessfulComputerCreationsPerSecIncludesAllRequests          = "SAM Successful Computer Creations/sec: Includes all requests"
-	samSuccessfulUserCreationsPerSec                                 = "SAM Successful User Creations/sec"
-	samTransitiveMembershipEvaluationsPerSec                         = "SAM Transitive Membership Evaluations/sec"
-	samUniversalGroupMembershipEvaluationsPerSec                     = "SAM Universal Group Membership Evaluations/sec"
-	samUserCreationAttemptsPerSec                                    = "SAM User Creation Attempts/sec"
-	simpleBindsPerSec                                                = "Simple Binds/sec"
-	subtreeSearchesPerSec                                            = "Subtree searches/sec"
-	tombstonesGarbageCollectedPerSec                                 = "Tombstones Garbage Collected/sec"
-	tombstonesVisitedPerSec                                          = "Tombstones Visited/sec"
-	transitiveOperationsMillisecondsRun                              = "Transitive operations milliseconds run"
-	transitiveOperationsPerSec                                       = "Transitive operations/sec"
-	transitiveSubOperationsPerSec                                    = "Transitive suboperations/sec"
-	_                                                                = "Warning eventlogs since boot"
-	_                                                                = "Warning events since boot"
-)

internal/collector/ad/types.go

@@ -0,0 +1,223 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build windows
+
+package ad
+
+type perfDataCounterValues struct {
+	AbANRPerSec                                                      float64 `perfdata:"AB ANR/sec"`
+	AbBrowsesPerSec                                                  float64 `perfdata:"AB Browses/sec"`
+	AbClientSessions                                                 float64 `perfdata:"AB Client Sessions"`
+	AbMatchesPerSec                                                  float64 `perfdata:"AB Matches/sec"`
+	AbPropertyReadsPerSec                                            float64 `perfdata:"AB Property Reads/sec"`
+	AbProxyLookupsPerSec                                             float64 `perfdata:"AB Proxy Lookups/sec"`
+	AbSearchesPerSec                                                 float64 `perfdata:"AB Searches/sec"`
+	ApproximateHighestDNT                                            float64 `perfdata:"Approximate highest DNT"`
+	AtqEstimatedQueueDelay                                           float64 `perfdata:"ATQ Estimated Queue Delay"`
+	AtqOutstandingQueuedRequests                                     float64 `perfdata:"ATQ Outstanding Queued Requests"`
+	_                                                                float64 `perfdata:"ATQ Queue Latency"`
+	AtqRequestLatency                                                float64 `perfdata:"ATQ Request Latency"`
+	AtqThreadsLDAP                                                   float64 `perfdata:"ATQ Threads LDAP"`
+	AtqThreadsOther                                                  float64 `perfdata:"ATQ Threads Other"`
+	AtqThreadsTotal                                                  float64 `perfdata:"ATQ Threads Total"`
+	BaseSearchesPerSec                                               float64 `perfdata:"Base searches/sec"`
+	DatabaseAddsPerSec                                               float64 `perfdata:"Database adds/sec"`
+	DatabaseDeletesPerSec                                            float64 `perfdata:"Database deletes/sec"`
+	DatabaseModifiesPerSec                                           float64 `perfdata:"Database modifys/sec"`
+	DatabaseRecyclesPerSec                                           float64 `perfdata:"Database recycles/sec"`
+	DigestBindsPerSec                                                float64 `perfdata:"Digest Binds/sec"`
+	_                                                                float64 `perfdata:"DirSync session throttling rate"`
+	_                                                                float64 `perfdata:"DirSync sessions in progress"`
+	DRAHighestUSNCommittedHighPart                                   float64 `perfdata:"DRA Highest USN Committed (High part)"`
+	DRAHighestUSNCommittedLowPart                                    float64 `perfdata:"DRA Highest USN Committed (Low part)"`
+	DRAHighestUSNIssuedHighPart                                      float64 `perfdata:"DRA Highest USN Issued (High part)"`
+	DRAHighestUSNIssuedLowPart                                       float64 `perfdata:"DRA Highest USN Issued (Low part)"`
+	DRAInboundBytesCompressedBetweenSitesAfterCompressionSinceBoot   float64 `perfdata:"DRA Inbound Bytes Compressed (Between Sites, After Compression) Since Boot"`
+	DRAInboundBytesCompressedBetweenSitesAfterCompressionPerSec      float64 `perfdata:"DRA Inbound Bytes Compressed (Between Sites, After Compression)/sec"`
+	DRAInboundBytesCompressedBetweenSitesBeforeCompressionSinceBoot  float64 `perfdata:"DRA Inbound Bytes Compressed (Between Sites, Before Compression) Since Boot"`
+	DRAInboundBytesCompressedBetweenSitesBeforeCompressionPerSec     float64 `perfdata:"DRA Inbound Bytes Compressed (Between Sites, Before Compression)/sec"`
+	DRAInboundBytesNotCompressedWithinSiteSinceBoot                  float64 `perfdata:"DRA Inbound Bytes Not Compressed (Within Site) Since Boot"`
+	DRAInboundBytesNotCompressedWithinSitePerSec                     float64 `perfdata:"DRA Inbound Bytes Not Compressed (Within Site)/sec"`
+	DRAInboundBytesTotalSinceBoot                                    float64 `perfdata:"DRA Inbound Bytes Total Since Boot"`
+	DRAInboundBytesTotalPerSec                                       float64 `perfdata:"DRA Inbound Bytes Total/sec"`
+	DRAInboundFullSyncObjectsRemaining                               float64 `perfdata:"DRA Inbound Full Sync Objects Remaining"`
+	DRAInboundLinkValueUpdatesRemainingInPacket                      float64 `perfdata:"DRA Inbound Link Value Updates Remaining in Packet"`
+	_                                                                float64 `perfdata:"DRA Inbound Link Values/sec"`
+	DRAInboundObjectUpdatesRemainingInPacket                         float64 `perfdata:"DRA Inbound Object Updates Remaining in Packet"`
+	DRAInboundObjectsAppliedPerSec                                   float64 `perfdata:"DRA Inbound Objects Applied/sec"`
+	DRAInboundObjectsFilteredPerSec                                  float64 `perfdata:"DRA Inbound Objects Filtered/sec"`
+	DRAInboundObjectsPerSec                                          float64 `perfdata:"DRA Inbound Objects/sec"`
+	DRAInboundPropertiesAppliedPerSec                                float64 `perfdata:"DRA Inbound Properties Applied/sec"`
+	DRAInboundPropertiesFilteredPerSec                               float64 `perfdata:"DRA Inbound Properties Filtered/sec"`
+	DRAInboundPropertiesTotalPerSec                                  float64 `perfdata:"DRA Inbound Properties Total/sec"`
+	_                                                                float64 `perfdata:"DRA Inbound Sync Link Deletion/sec"`
+	DRAInboundTotalUpdatesRemainingInPacket                          float64 `perfdata:"DRA Inbound Total Updates Remaining in Packet"`
+	DRAInboundValuesDNsOnlyPerSec                                    float64 `perfdata:"DRA Inbound Values (DNs only)/sec"`
+	DRAInboundValuesTotalPerSec                                      float64 `perfdata:"DRA Inbound Values Total/sec"`
+	_                                                                float64 `perfdata:"DRA number of NC replication calls since boot"`
+	_                                                                float64 `perfdata:"DRA number of successful NC replication calls since boot"`
+	DRAOutboundBytesCompressedBetweenSitesAfterCompressionSinceBoot  float64 `perfdata:"DRA Outbound Bytes Compressed (Between Sites, After Compression) Since Boot"`
+	DRAOutboundBytesCompressedBetweenSitesAfterCompressionPerSec     float64 `perfdata:"DRA Outbound Bytes Compressed (Between Sites, After Compression)/sec"`
+	DRAOutboundBytesCompressedBetweenSitesBeforeCompressionSinceBoot float64 `perfdata:"DRA Outbound Bytes Compressed (Between Sites, Before Compression) Since Boot"`
+	DRAOutboundBytesCompressedBetweenSitesBeforeCompressionPerSec    float64 `perfdata:"DRA Outbound Bytes Compressed (Between Sites, Before Compression)/sec"`
+	DRAOutboundBytesNotCompressedWithinSiteSinceBoot                 float64 `perfdata:"DRA Outbound Bytes Not Compressed (Within Site) Since Boot"`
+	DRAOutboundBytesNotCompressedWithinSitePerSec                    float64 `perfdata:"DRA Outbound Bytes Not Compressed (Within Site)/sec"`
+	DRAOutboundBytesTotalSinceBoot                                   float64 `perfdata:"DRA Outbound Bytes Total Since Boot"`
+	DRAOutboundBytesTotalPerSec                                      float64 `perfdata:"DRA Outbound Bytes Total/sec"`
+	DRAOutboundObjectsFilteredPerSec                                 float64 `perfdata:"DRA Outbound Objects Filtered/sec"`
+	DRAOutboundObjectsPerSec                                         float64 `perfdata:"DRA Outbound Objects/sec"`
+	DRAOutboundPropertiesPerSec                                      float64 `perfdata:"DRA Outbound Properties/sec"`
+	DRAOutboundValuesDNsOnlyPerSec                                   float64 `perfdata:"DRA Outbound Values (DNs only)/sec"`
+	DRAOutboundValuesTotalPerSec                                     float64 `perfdata:"DRA Outbound Values Total/sec"`
+	DRAPendingReplicationOperations                                  float64 `perfdata:"DRA Pending Replication Operations"`
+	DRAPendingReplicationSynchronizations                            float64 `perfdata:"DRA Pending Replication Synchronizations"`
+	DRASyncFailuresOnSchemaMismatch                                  float64 `perfdata:"DRA Sync Failures on Schema Mismatch"`
+	DRASyncRequestsMade                                              float64 `perfdata:"DRA Sync Requests Made"`
+	DRASyncRequestsSuccessful                                        float64 `perfdata:"DRA Sync Requests Successful"`
+	DRAThreadsGettingNCChanges                                       float64 `perfdata:"DRA Threads Getting NC Changes"`
+	DRAThreadsGettingNCChangesHoldingSemaphore                       float64 `perfdata:"DRA Threads Getting NC Changes Holding Semaphore"`
+	_                                                                float64 `perfdata:"DRA total number of Busy failures since boot"`
+	_                                                                float64 `perfdata:"DRA total number of MissingParent failures since boot"`
+	_                                                                float64 `perfdata:"DRA total number of NotEnoughAttrs/MissingObject failures since boot"`
+	_                                                                float64 `perfdata:"DRA total number of Preempted failures since boot"`
+	_                                                                float64 `perfdata:"DRA total time of applying replication package since boot"`
+	_                                                                float64 `perfdata:"DRA total time of NC replication calls since boot"`
+	_                                                                float64 `perfdata:"DRA total time of successful NC replication calls since boot"`
+	_                                                                float64 `perfdata:"DRA total time of successfully applying replication package since boot"`
+	_                                                                float64 `perfdata:"DRA total time on waiting async replication packages since boot"`
+	_                                                                float64 `perfdata:"DRA total time on waiting sync replication packages since boot"`
+	DsPercentReadsFromDRA                                            float64 `perfdata:"DS % Reads from DRA"`
+	DsPercentReadsFromKCC                                            float64 `perfdata:"DS % Reads from KCC"`
+	DsPercentReadsFromLSA                                            float64 `perfdata:"DS % Reads from LSA"`
+	DsPercentReadsFromNSPI                                           float64 `perfdata:"DS % Reads from NSPI"`
+	DsPercentReadsFromNTDSAPI                                        float64 `perfdata:"DS % Reads from NTDSAPI"`
+	DsPercentReadsFromSAM                                            float64 `perfdata:"DS % Reads from SAM"`
+	DsPercentReadsOther                                              float64 `perfdata:"DS % Reads Other"`
+	DsPercentSearchesFromDRA                                         float64 `perfdata:"DS % Searches from DRA"`
+	DsPercentSearchesFromKCC                                         float64 `perfdata:"DS % Searches from KCC"`
+	DsPercentSearchesFromLDAP                                        float64 `perfdata:"DS % Searches from LDAP"`
+	DsPercentSearchesFromLSA                                         float64 `perfdata:"DS % Searches from LSA"`
+	DsPercentSearchesFromNSPI                                        float64 `perfdata:"DS % Searches from NSPI"`
+	DsPercentSearchesFromNTDSAPI                                     float64 `perfdata:"DS % Searches from NTDSAPI"`
+	DsPercentSearchesFromSAM                                         float64 `perfdata:"DS % Searches from SAM"`
+	DsPercentSearchesOther                                           float64 `perfdata:"DS % Searches Other"`
+	DsPercentWritesFromDRA                                           float64 `perfdata:"DS % Writes from DRA"`
+	DsPercentWritesFromKCC                                           float64 `perfdata:"DS % Writes from KCC"`
+	DsPercentWritesFromLDAP                                          float64 `perfdata:"DS % Writes from LDAP"`
+	DsPercentWritesFromLSA                                           float64 `perfdata:"DS % Writes from LSA"`
+	DsPercentWritesFromNSPI                                          float64 `perfdata:"DS % Writes from NSPI"`
+	DsPercentWritesFromNTDSAPI                                       float64 `perfdata:"DS % Writes from NTDSAPI"`
+	DsPercentWritesFromSAM                                           float64 `perfdata:"DS % Writes from SAM"`
+	DsPercentWritesOther                                             float64 `perfdata:"DS % Writes Other"`
+	DsClientBindsPerSec                                              float64 `perfdata:"DS Client Binds/sec"`
+	DsClientNameTranslationsPerSec                                   float64 `perfdata:"DS Client Name Translations/sec"`
+	DsDirectoryReadsPerSec                                           float64 `perfdata:"DS Directory Reads/sec"`
+	DsDirectorySearchesPerSec                                        float64 `perfdata:"DS Directory Searches/sec"`
+	DsDirectoryWritesPerSec                                          float64 `perfdata:"DS Directory Writes/sec"`
+	DsMonitorListSize                                                float64 `perfdata:"DS Monitor List Size"`
+	DsNameCacheHitRate                                               float64 `perfdata:"DS Name Cache hit rate"`
+	DsNameCacheHitRateSecondValue                                    float64 `perfdata:"DS Name Cache hit rate,secondvalue"`
+	DsNotifyQueueSize                                                float64 `perfdata:"DS Notify Queue Size"`
+	DsSearchSubOperationsPerSec                                      float64 `perfdata:"DS Search sub-operations/sec"`
+	DsSecurityDescriptorPropagationsEvents                           float64 `perfdata:"DS Security Descriptor Propagations Events"`
+	DsSecurityDescriptorPropagatorAverageExclusionTime               float64 `perfdata:"DS Security Descriptor Propagator Average Exclusion Time"`
+	DsSecurityDescriptorPropagatorRuntimeQueue                       float64 `perfdata:"DS Security Descriptor Propagator Runtime Queue"`
+	DsSecurityDescriptorSubOperationsPerSec                          float64 `perfdata:"DS Security Descriptor sub-operations/sec"`
+	DsServerBindsPerSec                                              float64 `perfdata:"DS Server Binds/sec"`
+	DsServerNameTranslationsPerSec                                   float64 `perfdata:"DS Server Name Translations/sec"`
+	DsThreadsInUse                                                   float64 `perfdata:"DS Threads in Use"`
+	_                                                                float64 `perfdata:"Error eventlogs since boot"`
+	_                                                                float64 `perfdata:"Error events since boot"`
+	ExternalBindsPerSec                                              float64 `perfdata:"External Binds/sec"`
+	FastBindsPerSec                                                  float64 `perfdata:"Fast Binds/sec"`
+	_                                                                float64 `perfdata:"Fatal events since boot"`
+	_                                                                float64 `perfdata:"Info eventlogs since boot"`
+	LdapActiveThreads                                                float64 `perfdata:"LDAP Active Threads"`
+	_                                                                float64 `perfdata:"LDAP Add Operations"`
+	_                                                                float64 `perfdata:"LDAP Add Operations/sec"`
+	_                                                                float64 `perfdata:"LDAP batch slots available"`
+	LdapBindTime                                                     float64 `perfdata:"LDAP Bind Time"`
+	_                                                                float64 `perfdata:"LDAP busy retries"`
+	_                                                                float64 `perfdata:"LDAP busy retries/sec"`
+	LdapClientSessions                                               float64 `perfdata:"LDAP Client Sessions"`
+	LdapClosedConnectionsPerSec                                      float64 `perfdata:"LDAP Closed Connections/sec"`
+	_                                                                float64 `perfdata:"LDAP Delete Operations"`
+	_                                                                float64 `perfdata:"LDAP Delete Operations/sec"`
+	_                                                                float64 `perfdata:"LDAP Modify DN Operations"`
+	_                                                                float64 `perfdata:"LDAP Modify DN Operations/sec"`
+	_                                                                float64 `perfdata:"LDAP Modify Operations"`
+	_                                                                float64 `perfdata:"LDAP Modify Operations/sec"`
+	LdapNewConnectionsPerSec                                         float64 `perfdata:"LDAP New Connections/sec"`
+	LdapNewSSLConnectionsPerSec                                      float64 `perfdata:"LDAP New SSL Connections/sec"`
+	_                                                                float64 `perfdata:"LDAP Outbound Bytes"`
+	_                                                                float64 `perfdata:"LDAP Outbound Bytes/sec"`
+	_                                                                float64 `perfdata:"LDAP Page Search Cache entries count"`
+	_                                                                float64 `perfdata:"LDAP Page Search Cache size"`
+	LdapSearchesPerSec                                               float64 `perfdata:"LDAP Searches/sec"`
+	LdapSuccessfulBindsPerSec                                        float64 `perfdata:"LDAP Successful Binds/sec"`
+	_                                                                float64 `perfdata:"LDAP Threads Sleeping on BUSY"`
+	LdapUDPOperationsPerSec                                          float64 `perfdata:"LDAP UDP operations/sec"`
+	LdapWritesPerSec                                                 float64 `perfdata:"LDAP Writes/sec"`
+	LinkValuesCleanedPerSec                                          float64 `perfdata:"Link Values Cleaned/sec"`
+	_                                                                float64 `perfdata:"Links added"`
+	_                                                                float64 `perfdata:"Links added/sec"`
+	_                                                                float64 `perfdata:"Links visited"`
+	_                                                                float64 `perfdata:"Links visited/sec"`
+	_                                                                float64 `perfdata:"Logical link deletes"`
+	_                                                                float64 `perfdata:"Logical link deletes/sec"`
+	NegotiatedBindsPerSec                                            float64 `perfdata:"Negotiated Binds/sec"`
+	NTLMBindsPerSec                                                  float64 `perfdata:"NTLM Binds/sec"`
+	_                                                                float64 `perfdata:"Objects returned"`
+	_                                                                float64 `perfdata:"Objects returned/sec"`
+	_                                                                float64 `perfdata:"Objects visited"`
+	_                                                                float64 `perfdata:"Objects visited/sec"`
+	OneLevelSearchesPerSec                                           float64 `perfdata:"Onelevel searches/sec"`
+	_                                                                float64 `perfdata:"PDC failed password update notifications"`
+	_                                                                float64 `perfdata:"PDC password update notifications/sec"`
+	_                                                                float64 `perfdata:"PDC successful password update notifications"`
+	PhantomsCleanedPerSec                                            float64 `perfdata:"Phantoms Cleaned/sec"`
+	PhantomsVisitedPerSec                                            float64 `perfdata:"Phantoms Visited/sec"`
+	_                                                                float64 `perfdata:"Physical link deletes"`
+	_                                                                float64 `perfdata:"Physical link deletes/sec"`
+	_                                                                float64 `perfdata:"Replicate Single Object operations"`
+	_                                                                float64 `perfdata:"Replicate Single Object operations/sec"`
+	_                                                                float64 `perfdata:"RID Pool invalidations since boot"`
+	_                                                                float64 `perfdata:"RID Pool request failures since boot"`
+	_                                                                float64 `perfdata:"RID Pool request successes since boot"`
+	SamAccountGroupEvaluationLatency                                 float64 `perfdata:"SAM Account Group Evaluation Latency"`
+	SamDisplayInformationQueriesPerSec                               float64 `perfdata:"SAM Display Information Queries/sec"`
+	SamDomainLocalGroupMembershipEvaluationsPerSec                   float64 `perfdata:"SAM Domain Local Group Membership Evaluations/sec"`
+	SamEnumerationsPerSec                                            float64 `perfdata:"SAM Enumerations/sec"`
+	SamGCEvaluationsPerSec                                           float64 `perfdata:"SAM GC Evaluations/sec"`
+	SamGlobalGroupMembershipEvaluationsPerSec                        float64 `perfdata:"SAM Global Group Membership Evaluations/sec"`
+	SamMachineCreationAttemptsPerSec                                 float64 `perfdata:"SAM Machine Creation Attempts/sec"`
+	SamMembershipChangesPerSec                                       float64 `perfdata:"SAM Membership Changes/sec"`
+	SamNonTransitiveMembershipEvaluationsPerSec                      float64 `perfdata:"SAM Non-Transitive Membership Evaluations/sec"`
+	SamPasswordChangesPerSec                                         float64 `perfdata:"SAM Password Changes/sec"`
+	SamResourceGroupEvaluationLatency                                float64 `perfdata:"SAM Resource Group Evaluation Latency"`
+	SamSuccessfulComputerCreationsPerSecIncludesAllRequests          float64 `perfdata:"SAM Successful Computer Creations/sec: Includes all requests"`
+	SamSuccessfulUserCreationsPerSec                                 float64 `perfdata:"SAM Successful User Creations/sec"`
+	SamTransitiveMembershipEvaluationsPerSec                         float64 `perfdata:"SAM Transitive Membership Evaluations/sec"`
+	SamUniversalGroupMembershipEvaluationsPerSec                     float64 `perfdata:"SAM Universal Group Membership Evaluations/sec"`
+	SamUserCreationAttemptsPerSec                                    float64 `perfdata:"SAM User Creation Attempts/sec"`
+	SimpleBindsPerSec                                                float64 `perfdata:"Simple Binds/sec"`
+	SubtreeSearchesPerSec                                            float64 `perfdata:"Subtree searches/sec"`
+	TombstonesGarbageCollectedPerSec                                 float64 `perfdata:"Tombstones Garbage Collected/sec"`
+	TombstonesVisitedPerSec                                          float64 `perfdata:"Tombstones Visited/sec"`
+	TransitiveOperationsMillisecondsRun                              float64 `perfdata:"Transitive operations milliseconds run"`
+	TransitiveOperationsPerSec                                       float64 `perfdata:"Transitive operations/sec"`
+	TransitiveSubOperationsPerSec                                    float64 `perfdata:"Transitive suboperations/sec"`
+	_                                                                float64 `perfdata:"Warning eventlogs since boot"`
+	_                                                                float64 `perfdata:"Warning events since boot"`
+}

internal/collector/adcs/adcs.go

@@ -21,7 +21,7 @@ import (
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus-community/windows_exporter/internal/utils"
 	"github.com/prometheus/client_golang/prometheus"
@@ -37,7 +37,8 @@ var ConfigDefaults = Config{}
 type Collector struct {
 	config Config
 
-	perfDataCollector *perfdata.Collector
+	perfDataCollector *pdh.Collector
+	perfDataObject    []perfDataCounterValues
 
 	challengeResponseProcessingTime              *prometheus.Desc
 	challengeResponsesPerSecond                  *prometheus.Desc
@@ -83,21 +84,7 @@ func (c *Collector) Close() error {
 func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 	var err error
 
-	c.perfDataCollector, err = perfdata.NewCollector("Certification Authority", perfdata.InstancesAll, []string{
-		requestsPerSecond,
-		requestProcessingTime,
-		retrievalsPerSecond,
-		retrievalProcessingTime,
-		failedRequestsPerSecond,
-		issuedRequestsPerSecond,
-		pendingRequestsPerSecond,
-		requestCryptographicSigningTime,
-		requestPolicyModuleProcessingTime,
-		challengeResponsesPerSecond,
-		challengeResponseProcessingTime,
-		signedCertificateTimestampListsPerSecond,
-		signedCertificateTimestampListProcessingTime,
-	})
+	c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues]("Certification Authority", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Certification Authority collector: %w", err)
 	}
@@ -185,93 +172,89 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 }
 
 func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollector.Collect()
+	err := c.perfDataCollector.Collect(&c.perfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect Certification Authority (ADCS) metrics: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect Certification Authority (ADCS) metrics: %w", types.ErrNoData)
-	}
-
-	for name, data := range perfData {
+	for _, data := range c.perfDataObject {
 		ch <- prometheus.MustNewConstMetric(
 			c.requestsPerSecond,
 			prometheus.CounterValue,
-			data[requestsPerSecond].FirstValue,
-			name,
+			data.RequestsPerSecond,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.requestProcessingTime,
 			prometheus.GaugeValue,
-			utils.MilliSecToSec(data[requestProcessingTime].FirstValue),
-			name,
+			utils.MilliSecToSec(data.RequestProcessingTime),
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.retrievalsPerSecond,
 			prometheus.CounterValue,
-			data[retrievalsPerSecond].FirstValue,
-			name,
+			data.RetrievalsPerSecond,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.retrievalProcessingTime,
 			prometheus.GaugeValue,
-			utils.MilliSecToSec(data[retrievalProcessingTime].FirstValue),
-			name,
+			utils.MilliSecToSec(data.RetrievalProcessingTime),
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.failedRequestsPerSecond,
 			prometheus.CounterValue,
-			data[failedRequestsPerSecond].FirstValue,
-			name,
+			data.FailedRequestsPerSecond,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.issuedRequestsPerSecond,
 			prometheus.CounterValue,
-			data[issuedRequestsPerSecond].FirstValue,
-			name,
+			data.IssuedRequestsPerSecond,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.pendingRequestsPerSecond,
 			prometheus.CounterValue,
-			data[pendingRequestsPerSecond].FirstValue,
-			name,
+			data.PendingRequestsPerSecond,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.requestCryptographicSigningTime,
 			prometheus.GaugeValue,
-			utils.MilliSecToSec(data[requestCryptographicSigningTime].FirstValue),
-			name,
+			utils.MilliSecToSec(data.RequestCryptographicSigningTime),
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.requestPolicyModuleProcessingTime,
 			prometheus.GaugeValue,
-			utils.MilliSecToSec(data[requestPolicyModuleProcessingTime].FirstValue),
-			name,
+			utils.MilliSecToSec(data.RequestPolicyModuleProcessingTime),
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.challengeResponsesPerSecond,
 			prometheus.CounterValue,
-			data[challengeResponsesPerSecond].FirstValue,
-			name,
+			data.ChallengeResponsesPerSecond,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.challengeResponseProcessingTime,
 			prometheus.GaugeValue,
-			utils.MilliSecToSec(data[challengeResponseProcessingTime].FirstValue),
-			name,
+			utils.MilliSecToSec(data.ChallengeResponseProcessingTime),
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.signedCertificateTimestampListsPerSecond,
 			prometheus.CounterValue,
-			data[signedCertificateTimestampListsPerSecond].FirstValue,
-			name,
+			data.SignedCertificateTimestampListsPerSecond,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.signedCertificateTimestampListProcessingTime,
 			prometheus.GaugeValue,
-			utils.MilliSecToSec(data[signedCertificateTimestampListProcessingTime].FirstValue),
-			name,
+			utils.MilliSecToSec(data.SignedCertificateTimestampListProcessingTime),
+			data.Name,
 		)
 	}
 

internal/collector/adcs/adcs_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, adcs.Name, adcs.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, adcs.New, nil)
+}

internal/collector/adcs/const.go

@@ -1,32 +0,0 @@
-// Copyright 2024 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build windows
-
-package adcs
-
-const (
-	challengeResponseProcessingTime              = "Challenge Response processing time (ms)"
-	challengeResponsesPerSecond                  = "Challenge Responses/sec"
-	failedRequestsPerSecond                      = "Failed Requests/sec"
-	issuedRequestsPerSecond                      = "Issued Requests/sec"
-	pendingRequestsPerSecond                     = "Pending Requests/sec"
-	requestCryptographicSigningTime              = "Request cryptographic signing time (ms)"
-	requestPolicyModuleProcessingTime            = "Request policy module processing time (ms)"
-	requestProcessingTime                        = "Request processing time (ms)"
-	requestsPerSecond                            = "Requests/sec"
-	retrievalProcessingTime                      = "Retrieval processing time (ms)"
-	retrievalsPerSecond                          = "Retrievals/sec"
-	signedCertificateTimestampListProcessingTime = "Signed Certificate Timestamp List processing time (ms)"
-	signedCertificateTimestampListsPerSecond     = "Signed Certificate Timestamp Lists/sec"
-)

internal/collector/adcs/types.go

@@ -0,0 +1,34 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build windows
+
+package adcs
+
+type perfDataCounterValues struct {
+	Name string
+
+	ChallengeResponseProcessingTime              float64 `perfdata:"Challenge Response processing time (ms)"`
+	ChallengeResponsesPerSecond                  float64 `perfdata:"Challenge Responses/sec"`
+	FailedRequestsPerSecond                      float64 `perfdata:"Failed Requests/sec"`
+	IssuedRequestsPerSecond                      float64 `perfdata:"Issued Requests/sec"`
+	PendingRequestsPerSecond                     float64 `perfdata:"Pending Requests/sec"`
+	RequestCryptographicSigningTime              float64 `perfdata:"Request cryptographic signing time (ms)"`
+	RequestPolicyModuleProcessingTime            float64 `perfdata:"Request policy module processing time (ms)"`
+	RequestProcessingTime                        float64 `perfdata:"Request processing time (ms)"`
+	RequestsPerSecond                            float64 `perfdata:"Requests/sec"`
+	RetrievalProcessingTime                      float64 `perfdata:"Retrieval processing time (ms)"`
+	RetrievalsPerSecond                          float64 `perfdata:"Retrievals/sec"`
+	SignedCertificateTimestampListProcessingTime float64 `perfdata:"Signed Certificate Timestamp List processing time (ms)"`
+	SignedCertificateTimestampListsPerSecond     float64 `perfdata:"Signed Certificate Timestamp Lists/sec"`
+}

internal/collector/adfs/adfs.go

@@ -18,13 +18,11 @@ package adfs
 import (
 	"fmt"
 	"log/slog"
-	"maps"
 	"math"
-	"slices"
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -39,7 +37,8 @@ var ConfigDefaults = Config{}
 type Collector struct {
 	config Config
 
-	perfDataCollector *perfdata.Collector
+	perfDataCollector *pdh.Collector
+	perfDataObject    []perfDataCounterValues
 
 	adLoginConnectionFailures                          *prometheus.Desc
 	artifactDBFailures                                 *prometheus.Desc
@@ -115,51 +114,7 @@ func (c *Collector) Close() error {
 func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 	var err error
 
-	c.perfDataCollector, err = perfdata.NewCollector("AD FS", nil, []string{
-		adLoginConnectionFailures,
-		certificateAuthentications,
-		deviceAuthentications,
-		extranetAccountLockouts,
-		federatedAuthentications,
-		passportAuthentications,
-		passiveRequests,
-		passwordChangeFailed,
-		passwordChangeSucceeded,
-		tokenRequests,
-		windowsIntegratedAuthentications,
-		oAuthAuthZRequests,
-		oAuthClientAuthentications,
-		oAuthClientAuthenticationFailures,
-		oAuthClientCredentialRequestFailures,
-		oAuthClientCredentialRequests,
-		oAuthClientPrivateKeyJWTAuthenticationFailures,
-		oAuthClientPrivateKeyJWTAuthentications,
-		oAuthClientBasicAuthenticationFailures,
-		oAuthClientBasicAuthentications,
-		oAuthClientSecretPostAuthenticationFailures,
-		oAuthClientSecretPostAuthentications,
-		oAuthClientWindowsAuthenticationFailures,
-		oAuthClientWindowsAuthentications,
-		oAuthLogonCertRequestFailures,
-		oAuthLogonCertTokenRequests,
-		oAuthPasswordGrantRequestFailures,
-		oAuthPasswordGrantRequests,
-		oAuthTokenRequests,
-		samlPTokenRequests,
-		ssoAuthenticationFailures,
-		ssoAuthentications,
-		wsFedTokenRequests,
-		wsTrustTokenRequests,
-		usernamePasswordAuthenticationFailures,
-		usernamePasswordAuthentications,
-		externalAuthentications,
-		externalAuthNFailures,
-		artifactDBFailures,
-		avgArtifactDBQueryTime,
-		configDBFailures,
-		avgConfigDBQueryTime,
-		federationMetadataRequests,
-	})
+	c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues]("AD FS", nil)
 	if err != nil {
 		return fmt.Errorf("failed to create AD FS collector: %w", err)
 	}
@@ -427,279 +382,267 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 }
 
 func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollector.Collect()
+	err := c.perfDataCollector.Collect(&c.perfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect ADFS metrics: %w", err)
 	}
 
-	instanceKey := slices.Collect(maps.Keys(data))
-
-	if len(instanceKey) == 0 {
-		return fmt.Errorf("failed to collect ADFS metrics: %w", types.ErrNoData)
-	}
-
-	adfsData, ok := data[instanceKey[0]]
-
-	if !ok {
-		return fmt.Errorf("failed to collect ADFS metrics: %w", types.ErrNoData)
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.adLoginConnectionFailures,
 		prometheus.CounterValue,
-		adfsData[adLoginConnectionFailures].FirstValue,
+		c.perfDataObject[0].AdLoginConnectionFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.certificateAuthentications,
 		prometheus.CounterValue,
-		adfsData[certificateAuthentications].FirstValue,
+		c.perfDataObject[0].CertificateAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.deviceAuthentications,
 		prometheus.CounterValue,
-		adfsData[deviceAuthentications].FirstValue,
+		c.perfDataObject[0].DeviceAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.extranetAccountLockouts,
 		prometheus.CounterValue,
-		adfsData[extranetAccountLockouts].FirstValue,
+		c.perfDataObject[0].ExtranetAccountLockouts,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.federatedAuthentications,
 		prometheus.CounterValue,
-		adfsData[federatedAuthentications].FirstValue,
+		c.perfDataObject[0].FederatedAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.passportAuthentications,
 		prometheus.CounterValue,
-		adfsData[passportAuthentications].FirstValue,
+		c.perfDataObject[0].PassportAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.passiveRequests,
 		prometheus.CounterValue,
-		adfsData[passiveRequests].FirstValue,
+		c.perfDataObject[0].PassiveRequests,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.passwordChangeFailed,
 		prometheus.CounterValue,
-		adfsData[passwordChangeFailed].FirstValue,
+		c.perfDataObject[0].PasswordChangeFailed,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.passwordChangeSucceeded,
 		prometheus.CounterValue,
-		adfsData[passwordChangeSucceeded].FirstValue,
+		c.perfDataObject[0].PasswordChangeSucceeded,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.tokenRequests,
 		prometheus.CounterValue,
-		adfsData[tokenRequests].FirstValue,
+		c.perfDataObject[0].TokenRequests,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.windowsIntegratedAuthentications,
 		prometheus.CounterValue,
-		adfsData[windowsIntegratedAuthentications].FirstValue,
+		c.perfDataObject[0].WindowsIntegratedAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthAuthZRequests,
 		prometheus.CounterValue,
-		adfsData[oAuthAuthZRequests].FirstValue,
+		c.perfDataObject[0].OAuthAuthZRequests,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientAuthentications,
 		prometheus.CounterValue,
-		adfsData[oAuthClientAuthentications].FirstValue,
+		c.perfDataObject[0].OAuthClientAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientAuthenticationsFailures,
 		prometheus.CounterValue,
-		adfsData[oAuthClientAuthenticationFailures].FirstValue,
+		c.perfDataObject[0].OAuthClientAuthenticationFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientCredentialsRequestFailures,
 		prometheus.CounterValue,
-		adfsData[oAuthClientCredentialRequestFailures].FirstValue,
+		c.perfDataObject[0].OAuthClientCredentialRequestFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientCredentialsRequests,
 		prometheus.CounterValue,
-		adfsData[oAuthClientCredentialRequests].FirstValue,
+		c.perfDataObject[0].OAuthClientCredentialRequests,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientPrivateKeyJwtAuthenticationFailures,
 		prometheus.CounterValue,
-		adfsData[oAuthClientPrivateKeyJWTAuthenticationFailures].FirstValue,
+		c.perfDataObject[0].OAuthClientPrivateKeyJWTAuthenticationFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientPrivateKeyJwtAuthentications,
 		prometheus.CounterValue,
-		adfsData[oAuthClientPrivateKeyJWTAuthentications].FirstValue,
+		c.perfDataObject[0].OAuthClientPrivateKeyJWTAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientSecretBasicAuthenticationFailures,
 		prometheus.CounterValue,
-		adfsData[oAuthClientBasicAuthenticationFailures].FirstValue,
+		c.perfDataObject[0].OAuthClientBasicAuthenticationFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientSecretBasicAuthentications,
 		prometheus.CounterValue,
-		adfsData[oAuthClientBasicAuthentications].FirstValue,
+		c.perfDataObject[0].OAuthClientBasicAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientSecretPostAuthenticationFailures,
 		prometheus.CounterValue,
-		adfsData[oAuthClientSecretPostAuthenticationFailures].FirstValue,
+		c.perfDataObject[0].OAuthClientSecretPostAuthenticationFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientSecretPostAuthentications,
 		prometheus.CounterValue,
-		adfsData[oAuthClientSecretPostAuthentications].FirstValue,
+		c.perfDataObject[0].OAuthClientSecretPostAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientWindowsIntegratedAuthenticationFailures,
 		prometheus.CounterValue,
-		adfsData[oAuthClientWindowsAuthenticationFailures].FirstValue,
+		c.perfDataObject[0].OAuthClientWindowsAuthenticationFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthClientWindowsIntegratedAuthentications,
 		prometheus.CounterValue,
-		adfsData[oAuthClientWindowsAuthentications].FirstValue,
+		c.perfDataObject[0].OAuthClientWindowsAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthLogonCertificateRequestFailures,
 		prometheus.CounterValue,
-		adfsData[oAuthLogonCertRequestFailures].FirstValue,
+		c.perfDataObject[0].OAuthLogonCertRequestFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthLogonCertificateTokenRequests,
 		prometheus.CounterValue,
-		adfsData[oAuthLogonCertTokenRequests].FirstValue,
+		c.perfDataObject[0].OAuthLogonCertTokenRequests,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthPasswordGrantRequestFailures,
 		prometheus.CounterValue,
-		adfsData[oAuthPasswordGrantRequestFailures].FirstValue,
+		c.perfDataObject[0].OAuthPasswordGrantRequestFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthPasswordGrantRequests,
 		prometheus.CounterValue,
-		adfsData[oAuthPasswordGrantRequests].FirstValue,
+		c.perfDataObject[0].OAuthPasswordGrantRequests,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.oAuthTokenRequests,
 		prometheus.CounterValue,
-		adfsData[oAuthTokenRequests].FirstValue,
+		c.perfDataObject[0].OAuthTokenRequests,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.samlPTokenRequests,
 		prometheus.CounterValue,
-		adfsData[samlPTokenRequests].FirstValue,
+		c.perfDataObject[0].SamlPTokenRequests,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.ssoAuthenticationFailures,
 		prometheus.CounterValue,
-		adfsData[ssoAuthenticationFailures].FirstValue,
+		c.perfDataObject[0].SsoAuthenticationFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.ssoAuthentications,
 		prometheus.CounterValue,
-		adfsData[ssoAuthentications].FirstValue,
+		c.perfDataObject[0].SsoAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.wsFedTokenRequests,
 		prometheus.CounterValue,
-		adfsData[wsFedTokenRequests].FirstValue,
+		c.perfDataObject[0].WsFedTokenRequests,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.wsTrustTokenRequests,
 		prometheus.CounterValue,
-		adfsData[wsTrustTokenRequests].FirstValue,
+		c.perfDataObject[0].WsTrustTokenRequests,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.upAuthenticationFailures,
 		prometheus.CounterValue,
-		adfsData[usernamePasswordAuthenticationFailures].FirstValue,
+		c.perfDataObject[0].UsernamePasswordAuthenticationFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.upAuthentications,
 		prometheus.CounterValue,
-		adfsData[usernamePasswordAuthentications].FirstValue,
+		c.perfDataObject[0].UsernamePasswordAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.externalAuthenticationFailures,
 		prometheus.CounterValue,
-		adfsData[externalAuthNFailures].FirstValue,
+		c.perfDataObject[0].ExternalAuthNFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.externalAuthentications,
 		prometheus.CounterValue,
-		adfsData[externalAuthentications].FirstValue,
+		c.perfDataObject[0].ExternalAuthentications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.artifactDBFailures,
 		prometheus.CounterValue,
-		adfsData[artifactDBFailures].FirstValue,
+		c.perfDataObject[0].ArtifactDBFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.avgArtifactDBQueryTime,
 		prometheus.CounterValue,
-		adfsData[avgArtifactDBQueryTime].FirstValue*math.Pow(10, -8),
+		c.perfDataObject[0].AvgArtifactDBQueryTime*math.Pow(10, -8),
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.configDBFailures,
 		prometheus.CounterValue,
-		adfsData[configDBFailures].FirstValue,
+		c.perfDataObject[0].ConfigDBFailures,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.avgConfigDBQueryTime,
 		prometheus.CounterValue,
-		adfsData[avgConfigDBQueryTime].FirstValue*math.Pow(10, -8),
+		c.perfDataObject[0].AvgConfigDBQueryTime*math.Pow(10, -8),
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.federationMetadataRequests,
 		prometheus.CounterValue,
-		adfsData[federationMetadataRequests].FirstValue,
+		c.perfDataObject[0].FederationMetadataRequests,
 	)
 
 	return nil

internal/collector/adfs/adfs_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, adfs.Name, adfs.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, adfs.New, nil)
+}

internal/collector/adfs/const.go

@@ -1,62 +0,0 @@
-// Copyright 2024 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build windows
-
-package adfs
-
-const (
-	adLoginConnectionFailures                      = "AD Login Connection Failures"
-	artifactDBFailures                             = "Artifact Database Connection Failures"
-	avgArtifactDBQueryTime                         = "Average Artifact Database Query Time"
-	avgConfigDBQueryTime                           = "Average Config Database Query Time"
-	certificateAuthentications                     = "Certificate Authentications"
-	configDBFailures                               = "Configuration Database Connection Failures"
-	deviceAuthentications                          = "Device Authentications"
-	externalAuthentications                        = "External Authentications"
-	externalAuthNFailures                          = "External Authentication Failures"
-	extranetAccountLockouts                        = "Extranet Account Lockouts"
-	federatedAuthentications                       = "Federated Authentications"
-	federationMetadataRequests                     = "Federation Metadata Requests"
-	oAuthAuthZRequests                             = "OAuth AuthZ Requests"
-	oAuthClientAuthenticationFailures              = "OAuth Client Authentications Failures"
-	oAuthClientAuthentications                     = "OAuth Client Authentications"
-	oAuthClientBasicAuthenticationFailures         = "OAuth Client Secret Basic Authentication Failures"
-	oAuthClientBasicAuthentications                = "OAuth Client Secret Basic Authentications"
-	oAuthClientCredentialRequestFailures           = "OAuth Client Credentials Request Failures"
-	oAuthClientCredentialRequests                  = "OAuth Client Credentials Requests"
-	oAuthClientPrivateKeyJWTAuthenticationFailures = "OAuth Client Private Key Jwt Authentication Failures"
-	oAuthClientPrivateKeyJWTAuthentications        = "OAuth Client Private Key Jwt Authentications"
-	oAuthClientSecretPostAuthenticationFailures    = "OAuth Client Secret Post Authentication Failures"
-	oAuthClientSecretPostAuthentications           = "OAuth Client Secret Post Authentications"
-	oAuthClientWindowsAuthenticationFailures       = "OAuth Client Windows Integrated Authentication Failures"
-	oAuthClientWindowsAuthentications              = "OAuth Client Windows Integrated Authentications"
-	oAuthLogonCertRequestFailures                  = "OAuth Logon Certificate Request Failures"
-	oAuthLogonCertTokenRequests                    = "OAuth Logon Certificate Token Requests"
-	oAuthPasswordGrantRequestFailures              = "OAuth Password Grant Request Failures"
-	oAuthPasswordGrantRequests                     = "OAuth Password Grant Requests"
-	oAuthTokenRequests                             = "OAuth Token Requests"
-	passiveRequests                                = "Passive Requests"
-	passportAuthentications                        = "Microsoft Passport Authentications"
-	passwordChangeFailed                           = "Password Change Failed Requests"
-	passwordChangeSucceeded                        = "Password Change Successful Requests"
-	samlPTokenRequests                             = "SAML-P Token Requests"
-	ssoAuthenticationFailures                      = "SSO Authentication Failures"
-	ssoAuthentications                             = "SSO Authentications"
-	tokenRequests                                  = "Token Requests"
-	usernamePasswordAuthenticationFailures         = "U/P Authentication Failures"
-	usernamePasswordAuthentications                = "U/P Authentications"
-	windowsIntegratedAuthentications               = "Windows Integrated Authentications"
-	wsFedTokenRequests                             = "WS-Fed Token Requests"
-	wsTrustTokenRequests                           = "WS-Trust Token Requests"
-)

internal/collector/adfs/types.go

@@ -0,0 +1,62 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build windows
+
+package adfs
+
+type perfDataCounterValues struct {
+	AdLoginConnectionFailures                      float64 `perfdata:"AD Login Connection Failures"`
+	ArtifactDBFailures                             float64 `perfdata:"Artifact Database Connection Failures"`
+	AvgArtifactDBQueryTime                         float64 `perfdata:"Average Artifact Database Query Time"`
+	AvgConfigDBQueryTime                           float64 `perfdata:"Average Config Database Query Time"`
+	CertificateAuthentications                     float64 `perfdata:"Certificate Authentications"`
+	ConfigDBFailures                               float64 `perfdata:"Configuration Database Connection Failures"`
+	DeviceAuthentications                          float64 `perfdata:"Device Authentications"`
+	ExternalAuthentications                        float64 `perfdata:"External Authentications"`
+	ExternalAuthNFailures                          float64 `perfdata:"External Authentication Failures"`
+	ExtranetAccountLockouts                        float64 `perfdata:"Extranet Account Lockouts"`
+	FederatedAuthentications                       float64 `perfdata:"Federated Authentications"`
+	FederationMetadataRequests                     float64 `perfdata:"Federation Metadata Requests"`
+	OAuthAuthZRequests                             float64 `perfdata:"OAuth AuthZ Requests"`
+	OAuthClientAuthenticationFailures              float64 `perfdata:"OAuth Client Authentications Failures"`
+	OAuthClientAuthentications                     float64 `perfdata:"OAuth Client Authentications"`
+	OAuthClientBasicAuthenticationFailures         float64 `perfdata:"OAuth Client Secret Basic Authentication Failures"`
+	OAuthClientBasicAuthentications                float64 `perfdata:"OAuth Client Secret Basic Authentications"`
+	OAuthClientCredentialRequestFailures           float64 `perfdata:"OAuth Client Credentials Request Failures"`
+	OAuthClientCredentialRequests                  float64 `perfdata:"OAuth Client Credentials Requests"`
+	OAuthClientPrivateKeyJWTAuthenticationFailures float64 `perfdata:"OAuth Client Private Key Jwt Authentication Failures"`
+	OAuthClientPrivateKeyJWTAuthentications        float64 `perfdata:"OAuth Client Private Key Jwt Authentications"`
+	OAuthClientSecretPostAuthenticationFailures    float64 `perfdata:"OAuth Client Secret Post Authentication Failures"`
+	OAuthClientSecretPostAuthentications           float64 `perfdata:"OAuth Client Secret Post Authentications"`
+	OAuthClientWindowsAuthenticationFailures       float64 `perfdata:"OAuth Client Windows Integrated Authentication Failures"`
+	OAuthClientWindowsAuthentications              float64 `perfdata:"OAuth Client Windows Integrated Authentications"`
+	OAuthLogonCertRequestFailures                  float64 `perfdata:"OAuth Logon Certificate Request Failures"`
+	OAuthLogonCertTokenRequests                    float64 `perfdata:"OAuth Logon Certificate Token Requests"`
+	OAuthPasswordGrantRequestFailures              float64 `perfdata:"OAuth Password Grant Request Failures"`
+	OAuthPasswordGrantRequests                     float64 `perfdata:"OAuth Password Grant Requests"`
+	OAuthTokenRequests                             float64 `perfdata:"OAuth Token Requests"`
+	PassiveRequests                                float64 `perfdata:"Passive Requests"`
+	PassportAuthentications                        float64 `perfdata:"Microsoft Passport Authentications"`
+	PasswordChangeFailed                           float64 `perfdata:"Password Change Failed Requests"`
+	PasswordChangeSucceeded                        float64 `perfdata:"Password Change Successful Requests"`
+	SamlPTokenRequests                             float64 `perfdata:"SAML-P Token Requests"`
+	SsoAuthenticationFailures                      float64 `perfdata:"SSO Authentication Failures"`
+	SsoAuthentications                             float64 `perfdata:"SSO Authentications"`
+	TokenRequests                                  float64 `perfdata:"Token Requests"`
+	UsernamePasswordAuthenticationFailures         float64 `perfdata:"U/P Authentication Failures"`
+	UsernamePasswordAuthentications                float64 `perfdata:"U/P Authentications"`
+	WindowsIntegratedAuthentications               float64 `perfdata:"Windows Integrated Authentications"`
+	WsFedTokenRequests                             float64 `perfdata:"WS-Fed Token Requests"`
+	WsTrustTokenRequests                           float64 `perfdata:"WS-Trust Token Requests"`
+}

internal/collector/cache/cache.go

@@ -21,7 +21,7 @@ import (
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -37,7 +37,8 @@ var ConfigDefaults = Config{}
 type Collector struct {
 	config Config
 
-	perfDataCollector *perfdata.Collector
+	perfDataCollector *pdh.Collector
+	perfDataObject    []perfDataCounterValues
 
 	asyncCopyReadsTotal         *prometheus.Desc
 	asyncDataMapsTotal          *prometheus.Desc
@@ -99,37 +100,7 @@ func (c *Collector) Close() error {
 func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 	var err error
 
-	c.perfDataCollector, err = perfdata.NewCollector("Cache", perfdata.InstancesAll, []string{
-		asyncCopyReadsTotal,
-		asyncDataMapsTotal,
-		asyncFastReadsTotal,
-		asyncMDLReadsTotal,
-		asyncPinReadsTotal,
-		copyReadHitsTotal,
-		copyReadsTotal,
-		dataFlushesTotal,
-		dataFlushPagesTotal,
-		dataMapHitsPercent,
-		dataMapPinsTotal,
-		dataMapsTotal,
-		dirtyPages,
-		dirtyPageThreshold,
-		fastReadNotPossiblesTotal,
-		fastReadResourceMissesTotal,
-		fastReadsTotal,
-		lazyWriteFlushesTotal,
-		lazyWritePagesTotal,
-		mdlReadHitsTotal,
-		mdlReadsTotal,
-		pinReadHitsTotal,
-		pinReadsTotal,
-		readAheadsTotal,
-		syncCopyReadsTotal,
-		syncDataMapsTotal,
-		syncFastReadsTotal,
-		syncMDLReadsTotal,
-		syncPinReadsTotal,
-	})
+	c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues]("Cache", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Cache collector: %w", err)
 	}
@@ -314,189 +285,183 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 
 // Collect implements the Collector interface.
 func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollector.Collect()
+	err := c.perfDataCollector.Collect(&c.perfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect Cache metrics: %w", err)
 	}
 
-	cacheData, ok := data[perfdata.InstanceEmpty]
-
-	if !ok {
-		return fmt.Errorf("failed to collect Cache metrics: %w", types.ErrNoData)
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.asyncCopyReadsTotal,
 		prometheus.CounterValue,
-		cacheData[asyncCopyReadsTotal].FirstValue,
+		c.perfDataObject[0].AsyncCopyReadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.asyncDataMapsTotal,
 		prometheus.CounterValue,
-		cacheData[asyncDataMapsTotal].FirstValue,
+		c.perfDataObject[0].AsyncDataMapsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.asyncFastReadsTotal,
 		prometheus.CounterValue,
-		cacheData[asyncFastReadsTotal].FirstValue,
+		c.perfDataObject[0].AsyncFastReadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.asyncMDLReadsTotal,
 		prometheus.CounterValue,
-		cacheData[asyncMDLReadsTotal].FirstValue,
+		c.perfDataObject[0].AsyncMDLReadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.asyncPinReadsTotal,
 		prometheus.CounterValue,
-		cacheData[asyncPinReadsTotal].FirstValue,
+		c.perfDataObject[0].AsyncPinReadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.copyReadHitsTotal,
 		prometheus.GaugeValue,
-		cacheData[copyReadHitsTotal].FirstValue,
+		c.perfDataObject[0].CopyReadHitsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.copyReadsTotal,
 		prometheus.CounterValue,
-		cacheData[copyReadsTotal].FirstValue,
+		c.perfDataObject[0].CopyReadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.dataFlushesTotal,
 		prometheus.CounterValue,
-		cacheData[dataFlushesTotal].FirstValue,
+		c.perfDataObject[0].DataFlushesTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.dataFlushPagesTotal,
 		prometheus.CounterValue,
-		cacheData[dataFlushPagesTotal].FirstValue,
+		c.perfDataObject[0].DataFlushPagesTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.dataMapHitsPercent,
 		prometheus.GaugeValue,
-		cacheData[dataMapHitsPercent].FirstValue,
+		c.perfDataObject[0].DataMapHitsPercent,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.dataMapPinsTotal,
 		prometheus.CounterValue,
-		cacheData[dataMapPinsTotal].FirstValue,
+		c.perfDataObject[0].DataMapPinsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.dataMapsTotal,
 		prometheus.CounterValue,
-		cacheData[dataMapsTotal].FirstValue,
+		c.perfDataObject[0].DataMapsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.dirtyPages,
 		prometheus.GaugeValue,
-		cacheData[dirtyPages].FirstValue,
+		c.perfDataObject[0].DirtyPages,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.dirtyPageThreshold,
 		prometheus.GaugeValue,
-		cacheData[dirtyPageThreshold].FirstValue,
+		c.perfDataObject[0].DirtyPageThreshold,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.fastReadNotPossiblesTotal,
 		prometheus.CounterValue,
-		cacheData[fastReadNotPossiblesTotal].FirstValue,
+		c.perfDataObject[0].FastReadNotPossiblesTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.fastReadResourceMissesTotal,
 		prometheus.CounterValue,
-		cacheData[fastReadResourceMissesTotal].FirstValue,
+		c.perfDataObject[0].FastReadResourceMissesTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.fastReadsTotal,
 		prometheus.CounterValue,
-		cacheData[fastReadsTotal].FirstValue,
+		c.perfDataObject[0].FastReadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.lazyWriteFlushesTotal,
 		prometheus.CounterValue,
-		cacheData[lazyWriteFlushesTotal].FirstValue,
+		c.perfDataObject[0].LazyWriteFlushesTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.lazyWritePagesTotal,
 		prometheus.CounterValue,
-		cacheData[lazyWritePagesTotal].FirstValue,
+		c.perfDataObject[0].LazyWritePagesTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.mdlReadHitsTotal,
 		prometheus.CounterValue,
-		cacheData[mdlReadHitsTotal].FirstValue,
+		c.perfDataObject[0].MdlReadHitsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.mdlReadsTotal,
 		prometheus.CounterValue,
-		cacheData[mdlReadsTotal].FirstValue,
+		c.perfDataObject[0].MdlReadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.pinReadHitsTotal,
 		prometheus.CounterValue,
-		cacheData[pinReadHitsTotal].FirstValue,
+		c.perfDataObject[0].PinReadHitsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.pinReadsTotal,
 		prometheus.CounterValue,
-		cacheData[pinReadsTotal].FirstValue,
+		c.perfDataObject[0].PinReadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.readAheadsTotal,
 		prometheus.CounterValue,
-		cacheData[readAheadsTotal].FirstValue,
+		c.perfDataObject[0].ReadAheadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.syncCopyReadsTotal,
 		prometheus.CounterValue,
-		cacheData[syncCopyReadsTotal].FirstValue,
+		c.perfDataObject[0].SyncCopyReadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.syncDataMapsTotal,
 		prometheus.CounterValue,
-		cacheData[syncDataMapsTotal].FirstValue,
+		c.perfDataObject[0].SyncDataMapsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.syncFastReadsTotal,
 		prometheus.CounterValue,
-		cacheData[syncFastReadsTotal].FirstValue,
+		c.perfDataObject[0].SyncFastReadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.syncMDLReadsTotal,
 		prometheus.CounterValue,
-		cacheData[syncMDLReadsTotal].FirstValue,
+		c.perfDataObject[0].SyncMDLReadsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.syncPinReadsTotal,
 		prometheus.CounterValue,
-		cacheData[syncPinReadsTotal].FirstValue,
+		c.perfDataObject[0].SyncPinReadsTotal,
 	)
 
 	return nil

internal/collector/cache/cache_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, cache.Name, cache.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, cache.New, nil)
+}

internal/collector/cache/const.go

@@ -1,50 +0,0 @@
-// Copyright 2024 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build windows
-
-package cache
-
-// Perflib "Cache":
-// - https://docs.microsoft.com/en-us/previous-versions/aa394267(v=vs.85)
-const (
-	asyncCopyReadsTotal         = "Async Copy Reads/sec"
-	asyncDataMapsTotal          = "Async Data Maps/sec"
-	asyncFastReadsTotal         = "Async Fast Reads/sec"
-	asyncMDLReadsTotal          = "Async MDL Reads/sec"
-	asyncPinReadsTotal          = "Async Pin Reads/sec"
-	copyReadHitsTotal           = "Copy Read Hits %"
-	copyReadsTotal              = "Copy Reads/sec"
-	dataFlushesTotal            = "Data Flushes/sec"
-	dataFlushPagesTotal         = "Data Flush Pages/sec"
-	dataMapHitsPercent          = "Data Map Hits %"
-	dataMapPinsTotal            = "Data Map Pins/sec"
-	dataMapsTotal               = "Data Maps/sec"
-	dirtyPages                  = "Dirty Pages"
-	dirtyPageThreshold          = "Dirty Page Threshold"
-	fastReadNotPossiblesTotal   = "Fast Read Not Possibles/sec"
-	fastReadResourceMissesTotal = "Fast Read Resource Misses/sec"
-	fastReadsTotal              = "Fast Reads/sec"
-	lazyWriteFlushesTotal       = "Lazy Write Flushes/sec"
-	lazyWritePagesTotal         = "Lazy Write Pages/sec"
-	mdlReadHitsTotal            = "MDL Read Hits %"
-	mdlReadsTotal               = "MDL Reads/sec"
-	pinReadHitsTotal            = "Pin Read Hits %"
-	pinReadsTotal               = "Pin Reads/sec"
-	readAheadsTotal             = "Read Aheads/sec"
-	syncCopyReadsTotal          = "Sync Copy Reads/sec"
-	syncDataMapsTotal           = "Sync Data Maps/sec"
-	syncFastReadsTotal          = "Sync Fast Reads/sec"
-	syncMDLReadsTotal           = "Sync MDL Reads/sec"
-	syncPinReadsTotal           = "Sync Pin Reads/sec"
-)

internal/collector/cache/types.go

@@ -0,0 +1,50 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build windows
+
+package cache
+
+// Perflib "Cache":
+// - https://docs.microsoft.com/en-us/previous-versions/aa394267(v=vs.85)
+type perfDataCounterValues struct {
+	AsyncCopyReadsTotal         float64 `perfdata:"Async Copy Reads/sec"`
+	AsyncDataMapsTotal          float64 `perfdata:"Async Data Maps/sec"`
+	AsyncFastReadsTotal         float64 `perfdata:"Async Fast Reads/sec"`
+	AsyncMDLReadsTotal          float64 `perfdata:"Async MDL Reads/sec"`
+	AsyncPinReadsTotal          float64 `perfdata:"Async Pin Reads/sec"`
+	CopyReadHitsTotal           float64 `perfdata:"Copy Read Hits %"`
+	CopyReadsTotal              float64 `perfdata:"Copy Reads/sec"`
+	DataFlushesTotal            float64 `perfdata:"Data Flushes/sec"`
+	DataFlushPagesTotal         float64 `perfdata:"Data Flush Pages/sec"`
+	DataMapHitsPercent          float64 `perfdata:"Data Map Hits %"`
+	DataMapPinsTotal            float64 `perfdata:"Data Map Pins/sec"`
+	DataMapsTotal               float64 `perfdata:"Data Maps/sec"`
+	DirtyPages                  float64 `perfdata:"Dirty Pages"`
+	DirtyPageThreshold          float64 `perfdata:"Dirty Page Threshold"`
+	FastReadNotPossiblesTotal   float64 `perfdata:"Fast Read Not Possibles/sec"`
+	FastReadResourceMissesTotal float64 `perfdata:"Fast Read Resource Misses/sec"`
+	FastReadsTotal              float64 `perfdata:"Fast Reads/sec"`
+	LazyWriteFlushesTotal       float64 `perfdata:"Lazy Write Flushes/sec"`
+	LazyWritePagesTotal         float64 `perfdata:"Lazy Write Pages/sec"`
+	MdlReadHitsTotal            float64 `perfdata:"MDL Read Hits %"`
+	MdlReadsTotal               float64 `perfdata:"MDL Reads/sec"`
+	PinReadHitsTotal            float64 `perfdata:"Pin Read Hits %"`
+	PinReadsTotal               float64 `perfdata:"Pin Reads/sec"`
+	ReadAheadsTotal             float64 `perfdata:"Read Aheads/sec"`
+	SyncCopyReadsTotal          float64 `perfdata:"Sync Copy Reads/sec"`
+	SyncDataMapsTotal           float64 `perfdata:"Sync Data Maps/sec"`
+	SyncFastReadsTotal          float64 `perfdata:"Sync Fast Reads/sec"`
+	SyncMDLReadsTotal           float64 `perfdata:"Sync MDL Reads/sec"`
+	SyncPinReadsTotal           float64 `perfdata:"Sync Pin Reads/sec"`
+}

internal/collector/container/container.go

@@ -24,7 +24,7 @@ import (
 	"github.com/Microsoft/hcsshim"
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -322,19 +322,19 @@ func (c *Collector) collectContainer(ch chan<- prometheus.Metric, containerDetai
 	ch <- prometheus.MustNewConstMetric(
 		c.runtimeTotal,
 		prometheus.CounterValue,
-		float64(containerStats.Processor.TotalRuntime100ns)*perfdata.TicksToSecondScaleFactor,
+		float64(containerStats.Processor.TotalRuntime100ns)*pdh.TicksToSecondScaleFactor,
 		containerIdWithPrefix,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.runtimeUser,
 		prometheus.CounterValue,
-		float64(containerStats.Processor.RuntimeUser100ns)*perfdata.TicksToSecondScaleFactor,
+		float64(containerStats.Processor.RuntimeUser100ns)*pdh.TicksToSecondScaleFactor,
 		containerIdWithPrefix,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.runtimeKernel,
 		prometheus.CounterValue,
-		float64(containerStats.Processor.RuntimeKernel100ns)*perfdata.TicksToSecondScaleFactor,
+		float64(containerStats.Processor.RuntimeKernel100ns)*pdh.TicksToSecondScaleFactor,
 		containerIdWithPrefix,
 	)
 	ch <- prometheus.MustNewConstMetric(

internal/collector/container/container_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, container.Name, container.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, container.New, nil)
+}

internal/collector/cpu/const.go

@@ -1,43 +0,0 @@
-// Copyright 2024 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build windows
-
-package cpu
-
-// Processor performance counters.
-const (
-	c1TimeSeconds            = "% C1 Time"
-	c2TimeSeconds            = "% C2 Time"
-	c3TimeSeconds            = "% C3 Time"
-	c1TransitionsTotal       = "C1 Transitions/sec"
-	c2TransitionsTotal       = "C2 Transitions/sec"
-	c3TransitionsTotal       = "C3 Transitions/sec"
-	clockInterruptsTotal     = "Clock Interrupts/sec"
-	dpcQueuedPerSecond       = "DPCs Queued/sec"
-	dpcTimeSeconds           = "% DPC Time"
-	idleBreakEventsTotal     = "Idle Break Events/sec"
-	idleTimeSeconds          = "% Idle Time"
-	interruptsTotal          = "Interrupts/sec"
-	interruptTimeSeconds     = "% Interrupt Time"
-	parkingStatus            = "Parking Status"
-	performanceLimitPercent  = "% Performance Limit"
-	priorityTimeSeconds      = "% Priority Time"
-	privilegedTimeSeconds    = "% Privileged Time"
-	privilegedUtilitySeconds = "% Privileged Utility"
-	processorFrequencyMHz    = "Processor Frequency"
-	processorPerformance     = "% Processor Performance"
-	processorTimeSeconds     = "% Processor Time"
-	processorUtilityRate     = "% Processor Utility"
-	userTimeSeconds          = "% User Time"
-)

internal/collector/cpu/cpu.go

@@ -22,7 +22,7 @@ import (
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus-community/windows_exporter/internal/utils"
 	"github.com/prometheus/client_golang/prometheus"
@@ -38,7 +38,8 @@ var ConfigDefaults = Config{}
 type Collector struct {
 	config Config
 
-	perfDataCollector *perfdata.Collector
+	perfDataCollector *pdh.Collector
+	perfDataObject    []perfDataCounterValues
 
 	mu sync.Mutex
 
@@ -92,31 +93,7 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 
 	c.mu = sync.Mutex{}
 
-	c.perfDataCollector, err = perfdata.NewCollector("Processor Information", perfdata.InstancesAll, []string{
-		c1TimeSeconds,
-		c2TimeSeconds,
-		c3TimeSeconds,
-		c1TransitionsTotal,
-		c2TransitionsTotal,
-		c3TransitionsTotal,
-		clockInterruptsTotal,
-		dpcQueuedPerSecond,
-		dpcTimeSeconds,
-		idleBreakEventsTotal,
-		idleTimeSeconds,
-		interruptsTotal,
-		interruptTimeSeconds,
-		parkingStatus,
-		performanceLimitPercent,
-		priorityTimeSeconds,
-		privilegedTimeSeconds,
-		privilegedUtilitySeconds,
-		processorFrequencyMHz,
-		processorPerformance,
-		processorTimeSeconds,
-		processorUtilityRate,
-		userTimeSeconds,
-	})
+	c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues]("Processor Information", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Processor Information collector: %w", err)
 	}
@@ -216,14 +193,15 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 	c.mu.Lock() // Lock is needed to prevent concurrent map access to c.processorRTCValues
 	defer c.mu.Unlock()
 
-	data, err := c.perfDataCollector.Collect()
+	err := c.perfDataCollector.Collect(&c.perfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect Processor Information metrics: %w", err)
 	}
 
 	var coreCount float64
 
-	for core, coreData := range data {
+	for _, coreData := range c.perfDataObject {
+		core := coreData.Name
 		coreCount++
 
 		var (
@@ -233,17 +211,17 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 		)
 
 		if counterProcessorRTCValues, ok = c.processorRTCValues[core]; ok {
-			counterProcessorRTCValues.AddValue(uint32(coreData[processorUtilityRate].SecondValue))
+			counterProcessorRTCValues.AddValue(uint32(coreData.ProcessorUtilityRateSecondValue))
 		} else {
-			counterProcessorRTCValues = utils.NewCounter(uint32(coreData[privilegedUtilitySeconds].SecondValue))
+			counterProcessorRTCValues = utils.NewCounter(uint32(coreData.ProcessorUtilityRateSecondValue))
 		}
 
 		c.processorRTCValues[core] = counterProcessorRTCValues
 
 		if counterProcessorMPerfValues, ok = c.processorMPerfValues[core]; ok {
-			counterProcessorMPerfValues.AddValue(uint32(coreData[processorPerformance].SecondValue))
+			counterProcessorMPerfValues.AddValue(uint32(coreData.ProcessorPerformanceSecondValue))
 		} else {
-			counterProcessorMPerfValues = utils.NewCounter(uint32(coreData[processorPerformance].SecondValue))
+			counterProcessorMPerfValues = utils.NewCounter(uint32(coreData.ProcessorPerformanceSecondValue))
 		}
 
 		c.processorMPerfValues[core] = counterProcessorMPerfValues
@@ -251,95 +229,95 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 		ch <- prometheus.MustNewConstMetric(
 			c.cStateSecondsTotal,
 			prometheus.CounterValue,
-			coreData[c1TimeSeconds].FirstValue,
+			coreData.C1TimeSeconds,
 			core, "c1",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.cStateSecondsTotal,
 			prometheus.CounterValue,
-			coreData[c2TimeSeconds].FirstValue,
+			coreData.C2TimeSeconds,
 			core, "c2",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.cStateSecondsTotal,
 			prometheus.CounterValue,
-			coreData[c3TimeSeconds].FirstValue,
+			coreData.C3TimeSeconds,
 			core, "c3",
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.timeTotal,
 			prometheus.CounterValue,
-			coreData[idleTimeSeconds].FirstValue,
+			coreData.IdleTimeSeconds,
 			core, "idle",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.timeTotal,
 			prometheus.CounterValue,
-			coreData[interruptTimeSeconds].FirstValue,
+			coreData.InterruptTimeSeconds,
 			core, "interrupt",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.timeTotal,
 			prometheus.CounterValue,
-			coreData[dpcTimeSeconds].FirstValue,
+			coreData.DpcTimeSeconds,
 			core, "dpc",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.timeTotal,
 			prometheus.CounterValue,
-			coreData[privilegedTimeSeconds].FirstValue,
+			coreData.PrivilegedTimeSeconds,
 			core, "privileged",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.timeTotal,
 			prometheus.CounterValue,
-			coreData[userTimeSeconds].FirstValue,
+			coreData.UserTimeSeconds,
 			core, "user",
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.interruptsTotal,
 			prometheus.CounterValue,
-			coreData[interruptsTotal].FirstValue,
+			coreData.InterruptsTotal,
 			core,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.dpcsTotal,
 			prometheus.CounterValue,
-			coreData[dpcQueuedPerSecond].FirstValue,
+			coreData.DpcQueuedPerSecond,
 			core,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.clockInterruptsTotal,
 			prometheus.CounterValue,
-			coreData[clockInterruptsTotal].FirstValue,
+			coreData.ClockInterruptsTotal,
 			core,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.idleBreakEventsTotal,
 			prometheus.CounterValue,
-			coreData[idleBreakEventsTotal].FirstValue,
+			coreData.IdleBreakEventsTotal,
 			core,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.parkingStatus,
 			prometheus.GaugeValue,
-			coreData[parkingStatus].FirstValue,
+			coreData.ParkingStatus,
 			core,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.processorFrequencyMHz,
 			prometheus.GaugeValue,
-			coreData[processorFrequencyMHz].FirstValue,
+			coreData.ProcessorFrequencyMHz,
 			core,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.processorPerformance,
 			prometheus.CounterValue,
-			coreData[processorPerformance].FirstValue,
+			coreData.ProcessorPerformance,
 			core,
 		)
 		ch <- prometheus.MustNewConstMetric(
@@ -357,13 +335,13 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 		ch <- prometheus.MustNewConstMetric(
 			c.processorUtility,
 			prometheus.CounterValue,
-			coreData[processorUtilityRate].FirstValue,
+			coreData.ProcessorUtilityRate,
 			core,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.processorPrivilegedUtility,
 			prometheus.CounterValue,
-			coreData[privilegedUtilitySeconds].FirstValue,
+			coreData.PrivilegedUtilitySeconds,
 			core,
 		)
 	}

internal/collector/cpu/types.go

@@ -0,0 +1,47 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build windows
+
+package cpu
+
+// Processor performance counters.
+type perfDataCounterValues struct {
+	Name string
+
+	C1TimeSeconds                   float64 `perfdata:"% C1 Time"`
+	C2TimeSeconds                   float64 `perfdata:"% C2 Time"`
+	C3TimeSeconds                   float64 `perfdata:"% C3 Time"`
+	C1TransitionsTotal              float64 `perfdata:"C1 Transitions/sec"`
+	C2TransitionsTotal              float64 `perfdata:"C2 Transitions/sec"`
+	C3TransitionsTotal              float64 `perfdata:"C3 Transitions/sec"`
+	ClockInterruptsTotal            float64 `perfdata:"Clock Interrupts/sec"`
+	DpcQueuedPerSecond              float64 `perfdata:"DPCs Queued/sec"`
+	DpcTimeSeconds                  float64 `perfdata:"% DPC Time"`
+	IdleBreakEventsTotal            float64 `perfdata:"Idle Break Events/sec"`
+	IdleTimeSeconds                 float64 `perfdata:"% Idle Time"`
+	InterruptsTotal                 float64 `perfdata:"Interrupts/sec"`
+	InterruptTimeSeconds            float64 `perfdata:"% Interrupt Time"`
+	ParkingStatus                   float64 `perfdata:"Parking Status"`
+	PerformanceLimitPercent         float64 `perfdata:"% Performance Limit"`
+	PriorityTimeSeconds             float64 `perfdata:"% Priority Time"`
+	PrivilegedTimeSeconds           float64 `perfdata:"% Privileged Time"`
+	PrivilegedUtilitySeconds        float64 `perfdata:"% Privileged Utility"`
+	ProcessorFrequencyMHz           float64 `perfdata:"Processor Frequency"`
+	ProcessorPerformance            float64 `perfdata:"% Processor Performance"`
+	ProcessorPerformanceSecondValue float64 `perfdata:"% Processor Performance,secondvalue"`
+	ProcessorTimeSeconds            float64 `perfdata:"% Processor Time"`
+	ProcessorUtilityRate            float64 `perfdata:"% Processor Utility"`
+	ProcessorUtilityRateSecondValue float64 `perfdata:"% Processor Utility,secondvalue"`
+	UserTimeSeconds                 float64 `perfdata:"% User Time"`
+}

internal/collector/cs/cs_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, cs.Name, cs.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, cs.New, nil)
+}

internal/collector/dfsr/const.go

@@ -1,57 +0,0 @@
-// Copyright 2024 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build windows
-
-package dfsr
-
-const (
-	// Connection Perflib: "DFS Replication Service Connections".
-	bytesReceivedTotal = "Total Bytes Received"
-
-	// Folder Perflib: "DFS Replicated Folder".
-	bandwidthSavingsUsingDFSReplicationTotal = "Bandwidth Savings Using DFS Replication"
-	compressedSizeOfFilesReceivedTotal       = "Compressed Size of Files Received"
-	conflictBytesCleanedUpTotal              = "Conflict Bytes Cleaned Up"
-	conflictBytesGeneratedTotal              = "Conflict Bytes Generated"
-	conflictFilesCleanedUpTotal              = "Conflict Files Cleaned Up"
-	conflictFilesGeneratedTotal              = "Conflict Files Generated"
-	conflictFolderCleanupsCompletedTotal     = "Conflict folder Cleanups Completed"
-	conflictSpaceInUse                       = "Conflict Space In Use"
-	deletedSpaceInUse                        = "Deleted Space In Use"
-	deletedBytesCleanedUpTotal               = "Deleted Bytes Cleaned Up"
-	deletedBytesGeneratedTotal               = "Deleted Bytes Generated"
-	deletedFilesCleanedUpTotal               = "Deleted Files Cleaned Up"
-	deletedFilesGeneratedTotal               = "Deleted Files Generated"
-	fileInstallsRetriedTotal                 = "File Installs Retried"
-	fileInstallsSucceededTotal               = "File Installs Succeeded"
-	filesReceivedTotal                       = "Total Files Received"
-	rdcBytesReceivedTotal                    = "RDC Bytes Received"
-	rdcCompressedSizeOfFilesReceivedTotal    = "RDC Compressed Size of Files Received"
-	rdcNumberOfFilesReceivedTotal            = "RDC Number of Files Received"
-	rdcSizeOfFilesReceivedTotal              = "RDC Size of Files Received"
-	sizeOfFilesReceivedTotal                 = "Size of Files Received"
-	stagingSpaceInUse                        = "Staging Space In Use"
-	stagingBytesCleanedUpTotal               = "Staging Bytes Cleaned Up"
-	stagingBytesGeneratedTotal               = "Staging Bytes Generated"
-	stagingFilesCleanedUpTotal               = "Staging Files Cleaned Up"
-	stagingFilesGeneratedTotal               = "Staging Files Generated"
-	updatesDroppedTotal                      = "Updates Dropped"
-
-	// Volume Perflib: "DFS Replication Service Volumes".
-	databaseCommitsTotal           = "Database Commits"
-	databaseLookupsTotal           = "Database Lookups"
-	usnJournalRecordsReadTotal     = "USN Journal Records Read"
-	usnJournalRecordsAcceptedTotal = "USN Journal Records Accepted"
-	usnJournalUnreadPercentage     = "USN Journal Unread Percentage"
-)

internal/collector/dfsr/dfsr.go

@@ -24,7 +24,7 @@ import (
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -44,9 +44,12 @@ var ConfigDefaults = Config{
 type Collector struct {
 	config Config
 
-	perfDataCollectorConnection *perfdata.Collector
-	perfDataCollectorFolder     *perfdata.Collector
-	perfDataCollectorVolume     *perfdata.Collector
+	perfDataCollectorConnection *pdh.Collector
+	perfDataCollectorFolder     *pdh.Collector
+	perfDataCollectorVolume     *pdh.Collector
+	perfDataObjectConnection    []perfDataCounterValuesConnection
+	perfDataObjectFolder        []perfDataCounterValuesFolder
+	perfDataObjectVolume        []perfDataCounterValuesVolume
 
 	// connection source
 	connectionBandwidthSavingsUsingDFSReplicationTotal *prometheus.Desc
@@ -160,69 +163,26 @@ func (c *Collector) Build(logger *slog.Logger, _ *mi.Session) error {
 	var err error
 
 	if slices.Contains(c.config.CollectorsEnabled, "connection") {
-		c.perfDataCollectorConnection, err = perfdata.NewCollector("DFS Replication Connections", perfdata.InstancesAll, []string{
-			bandwidthSavingsUsingDFSReplicationTotal,
-			bytesReceivedTotal,
-			compressedSizeOfFilesReceivedTotal,
-			filesReceivedTotal,
-			rdcBytesReceivedTotal,
-			rdcCompressedSizeOfFilesReceivedTotal,
-			rdcNumberOfFilesReceivedTotal,
-			rdcSizeOfFilesReceivedTotal,
-			sizeOfFilesReceivedTotal,
-		})
+		c.perfDataCollectorConnection, err = pdh.NewCollector[perfDataCounterValuesConnection]("DFS Replication Connections", pdh.InstancesAll)
 		if err != nil {
 			return fmt.Errorf("failed to create DFS Replication Connections collector: %w", err)
 		}
 	}
 
 	if slices.Contains(c.config.CollectorsEnabled, "folder") {
-		c.perfDataCollectorFolder, err = perfdata.NewCollector("DFS Replicated Folders", perfdata.InstancesAll, []string{
-			bandwidthSavingsUsingDFSReplicationTotal,
-			compressedSizeOfFilesReceivedTotal,
-			conflictBytesCleanedUpTotal,
-			conflictBytesGeneratedTotal,
-			conflictFilesCleanedUpTotal,
-			conflictFilesGeneratedTotal,
-			conflictFolderCleanupsCompletedTotal,
-			conflictSpaceInUse,
-			deletedSpaceInUse,
-			deletedBytesCleanedUpTotal,
-			deletedBytesGeneratedTotal,
-			deletedFilesCleanedUpTotal,
-			deletedFilesGeneratedTotal,
-			fileInstallsRetriedTotal,
-			fileInstallsSucceededTotal,
-			filesReceivedTotal,
-			rdcBytesReceivedTotal,
-			rdcCompressedSizeOfFilesReceivedTotal,
-			rdcNumberOfFilesReceivedTotal,
-			rdcSizeOfFilesReceivedTotal,
-			sizeOfFilesReceivedTotal,
-			stagingSpaceInUse,
-			stagingBytesCleanedUpTotal,
-			stagingBytesGeneratedTotal,
-			stagingFilesCleanedUpTotal,
-			stagingFilesGeneratedTotal,
-			updatesDroppedTotal,
-		})
+		c.perfDataCollectorFolder, err = pdh.NewCollector[perfDataCounterValuesFolder]("DFS Replicated Folders", pdh.InstancesAll)
 		if err != nil {
 			return fmt.Errorf("failed to create DFS Replicated Folders collector: %w", err)
 		}
 	}
 
 	if slices.Contains(c.config.CollectorsEnabled, "volume") {
-		c.perfDataCollectorVolume, err = perfdata.NewCollector("DFS Replication Service Volumes", perfdata.InstancesAll, []string{
-			databaseCommitsTotal,
-			databaseLookupsTotal,
-			usnJournalRecordsReadTotal,
-			usnJournalRecordsAcceptedTotal,
-			usnJournalUnreadPercentage,
-		})
+		c.perfDataCollectorVolume, err = pdh.NewCollector[perfDataCounterValuesVolume]("DFS Replication Service Volumes", pdh.InstancesAll)
 		if err != nil {
 			return fmt.Errorf("failed to create DFS Replication Service Volumes collector: %w", err)
 		}
 	}
+
 	// connection
 	c.connectionBandwidthSavingsUsingDFSReplicationTotal = prometheus.NewDesc(
 		prometheus.BuildFQName(types.Namespace, Name, "connection_bandwidth_savings_using_dfs_replication_bytes_total"),
@@ -537,76 +497,74 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 }
 
 func (c *Collector) collectPDHConnection(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorConnection.Collect()
+	err := c.perfDataCollectorConnection.Collect(&c.perfDataObjectConnection)
 	if err != nil {
 		return fmt.Errorf("failed to collect DFS Replication Connections metrics: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect DFS Replication Connections metrics: %w", types.ErrNoData)
-	}
+	for _, connection := range c.perfDataObjectConnection {
+		name := connection.Name
 
-	for name, connection := range perfData {
 		ch <- prometheus.MustNewConstMetric(
 			c.connectionBandwidthSavingsUsingDFSReplicationTotal,
 			prometheus.CounterValue,
-			connection[bandwidthSavingsUsingDFSReplicationTotal].FirstValue,
+			connection.BandwidthSavingsUsingDFSReplicationTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.connectionBytesReceivedTotal,
 			prometheus.CounterValue,
-			connection[bytesReceivedTotal].FirstValue,
+			connection.BytesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.connectionCompressedSizeOfFilesReceivedTotal,
 			prometheus.CounterValue,
-			connection[compressedSizeOfFilesReceivedTotal].FirstValue,
+			connection.CompressedSizeOfFilesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.connectionFilesReceivedTotal,
 			prometheus.CounterValue,
-			connection[filesReceivedTotal].FirstValue,
+			connection.FilesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.connectionRDCBytesReceivedTotal,
 			prometheus.CounterValue,
-			connection[rdcBytesReceivedTotal].FirstValue,
+			connection.RdcBytesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.connectionRDCCompressedSizeOfFilesReceivedTotal,
 			prometheus.CounterValue,
-			connection[rdcCompressedSizeOfFilesReceivedTotal].FirstValue,
+			connection.RdcCompressedSizeOfFilesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.connectionRDCSizeOfFilesReceivedTotal,
 			prometheus.CounterValue,
-			connection[rdcSizeOfFilesReceivedTotal].FirstValue,
+			connection.RdcSizeOfFilesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.connectionRDCNumberOfFilesReceivedTotal,
 			prometheus.CounterValue,
-			connection[rdcNumberOfFilesReceivedTotal].FirstValue,
+			connection.RdcNumberOfFilesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.connectionSizeOfFilesReceivedTotal,
 			prometheus.CounterValue,
-			connection[sizeOfFilesReceivedTotal].FirstValue,
+			connection.SizeOfFilesReceivedTotal,
 			name,
 		)
 	}
@@ -615,202 +573,200 @@ func (c *Collector) collectPDHConnection(ch chan<- prometheus.Metric) error {
 }
 
 func (c *Collector) collectPDHFolder(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorFolder.Collect()
+	err := c.perfDataCollectorFolder.Collect(&c.perfDataObjectFolder)
 	if err != nil {
 		return fmt.Errorf("failed to collect DFS Replicated Folders metrics: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect DFS Replicated Folders metrics: %w", types.ErrNoData)
-	}
+	for _, folder := range c.perfDataObjectFolder {
+		name := folder.Name
 
-	for name, folder := range perfData {
 		ch <- prometheus.MustNewConstMetric(
 			c.folderBandwidthSavingsUsingDFSReplicationTotal,
 			prometheus.CounterValue,
-			folder[bandwidthSavingsUsingDFSReplicationTotal].FirstValue,
+			folder.BandwidthSavingsUsingDFSReplicationTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderCompressedSizeOfFilesReceivedTotal,
 			prometheus.CounterValue,
-			folder[compressedSizeOfFilesReceivedTotal].FirstValue,
+			folder.CompressedSizeOfFilesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderConflictBytesCleanedUpTotal,
 			prometheus.CounterValue,
-			folder[conflictBytesCleanedUpTotal].FirstValue,
+			folder.ConflictBytesCleanedUpTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderConflictBytesGeneratedTotal,
 			prometheus.CounterValue,
-			folder[conflictBytesGeneratedTotal].FirstValue,
+			folder.ConflictBytesGeneratedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderConflictFilesCleanedUpTotal,
 			prometheus.CounterValue,
-			folder[conflictFilesCleanedUpTotal].FirstValue,
+			folder.ConflictFilesCleanedUpTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderConflictFilesGeneratedTotal,
 			prometheus.CounterValue,
-			folder[conflictFilesGeneratedTotal].FirstValue,
+			folder.ConflictFilesGeneratedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderConflictFolderCleanupsCompletedTotal,
 			prometheus.CounterValue,
-			folder[conflictFolderCleanupsCompletedTotal].FirstValue,
+			folder.ConflictFolderCleanupsCompletedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderConflictSpaceInUse,
 			prometheus.GaugeValue,
-			folder[conflictSpaceInUse].FirstValue,
+			folder.ConflictSpaceInUse,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderDeletedSpaceInUse,
 			prometheus.GaugeValue,
-			folder[deletedSpaceInUse].FirstValue,
+			folder.DeletedSpaceInUse,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderDeletedBytesCleanedUpTotal,
 			prometheus.CounterValue,
-			folder[deletedBytesCleanedUpTotal].FirstValue,
+			folder.DeletedBytesCleanedUpTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderDeletedBytesGeneratedTotal,
 			prometheus.CounterValue,
-			folder[deletedBytesGeneratedTotal].FirstValue,
+			folder.DeletedBytesGeneratedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderDeletedFilesCleanedUpTotal,
 			prometheus.CounterValue,
-			folder[deletedFilesCleanedUpTotal].FirstValue,
+			folder.DeletedFilesCleanedUpTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderDeletedFilesGeneratedTotal,
 			prometheus.CounterValue,
-			folder[deletedFilesGeneratedTotal].FirstValue,
+			folder.DeletedFilesGeneratedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderFileInstallsRetriedTotal,
 			prometheus.CounterValue,
-			folder[fileInstallsRetriedTotal].FirstValue,
+			folder.FileInstallsRetriedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderFileInstallsSucceededTotal,
 			prometheus.CounterValue,
-			folder[fileInstallsSucceededTotal].FirstValue,
+			folder.FileInstallsSucceededTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderFilesReceivedTotal,
 			prometheus.CounterValue,
-			folder[filesReceivedTotal].FirstValue,
+			folder.FilesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderRDCBytesReceivedTotal,
 			prometheus.CounterValue,
-			folder[rdcBytesReceivedTotal].FirstValue,
+			folder.RdcBytesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderRDCCompressedSizeOfFilesReceivedTotal,
 			prometheus.CounterValue,
-			folder[rdcCompressedSizeOfFilesReceivedTotal].FirstValue,
+			folder.RdcCompressedSizeOfFilesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderRDCNumberOfFilesReceivedTotal,
 			prometheus.CounterValue,
-			folder[rdcNumberOfFilesReceivedTotal].FirstValue,
+			folder.RdcNumberOfFilesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderRDCSizeOfFilesReceivedTotal,
 			prometheus.CounterValue,
-			folder[rdcSizeOfFilesReceivedTotal].FirstValue,
+			folder.RdcSizeOfFilesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderSizeOfFilesReceivedTotal,
 			prometheus.CounterValue,
-			folder[sizeOfFilesReceivedTotal].FirstValue,
+			folder.SizeOfFilesReceivedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderStagingSpaceInUse,
 			prometheus.GaugeValue,
-			folder[stagingSpaceInUse].FirstValue,
+			folder.StagingSpaceInUse,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderStagingBytesCleanedUpTotal,
 			prometheus.CounterValue,
-			folder[stagingBytesCleanedUpTotal].FirstValue,
+			folder.StagingBytesCleanedUpTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderStagingBytesGeneratedTotal,
 			prometheus.CounterValue,
-			folder[stagingBytesGeneratedTotal].FirstValue,
+			folder.StagingBytesGeneratedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderStagingFilesCleanedUpTotal,
 			prometheus.CounterValue,
-			folder[stagingFilesCleanedUpTotal].FirstValue,
+			folder.StagingFilesCleanedUpTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderStagingFilesGeneratedTotal,
 			prometheus.CounterValue,
-			folder[stagingFilesGeneratedTotal].FirstValue,
+			folder.StagingFilesGeneratedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.folderUpdatesDroppedTotal,
 			prometheus.CounterValue,
-			folder[updatesDroppedTotal].FirstValue,
+			folder.UpdatesDroppedTotal,
 			name,
 		)
 	}
@@ -819,48 +775,45 @@ func (c *Collector) collectPDHFolder(ch chan<- prometheus.Metric) error {
 }
 
 func (c *Collector) collectPDHVolume(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorVolume.Collect()
+	err := c.perfDataCollectorVolume.Collect(&c.perfDataObjectVolume)
 	if err != nil {
 		return fmt.Errorf("failed to collect DFS Replication Volumes metrics: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect DFS Replication Volumes metrics: %w", types.ErrNoData)
-	}
-
-	for name, volume := range perfData {
+	for _, volume := range c.perfDataObjectVolume {
+		name := volume.Name
 		ch <- prometheus.MustNewConstMetric(
 			c.volumeDatabaseLookupsTotal,
 			prometheus.CounterValue,
-			volume[databaseLookupsTotal].FirstValue,
+			volume.DatabaseLookupsTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.volumeDatabaseCommitsTotal,
 			prometheus.CounterValue,
-			volume[databaseCommitsTotal].FirstValue,
+			volume.DatabaseCommitsTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.volumeUSNJournalRecordsAcceptedTotal,
 			prometheus.CounterValue,
-			volume[usnJournalRecordsAcceptedTotal].FirstValue,
+			volume.UsnJournalRecordsAcceptedTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.volumeUSNJournalRecordsReadTotal,
 			prometheus.CounterValue,
-			volume[usnJournalRecordsReadTotal].FirstValue,
+			volume.UsnJournalRecordsReadTotal,
 			name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.volumeUSNJournalUnreadPercentage,
 			prometheus.GaugeValue,
-			volume[usnJournalUnreadPercentage].FirstValue,
+			volume.UsnJournalUnreadPercentage,
 			name,
 		)
 	}

internal/collector/dfsr/dfsr_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, dfsr.Name, dfsr.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, dfsr.New, nil)
+}

internal/collector/dfsr/types.go

@@ -0,0 +1,75 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build windows
+
+package dfsr
+
+// Connection Perflib: "DFS Replication Service Connections".
+type perfDataCounterValuesConnection struct {
+	Name string
+
+	BandwidthSavingsUsingDFSReplicationTotal float64 `perfdata:"Bandwidth Savings Using DFS Replication"`
+	BytesReceivedTotal                       float64 `perfdata:"Total Bytes Received"`
+	CompressedSizeOfFilesReceivedTotal       float64 `perfdata:"Compressed Size of Files Received"`
+	FilesReceivedTotal                       float64 `perfdata:"Total Files Received"`
+	RdcBytesReceivedTotal                    float64 `perfdata:"RDC Bytes Received"`
+	RdcCompressedSizeOfFilesReceivedTotal    float64 `perfdata:"RDC Compressed Size of Files Received"`
+	RdcNumberOfFilesReceivedTotal            float64 `perfdata:"RDC Number of Files Received"`
+	RdcSizeOfFilesReceivedTotal              float64 `perfdata:"RDC Size of Files Received"`
+	SizeOfFilesReceivedTotal                 float64 `perfdata:"Size of Files Received"`
+}
+
+// Folder Perflib: "DFS Replicated Folder".
+type perfDataCounterValuesFolder struct {
+	Name string
+
+	BandwidthSavingsUsingDFSReplicationTotal float64 `perfdata:"Bandwidth Savings Using DFS Replication"`
+	CompressedSizeOfFilesReceivedTotal       float64 `perfdata:"Compressed Size of Files Received"`
+	ConflictBytesCleanedUpTotal              float64 `perfdata:"Conflict Bytes Cleaned Up"`
+	ConflictBytesGeneratedTotal              float64 `perfdata:"Conflict Bytes Generated"`
+	ConflictFilesCleanedUpTotal              float64 `perfdata:"Conflict Files Cleaned Up"`
+	ConflictFilesGeneratedTotal              float64 `perfdata:"Conflict Files Generated"`
+	ConflictFolderCleanupsCompletedTotal     float64 `perfdata:"Conflict folder Cleanups Completed"`
+	ConflictSpaceInUse                       float64 `perfdata:"Conflict Space In Use"`
+	DeletedSpaceInUse                        float64 `perfdata:"Deleted Space In Use"`
+	DeletedBytesCleanedUpTotal               float64 `perfdata:"Deleted Bytes Cleaned Up"`
+	DeletedBytesGeneratedTotal               float64 `perfdata:"Deleted Bytes Generated"`
+	DeletedFilesCleanedUpTotal               float64 `perfdata:"Deleted Files Cleaned Up"`
+	DeletedFilesGeneratedTotal               float64 `perfdata:"Deleted Files Generated"`
+	FileInstallsRetriedTotal                 float64 `perfdata:"File Installs Retried"`
+	FileInstallsSucceededTotal               float64 `perfdata:"File Installs Succeeded"`
+	FilesReceivedTotal                       float64 `perfdata:"Total Files Received"`
+	RdcBytesReceivedTotal                    float64 `perfdata:"RDC Bytes Received"`
+	RdcCompressedSizeOfFilesReceivedTotal    float64 `perfdata:"RDC Compressed Size of Files Received"`
+	RdcNumberOfFilesReceivedTotal            float64 `perfdata:"RDC Number of Files Received"`
+	RdcSizeOfFilesReceivedTotal              float64 `perfdata:"RDC Size of Files Received"`
+	SizeOfFilesReceivedTotal                 float64 `perfdata:"Size of Files Received"`
+	StagingSpaceInUse                        float64 `perfdata:"Staging Space In Use"`
+	StagingBytesCleanedUpTotal               float64 `perfdata:"Staging Bytes Cleaned Up"`
+	StagingBytesGeneratedTotal               float64 `perfdata:"Staging Bytes Generated"`
+	StagingFilesCleanedUpTotal               float64 `perfdata:"Staging Files Cleaned Up"`
+	StagingFilesGeneratedTotal               float64 `perfdata:"Staging Files Generated"`
+	UpdatesDroppedTotal                      float64 `perfdata:"Updates Dropped"`
+}
+
+// Volume Perflib: "DFS Replication Service Volumes".
+type perfDataCounterValuesVolume struct {
+	Name string
+
+	DatabaseCommitsTotal           float64 `perfdata:"Database Commits"`
+	DatabaseLookupsTotal           float64 `perfdata:"Database Lookups"`
+	UsnJournalRecordsReadTotal     float64 `perfdata:"USN Journal Records Read"`
+	UsnJournalRecordsAcceptedTotal float64 `perfdata:"USN Journal Records Accepted"`
+	UsnJournalUnreadPercentage     float64 `perfdata:"USN Journal Unread Percentage"`
+}

internal/collector/dhcp/const.go

@@ -1,44 +0,0 @@
-// Copyright 2024 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build windows
-
-package dhcp
-
-const (
-	acksTotal                                        = "Acks/sec"
-	activeQueueLength                                = "Active Queue Length"
-	conflictCheckQueueLength                         = "Conflict Check Queue Length"
-	declinesTotal                                    = "Declines/sec"
-	deniedDueToMatch                                 = "Denied due to match."
-	deniedDueToNonMatch                              = "Denied due to match."
-	discoversTotal                                   = "Discovers/sec"
-	duplicatesDroppedTotal                           = "Duplicates Dropped/sec"
-	failoverBndAckReceivedTotal                      = "Failover: BndAck received/sec."
-	failoverBndAckSentTotal                          = "Failover: BndAck sent/sec."
-	failoverBndUpdDropped                            = "Failover: BndUpd Dropped."
-	failoverBndUpdPendingOutboundQueue               = "Failover: BndUpd pending in outbound queue."
-	failoverBndUpdReceivedTotal                      = "Failover: BndUpd received/sec."
-	failoverBndUpdSentTotal                          = "Failover: BndUpd sent/sec."
-	failoverTransitionsCommunicationInterruptedState = "Failover: Transitions to COMMUNICATION-INTERRUPTED state."
-	failoverTransitionsPartnerDownState              = "Failover: Transitions to PARTNER-DOWN state."
-	failoverTransitionsRecoverState                  = "Failover: Transitions to RECOVER state."
-	informsTotal                                     = "Informs/sec"
-	nacksTotal                                       = "Nacks/sec"
-	offerQueueLength                                 = "Offer Queue Length"
-	offersTotal                                      = "Offers/sec"
-	packetsExpiredTotal                              = "Packets Expired/sec"
-	packetsReceivedTotal                             = "Packets Received/sec"
-	releasesTotal                                    = "Releases/sec"
-	requestsTotal                                    = "Requests/sec"
-)

internal/collector/dhcp/dhcp.go

@@ -21,7 +21,7 @@ import (
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -37,7 +37,8 @@ var ConfigDefaults = Config{}
 type Collector struct {
 	config Config
 
-	perfDataCollector *perfdata.Collector
+	perfDataCollector *pdh.Collector
+	perfDataObject    []perfDataCounterValues
 
 	acksTotal                                        *prometheus.Desc
 	activeQueueLength                                *prometheus.Desc
@@ -95,33 +96,7 @@ func (c *Collector) Close() error {
 func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 	var err error
 
-	c.perfDataCollector, err = perfdata.NewCollector("DHCP Server", nil, []string{
-		acksTotal,
-		activeQueueLength,
-		conflictCheckQueueLength,
-		declinesTotal,
-		deniedDueToMatch,
-		deniedDueToNonMatch,
-		discoversTotal,
-		duplicatesDroppedTotal,
-		failoverBndAckReceivedTotal,
-		failoverBndAckSentTotal,
-		failoverBndUpdDropped,
-		failoverBndUpdPendingOutboundQueue,
-		failoverBndUpdReceivedTotal,
-		failoverBndUpdSentTotal,
-		failoverTransitionsCommunicationInterruptedState,
-		failoverTransitionsPartnerDownState,
-		failoverTransitionsRecoverState,
-		informsTotal,
-		nacksTotal,
-		offerQueueLength,
-		offersTotal,
-		packetsExpiredTotal,
-		packetsReceivedTotal,
-		releasesTotal,
-		requestsTotal,
-	})
+	c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues]("DHCP Server", nil)
 	if err != nil {
 		return fmt.Errorf("failed to create DHCP Server collector: %w", err)
 	}
@@ -281,164 +256,159 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 }
 
 func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollector.Collect()
+	err := c.perfDataCollector.Collect(&c.perfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect DHCP Server metrics: %w", err)
 	}
 
-	data, ok := perfData[perfdata.InstanceEmpty]
-	if !ok {
-		return fmt.Errorf("failed to collect DHCP Server metrics: %w", types.ErrNoData)
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.packetsReceivedTotal,
 		prometheus.CounterValue,
-		data[packetsReceivedTotal].FirstValue,
+		c.perfDataObject[0].PacketsReceivedTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.duplicatesDroppedTotal,
 		prometheus.CounterValue,
-		data[duplicatesDroppedTotal].FirstValue,
+		c.perfDataObject[0].DuplicatesDroppedTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.packetsExpiredTotal,
 		prometheus.CounterValue,
-		data[packetsExpiredTotal].FirstValue,
+		c.perfDataObject[0].PacketsExpiredTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.activeQueueLength,
 		prometheus.GaugeValue,
-		data[activeQueueLength].FirstValue,
+		c.perfDataObject[0].ActiveQueueLength,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.conflictCheckQueueLength,
 		prometheus.GaugeValue,
-		data[conflictCheckQueueLength].FirstValue,
+		c.perfDataObject[0].ConflictCheckQueueLength,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.discoversTotal,
 		prometheus.CounterValue,
-		data[discoversTotal].FirstValue,
+		c.perfDataObject[0].DiscoversTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.offersTotal,
 		prometheus.CounterValue,
-		data[offersTotal].FirstValue,
+		c.perfDataObject[0].OffersTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.requestsTotal,
 		prometheus.CounterValue,
-		data[requestsTotal].FirstValue,
+		c.perfDataObject[0].RequestsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.informsTotal,
 		prometheus.CounterValue,
-		data[informsTotal].FirstValue,
+		c.perfDataObject[0].InformsTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.acksTotal,
 		prometheus.CounterValue,
-		data[acksTotal].FirstValue,
+		c.perfDataObject[0].AcksTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.nACKsTotal,
 		prometheus.CounterValue,
-		data[nacksTotal].FirstValue,
+		c.perfDataObject[0].NacksTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.declinesTotal,
 		prometheus.CounterValue,
-		data[declinesTotal].FirstValue,
+		c.perfDataObject[0].DeclinesTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.releasesTotal,
 		prometheus.CounterValue,
-		data[releasesTotal].FirstValue,
+		c.perfDataObject[0].ReleasesTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.offerQueueLength,
 		prometheus.GaugeValue,
-		data[offerQueueLength].FirstValue,
+		c.perfDataObject[0].OfferQueueLength,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.deniedDueToMatch,
 		prometheus.CounterValue,
-		data[deniedDueToMatch].FirstValue,
+		c.perfDataObject[0].DeniedDueToMatch,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.deniedDueToNonMatch,
 		prometheus.CounterValue,
-		data[deniedDueToNonMatch].FirstValue,
+		c.perfDataObject[0].DeniedDueToNonMatch,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.failoverBndUpdSentTotal,
 		prometheus.CounterValue,
-		data[failoverBndUpdSentTotal].FirstValue,
+		c.perfDataObject[0].FailoverBndUpdSentTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.failoverBndUpdReceivedTotal,
 		prometheus.CounterValue,
-		data[failoverBndUpdReceivedTotal].FirstValue,
+		c.perfDataObject[0].FailoverBndUpdReceivedTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.failoverBndAckSentTotal,
 		prometheus.CounterValue,
-		data[failoverBndAckSentTotal].FirstValue,
+		c.perfDataObject[0].FailoverBndAckSentTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.failoverBndAckReceivedTotal,
 		prometheus.CounterValue,
-		data[failoverBndAckReceivedTotal].FirstValue,
+		c.perfDataObject[0].FailoverBndAckReceivedTotal,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.failoverBndUpdPendingOutboundQueue,
 		prometheus.GaugeValue,
-		data[failoverBndUpdPendingOutboundQueue].FirstValue,
+		c.perfDataObject[0].FailoverBndUpdPendingOutboundQueue,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.failoverTransitionsCommunicationInterruptedState,
 		prometheus.CounterValue,
-		data[failoverTransitionsCommunicationInterruptedState].FirstValue,
+		c.perfDataObject[0].FailoverTransitionsCommunicationInterruptedState,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.failoverTransitionsPartnerDownState,
 		prometheus.CounterValue,
-		data[failoverTransitionsPartnerDownState].FirstValue,
+		c.perfDataObject[0].FailoverTransitionsPartnerDownState,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.failoverTransitionsRecoverState,
 		prometheus.CounterValue,
-		data[failoverTransitionsRecoverState].FirstValue,
+		c.perfDataObject[0].FailoverTransitionsRecoverState,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.failoverBndUpdDropped,
 		prometheus.CounterValue,
-		data[failoverBndUpdDropped].FirstValue,
+		c.perfDataObject[0].FailoverBndUpdDropped,
 	)
 
 	return nil

internal/collector/dhcp/dhcp_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, dhcp.Name, dhcp.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, dhcp.New, nil)
+}

internal/collector/dhcp/types.go

@@ -0,0 +1,44 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build windows
+
+package dhcp
+
+type perfDataCounterValues struct {
+	AcksTotal                                        float64 `perfdata:"Acks/sec"`
+	ActiveQueueLength                                float64 `perfdata:"Active Queue Length"`
+	ConflictCheckQueueLength                         float64 `perfdata:"Conflict Check Queue Length"`
+	DeclinesTotal                                    float64 `perfdata:"Declines/sec"`
+	DeniedDueToMatch                                 float64 `perfdata:"Denied due to match."`
+	DeniedDueToNonMatch                              float64 `perfdata:"Denied due to match."`
+	DiscoversTotal                                   float64 `perfdata:"Discovers/sec"`
+	DuplicatesDroppedTotal                           float64 `perfdata:"Duplicates Dropped/sec"`
+	FailoverBndAckReceivedTotal                      float64 `perfdata:"Failover: BndAck received/sec."`
+	FailoverBndAckSentTotal                          float64 `perfdata:"Failover: BndAck sent/sec."`
+	FailoverBndUpdDropped                            float64 `perfdata:"Failover: BndUpd Dropped."`
+	FailoverBndUpdPendingOutboundQueue               float64 `perfdata:"Failover: BndUpd pending in outbound queue."`
+	FailoverBndUpdReceivedTotal                      float64 `perfdata:"Failover: BndUpd received/sec."`
+	FailoverBndUpdSentTotal                          float64 `perfdata:"Failover: BndUpd sent/sec."`
+	FailoverTransitionsCommunicationInterruptedState float64 `perfdata:"Failover: Transitions to COMMUNICATION-INTERRUPTED state."`
+	FailoverTransitionsPartnerDownState              float64 `perfdata:"Failover: Transitions to PARTNER-DOWN state."`
+	FailoverTransitionsRecoverState                  float64 `perfdata:"Failover: Transitions to RECOVER state."`
+	InformsTotal                                     float64 `perfdata:"Informs/sec"`
+	NacksTotal                                       float64 `perfdata:"Nacks/sec"`
+	OfferQueueLength                                 float64 `perfdata:"Offer Queue Length"`
+	OffersTotal                                      float64 `perfdata:"Offers/sec"`
+	PacketsExpiredTotal                              float64 `perfdata:"Packets Expired/sec"`
+	PacketsReceivedTotal                             float64 `perfdata:"Packets Received/sec"`
+	ReleasesTotal                                    float64 `perfdata:"Releases/sec"`
+	RequestsTotal                                    float64 `perfdata:"Requests/sec"`
+}

internal/collector/diskdrive/diskdrive_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, diskdrive.Name, diskdrive.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, diskdrive.New, nil)
+}

internal/collector/dns/const.go

@@ -1,107 +0,0 @@
-// Copyright 2024 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build windows
-
-package dns
-
-const (
-	_                              = "% User Time"
-	_                              = "176"
-	_                              = "Async Fast Reads/sec"
-	axfrRequestReceived            = "AXFR Request Received"
-	axfrRequestSent                = "AXFR Request Sent"
-	axfrResponseReceived           = "AXFR Response Received"
-	axfrSuccessReceived            = "AXFR Success Received"
-	axfrSuccessSent                = "AXFR Success Sent"
-	cachingMemory                  = "Caching Memory"
-	_                              = "Data Flush Pages/sec"
-	_                              = "Data Flushes/sec"
-	databaseNodeMemory             = "Database Node Memory"
-	dynamicUpdateNoOperation       = "Dynamic Update NoOperation"
-	_                              = "Dynamic Update NoOperation/sec"
-	dynamicUpdateQueued            = "Dynamic Update Queued"
-	_                              = "Dynamic Update Received"
-	_                              = "Dynamic Update Received/sec"
-	dynamicUpdateRejected          = "Dynamic Update Rejected"
-	dynamicUpdateTimeOuts          = "Dynamic Update TimeOuts"
-	dynamicUpdateWrittenToDatabase = "Dynamic Update Written to Database"
-	_                              = "Dynamic Update Written to Database/sec"
-	_                              = "Enumerations Server/sec"
-	_                              = "Fast Read Not Possibles/sec"
-	_                              = "Fast Read Resource Misses/sec"
-	ixfrRequestReceived            = "IXFR Request Received"
-	ixfrRequestSent                = "IXFR Request Sent"
-	ixfrResponseReceived           = "IXFR Response Received"
-	_                              = "IXFR Success Received"
-	ixfrSuccessSent                = "IXFR Success Sent"
-	ixfrTCPSuccessReceived         = "IXFR TCP Success Received"
-	ixfrUDPSuccessReceived         = "IXFR UDP Success Received"
-	_                              = "Lazy Write Flushes/sec"
-	_                              = "Lazy Write Pages/sec"
-	_                              = "Level 2 TLB Fills/sec"
-	nbStatMemory                   = "Nbstat Memory"
-	notifyReceived                 = "Notify Received"
-	notifySent                     = "Notify Sent"
-	_                              = "Query Dropped Bad Socket"
-	_                              = "Query Dropped Bad Socket/sec"
-	_                              = "Query Dropped By Policy"
-	_                              = "Query Dropped By Policy/sec"
-	_                              = "Query Dropped By Response Rate Limiting"
-	_                              = "Query Dropped By Response Rate Limiting/sec"
-	_                              = "Query Dropped Send"
-	_                              = "Query Dropped Send/sec"
-	_                              = "Query Dropped Total"
-	_                              = "Query Dropped Total/sec"
-	recordFlowMemory               = "Record Flow Memory"
-	recursiveQueries               = "Recursive Queries"
-	_                              = "Recursive Queries/sec"
-	recursiveQueryFailure          = "Recursive Query Failure"
-	_                              = "Recursive Query Failure/sec"
-	_                              = "Recursive Send TimeOuts"
-	recursiveSendTimeOuts          = "Recursive TimeOut/sec"
-	_                              = "Responses Suppressed"
-	_                              = "Responses Suppressed/sec"
-	secureUpdateFailure            = "Secure Update Failure"
-	secureUpdateReceived           = "Secure Update Received"
-	_                              = "Secure Update Received/sec"
-	tcpMessageMemory               = "TCP Message Memory"
-	tcpQueryReceived               = "TCP Query Received"
-	_                              = "TCP Query Received/sec"
-	tcpResponseSent                = "TCP Response Sent"
-	_                              = "TCP Response Sent/sec"
-	_                              = "Total Query Received"
-	_                              = "Total Query Received/sec"
-	_                              = "Total Remote Inflight Queries"
-	_                              = "Total Response Sent"
-	_                              = "Total Response Sent/sec"
-	udpMessageMemory               = "UDP Message Memory"
-	udpQueryReceived               = "UDP Query Received"
-	_                              = "UDP Query Received/sec"
-	udpResponseSent                = "UDP Response Sent"
-	_                              = "UDP Response Sent/sec"
-	unmatchedResponsesReceived     = "Unmatched Responses Received"
-	_                              = "Virtual Bytes"
-	winsLookupReceived             = "WINS Lookup Received"
-	_                              = "WINS Lookup Received/sec"
-	winsResponseSent               = "WINS Response Sent"
-	_                              = "WINS Response Sent/sec"
-	winsReverseLookupReceived      = "WINS Reverse Lookup Received"
-	_                              = "WINS Reverse Lookup Received/sec"
-	winsReverseResponseSent        = "WINS Reverse Response Sent"
-	_                              = "WINS Reverse Response Sent/sec"
-	zoneTransferFailure            = "Zone Transfer Failure"
-	zoneTransferSOARequestSent     = "Zone Transfer Request Received"
-	_                              = "Zone Transfer SOA Request Sent"
-	_                              = "Zone Transfer Success"
-)

internal/collector/dns/dns.go

@@ -21,7 +21,7 @@ import (
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -37,7 +37,8 @@ var ConfigDefaults = Config{}
 type Collector struct {
 	config Config
 
-	perfDataCollector *perfdata.Collector
+	perfDataCollector *pdh.Collector
+	perfDataObject    []perfDataCounterValues
 
 	dynamicUpdatesFailures        *prometheus.Desc
 	dynamicUpdatesQueued          *prometheus.Desc
@@ -92,48 +93,7 @@ func (c *Collector) Close() error {
 func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 	var err error
 
-	c.perfDataCollector, err = perfdata.NewCollector("DNS", perfdata.InstancesAll, []string{
-		axfrRequestReceived,
-		axfrRequestSent,
-		axfrResponseReceived,
-		axfrSuccessReceived,
-		axfrSuccessSent,
-		cachingMemory,
-		databaseNodeMemory,
-		dynamicUpdateNoOperation,
-		dynamicUpdateQueued,
-		dynamicUpdateRejected,
-		dynamicUpdateTimeOuts,
-		dynamicUpdateWrittenToDatabase,
-		ixfrRequestReceived,
-		ixfrRequestSent,
-		ixfrResponseReceived,
-		ixfrSuccessSent,
-		ixfrTCPSuccessReceived,
-		ixfrUDPSuccessReceived,
-		nbStatMemory,
-		notifyReceived,
-		notifySent,
-		recordFlowMemory,
-		recursiveQueries,
-		recursiveQueryFailure,
-		recursiveSendTimeOuts,
-		secureUpdateFailure,
-		secureUpdateReceived,
-		tcpMessageMemory,
-		tcpQueryReceived,
-		tcpResponseSent,
-		udpMessageMemory,
-		udpQueryReceived,
-		udpResponseSent,
-		unmatchedResponsesReceived,
-		winsLookupReceived,
-		winsResponseSent,
-		winsReverseLookupReceived,
-		winsReverseResponseSent,
-		zoneTransferFailure,
-		zoneTransferSOARequestSent,
-	})
+	c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues]("DNS", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create DNS collector: %w", err)
 	}
@@ -277,79 +237,74 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 // Collect sends the metric values for each metric
 // to the provided prometheus Metric channel.
 func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollector.Collect()
+	err := c.perfDataCollector.Collect(&c.perfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect DNS metrics: %w", err)
 	}
 
-	data, ok := perfData[perfdata.InstanceEmpty]
-	if !ok {
-		return fmt.Errorf("failed to collect DNS metrics: %w", types.ErrNoData)
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferRequestsReceived,
 		prometheus.CounterValue,
-		data[axfrRequestReceived].FirstValue,
+		c.perfDataObject[0].AxfrRequestReceived,
 		"full",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferRequestsReceived,
 		prometheus.CounterValue,
-		data[ixfrRequestReceived].FirstValue,
+		c.perfDataObject[0].IxfrRequestReceived,
 		"incremental",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferRequestsSent,
 		prometheus.CounterValue,
-		data[axfrRequestSent].FirstValue,
+		c.perfDataObject[0].AxfrRequestSent,
 		"full",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferRequestsSent,
 		prometheus.CounterValue,
-		data[ixfrRequestSent].FirstValue,
+		c.perfDataObject[0].IxfrRequestSent,
 		"incremental",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferRequestsSent,
 		prometheus.CounterValue,
-		data[zoneTransferSOARequestSent].FirstValue,
+		c.perfDataObject[0].ZoneTransferSOARequestSent,
 		"soa",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferResponsesReceived,
 		prometheus.CounterValue,
-		data[axfrResponseReceived].FirstValue,
+		c.perfDataObject[0].AxfrResponseReceived,
 		"full",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferResponsesReceived,
 		prometheus.CounterValue,
-		data[ixfrResponseReceived].FirstValue,
+		c.perfDataObject[0].IxfrResponseReceived,
 		"incremental",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferSuccessReceived,
 		prometheus.CounterValue,
-		data[axfrSuccessReceived].FirstValue,
+		c.perfDataObject[0].AxfrSuccessReceived,
 		"full",
 		"tcp",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferSuccessReceived,
 		prometheus.CounterValue,
-		data[ixfrTCPSuccessReceived].FirstValue,
+		c.perfDataObject[0].IxfrTCPSuccessReceived,
 		"incremental",
 		"tcp",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferSuccessReceived,
 		prometheus.CounterValue,
-		data[ixfrTCPSuccessReceived].FirstValue,
+		c.perfDataObject[0].IxfrTCPSuccessReceived,
 		"incremental",
 		"udp",
 	)
@@ -357,183 +312,183 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferSuccessSent,
 		prometheus.CounterValue,
-		data[axfrSuccessSent].FirstValue,
+		c.perfDataObject[0].AxfrSuccessSent,
 		"full",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferSuccessSent,
 		prometheus.CounterValue,
-		data[ixfrSuccessSent].FirstValue,
+		c.perfDataObject[0].IxfrSuccessSent,
 		"incremental",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.zoneTransferFailures,
 		prometheus.CounterValue,
-		data[zoneTransferFailure].FirstValue,
+		c.perfDataObject[0].ZoneTransferFailure,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memoryUsedBytes,
 		prometheus.GaugeValue,
-		data[cachingMemory].FirstValue,
+		c.perfDataObject[0].CachingMemory,
 		"caching",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.memoryUsedBytes,
 		prometheus.GaugeValue,
-		data[databaseNodeMemory].FirstValue,
+		c.perfDataObject[0].DatabaseNodeMemory,
 		"database_node",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.memoryUsedBytes,
 		prometheus.GaugeValue,
-		data[nbStatMemory].FirstValue,
+		c.perfDataObject[0].NbStatMemory,
 		"nbstat",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.memoryUsedBytes,
 		prometheus.GaugeValue,
-		data[recordFlowMemory].FirstValue,
+		c.perfDataObject[0].RecordFlowMemory,
 		"record_flow",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.memoryUsedBytes,
 		prometheus.GaugeValue,
-		data[tcpMessageMemory].FirstValue,
+		c.perfDataObject[0].TcpMessageMemory,
 		"tcp_message",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.memoryUsedBytes,
 		prometheus.GaugeValue,
-		data[udpMessageMemory].FirstValue,
+		c.perfDataObject[0].UdpMessageMemory,
 		"udp_message",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.dynamicUpdatesReceived,
 		prometheus.CounterValue,
-		data[dynamicUpdateNoOperation].FirstValue,
+		c.perfDataObject[0].DynamicUpdateNoOperation,
 		"noop",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.dynamicUpdatesReceived,
 		prometheus.CounterValue,
-		data[dynamicUpdateWrittenToDatabase].FirstValue,
+		c.perfDataObject[0].DynamicUpdateWrittenToDatabase,
 		"written",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.dynamicUpdatesQueued,
 		prometheus.GaugeValue,
-		data[dynamicUpdateQueued].FirstValue,
+		c.perfDataObject[0].DynamicUpdateQueued,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.dynamicUpdatesFailures,
 		prometheus.CounterValue,
-		data[dynamicUpdateRejected].FirstValue,
+		c.perfDataObject[0].DynamicUpdateRejected,
 		"rejected",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.dynamicUpdatesFailures,
 		prometheus.CounterValue,
-		data[dynamicUpdateTimeOuts].FirstValue,
+		c.perfDataObject[0].DynamicUpdateTimeOuts,
 		"timeout",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.notifyReceived,
 		prometheus.CounterValue,
-		data[notifyReceived].FirstValue,
+		c.perfDataObject[0].NotifyReceived,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.notifySent,
 		prometheus.CounterValue,
-		data[notifySent].FirstValue,
+		c.perfDataObject[0].NotifySent,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.recursiveQueries,
 		prometheus.CounterValue,
-		data[recursiveQueries].FirstValue,
+		c.perfDataObject[0].RecursiveQueries,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.recursiveQueryFailures,
 		prometheus.CounterValue,
-		data[recursiveQueryFailure].FirstValue,
+		c.perfDataObject[0].RecursiveQueryFailure,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.recursiveQuerySendTimeouts,
 		prometheus.CounterValue,
-		data[recursiveSendTimeOuts].FirstValue,
+		c.perfDataObject[0].RecursiveSendTimeOuts,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.queries,
 		prometheus.CounterValue,
-		data[tcpQueryReceived].FirstValue,
+		c.perfDataObject[0].TcpQueryReceived,
 		"tcp",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.queries,
 		prometheus.CounterValue,
-		data[udpQueryReceived].FirstValue,
+		c.perfDataObject[0].UdpQueryReceived,
 		"udp",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.responses,
 		prometheus.CounterValue,
-		data[tcpResponseSent].FirstValue,
+		c.perfDataObject[0].TcpResponseSent,
 		"tcp",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.responses,
 		prometheus.CounterValue,
-		data[udpResponseSent].FirstValue,
+		c.perfDataObject[0].UdpResponseSent,
 		"udp",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.unmatchedResponsesReceived,
 		prometheus.CounterValue,
-		data[unmatchedResponsesReceived].FirstValue,
+		c.perfDataObject[0].UnmatchedResponsesReceived,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.winsQueries,
 		prometheus.CounterValue,
-		data[winsLookupReceived].FirstValue,
+		c.perfDataObject[0].WinsLookupReceived,
 		"forward",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.winsQueries,
 		prometheus.CounterValue,
-		data[winsReverseLookupReceived].FirstValue,
+		c.perfDataObject[0].WinsReverseLookupReceived,
 		"reverse",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.winsResponses,
 		prometheus.CounterValue,
-		data[winsResponseSent].FirstValue,
+		c.perfDataObject[0].WinsResponseSent,
 		"forward",
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.winsResponses,
 		prometheus.CounterValue,
-		data[winsReverseResponseSent].FirstValue,
+		c.perfDataObject[0].WinsReverseResponseSent,
 		"reverse",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.secureUpdateFailures,
 		prometheus.CounterValue,
-		data[secureUpdateFailure].FirstValue,
+		c.perfDataObject[0].SecureUpdateFailure,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.secureUpdateReceived,
 		prometheus.CounterValue,
-		data[secureUpdateReceived].FirstValue,
+		c.perfDataObject[0].SecureUpdateReceived,
 	)
 
 	return nil

internal/collector/dns/dns_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, dns.Name, dns.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, dns.New, nil)
+}

internal/collector/dns/types.go

@@ -0,0 +1,107 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build windows
+
+package dns
+
+type perfDataCounterValues struct {
+	_                              float64 `perfdata:"% User Time"`
+	_                              float64 `perfdata:"176"`
+	_                              float64 `perfdata:"Async Fast Reads/sec"`
+	AxfrRequestReceived            float64 `perfdata:"AXFR Request Received"`
+	AxfrRequestSent                float64 `perfdata:"AXFR Request Sent"`
+	AxfrResponseReceived           float64 `perfdata:"AXFR Response Received"`
+	AxfrSuccessReceived            float64 `perfdata:"AXFR Success Received"`
+	AxfrSuccessSent                float64 `perfdata:"AXFR Success Sent"`
+	CachingMemory                  float64 `perfdata:"Caching Memory"`
+	_                              float64 `perfdata:"Data Flush Pages/sec"`
+	_                              float64 `perfdata:"Data Flushes/sec"`
+	DatabaseNodeMemory             float64 `perfdata:"Database Node Memory"`
+	DynamicUpdateNoOperation       float64 `perfdata:"Dynamic Update NoOperation"`
+	_                              float64 `perfdata:"Dynamic Update NoOperation/sec"`
+	DynamicUpdateQueued            float64 `perfdata:"Dynamic Update Queued"`
+	_                              float64 `perfdata:"Dynamic Update Received"`
+	_                              float64 `perfdata:"Dynamic Update Received/sec"`
+	DynamicUpdateRejected          float64 `perfdata:"Dynamic Update Rejected"`
+	DynamicUpdateTimeOuts          float64 `perfdata:"Dynamic Update TimeOuts"`
+	DynamicUpdateWrittenToDatabase float64 `perfdata:"Dynamic Update Written to Database"`
+	_                              float64 `perfdata:"Dynamic Update Written to Database/sec"`
+	_                              float64 `perfdata:"Enumerations Server/sec"`
+	_                              float64 `perfdata:"Fast Read Not Possibles/sec"`
+	_                              float64 `perfdata:"Fast Read Resource Misses/sec"`
+	IxfrRequestReceived            float64 `perfdata:"IXFR Request Received"`
+	IxfrRequestSent                float64 `perfdata:"IXFR Request Sent"`
+	IxfrResponseReceived           float64 `perfdata:"IXFR Response Received"`
+	_                              float64 `perfdata:"IXFR Success Received"`
+	IxfrSuccessSent                float64 `perfdata:"IXFR Success Sent"`
+	IxfrTCPSuccessReceived         float64 `perfdata:"IXFR TCP Success Received"`
+	IxfrUDPSuccessReceived         float64 `perfdata:"IXFR UDP Success Received"`
+	_                              float64 `perfdata:"Lazy Write Flushes/sec"`
+	_                              float64 `perfdata:"Lazy Write Pages/sec"`
+	_                              float64 `perfdata:"Level 2 TLB Fills/sec"`
+	NbStatMemory                   float64 `perfdata:"Nbstat Memory"`
+	NotifyReceived                 float64 `perfdata:"Notify Received"`
+	NotifySent                     float64 `perfdata:"Notify Sent"`
+	_                              float64 `perfdata:"Query Dropped Bad Socket"`
+	_                              float64 `perfdata:"Query Dropped Bad Socket/sec"`
+	_                              float64 `perfdata:"Query Dropped By Policy"`
+	_                              float64 `perfdata:"Query Dropped By Policy/sec"`
+	_                              float64 `perfdata:"Query Dropped By Response Rate Limiting"`
+	_                              float64 `perfdata:"Query Dropped By Response Rate Limiting/sec"`
+	_                              float64 `perfdata:"Query Dropped Send"`
+	_                              float64 `perfdata:"Query Dropped Send/sec"`
+	_                              float64 `perfdata:"Query Dropped Total"`
+	_                              float64 `perfdata:"Query Dropped Total/sec"`
+	RecordFlowMemory               float64 `perfdata:"Record Flow Memory"`
+	RecursiveQueries               float64 `perfdata:"Recursive Queries"`
+	_                              float64 `perfdata:"Recursive Queries/sec"`
+	RecursiveQueryFailure          float64 `perfdata:"Recursive Query Failure"`
+	_                              float64 `perfdata:"Recursive Query Failure/sec"`
+	_                              float64 `perfdata:"Recursive Send TimeOuts"`
+	RecursiveSendTimeOuts          float64 `perfdata:"Recursive TimeOut/sec"`
+	_                              float64 `perfdata:"Responses Suppressed"`
+	_                              float64 `perfdata:"Responses Suppressed/sec"`
+	SecureUpdateFailure            float64 `perfdata:"Secure Update Failure"`
+	SecureUpdateReceived           float64 `perfdata:"Secure Update Received"`
+	_                              float64 `perfdata:"Secure Update Received/sec"`
+	TcpMessageMemory               float64 `perfdata:"TCP Message Memory"`
+	TcpQueryReceived               float64 `perfdata:"TCP Query Received"`
+	_                              float64 `perfdata:"TCP Query Received/sec"`
+	TcpResponseSent                float64 `perfdata:"TCP Response Sent"`
+	_                              float64 `perfdata:"TCP Response Sent/sec"`
+	_                              float64 `perfdata:"Total Query Received"`
+	_                              float64 `perfdata:"Total Query Received/sec"`
+	_                              float64 `perfdata:"Total Remote Inflight Queries"`
+	_                              float64 `perfdata:"Total Response Sent"`
+	_                              float64 `perfdata:"Total Response Sent/sec"`
+	UdpMessageMemory               float64 `perfdata:"UDP Message Memory"`
+	UdpQueryReceived               float64 `perfdata:"UDP Query Received"`
+	_                              float64 `perfdata:"UDP Query Received/sec"`
+	UdpResponseSent                float64 `perfdata:"UDP Response Sent"`
+	_                              float64 `perfdata:"UDP Response Sent/sec"`
+	UnmatchedResponsesReceived     float64 `perfdata:"Unmatched Responses Received"`
+	_                              float64 `perfdata:"Virtual Bytes"`
+	WinsLookupReceived             float64 `perfdata:"WINS Lookup Received"`
+	_                              float64 `perfdata:"WINS Lookup Received/sec"`
+	WinsResponseSent               float64 `perfdata:"WINS Response Sent"`
+	_                              float64 `perfdata:"WINS Response Sent/sec"`
+	WinsReverseLookupReceived      float64 `perfdata:"WINS Reverse Lookup Received"`
+	_                              float64 `perfdata:"WINS Reverse Lookup Received/sec"`
+	WinsReverseResponseSent        float64 `perfdata:"WINS Reverse Response Sent"`
+	_                              float64 `perfdata:"WINS Reverse Response Sent/sec"`
+	ZoneTransferFailure            float64 `perfdata:"Zone Transfer Failure"`
+	ZoneTransferSOARequestSent     float64 `perfdata:"Zone Transfer Request Received"`
+	_                              float64 `perfdata:"Zone Transfer SOA Request Sent"`
+	_                              float64 `perfdata:"Zone Transfer Success"`
+}

internal/collector/exchange/exchange.go

@@ -21,26 +21,26 @@ import (
 	"log/slog"
 	"os"
 	"strings"
+	"sync"
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 const Name = "exchange"
 
 const (
-	adAccessProcesses   = "ADAccessProcesses"
-	transportQueues     = "TransportQueues"
-	httpProxy           = "HttpProxy"
-	activeSync          = "ActiveSync"
-	availabilityService = "AvailabilityService"
-	outlookWebAccess    = "OutlookWebAccess"
-	autoDiscover        = "Autodiscover"
-	workloadManagement  = "WorkloadManagement"
-	rpcClientAccess     = "RpcClientAccess"
-	mapiHttpEmsmdb      = "MapiHttpEmsmdb"
+	subCollectorADAccessProcesses   = "ADAccessProcesses"
+	subCollectorTransportQueues     = "TransportQueues"
+	subCollectorHttpProxy           = "HttpProxy"
+	subCollectorActiveSync          = "ActiveSync"
+	subCollectorAvailabilityService = "AvailabilityService"
+	subCollectorOutlookWebAccess    = "OutlookWebAccess"
+	subCollectorAutoDiscover        = "Autodiscover"
+	subCollectorWorkloadManagement  = "WorkloadManagement"
+	subCollectorRpcClientAccess     = "RpcClientAccess"
+	subCollectorMapiHttpEmsmdb      = "MapiHttpEmsmdb"
 )
 
 type Config struct {
@@ -50,82 +50,35 @@ type Config struct {
 //nolint:gochecknoglobals
 var ConfigDefaults = Config{
 	CollectorsEnabled: []string{
-		adAccessProcesses,
-		transportQueues,
-		httpProxy,
-		activeSync,
-		availabilityService,
-		outlookWebAccess,
-		autoDiscover,
-		workloadManagement,
-		rpcClientAccess,
-		mapiHttpEmsmdb,
+		subCollectorADAccessProcesses,
+		subCollectorTransportQueues,
+		subCollectorHttpProxy,
+		subCollectorActiveSync,
+		subCollectorAvailabilityService,
+		subCollectorOutlookWebAccess,
+		subCollectorAutoDiscover,
+		subCollectorWorkloadManagement,
+		subCollectorRpcClientAccess,
+		subCollectorMapiHttpEmsmdb,
 	},
 }
 
 type Collector struct {
 	config Config
 
-	perfDataCollectorADAccessProcesses           *perfdata.Collector
-	perfDataCollectorTransportQueues             *perfdata.Collector
-	perfDataCollectorHttpProxy                   *perfdata.Collector
-	perfDataCollectorActiveSync                  *perfdata.Collector
-	perfDataCollectorAvailabilityService         *perfdata.Collector
-	perfDataCollectorOWA                         *perfdata.Collector
-	perfDataCollectorAutoDiscover                *perfdata.Collector
-	perfDataCollectorWorkloadManagementWorkloads *perfdata.Collector
-	perfDataCollectorRpcClientAccess             *perfdata.Collector
-	perfDataCollectorMapiHttpEmsmdb              *perfdata.Collector
+	collectorFns []func(ch chan<- prometheus.Metric) error
+	closeFns     []func()
 
-	activeMailboxDeliveryQueueLength        *prometheus.Desc
-	activeSyncRequestsPerSec                *prometheus.Desc
-	activeTasks                             *prometheus.Desc
-	activeUserCount                         *prometheus.Desc
-	activeUserCountMapiHttpEmsMDB           *prometheus.Desc
-	autoDiscoverRequestsPerSec              *prometheus.Desc
-	availabilityRequestsSec                 *prometheus.Desc
-	averageAuthenticationLatency            *prometheus.Desc
-	averageCASProcessingLatency             *prometheus.Desc
-	completedTasks                          *prometheus.Desc
-	connectionCount                         *prometheus.Desc
-	currentUniqueUsers                      *prometheus.Desc
-	externalActiveRemoteDeliveryQueueLength *prometheus.Desc
-	externalLargestDeliveryQueueLength      *prometheus.Desc
-	internalActiveRemoteDeliveryQueueLength *prometheus.Desc
-	internalLargestDeliveryQueueLength      *prometheus.Desc
-	isActive                                *prometheus.Desc
-	ldapReadTime                            *prometheus.Desc
-	ldapSearchTime                          *prometheus.Desc
-	ldapTimeoutErrorsPerSec                 *prometheus.Desc
-	ldapWriteTime                           *prometheus.Desc
-	longRunningLDAPOperationsPerMin         *prometheus.Desc
-	mailboxServerLocatorAverageLatency      *prometheus.Desc
-	mailboxServerProxyFailureRate           *prometheus.Desc
-	outstandingProxyRequests                *prometheus.Desc
-	owaRequestsPerSec                       *prometheus.Desc
-	pingCommandsPending                     *prometheus.Desc
-	poisonQueueLength                       *prometheus.Desc
-	proxyRequestsPerSec                     *prometheus.Desc
-	queuedTasks                             *prometheus.Desc
-	retryMailboxDeliveryQueueLength         *prometheus.Desc
-	rpcAveragedLatency                      *prometheus.Desc
-	rpcOperationsPerSec                     *prometheus.Desc
-	rpcRequests                             *prometheus.Desc
-	syncCommandsPerSec                      *prometheus.Desc
-	unreachableQueueLength                  *prometheus.Desc
-	userCount                               *prometheus.Desc
-	yieldedTasks                            *prometheus.Desc
-	messagesQueuedForDeliveryTotal          *prometheus.Desc
-	messagesSubmittedTotal                  *prometheus.Desc
-	messagesDelayedTotal                    *prometheus.Desc
-	messagesCompletedDeliveryTotal          *prometheus.Desc
-	shadowQueueLength                       *prometheus.Desc
-	submissionQueueLength                   *prometheus.Desc
-	delayQueueLength                        *prometheus.Desc
-	itemsCompletedDeliveryTotal             *prometheus.Desc
-	itemsQueuedForDeliveryExpiredTotal      *prometheus.Desc
-	itemsQueuedForDeliveryTotal             *prometheus.Desc
-	itemsResubmittedTotal                   *prometheus.Desc
+	collectorADAccessProcesses
+	collectorActiveSync
+	collectorAutoDiscover
+	collectorAvailabilityService
+	collectorHTTPProxy
+	collectorMapiHttpEmsmdb
+	collectorOWA
+	collectorRpcClientAccess
+	collectorTransportQueues
+	collectorWorkloadManagementWorkloads
 }
 
 func New(config *Config) *Collector {
@@ -167,16 +120,16 @@ func NewWithFlags(app *kingpin.Application) *Collector {
 	app.PreAction(func(*kingpin.ParseContext) error {
 		if listAllCollectors {
 			collectorDesc := map[string]string{
-				adAccessProcesses:   "[19108] MSExchange ADAccess Processes",
-				transportQueues:     "[20524] MSExchangeTransport Queues",
-				httpProxy:           "[36934] MSExchange HttpProxy",
-				activeSync:          "[25138] MSExchange ActiveSync",
-				availabilityService: "[24914] MSExchange Availability Service",
-				outlookWebAccess:    "[24618] MSExchange OWA",
-				autoDiscover:        "[29240] MSExchange Autodiscover",
-				workloadManagement:  "[19430] MSExchange WorkloadManagement Workloads",
-				rpcClientAccess:     "[29336] MSExchange RpcClientAccess",
-				mapiHttpEmsmdb:      "[26463] MSExchange MapiHttp Emsmdb",
+				subCollectorADAccessProcesses:   "[19108] MSExchange ADAccess Processes",
+				subCollectorTransportQueues:     "[20524] MSExchangeTransport Queues",
+				subCollectorHttpProxy:           "[36934] MSExchange HttpProxy",
+				subCollectorActiveSync:          "[25138] MSExchange ActiveSync",
+				subCollectorAvailabilityService: "[24914] MSExchange Availability Service",
+				subCollectorOutlookWebAccess:    "[24618] MSExchange OWA",
+				subCollectorAutoDiscover:        "[29240] MSExchange Autodiscover",
+				subCollectorWorkloadManagement:  "[19430] MSExchange WorkloadManagement Workloads",
+				subCollectorRpcClientAccess:     "[29336] MSExchange RpcClientAccess",
+				subCollectorMapiHttpEmsmdb:      "[26463] MSExchange MapiHttp Emsmdb",
 			}
 
 			sb := strings.Builder{}
@@ -208,51 +161,116 @@ func (c *Collector) GetName() string {
 }
 
 func (c *Collector) Close() error {
+	for _, fn := range c.closeFns {
+		fn()
+	}
+
 	return nil
 }
 
 func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
-	collectorFuncs := map[string]func() error{
-		adAccessProcesses:   c.buildADAccessProcesses,
-		transportQueues:     c.buildTransportQueues,
-		httpProxy:           c.buildHTTPProxy,
-		activeSync:          c.buildActiveSync,
-		availabilityService: c.buildAvailabilityService,
-		outlookWebAccess:    c.buildOWA,
-		autoDiscover:        c.buildAutoDiscover,
-		workloadManagement:  c.buildWorkloadManagementWorkloads,
-		rpcClientAccess:     c.buildRPC,
-		mapiHttpEmsmdb:      c.buildMapiHttpEmsmdb,
+	subCollectors := map[string]struct {
+		build   func() error
+		collect func(ch chan<- prometheus.Metric) error
+		close   func()
+	}{
+		subCollectorADAccessProcesses: {
+			build:   c.buildADAccessProcesses,
+			collect: c.collectADAccessProcesses,
+			close:   c.perfDataCollectorADAccessProcesses.Close,
+		},
+		subCollectorTransportQueues: {
+			build:   c.buildTransportQueues,
+			collect: c.collectTransportQueues,
+			close:   c.perfDataCollectorTransportQueues.Close,
+		},
+		subCollectorHttpProxy: {
+			build:   c.buildHTTPProxy,
+			collect: c.collectHTTPProxy,
+			close:   c.perfDataCollectorHTTPProxy.Close,
+		},
+		subCollectorActiveSync: {
+			build:   c.buildActiveSync,
+			collect: c.collectActiveSync,
+			close:   c.perfDataCollectorActiveSync.Close,
+		},
+		subCollectorAvailabilityService: {
+			build:   c.buildAvailabilityService,
+			collect: c.collectAvailabilityService,
+			close:   c.perfDataCollectorAvailabilityService.Close,
+		},
+		subCollectorOutlookWebAccess: {
+			build:   c.buildOWA,
+			collect: c.collectOWA,
+			close:   c.perfDataCollectorOWA.Close,
+		},
+		subCollectorAutoDiscover: {
+			build:   c.buildAutoDiscover,
+			collect: c.collectAutoDiscover,
+			close:   c.perfDataCollectorAutoDiscover.Close,
+		},
+		subCollectorWorkloadManagement: {
+			build:   c.buildWorkloadManagementWorkloads,
+			collect: c.collectWorkloadManagementWorkloads,
+			close:   c.perfDataCollectorWorkloadManagementWorkloads.Close,
+		},
+		subCollectorRpcClientAccess: {
+			build:   c.buildRpcClientAccess,
+			collect: c.collectRpcClientAccess,
+			close:   c.perfDataCollectorRpcClientAccess.Close,
+		},
+		subCollectorMapiHttpEmsmdb: {
+			build:   c.buildMapiHttpEmsmdb,
+			collect: c.collectMapiHttpEmsmdb,
+			close:   c.perfDataCollectorMapiHttpEmsmdb.Close,
+		},
 	}
 
-	for _, collectorName := range c.config.CollectorsEnabled {
-		if err := collectorFuncs[collectorName](); err != nil {
-			return err
+	errs := make([]error, 0, len(c.config.CollectorsEnabled))
+
+	for _, name := range c.config.CollectorsEnabled {
+		if _, ok := subCollectors[name]; !ok {
+			return fmt.Errorf("unknown collector: %s", name)
 		}
+
+		if err := subCollectors[name].build(); err != nil {
+			errs = append(errs, fmt.Errorf("failed to build %s collector: %w", name, err))
+
+			continue
+		}
+
+		c.collectorFns = append(c.collectorFns, subCollectors[name].collect)
+		c.closeFns = append(c.closeFns, subCollectors[name].close)
 	}
 
-	return nil
+	return errors.Join(errs...)
 }
 
 // Collect collects exchange metrics and sends them to prometheus.
 func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
-	collectorFuncs := map[string]func(ch chan<- prometheus.Metric) error{
-		adAccessProcesses:   c.collectADAccessProcesses,
-		transportQueues:     c.collectTransportQueues,
-		httpProxy:           c.collectHTTPProxy,
-		activeSync:          c.collectActiveSync,
-		availabilityService: c.collectAvailabilityService,
-		outlookWebAccess:    c.collectOWA,
-		autoDiscover:        c.collectAutoDiscover,
-		workloadManagement:  c.collectWorkloadManagementWorkloads,
-		rpcClientAccess:     c.collectRPC,
-		mapiHttpEmsmdb:      c.collectMapiHttpEmsmdb,
+	errCh := make(chan error, len(c.collectorFns))
+	errs := make([]error, 0, len(c.collectorFns))
+
+	wg := sync.WaitGroup{}
+
+	for _, fn := range c.collectorFns {
+		wg.Add(1)
+
+		go func(fn func(ch chan<- prometheus.Metric) error) {
+			defer wg.Done()
+
+			if err := fn(ch); err != nil {
+				errCh <- err
+			}
+		}(fn)
 	}
 
-	errs := make([]error, len(c.config.CollectorsEnabled))
+	wg.Wait()
 
-	for i, collectorName := range c.config.CollectorsEnabled {
-		errs[i] = collectorFuncs[collectorName](ch)
+	close(errCh)
+
+	for err := range errCh {
+		errs = append(errs, err)
 	}
 
 	return errors.Join(errs...)
@@ -265,8 +283,3 @@ func (c *Collector) toLabelName(name string) string {
 
 	return s
 }
-
-// msToSec converts from ms to seconds.
-func (c *Collector) msToSec(t float64) float64 {
-	return t / 1000
-}

internal/collector/exchange/exchange_active_sync.go

@@ -18,27 +18,30 @@ package exchange
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-const (
-	requestsPerSec      = "Requests/sec"
-	pingCommandsPending = "Ping Commands Pending"
-	syncCommandsPerSec  = "Sync Commands/sec"
-)
+type collectorActiveSync struct {
+	perfDataCollectorActiveSync *pdh.Collector
+	perfDataObjectActiveSync    []perfDataCounterValuesActiveSync
+
+	activeSyncRequestsPerSec *prometheus.Desc
+	pingCommandsPending      *prometheus.Desc
+	syncCommandsPerSec       *prometheus.Desc
+}
+
+type perfDataCounterValuesActiveSync struct {
+	RequestsPerSec      float64 `perfdata:"Requests/sec"`
+	PingCommandsPending float64 `perfdata:"Ping Commands Pending"`
+	SyncCommandsPerSec  float64 `perfdata:"Sync Commands/sec"`
+}
 
 func (c *Collector) buildActiveSync() error {
-	counters := []string{
-		requestsPerSec,
-		pingCommandsPending,
-		syncCommandsPerSec,
-	}
-
 	var err error
 
-	c.perfDataCollectorActiveSync, err = perfdata.NewCollector("MSExchange ActiveSync", perfdata.InstancesAll, counters)
+	c.perfDataCollectorActiveSync, err = pdh.NewCollector[perfDataCounterValuesActiveSync]("MSExchange ActiveSync", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create MSExchange ActiveSync collector: %w", err)
 	}
@@ -66,30 +69,26 @@ func (c *Collector) buildActiveSync() error {
 }
 
 func (c *Collector) collectActiveSync(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorActiveSync.Collect()
+	err := c.perfDataCollectorActiveSync.Collect(&c.perfDataObjectActiveSync)
 	if err != nil {
 		return fmt.Errorf("failed to collect MSExchange ActiveSync metrics: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect MSExchange ActiveSync metrics: %w", types.ErrNoData)
-	}
-
-	for _, data := range perfData {
+	for _, data := range c.perfDataObjectActiveSync {
 		ch <- prometheus.MustNewConstMetric(
 			c.activeSyncRequestsPerSec,
 			prometheus.CounterValue,
-			data[requestsPerSec].FirstValue,
+			data.RequestsPerSec,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.pingCommandsPending,
 			prometheus.GaugeValue,
-			data[pingCommandsPending].FirstValue,
+			data.PingCommandsPending,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.syncCommandsPerSec,
 			prometheus.CounterValue,
-			data[syncCommandsPerSec].FirstValue,
+			data.SyncCommandsPerSec,
 		)
 	}
 

internal/collector/exchange/exchange_ad_access_processes.go

@@ -18,31 +18,37 @@ package exchange
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
+	"github.com/prometheus-community/windows_exporter/internal/utils"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-const (
-	ldapReadTime                    = "LDAP Read Time"
-	ldapSearchTime                  = "LDAP Search Time"
-	ldapWriteTime                   = "LDAP Write Time"
-	ldapTimeoutErrorsPerSec         = "LDAP Timeout Errors/sec"
-	longRunningLDAPOperationsPerMin = "Long Running LDAP Operations/min"
-)
+type collectorADAccessProcesses struct {
+	perfDataCollectorADAccessProcesses *pdh.Collector
+	perfDataObjectADAccessProcesses    []perfDataCounterValuesADAccessProcesses
+
+	ldapReadTime                    *prometheus.Desc
+	ldapSearchTime                  *prometheus.Desc
+	ldapTimeoutErrorsPerSec         *prometheus.Desc
+	ldapWriteTime                   *prometheus.Desc
+	longRunningLDAPOperationsPerMin *prometheus.Desc
+}
+
+type perfDataCounterValuesADAccessProcesses struct {
+	Name string
+
+	LdapReadTime                    float64 `perfdata:"LDAP Read Time"`
+	LdapSearchTime                  float64 `perfdata:"LDAP Search Time"`
+	LdapWriteTime                   float64 `perfdata:"LDAP Write Time"`
+	LdapTimeoutErrorsPerSec         float64 `perfdata:"LDAP Timeout Errors/sec"`
+	LongRunningLDAPOperationsPerMin float64 `perfdata:"Long Running LDAP Operations/min"`
+}
 
 func (c *Collector) buildADAccessProcesses() error {
-	counters := []string{
-		ldapReadTime,
-		ldapSearchTime,
-		ldapWriteTime,
-		ldapTimeoutErrorsPerSec,
-		longRunningLDAPOperationsPerMin,
-	}
-
 	var err error
 
-	c.perfDataCollectorADAccessProcesses, err = perfdata.NewCollector("MSExchange ADAccess Processes", perfdata.InstancesAll, counters)
+	c.perfDataCollectorADAccessProcesses, err = pdh.NewCollector[perfDataCounterValuesADAccessProcesses]("MSExchange ADAccess Processes", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create MSExchange ADAccess Processes collector: %w", err)
 	}
@@ -82,19 +88,15 @@ func (c *Collector) buildADAccessProcesses() error {
 }
 
 func (c *Collector) collectADAccessProcesses(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorADAccessProcesses.Collect()
+	err := c.perfDataCollectorADAccessProcesses.Collect(&c.perfDataObjectADAccessProcesses)
 	if err != nil {
 		return fmt.Errorf("failed to collect MSExchange ADAccess Processes metrics: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect MSExchange ADAccess Processes metrics: %w", types.ErrNoData)
-	}
-
 	labelUseCount := make(map[string]int)
 
-	for name, data := range perfData {
-		labelName := c.toLabelName(name)
+	for _, data := range c.perfDataObjectADAccessProcesses {
+		labelName := c.toLabelName(data.Name)
 
 		// Since we're not including the PID suffix from the instance names in the label names, we get an occasional duplicate.
 		// This seems to affect about 4 instances only of this object.
@@ -106,31 +108,31 @@ func (c *Collector) collectADAccessProcesses(ch chan<- prometheus.Metric) error
 		ch <- prometheus.MustNewConstMetric(
 			c.ldapReadTime,
 			prometheus.CounterValue,
-			c.msToSec(data[ldapReadTime].FirstValue),
+			utils.MilliSecToSec(data.LdapReadTime),
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.ldapSearchTime,
 			prometheus.CounterValue,
-			c.msToSec(data[ldapSearchTime].FirstValue),
+			utils.MilliSecToSec(data.LdapSearchTime),
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.ldapWriteTime,
 			prometheus.CounterValue,
-			c.msToSec(data[ldapWriteTime].FirstValue),
+			utils.MilliSecToSec(data.LdapWriteTime),
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.ldapTimeoutErrorsPerSec,
 			prometheus.CounterValue,
-			data[ldapTimeoutErrorsPerSec].FirstValue,
+			data.LdapTimeoutErrorsPerSec,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.longRunningLDAPOperationsPerMin,
 			prometheus.CounterValue,
-			data[longRunningLDAPOperationsPerMin].FirstValue*60,
+			data.LongRunningLDAPOperationsPerMin*60,
 			labelName,
 		)
 	}

internal/collector/exchange/exchange_autodiscover.go

@@ -18,19 +18,26 @@ package exchange
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-func (c *Collector) buildAutoDiscover() error {
-	counters := []string{
-		requestsPerSec,
-	}
+type collectorAutoDiscover struct {
+	perfDataCollectorAutoDiscover *pdh.Collector
+	perfDataObjectAutoDiscover    []perfDataCounterValuesAutoDiscover
 
+	autoDiscoverRequestsPerSec *prometheus.Desc
+}
+
+type perfDataCounterValuesAutoDiscover struct {
+	RequestsPerSec float64 `perfdata:"Requests/sec"`
+}
+
+func (c *Collector) buildAutoDiscover() error {
 	var err error
 
-	c.perfDataCollectorAutoDiscover, err = perfdata.NewCollector("MSExchange Autodiscover", perfdata.InstancesAll, counters)
+	c.perfDataCollectorAutoDiscover, err = pdh.NewCollector[perfDataCounterValuesAutoDiscover]("MSExchange Autodiscover", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create MSExchange Autodiscover collector: %w", err)
 	}
@@ -46,20 +53,16 @@ func (c *Collector) buildAutoDiscover() error {
 }
 
 func (c *Collector) collectAutoDiscover(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorAutoDiscover.Collect()
+	err := c.perfDataCollectorAutoDiscover.Collect(&c.perfDataObjectAutoDiscover)
 	if err != nil {
 		return fmt.Errorf("failed to collect MSExchange Autodiscover metrics: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect MSExchange Autodiscover metrics: %w", types.ErrNoData)
-	}
-
-	for _, data := range perfData {
+	for _, data := range c.perfDataObjectAutoDiscover {
 		ch <- prometheus.MustNewConstMetric(
 			c.autoDiscoverRequestsPerSec,
 			prometheus.CounterValue,
-			data[requestsPerSec].FirstValue,
+			data.RequestsPerSec,
 		)
 	}
 

internal/collector/exchange/exchange_availability_service.go

@@ -18,19 +18,26 @@ package exchange
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-func (c *Collector) buildAvailabilityService() error {
-	counters := []string{
-		requestsPerSec,
-	}
+type collectorAvailabilityService struct {
+	perfDataCollectorAvailabilityService *pdh.Collector
+	perfDataObjectAvailabilityService    []perfDataCounterValuesAvailabilityService
 
+	availabilityRequestsSec *prometheus.Desc
+}
+
+type perfDataCounterValuesAvailabilityService struct {
+	RequestsPerSec float64 `perfdata:"Requests/sec"`
+}
+
+func (c *Collector) buildAvailabilityService() error {
 	var err error
 
-	c.perfDataCollectorAvailabilityService, err = perfdata.NewCollector("MSExchange Availability Service", perfdata.InstancesAll, counters)
+	c.perfDataCollectorAvailabilityService, err = pdh.NewCollector[perfDataCounterValuesAvailabilityService]("MSExchange Availability Service", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create MSExchange Availability Service collector: %w", err)
 	}
@@ -46,20 +53,16 @@ func (c *Collector) buildAvailabilityService() error {
 }
 
 func (c *Collector) collectAvailabilityService(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorAvailabilityService.Collect()
+	err := c.perfDataCollectorAvailabilityService.Collect(&c.perfDataObjectAvailabilityService)
 	if err != nil {
 		return fmt.Errorf("failed to collect MSExchange Availability Service metrics: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect MSExchange Availability Service metrics: %w", types.ErrNoData)
-	}
-
-	for _, data := range perfData {
+	for _, data := range c.perfDataObjectAvailabilityService {
 		ch <- prometheus.MustNewConstMetric(
 			c.availabilityRequestsSec,
 			prometheus.CounterValue,
-			data[requestsPerSec].FirstValue,
+			data.RequestsPerSec,
 		)
 	}
 

internal/collector/exchange/exchange_http_proxy.go

@@ -18,33 +18,39 @@ package exchange
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
+	"github.com/prometheus-community/windows_exporter/internal/utils"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-const (
-	mailboxServerLocatorAverageLatency = "MailboxServerLocator Average Latency (Moving Average)"
-	averageAuthenticationLatency       = "Average Authentication Latency"
-	averageCASProcessingLatency        = "Average ClientAccess Server Processing Latency"
-	mailboxServerProxyFailureRate      = "Mailbox Server Proxy Failure Rate"
-	outstandingProxyRequests           = "Outstanding Proxy Requests"
-	proxyRequestsPerSec                = "Proxy Requests/Sec"
-)
+type collectorHTTPProxy struct {
+	perfDataCollectorHTTPProxy *pdh.Collector
+	perfDataObjectHTTPProxy    []perfDataCounterValuesHTTPProxy
+
+	mailboxServerLocatorAverageLatency *prometheus.Desc
+	averageAuthenticationLatency       *prometheus.Desc
+	outstandingProxyRequests           *prometheus.Desc
+	proxyRequestsPerSec                *prometheus.Desc
+	averageCASProcessingLatency        *prometheus.Desc
+	mailboxServerProxyFailureRate      *prometheus.Desc
+}
+
+type perfDataCounterValuesHTTPProxy struct {
+	Name string
+
+	MailboxServerLocatorAverageLatency float64 `perfdata:"MailboxServerLocator Average Latency (Moving Average)"`
+	AverageAuthenticationLatency       float64 `perfdata:"Average Authentication Latency"`
+	AverageCASProcessingLatency        float64 `perfdata:"Average ClientAccess Server Processing Latency"`
+	MailboxServerProxyFailureRate      float64 `perfdata:"Mailbox Server Proxy Failure Rate"`
+	OutstandingProxyRequests           float64 `perfdata:"Outstanding Proxy Requests"`
+	ProxyRequestsPerSec                float64 `perfdata:"Proxy Requests/Sec"`
+}
 
 func (c *Collector) buildHTTPProxy() error {
-	counters := []string{
-		mailboxServerLocatorAverageLatency,
-		averageAuthenticationLatency,
-		averageCASProcessingLatency,
-		mailboxServerProxyFailureRate,
-		outstandingProxyRequests,
-		proxyRequestsPerSec,
-	}
-
 	var err error
 
-	c.perfDataCollectorHttpProxy, err = perfdata.NewCollector("MSExchange HttpProxy", perfdata.InstancesAll, counters)
+	c.perfDataCollectorHTTPProxy, err = pdh.NewCollector[perfDataCounterValuesHTTPProxy]("MSExchange HttpProxy", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create MSExchange HttpProxy collector: %w", err)
 	}
@@ -90,51 +96,47 @@ func (c *Collector) buildHTTPProxy() error {
 }
 
 func (c *Collector) collectHTTPProxy(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorHttpProxy.Collect()
+	err := c.perfDataCollectorHTTPProxy.Collect(&c.perfDataObjectHTTPProxy)
 	if err != nil {
 		return fmt.Errorf("failed to collect MSExchange HttpProxy Service metrics: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect MSExchange HttpProxy Service metrics: %w", types.ErrNoData)
-	}
-
-	for name, data := range perfData {
-		labelName := c.toLabelName(name)
+	for _, data := range c.perfDataObjectHTTPProxy {
+		labelName := c.toLabelName(data.Name)
 		ch <- prometheus.MustNewConstMetric(
 			c.mailboxServerLocatorAverageLatency,
 			prometheus.GaugeValue,
-			c.msToSec(data[mailboxServerLocatorAverageLatency].FirstValue),
+			utils.MilliSecToSec(data.MailboxServerLocatorAverageLatency),
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.averageAuthenticationLatency,
 			prometheus.GaugeValue,
-			data[averageAuthenticationLatency].FirstValue,
+			data.AverageAuthenticationLatency,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.averageCASProcessingLatency,
 			prometheus.GaugeValue,
-			c.msToSec(data[averageCASProcessingLatency].FirstValue),
+			utils.MilliSecToSec(data.AverageCASProcessingLatency),
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.mailboxServerProxyFailureRate,
 			prometheus.GaugeValue,
-			data[mailboxServerProxyFailureRate].FirstValue,
+			data.MailboxServerProxyFailureRate,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.outstandingProxyRequests,
 			prometheus.GaugeValue,
-			data[outstandingProxyRequests].FirstValue,
+			data.OutstandingProxyRequests,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.proxyRequestsPerSec,
 			prometheus.CounterValue,
-			data[proxyRequestsPerSec].FirstValue,
+			data.ProxyRequestsPerSec,
 			labelName,
 		)
 	}

internal/collector/exchange/exchange_mapi_http_emsmdb.go

@@ -18,23 +18,26 @@ package exchange
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-const (
-	activeUserCount = "Active User Count"
-)
+type collectorMapiHttpEmsmdb struct {
+	perfDataCollectorMapiHttpEmsmdb *pdh.Collector
+	perfDataObjectMapiHttpEmsmdb    []perfDataCounterValuesMapiHttpEmsmdb
+
+	activeUserCountMapiHttpEmsMDB *prometheus.Desc
+}
+
+type perfDataCounterValuesMapiHttpEmsmdb struct {
+	ActiveUserCount float64 `perfdata:"Active User Count"`
+}
 
 func (c *Collector) buildMapiHttpEmsmdb() error {
-	counters := []string{
-		activeUserCount,
-	}
-
 	var err error
 
-	c.perfDataCollectorMapiHttpEmsmdb, err = perfdata.NewCollector("MSExchange MapiHttp Emsmdb", perfdata.InstancesAll, counters)
+	c.perfDataCollectorMapiHttpEmsmdb, err = pdh.NewCollector[perfDataCounterValuesMapiHttpEmsmdb]("MSExchange MapiHttp Emsmdb", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create MSExchange MapiHttp Emsmdb: %w", err)
 	}
@@ -50,20 +53,16 @@ func (c *Collector) buildMapiHttpEmsmdb() error {
 }
 
 func (c *Collector) collectMapiHttpEmsmdb(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorMapiHttpEmsmdb.Collect()
+	err := c.perfDataCollectorMapiHttpEmsmdb.Collect(&c.perfDataObjectMapiHttpEmsmdb)
 	if err != nil {
 		return fmt.Errorf("failed to collect MSExchange MapiHttp Emsmdb metrics: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect MSExchange MapiHttp Emsmdb metrics: %w", types.ErrNoData)
-	}
-
-	for _, data := range perfData {
+	for _, data := range c.perfDataObjectMapiHttpEmsmdb {
 		ch <- prometheus.MustNewConstMetric(
 			c.activeUserCountMapiHttpEmsMDB,
 			prometheus.GaugeValue,
-			data[activeUserCount].FirstValue,
+			data.ActiveUserCount,
 		)
 	}
 

internal/collector/exchange/exchange_outlook_web_access.go

@@ -18,25 +18,28 @@ package exchange
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-const (
-	currentUniqueUsers = "Current Unique Users"
-	// requestsPerSec     = "Requests/sec"
-)
+type collectorOWA struct {
+	perfDataCollectorOWA *pdh.Collector
+	perfDataObjectOWA    []perfDataCounterValuesOWA
+
+	currentUniqueUsers *prometheus.Desc
+	owaRequestsPerSec  *prometheus.Desc
+}
+
+type perfDataCounterValuesOWA struct {
+	CurrentUniqueUsers float64 `perfdata:"Current Unique Users"`
+	RequestsPerSec     float64 `perfdata:"Requests/sec"`
+}
 
 func (c *Collector) buildOWA() error {
-	counters := []string{
-		currentUniqueUsers,
-		requestsPerSec,
-	}
-
 	var err error
 
-	c.perfDataCollectorOWA, err = perfdata.NewCollector("MSExchange OWA", perfdata.InstancesAll, counters)
+	c.perfDataCollectorOWA, err = pdh.NewCollector[perfDataCounterValuesOWA]("MSExchange OWA", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create MSExchange OWA collector: %w", err)
 	}
@@ -58,25 +61,21 @@ func (c *Collector) buildOWA() error {
 }
 
 func (c *Collector) collectOWA(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorOWA.Collect()
+	err := c.perfDataCollectorOWA.Collect(&c.perfDataObjectOWA)
 	if err != nil {
 		return fmt.Errorf("failed to collect MSExchange OWA metrics: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect MSExchange OWA metrics: %w", types.ErrNoData)
-	}
-
-	for _, data := range perfData {
+	for _, data := range c.perfDataObjectOWA {
 		ch <- prometheus.MustNewConstMetric(
 			c.currentUniqueUsers,
 			prometheus.GaugeValue,
-			data[currentUniqueUsers].FirstValue,
+			data.CurrentUniqueUsers,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.owaRequestsPerSec,
 			prometheus.CounterValue,
-			data[requestsPerSec].FirstValue,
+			data.RequestsPerSec,
 		)
 	}
 

internal/collector/exchange/exchange_rpc_client_access.go

@@ -18,33 +18,37 @@ package exchange
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
+	"github.com/prometheus-community/windows_exporter/internal/utils"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-const (
-	rpcAveragedLatency = "RPC Averaged Latency"
-	rpcRequests        = "RPC Requests"
-	// activeUserCount    = "Active User Count"
-	connectionCount     = "Connection Count"
-	rpcOperationsPerSec = "RPC Operations/sec"
-	userCount           = "User Count"
-)
+type collectorRpcClientAccess struct {
+	perfDataCollectorRpcClientAccess *pdh.Collector
+	perfDataObjectRpcClientAccess    []perfDataCounterValuesRpcClientAccess
 
-func (c *Collector) buildRPC() error {
-	counters := []string{
-		rpcAveragedLatency,
-		rpcRequests,
-		activeUserCount,
-		connectionCount,
-		rpcOperationsPerSec,
-		userCount,
-	}
+	activeUserCount     *prometheus.Desc
+	connectionCount     *prometheus.Desc
+	rpcAveragedLatency  *prometheus.Desc
+	rpcOperationsPerSec *prometheus.Desc
+	rpcRequests         *prometheus.Desc
+	userCount           *prometheus.Desc
+}
 
+type perfDataCounterValuesRpcClientAccess struct {
+	RpcAveragedLatency  float64 `perfdata:"RPC Averaged Latency"`
+	RpcRequests         float64 `perfdata:"RPC Requests"`
+	ActiveUserCount     float64 `perfdata:"Active User Count"`
+	ConnectionCount     float64 `perfdata:"Connection Count"`
+	RpcOperationsPerSec float64 `perfdata:"RPC Operations/sec"`
+	UserCount           float64 `perfdata:"User Count"`
+}
+
+func (c *Collector) buildRpcClientAccess() error {
 	var err error
 
-	c.perfDataCollectorRpcClientAccess, err = perfdata.NewCollector("MSExchange RpcClientAccess", perfdata.InstancesAll, counters)
+	c.perfDataCollectorRpcClientAccess, err = pdh.NewCollector[perfDataCounterValuesRpcClientAccess]("MSExchange RpcClientAccess", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create MSExchange RpcClientAccess collector: %w", err)
 	}
@@ -89,46 +93,42 @@ func (c *Collector) buildRPC() error {
 	return nil
 }
 
-func (c *Collector) collectRPC(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorRpcClientAccess.Collect()
+func (c *Collector) collectRpcClientAccess(ch chan<- prometheus.Metric) error {
+	err := c.perfDataCollectorRpcClientAccess.Collect(&c.perfDataObjectRpcClientAccess)
 	if err != nil {
 		return fmt.Errorf("failed to collect MSExchange RpcClientAccess: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect MSExchange RpcClientAccess metrics: %w", types.ErrNoData)
-	}
-
-	for _, data := range perfData {
+	for _, data := range c.perfDataObjectRpcClientAccess {
 		ch <- prometheus.MustNewConstMetric(
 			c.rpcAveragedLatency,
 			prometheus.GaugeValue,
-			c.msToSec(data[rpcAveragedLatency].FirstValue),
+			utils.MilliSecToSec(data.RpcAveragedLatency),
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.rpcRequests,
 			prometheus.GaugeValue,
-			data[rpcRequests].FirstValue,
+			data.RpcRequests,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.activeUserCount,
 			prometheus.GaugeValue,
-			data[activeUserCount].FirstValue,
+			data.ActiveUserCount,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.connectionCount,
 			prometheus.GaugeValue,
-			data[connectionCount].FirstValue,
+			data.ConnectionCount,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.rpcOperationsPerSec,
 			prometheus.CounterValue,
-			data[rpcOperationsPerSec].FirstValue,
+			data.RpcOperationsPerSec,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.userCount,
 			prometheus.GaugeValue,
-			data[userCount].FirstValue,
+			data.UserCount,
 		)
 	}
 

internal/collector/exchange/exchange_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, exchange.Name, exchange.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, exchange.New, nil)
+}

internal/collector/exchange/exchange_transport_queues.go

@@ -18,59 +18,64 @@ package exchange
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-const (
-	externalActiveRemoteDeliveryQueueLength = "External Active Remote Delivery Queue Length"
-	internalActiveRemoteDeliveryQueueLength = "Internal Active Remote Delivery Queue Length"
-	activeMailboxDeliveryQueueLength        = "Active Mailbox Delivery Queue Length"
-	retryMailboxDeliveryQueueLength         = "Retry Mailbox Delivery Queue Length"
-	unreachableQueueLength                  = "Unreachable Queue Length"
-	externalLargestDeliveryQueueLength      = "External Largest Delivery Queue Length"
-	internalLargestDeliveryQueueLength      = "Internal Largest Delivery Queue Length"
-	poisonQueueLength                       = "Poison Queue Length"
-	messagesQueuedForDeliveryTotal          = "Messages Queued For Delivery Total"
-	messagesSubmittedTotal                  = "Messages Submitted Total"
-	messagesDelayedTotal                    = "Messages Delayed Total"
-	messagesCompletedDeliveryTotal          = "Messages Completed Delivery Total"
-	shadowQueueLength                       = "Shadow Queue Length"
-	submissionQueueLength                   = "Submission Queue Length"
-	delayQueueLength                        = "Delay Queue Length"
-	itemsCompletedDeliveryTotal             = "Items Completed Delivery Total"
-	itemsQueuedForDeliveryExpiredTotal      = "Items Queued For Delivery Expired Total"
-	itemsQueuedForDeliveryTotal             = "Items Queued For Delivery Total"
-	itemsResubmittedTotal                   = "Items Resubmitted Total"
-)
+type collectorTransportQueues struct {
+	perfDataCollectorTransportQueues *pdh.Collector
+	perfDataObjectTransportQueues    []perfDataCounterValuesTransportQueues
+
+	activeMailboxDeliveryQueueLength        *prometheus.Desc
+	externalActiveRemoteDeliveryQueueLength *prometheus.Desc
+	externalLargestDeliveryQueueLength      *prometheus.Desc
+	internalActiveRemoteDeliveryQueueLength *prometheus.Desc
+	internalLargestDeliveryQueueLength      *prometheus.Desc
+	poisonQueueLength                       *prometheus.Desc
+	retryMailboxDeliveryQueueLength         *prometheus.Desc
+	unreachableQueueLength                  *prometheus.Desc
+	messagesQueuedForDeliveryTotal          *prometheus.Desc
+	messagesSubmittedTotal                  *prometheus.Desc
+	messagesDelayedTotal                    *prometheus.Desc
+	messagesCompletedDeliveryTotal          *prometheus.Desc
+	shadowQueueLength                       *prometheus.Desc
+	submissionQueueLength                   *prometheus.Desc
+	delayQueueLength                        *prometheus.Desc
+	itemsCompletedDeliveryTotal             *prometheus.Desc
+	itemsQueuedForDeliveryExpiredTotal      *prometheus.Desc
+	itemsQueuedForDeliveryTotal             *prometheus.Desc
+	itemsResubmittedTotal                   *prometheus.Desc
+}
+
+type perfDataCounterValuesTransportQueues struct {
+	Name string
+
+	ExternalActiveRemoteDeliveryQueueLength float64 `perfdata:"External Active Remote Delivery Queue Length"`
+	InternalActiveRemoteDeliveryQueueLength float64 `perfdata:"Internal Active Remote Delivery Queue Length"`
+	ActiveMailboxDeliveryQueueLength        float64 `perfdata:"Active Mailbox Delivery Queue Length"`
+	RetryMailboxDeliveryQueueLength         float64 `perfdata:"Retry Mailbox Delivery Queue Length"`
+	UnreachableQueueLength                  float64 `perfdata:"Unreachable Queue Length"`
+	ExternalLargestDeliveryQueueLength      float64 `perfdata:"External Largest Delivery Queue Length"`
+	InternalLargestDeliveryQueueLength      float64 `perfdata:"Internal Largest Delivery Queue Length"`
+	PoisonQueueLength                       float64 `perfdata:"Poison Queue Length"`
+	MessagesQueuedForDeliveryTotal          float64 `perfdata:"Messages Queued For Delivery Total"`
+	MessagesSubmittedTotal                  float64 `perfdata:"Messages Submitted Total"`
+	MessagesDelayedTotal                    float64 `perfdata:"Messages Delayed Total"`
+	MessagesCompletedDeliveryTotal          float64 `perfdata:"Messages Completed Delivery Total"`
+	ShadowQueueLength                       float64 `perfdata:"Shadow Queue Length"`
+	SubmissionQueueLength                   float64 `perfdata:"Submission Queue Length"`
+	DelayQueueLength                        float64 `perfdata:"Delay Queue Length"`
+	ItemsCompletedDeliveryTotal             float64 `perfdata:"Items Completed Delivery Total"`
+	ItemsQueuedForDeliveryExpiredTotal      float64 `perfdata:"Items Queued For Delivery Expired Total"`
+	ItemsQueuedForDeliveryTotal             float64 `perfdata:"Items Queued For Delivery Total"`
+	ItemsResubmittedTotal                   float64 `perfdata:"Items Resubmitted Total"`
+}
 
 func (c *Collector) buildTransportQueues() error {
-	counters := []string{
-		externalActiveRemoteDeliveryQueueLength,
-		internalActiveRemoteDeliveryQueueLength,
-		activeMailboxDeliveryQueueLength,
-		retryMailboxDeliveryQueueLength,
-		unreachableQueueLength,
-		externalLargestDeliveryQueueLength,
-		internalLargestDeliveryQueueLength,
-		poisonQueueLength,
-		messagesQueuedForDeliveryTotal,
-		messagesSubmittedTotal,
-		messagesDelayedTotal,
-		messagesCompletedDeliveryTotal,
-		shadowQueueLength,
-		submissionQueueLength,
-		delayQueueLength,
-		itemsCompletedDeliveryTotal,
-		itemsQueuedForDeliveryExpiredTotal,
-		itemsQueuedForDeliveryTotal,
-		itemsResubmittedTotal,
-	}
-
 	var err error
 
-	c.perfDataCollectorTransportQueues, err = perfdata.NewCollector("MSExchangeTransport Queues", perfdata.InstancesAll, counters)
+	c.perfDataCollectorTransportQueues, err = pdh.NewCollector[perfDataCounterValuesTransportQueues]("MSExchangeTransport Queues", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create MSExchangeTransport Queues collector: %w", err)
 	}
@@ -194,130 +199,126 @@ func (c *Collector) buildTransportQueues() error {
 }
 
 func (c *Collector) collectTransportQueues(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorTransportQueues.Collect()
+	err := c.perfDataCollectorTransportQueues.Collect(&c.perfDataObjectTransportQueues)
 	if err != nil {
 		return fmt.Errorf("failed to collect MSExchangeTransport Queues: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect MSExchangeTransport Queues metrics: %w", types.ErrNoData)
-	}
-
-	for name, data := range perfData {
-		labelName := c.toLabelName(name)
+	for _, data := range c.perfDataObjectTransportQueues {
+		labelName := c.toLabelName(data.Name)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.externalActiveRemoteDeliveryQueueLength,
 			prometheus.GaugeValue,
-			data[externalActiveRemoteDeliveryQueueLength].FirstValue,
+			data.ExternalActiveRemoteDeliveryQueueLength,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.internalActiveRemoteDeliveryQueueLength,
 			prometheus.GaugeValue,
-			data[internalActiveRemoteDeliveryQueueLength].FirstValue,
+			data.InternalActiveRemoteDeliveryQueueLength,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.activeMailboxDeliveryQueueLength,
 			prometheus.GaugeValue,
-			data[activeMailboxDeliveryQueueLength].FirstValue,
+			data.ActiveMailboxDeliveryQueueLength,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.retryMailboxDeliveryQueueLength,
 			prometheus.GaugeValue,
-			data[retryMailboxDeliveryQueueLength].FirstValue,
+			data.RetryMailboxDeliveryQueueLength,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.unreachableQueueLength,
 			prometheus.GaugeValue,
-			data[unreachableQueueLength].FirstValue,
+			data.UnreachableQueueLength,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.externalLargestDeliveryQueueLength,
 			prometheus.GaugeValue,
-			data[externalLargestDeliveryQueueLength].FirstValue,
+			data.ExternalLargestDeliveryQueueLength,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.internalLargestDeliveryQueueLength,
 			prometheus.GaugeValue,
-			data[internalLargestDeliveryQueueLength].FirstValue,
+			data.InternalLargestDeliveryQueueLength,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.poisonQueueLength,
 			prometheus.GaugeValue,
-			data[poisonQueueLength].FirstValue,
+			data.PoisonQueueLength,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.messagesQueuedForDeliveryTotal,
 			prometheus.CounterValue,
-			data[messagesQueuedForDeliveryTotal].FirstValue,
+			data.MessagesQueuedForDeliveryTotal,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.messagesSubmittedTotal,
 			prometheus.CounterValue,
-			data[messagesSubmittedTotal].FirstValue,
+			data.MessagesSubmittedTotal,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.messagesDelayedTotal,
 			prometheus.CounterValue,
-			data[messagesDelayedTotal].FirstValue,
+			data.MessagesDelayedTotal,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.messagesCompletedDeliveryTotal,
 			prometheus.CounterValue,
-			data[messagesCompletedDeliveryTotal].FirstValue,
+			data.MessagesCompletedDeliveryTotal,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.shadowQueueLength,
 			prometheus.GaugeValue,
-			data[shadowQueueLength].FirstValue,
+			data.ShadowQueueLength,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.submissionQueueLength,
 			prometheus.GaugeValue,
-			data[submissionQueueLength].FirstValue,
+			data.SubmissionQueueLength,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.delayQueueLength,
 			prometheus.GaugeValue,
-			data[delayQueueLength].FirstValue,
+			data.DelayQueueLength,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.itemsCompletedDeliveryTotal,
 			prometheus.CounterValue,
-			data[itemsCompletedDeliveryTotal].FirstValue,
+			data.ItemsCompletedDeliveryTotal,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.itemsQueuedForDeliveryExpiredTotal,
 			prometheus.CounterValue,
-			data[itemsQueuedForDeliveryExpiredTotal].FirstValue,
+			data.ItemsQueuedForDeliveryExpiredTotal,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.itemsQueuedForDeliveryTotal,
 			prometheus.CounterValue,
-			data[itemsQueuedForDeliveryTotal].FirstValue,
+			data.ItemsQueuedForDeliveryTotal,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.itemsResubmittedTotal,
 			prometheus.CounterValue,
-			data[itemsResubmittedTotal].FirstValue,
+			data.ItemsResubmittedTotal,
 			labelName,
 		)
 	}

internal/collector/exchange/exchange_workload_management.go

@@ -18,31 +18,36 @@ package exchange
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
-const (
-	activeTasks    = "ActiveTasks"
-	completedTasks = "CompletedTasks"
-	queuedTasks    = "QueuedTasks"
-	yieldedTasks   = "YieldedTasks"
-	isActive       = "Active"
-)
+type collectorWorkloadManagementWorkloads struct {
+	perfDataCollectorWorkloadManagementWorkloads *pdh.Collector
+	perfDataObjectWorkloadManagementWorkloads    []perfDataCounterValuesWorkloadManagementWorkloads
+
+	activeTasks    *prometheus.Desc
+	isActive       *prometheus.Desc
+	completedTasks *prometheus.Desc
+	queuedTasks    *prometheus.Desc
+	yieldedTasks   *prometheus.Desc
+}
+
+type perfDataCounterValuesWorkloadManagementWorkloads struct {
+	Name string
+
+	ActiveTasks    float64 `perfdata:"ActiveTasks"`
+	CompletedTasks float64 `perfdata:"CompletedTasks"`
+	QueuedTasks    float64 `perfdata:"QueuedTasks"`
+	YieldedTasks   float64 `perfdata:"YieldedTasks"`
+	IsActive       float64 `perfdata:"Active"`
+}
 
 func (c *Collector) buildWorkloadManagementWorkloads() error {
-	counters := []string{
-		activeTasks,
-		completedTasks,
-		queuedTasks,
-		yieldedTasks,
-		isActive,
-	}
-
 	var err error
 
-	c.perfDataCollectorWorkloadManagementWorkloads, err = perfdata.NewCollector("MSExchange WorkloadManagement Workloads", perfdata.InstancesAll, counters)
+	c.perfDataCollectorWorkloadManagementWorkloads, err = pdh.NewCollector[perfDataCounterValuesWorkloadManagementWorkloads]("MSExchange WorkloadManagement Workloads", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create MSExchange WorkloadManagement Workloads collector: %w", err)
 	}
@@ -82,46 +87,42 @@ func (c *Collector) buildWorkloadManagementWorkloads() error {
 }
 
 func (c *Collector) collectWorkloadManagementWorkloads(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorWorkloadManagementWorkloads.Collect()
+	err := c.perfDataCollectorWorkloadManagementWorkloads.Collect(&c.perfDataObjectWorkloadManagementWorkloads)
 	if err != nil {
 		return fmt.Errorf("failed to collect MSExchange WorkloadManagement Workloads: %w", err)
 	}
 
-	if len(perfData) == 0 {
-		return fmt.Errorf("failed to collect MSExchange WorkloadManagement Workloads metrics: %w", types.ErrNoData)
-	}
-
-	for name, data := range perfData {
-		labelName := c.toLabelName(name)
+	for _, data := range c.perfDataObjectWorkloadManagementWorkloads {
+		labelName := c.toLabelName(data.Name)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.activeTasks,
 			prometheus.GaugeValue,
-			data[activeTasks].FirstValue,
+			data.ActiveTasks,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.completedTasks,
 			prometheus.CounterValue,
-			data[completedTasks].FirstValue,
+			data.CompletedTasks,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.queuedTasks,
 			prometheus.CounterValue,
-			data[queuedTasks].FirstValue,
+			data.QueuedTasks,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.yieldedTasks,
 			prometheus.CounterValue,
-			data[yieldedTasks].FirstValue,
+			data.YieldedTasks,
 			labelName,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.isActive,
 			prometheus.GaugeValue,
-			data[isActive].FirstValue,
+			data.IsActive,
 			labelName,
 		)
 	}

internal/collector/fsrmquota/fsrmquota_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, fsrmquota.Name, fsrmquota.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, fsrmquota.New, nil)
+}

internal/collector/hyperv/hyperv_datastore.go

@@ -18,14 +18,15 @@ package hyperv
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorDataStore Hyper-V DataStore metrics
 type collectorDataStore struct {
-	perfDataCollectorDataStore *perfdata.Collector
+	perfDataCollectorDataStore *pdh.Collector
+	perfDataObjectDataStore    []perfDataCounterValuesDataStore
 
 	dataStoreFragmentationRatio          *prometheus.Desc // \Hyper-V DataStore(*)\Fragmentation ratio
 	dataStoreSectorSize                  *prometheus.Desc // \Hyper-V DataStore(*)\Sector size
@@ -75,107 +76,61 @@ type collectorDataStore struct {
 	dataStoreSetOperationCount           *prometheus.Desc // \Hyper-V DataStore(*)\Set operation count
 }
 
-const (
+type perfDataCounterValuesDataStore struct {
+	Name string
 	// Hyper-V DataStore metrics
-	dataStoreFragmentationRatio          = "Fragmentation ratio"
-	dataStoreSectorSize                  = "Sector size"
-	dataStoreDataAlignment               = "Data alignment"
-	dataStoreCurrentReplayLogSize        = "Current replay logSize"
-	dataStoreAvailableEntries            = "Number of available entries inside object tables"
-	dataStoreEmptyEntries                = "Number of empty entries inside object tables"
-	dataStoreFreeBytes                   = "Number of free bytes inside key tables"
-	dataStoreDataEnd                     = "Data end"
-	dataStoreFileObjects                 = "Number of file objects"
-	dataStoreObjectTables                = "Number of object tables"
-	dataStoreKeyTables                   = "Number of key tables"
-	dataStoreFileDataSize                = "File data size in bytes"
-	dataStoreTableDataSize               = "Table data size in bytes"
-	dataStoreNamesSize                   = "Names size in bytes"
-	dataStoreNumberOfKeys                = "Number of keys"
-	dataStoreReconnectLatencyMicro       = "Reconnect latency microseconds"
-	dataStoreDisconnectCount             = "Disconnect count"
-	dataStoreWriteToFileByteLatency      = "Write to file byte latency microseconds"
-	dataStoreWriteToFileByteCount        = "Write to file byte count"
-	dataStoreWriteToFileCount            = "Write to file count"
-	dataStoreReadFromFileByteLatency     = "Read from file byte latency microseconds"
-	dataStoreReadFromFileByteCount       = "Read from file byte count"
-	dataStoreReadFromFileCount           = "Read from file count"
-	dataStoreWriteToStorageByteLatency   = "Write to storage byte latency microseconds"
-	dataStoreWriteToStorageByteCount     = "Write to storage byte count"
-	dataStoreWriteToStorageCount         = "Write to storage count"
-	dataStoreReadFromStorageByteLatency  = "Read from storage byte latency microseconds"
-	dataStoreReadFromStorageByteCount    = "Read from storage byte count"
-	dataStoreReadFromStorageCount        = "Read from storage count"
-	dataStoreCommitByteLatency           = "Commit byte latency microseconds"
-	dataStoreCommitByteCount             = "Commit byte count"
-	dataStoreCommitCount                 = "Commit count"
-	dataStoreCacheUpdateOperationLatency = "Cache update operation latency microseconds"
-	dataStoreCacheUpdateOperationCount   = "Cache update operation count"
-	dataStoreCommitOperationLatency      = "Commit operation latency microseconds"
-	dataStoreCommitOperationCount        = "Commit operation count"
-	dataStoreCompactOperationLatency     = "Compact operation latency microseconds"
-	dataStoreCompactOperationCount       = "Compact operation count"
-	dataStoreLoadFileOperationLatency    = "Load file operation latency microseconds"
-	dataStoreLoadFileOperationCount      = "Load file operation count"
-	dataStoreRemoveOperationLatency      = "Remove operation latency microseconds"
-	dataStoreRemoveOperationCount        = "Remove operation count"
-	dataStoreQuerySizeOperationLatency   = "Query size operation latency microseconds"
-	dataStoreQuerySizeOperationCount     = "Query size operation count"
-	dataStoreSetOperationLatencyMicro    = "Set operation latency microseconds"
-	dataStoreSetOperationCount           = "Set operation count"
-)
+	DataStoreFragmentationRatio          float64 `perfdata:"Fragmentation ratio"`
+	DataStoreSectorSize                  float64 `perfdata:"Sector size"`
+	DataStoreDataAlignment               float64 `perfdata:"Data alignment"`
+	DataStoreCurrentReplayLogSize        float64 `perfdata:"Current replay logSize"`
+	DataStoreAvailableEntries            float64 `perfdata:"Number of available entries inside object tables"`
+	DataStoreEmptyEntries                float64 `perfdata:"Number of empty entries inside object tables"`
+	DataStoreFreeBytes                   float64 `perfdata:"Number of free bytes inside key tables"`
+	DataStoreDataEnd                     float64 `perfdata:"Data end"`
+	DataStoreFileObjects                 float64 `perfdata:"Number of file objects"`
+	DataStoreObjectTables                float64 `perfdata:"Number of object tables"`
+	DataStoreKeyTables                   float64 `perfdata:"Number of key tables"`
+	DataStoreFileDataSize                float64 `perfdata:"File data size in bytes"`
+	DataStoreTableDataSize               float64 `perfdata:"Table data size in bytes"`
+	DataStoreNamesSize                   float64 `perfdata:"Names size in bytes"`
+	DataStoreNumberOfKeys                float64 `perfdata:"Number of keys"`
+	DataStoreReconnectLatencyMicro       float64 `perfdata:"Reconnect latency microseconds"`
+	DataStoreDisconnectCount             float64 `perfdata:"Disconnect count"`
+	DataStoreWriteToFileByteLatency      float64 `perfdata:"Write to file byte latency microseconds"`
+	DataStoreWriteToFileByteCount        float64 `perfdata:"Write to file byte count"`
+	DataStoreWriteToFileCount            float64 `perfdata:"Write to file count"`
+	DataStoreReadFromFileByteLatency     float64 `perfdata:"Read from file byte latency microseconds"`
+	DataStoreReadFromFileByteCount       float64 `perfdata:"Read from file byte count"`
+	DataStoreReadFromFileCount           float64 `perfdata:"Read from file count"`
+	DataStoreWriteToStorageByteLatency   float64 `perfdata:"Write to storage byte latency microseconds"`
+	DataStoreWriteToStorageByteCount     float64 `perfdata:"Write to storage byte count"`
+	DataStoreWriteToStorageCount         float64 `perfdata:"Write to storage count"`
+	DataStoreReadFromStorageByteLatency  float64 `perfdata:"Read from storage byte latency microseconds"`
+	DataStoreReadFromStorageByteCount    float64 `perfdata:"Read from storage byte count"`
+	DataStoreReadFromStorageCount        float64 `perfdata:"Read from storage count"`
+	DataStoreCommitByteLatency           float64 `perfdata:"Commit byte latency microseconds"`
+	DataStoreCommitByteCount             float64 `perfdata:"Commit byte count"`
+	DataStoreCommitCount                 float64 `perfdata:"Commit count"`
+	DataStoreCacheUpdateOperationLatency float64 `perfdata:"Cache update operation latency microseconds"`
+	DataStoreCacheUpdateOperationCount   float64 `perfdata:"Cache update operation count"`
+	DataStoreCommitOperationLatency      float64 `perfdata:"Commit operation latency microseconds"`
+	DataStoreCommitOperationCount        float64 `perfdata:"Commit operation count"`
+	DataStoreCompactOperationLatency     float64 `perfdata:"Compact operation latency microseconds"`
+	DataStoreCompactOperationCount       float64 `perfdata:"Compact operation count"`
+	DataStoreLoadFileOperationLatency    float64 `perfdata:"Load file operation latency microseconds"`
+	DataStoreLoadFileOperationCount      float64 `perfdata:"Load file operation count"`
+	DataStoreRemoveOperationLatency      float64 `perfdata:"Remove operation latency microseconds"`
+	DataStoreRemoveOperationCount        float64 `perfdata:"Remove operation count"`
+	DataStoreQuerySizeOperationLatency   float64 `perfdata:"Query size operation latency microseconds"`
+	DataStoreQuerySizeOperationCount     float64 `perfdata:"Query size operation count"`
+	DataStoreSetOperationLatencyMicro    float64 `perfdata:"Set operation latency microseconds"`
+	DataStoreSetOperationCount           float64 `perfdata:"Set operation count"`
+}
 
 func (c *Collector) buildDataStore() error {
 	var err error
 
-	c.perfDataCollectorDataStore, err = perfdata.NewCollector("Hyper-V DataStore", perfdata.InstancesAll, []string{
-		dataStoreFragmentationRatio,
-		dataStoreSectorSize,
-		dataStoreDataAlignment,
-		dataStoreCurrentReplayLogSize,
-		dataStoreAvailableEntries,
-		dataStoreEmptyEntries,
-		dataStoreFreeBytes,
-		dataStoreDataEnd,
-		dataStoreFileObjects,
-		dataStoreObjectTables,
-		dataStoreKeyTables,
-		dataStoreFileDataSize,
-		dataStoreTableDataSize,
-		dataStoreNamesSize,
-		dataStoreNumberOfKeys,
-		dataStoreReconnectLatencyMicro,
-		dataStoreDisconnectCount,
-		dataStoreWriteToFileByteLatency,
-		dataStoreWriteToFileByteCount,
-		dataStoreWriteToFileCount,
-		dataStoreReadFromFileByteLatency,
-		dataStoreReadFromFileByteCount,
-		dataStoreReadFromFileCount,
-		dataStoreWriteToStorageByteLatency,
-		dataStoreWriteToStorageByteCount,
-		dataStoreWriteToStorageCount,
-		dataStoreReadFromStorageByteLatency,
-		dataStoreReadFromStorageByteCount,
-		dataStoreReadFromStorageCount,
-		dataStoreCommitByteLatency,
-		dataStoreCommitByteCount,
-		dataStoreCommitCount,
-		dataStoreCacheUpdateOperationLatency,
-		dataStoreCacheUpdateOperationCount,
-		dataStoreCommitOperationLatency,
-		dataStoreCommitOperationCount,
-		dataStoreCompactOperationLatency,
-		dataStoreCompactOperationCount,
-		dataStoreLoadFileOperationLatency,
-		dataStoreLoadFileOperationCount,
-		dataStoreRemoveOperationLatency,
-		dataStoreRemoveOperationCount,
-		dataStoreQuerySizeOperationLatency,
-		dataStoreQuerySizeOperationCount,
-		dataStoreSetOperationLatencyMicro,
-		dataStoreSetOperationCount,
-	})
+	c.perfDataCollectorDataStore, err = pdh.NewCollector[perfDataCounterValuesDataStore]("Hyper-V DataStore", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V DataStore collector: %w", err)
 	}
@@ -461,332 +416,332 @@ func (c *Collector) buildDataStore() error {
 }
 
 func (c *Collector) collectDataStore(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorDataStore.Collect()
+	err := c.perfDataCollectorDataStore.Collect(&c.perfDataObjectDataStore)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V DataStore metrics: %w", err)
 	}
 
-	for name, page := range data {
+	for _, data := range c.perfDataObjectDataStore {
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreFragmentationRatio,
 			prometheus.GaugeValue,
-			page[dataStoreFragmentationRatio].FirstValue,
-			name,
+			data.DataStoreFragmentationRatio,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreSectorSize,
 			prometheus.GaugeValue,
-			page[dataStoreSectorSize].FirstValue,
-			name,
+			data.DataStoreSectorSize,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreDataAlignment,
 			prometheus.GaugeValue,
-			page[dataStoreDataAlignment].FirstValue,
-			name,
+			data.DataStoreDataAlignment,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreCurrentReplayLogSize,
 			prometheus.GaugeValue,
-			page[dataStoreCurrentReplayLogSize].FirstValue,
-			name,
+			data.DataStoreCurrentReplayLogSize,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreAvailableEntries,
 			prometheus.GaugeValue,
-			page[dataStoreAvailableEntries].FirstValue,
-			name,
+			data.DataStoreAvailableEntries,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreEmptyEntries,
 			prometheus.GaugeValue,
-			page[dataStoreEmptyEntries].FirstValue,
-			name,
+			data.DataStoreEmptyEntries,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreFreeBytes,
 			prometheus.GaugeValue,
-			page[dataStoreFreeBytes].FirstValue,
-			name,
+			data.DataStoreFreeBytes,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreDataEnd,
 			prometheus.GaugeValue,
-			page[dataStoreDataEnd].FirstValue,
-			name,
+			data.DataStoreDataEnd,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreFileObjects,
 			prometheus.GaugeValue,
-			page[dataStoreFileObjects].FirstValue,
-			name,
+			data.DataStoreFileObjects,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreObjectTables,
 			prometheus.GaugeValue,
-			page[dataStoreObjectTables].FirstValue,
-			name,
+			data.DataStoreObjectTables,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreKeyTables,
 			prometheus.GaugeValue,
-			page[dataStoreKeyTables].FirstValue,
-			name,
+			data.DataStoreKeyTables,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreFileDataSize,
 			prometheus.GaugeValue,
-			page[dataStoreFileDataSize].FirstValue,
-			name,
+			data.DataStoreFileDataSize,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreTableDataSize,
 			prometheus.GaugeValue,
-			page[dataStoreTableDataSize].FirstValue,
-			name,
+			data.DataStoreTableDataSize,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreNamesSize,
 			prometheus.GaugeValue,
-			page[dataStoreNamesSize].FirstValue,
-			name,
+			data.DataStoreNamesSize,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreNumberOfKeys,
 			prometheus.GaugeValue,
-			page[dataStoreNumberOfKeys].FirstValue,
-			name,
+			data.DataStoreNumberOfKeys,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreReconnectLatencyMicro,
 			prometheus.GaugeValue,
-			page[dataStoreReconnectLatencyMicro].FirstValue,
-			name,
+			data.DataStoreReconnectLatencyMicro,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreDisconnectCount,
 			prometheus.CounterValue,
-			page[dataStoreDisconnectCount].FirstValue,
-			name,
+			data.DataStoreDisconnectCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreWriteToFileByteLatency,
 			prometheus.GaugeValue,
-			page[dataStoreWriteToFileByteLatency].FirstValue,
-			name,
+			data.DataStoreWriteToFileByteLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreWriteToFileByteCount,
 			prometheus.CounterValue,
-			page[dataStoreWriteToFileByteCount].FirstValue,
-			name,
+			data.DataStoreWriteToFileByteCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreWriteToFileCount,
 			prometheus.CounterValue,
-			page[dataStoreWriteToFileCount].FirstValue,
-			name,
+			data.DataStoreWriteToFileCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreReadFromFileByteLatency,
 			prometheus.GaugeValue,
-			page[dataStoreReadFromFileByteLatency].FirstValue,
-			name,
+			data.DataStoreReadFromFileByteLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreReadFromFileByteCount,
 			prometheus.CounterValue,
-			page[dataStoreReadFromFileByteCount].FirstValue,
-			name,
+			data.DataStoreReadFromFileByteCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreReadFromFileCount,
 			prometheus.CounterValue,
-			page[dataStoreReadFromFileCount].FirstValue,
-			name,
+			data.DataStoreReadFromFileCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreWriteToStorageByteLatency,
 			prometheus.GaugeValue,
-			page[dataStoreWriteToStorageByteLatency].FirstValue,
-			name,
+			data.DataStoreWriteToStorageByteLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreWriteToStorageByteCount,
 			prometheus.CounterValue,
-			page[dataStoreWriteToStorageByteCount].FirstValue,
-			name,
+			data.DataStoreWriteToStorageByteCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreWriteToStorageCount,
 			prometheus.CounterValue,
-			page[dataStoreWriteToStorageCount].FirstValue,
-			name,
+			data.DataStoreWriteToStorageCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreReadFromStorageByteLatency,
 			prometheus.GaugeValue,
-			page[dataStoreReadFromStorageByteLatency].FirstValue,
-			name,
+			data.DataStoreReadFromStorageByteLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreReadFromStorageByteCount,
 			prometheus.CounterValue,
-			page[dataStoreReadFromStorageByteCount].FirstValue,
-			name,
+			data.DataStoreReadFromStorageByteCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreReadFromStorageCount,
 			prometheus.CounterValue,
-			page[dataStoreReadFromStorageCount].FirstValue,
-			name,
+			data.DataStoreReadFromStorageCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreCommitByteLatency,
 			prometheus.GaugeValue,
-			page[dataStoreCommitByteLatency].FirstValue,
-			name,
+			data.DataStoreCommitByteLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreCommitByteCount,
 			prometheus.CounterValue,
-			page[dataStoreCommitByteCount].FirstValue,
-			name,
+			data.DataStoreCommitByteCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreCommitCount,
 			prometheus.CounterValue,
-			page[dataStoreCommitCount].FirstValue,
-			name,
+			data.DataStoreCommitCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreCacheUpdateOperationLatency,
 			prometheus.GaugeValue,
-			page[dataStoreCacheUpdateOperationLatency].FirstValue,
-			name,
+			data.DataStoreCacheUpdateOperationLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreCacheUpdateOperationCount,
 			prometheus.CounterValue,
-			page[dataStoreCacheUpdateOperationCount].FirstValue,
-			name,
+			data.DataStoreCacheUpdateOperationCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreCommitOperationLatency,
 			prometheus.GaugeValue,
-			page[dataStoreCommitOperationLatency].FirstValue,
-			name,
+			data.DataStoreCommitOperationLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreCommitOperationCount,
 			prometheus.CounterValue,
-			page[dataStoreCommitOperationCount].FirstValue,
-			name,
+			data.DataStoreCommitOperationCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreCompactOperationLatency,
 			prometheus.GaugeValue,
-			page[dataStoreCompactOperationLatency].FirstValue,
-			name,
+			data.DataStoreCompactOperationLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreCompactOperationCount,
 			prometheus.CounterValue,
-			page[dataStoreCompactOperationCount].FirstValue,
-			name,
+			data.DataStoreCompactOperationCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreLoadFileOperationLatency,
 			prometheus.GaugeValue,
-			page[dataStoreLoadFileOperationLatency].FirstValue,
-			name,
+			data.DataStoreLoadFileOperationLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreLoadFileOperationCount,
 			prometheus.CounterValue,
-			page[dataStoreLoadFileOperationCount].FirstValue,
-			name,
+			data.DataStoreLoadFileOperationCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreRemoveOperationLatency,
 			prometheus.GaugeValue,
-			page[dataStoreRemoveOperationLatency].FirstValue,
-			name,
+			data.DataStoreRemoveOperationLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreRemoveOperationCount,
 			prometheus.CounterValue,
-			page[dataStoreRemoveOperationCount].FirstValue,
-			name,
+			data.DataStoreRemoveOperationCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreQuerySizeOperationLatency,
 			prometheus.GaugeValue,
-			page[dataStoreQuerySizeOperationLatency].FirstValue,
-			name,
+			data.DataStoreQuerySizeOperationLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreQuerySizeOperationCount,
 			prometheus.CounterValue,
-			page[dataStoreQuerySizeOperationCount].FirstValue,
-			name,
+			data.DataStoreQuerySizeOperationCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreSetOperationLatencyMicro,
 			prometheus.GaugeValue,
-			page[dataStoreSetOperationLatencyMicro].FirstValue,
-			name,
+			data.DataStoreSetOperationLatencyMicro,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dataStoreSetOperationCount,
 			prometheus.CounterValue,
-			page[dataStoreSetOperationCount].FirstValue,
-			name,
+			data.DataStoreSetOperationCount,
+			data.Name,
 		)
 	}
 

internal/collector/hyperv/hyperv_dynamic_memory_balancer.go

@@ -18,7 +18,7 @@ package hyperv
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus-community/windows_exporter/internal/utils"
 	"github.com/prometheus/client_golang/prometheus"
@@ -26,31 +26,30 @@ import (
 
 // collectorDynamicMemoryBalancer Hyper-V Dynamic Memory Balancer metrics
 type collectorDynamicMemoryBalancer struct {
-	perfDataCollectorDynamicMemoryBalancer             *perfdata.Collector
+	perfDataCollectorDynamicMemoryBalancer *pdh.Collector
+	perfDataObjectDynamicMemoryBalancer    []perfDataCounterValuesDynamicMemoryBalancer
+
 	vmDynamicMemoryBalancerAvailableMemoryForBalancing *prometheus.Desc // \Hyper-V Dynamic Memory Balancer(*)\Available Memory For Balancing
 	vmDynamicMemoryBalancerSystemCurrentPressure       *prometheus.Desc // \Hyper-V Dynamic Memory Balancer(*)\System Current Pressure
 	vmDynamicMemoryBalancerAvailableMemory             *prometheus.Desc // \Hyper-V Dynamic Memory Balancer(*)\Available Memory
 	vmDynamicMemoryBalancerAveragePressure             *prometheus.Desc // \Hyper-V Dynamic Memory Balancer(*)\Average Pressure
 }
 
-const (
+type perfDataCounterValuesDynamicMemoryBalancer struct {
+	Name string
+
 	// Hyper-V Dynamic Memory Balancer metrics
-	vmDynamicMemoryBalancerAvailableMemory             = "Available Memory"
-	vmDynamicMemoryBalancerAvailableMemoryForBalancing = "Available Memory For Balancing"
-	vmDynamicMemoryBalancerAveragePressure             = "Average Pressure"
-	vmDynamicMemoryBalancerSystemCurrentPressure       = "System Current Pressure"
-)
+	VmDynamicMemoryBalancerAvailableMemory             float64 `perfdata:"Available Memory"`
+	VmDynamicMemoryBalancerAvailableMemoryForBalancing float64 `perfdata:"Available Memory For Balancing"`
+	VmDynamicMemoryBalancerAveragePressure             float64 `perfdata:"Average Pressure"`
+	VmDynamicMemoryBalancerSystemCurrentPressure       float64 `perfdata:"System Current Pressure"`
+}
 
 func (c *Collector) buildDynamicMemoryBalancer() error {
 	var err error
 
 	// https://learn.microsoft.com/en-us/archive/blogs/chrisavis/monitoring-dynamic-memory-in-windows-server-hyper-v-2012
-	c.perfDataCollectorDynamicMemoryBalancer, err = perfdata.NewCollector("Hyper-V Dynamic Memory Balancer", perfdata.InstancesAll, []string{
-		vmDynamicMemoryBalancerAvailableMemory,
-		vmDynamicMemoryBalancerAvailableMemoryForBalancing,
-		vmDynamicMemoryBalancerAveragePressure,
-		vmDynamicMemoryBalancerSystemCurrentPressure,
-	})
+	c.perfDataCollectorDynamicMemoryBalancer, err = pdh.NewCollector[perfDataCounterValuesDynamicMemoryBalancer]("Hyper-V Dynamic Memory Balancer", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Virtual Machine Health Summary collector: %w", err)
 	}
@@ -84,38 +83,38 @@ func (c *Collector) buildDynamicMemoryBalancer() error {
 }
 
 func (c *Collector) collectDynamicMemoryBalancer(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorDynamicMemoryBalancer.Collect()
+	err := c.perfDataCollectorDynamicMemoryBalancer.Collect(&c.perfDataObjectDynamicMemoryBalancer)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Dynamic Memory Balancer metrics: %w", err)
 	}
 
-	for name, page := range data {
+	for _, data := range c.perfDataObjectDynamicMemoryBalancer {
 		ch <- prometheus.MustNewConstMetric(
 			c.vmDynamicMemoryBalancerAvailableMemory,
 			prometheus.GaugeValue,
-			utils.MBToBytes(page[vmDynamicMemoryBalancerAvailableMemory].FirstValue),
-			name,
+			utils.MBToBytes(data.VmDynamicMemoryBalancerAvailableMemory),
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmDynamicMemoryBalancerAvailableMemoryForBalancing,
 			prometheus.GaugeValue,
-			utils.MBToBytes(page[vmDynamicMemoryBalancerAvailableMemoryForBalancing].FirstValue),
-			name,
+			utils.MBToBytes(data.VmDynamicMemoryBalancerAvailableMemoryForBalancing),
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmDynamicMemoryBalancerAveragePressure,
 			prometheus.GaugeValue,
-			utils.PercentageToRatio(page[vmDynamicMemoryBalancerAveragePressure].FirstValue),
-			name,
+			utils.PercentageToRatio(data.VmDynamicMemoryBalancerAveragePressure),
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmDynamicMemoryBalancerSystemCurrentPressure,
 			prometheus.GaugeValue,
-			utils.PercentageToRatio(page[vmDynamicMemoryBalancerSystemCurrentPressure].FirstValue),
-			name,
+			utils.PercentageToRatio(data.VmDynamicMemoryBalancerSystemCurrentPressure),
+			data.Name,
 		)
 	}
 

internal/collector/hyperv/hyperv_dynamic_memory_vm.go

@@ -18,7 +18,7 @@ package hyperv
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus-community/windows_exporter/internal/utils"
 	"github.com/prometheus/client_golang/prometheus"
@@ -26,7 +26,9 @@ import (
 
 // collectorDynamicMemoryVM Hyper-V Dynamic Memory VM metrics
 type collectorDynamicMemoryVM struct {
-	perfDataCollectorDynamicMemoryVM   *perfdata.Collector
+	perfDataCollectorDynamicMemoryVM *pdh.Collector
+	perfDataObjectDynamicMemoryVM    []perfDataCounterValuesDynamicMemoryVM
+
 	vmMemoryAddedMemory                *prometheus.Desc // \Hyper-V Dynamic Memory VM(*)\Added Memory
 	vmMemoryCurrentPressure            *prometheus.Desc // \Hyper-V Dynamic Memory VM(*)\Current Pressure
 	vmMemoryGuestVisiblePhysicalMemory *prometheus.Desc // \Hyper-V Dynamic Memory VM(*)\Guest Visible Physical Memory
@@ -39,35 +41,26 @@ type collectorDynamicMemoryVM struct {
 	vmMemoryGuestAvailableMemory       *prometheus.Desc // \Hyper-V Dynamic Memory VM(*)\Guest Available Memory
 }
 
-const (
+type perfDataCounterValuesDynamicMemoryVM struct {
+	Name string
+
 	// Hyper-V Dynamic Memory VM metrics
-	vmMemoryAddedMemory                = "Added Memory"
-	vmMemoryCurrentPressure            = "Current Pressure"
-	vmMemoryGuestAvailableMemory       = "Guest Available Memory"
-	vmMemoryGuestVisiblePhysicalMemory = "Guest Visible Physical Memory"
-	vmMemoryMaximumPressure            = "Maximum Pressure"
-	vmMemoryMemoryAddOperations        = "Memory Add Operations"
-	vmMemoryMemoryRemoveOperations     = "Memory Remove Operations"
-	vmMemoryMinimumPressure            = "Minimum Pressure"
-	vmMemoryPhysicalMemory             = "Physical Memory"
-	vmMemoryRemovedMemory              = "Removed Memory"
-)
+	VmMemoryAddedMemory                float64 `perfdata:"Added Memory"`
+	VmMemoryCurrentPressure            float64 `perfdata:"Current Pressure"`
+	VmMemoryGuestAvailableMemory       float64 `perfdata:"Guest Available Memory"`
+	VmMemoryGuestVisiblePhysicalMemory float64 `perfdata:"Guest Visible Physical Memory"`
+	VmMemoryMaximumPressure            float64 `perfdata:"Maximum Pressure"`
+	VmMemoryMemoryAddOperations        float64 `perfdata:"Memory Add Operations"`
+	VmMemoryMemoryRemoveOperations     float64 `perfdata:"Memory Remove Operations"`
+	VmMemoryMinimumPressure            float64 `perfdata:"Minimum Pressure"`
+	VmMemoryPhysicalMemory             float64 `perfdata:"Physical Memory"`
+	VmMemoryRemovedMemory              float64 `perfdata:"Removed Memory"`
+}
 
 func (c *Collector) buildDynamicMemoryVM() error {
 	var err error
 
-	c.perfDataCollectorDynamicMemoryVM, err = perfdata.NewCollector("Hyper-V Dynamic Memory VM", perfdata.InstancesAll, []string{
-		vmMemoryAddedMemory,
-		vmMemoryCurrentPressure,
-		vmMemoryGuestVisiblePhysicalMemory,
-		vmMemoryMaximumPressure,
-		vmMemoryMemoryAddOperations,
-		vmMemoryMemoryRemoveOperations,
-		vmMemoryMinimumPressure,
-		vmMemoryPhysicalMemory,
-		vmMemoryRemovedMemory,
-		vmMemoryGuestAvailableMemory,
-	})
+	c.perfDataCollectorDynamicMemoryVM, err = pdh.NewCollector[perfDataCounterValuesDynamicMemoryVM]("Hyper-V Dynamic Memory VM", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Dynamic Memory VM collector: %w", err)
 	}
@@ -137,80 +130,80 @@ func (c *Collector) buildDynamicMemoryVM() error {
 }
 
 func (c *Collector) collectDynamicMemoryVM(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorDynamicMemoryVM.Collect()
+	err := c.perfDataCollectorDynamicMemoryVM.Collect(&c.perfDataObjectDynamicMemoryVM)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Dynamic Memory VM metrics: %w", err)
 	}
 
-	for vmName, vmData := range data {
+	for _, data := range c.perfDataObjectDynamicMemoryVM {
 		ch <- prometheus.MustNewConstMetric(
 			c.vmMemoryAddedMemory,
 			prometheus.CounterValue,
-			utils.MBToBytes(vmData[vmMemoryAddedMemory].FirstValue),
-			vmName,
+			utils.MBToBytes(data.VmMemoryAddedMemory),
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmMemoryCurrentPressure,
 			prometheus.GaugeValue,
-			utils.PercentageToRatio(vmData[vmMemoryCurrentPressure].FirstValue),
-			vmName,
+			utils.PercentageToRatio(data.VmMemoryCurrentPressure),
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmMemoryGuestAvailableMemory,
 			prometheus.GaugeValue,
-			utils.MBToBytes(vmData[vmMemoryGuestAvailableMemory].FirstValue),
-			vmName,
+			utils.MBToBytes(data.VmMemoryGuestAvailableMemory),
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmMemoryGuestVisiblePhysicalMemory,
 			prometheus.GaugeValue,
-			utils.MBToBytes(vmData[vmMemoryGuestVisiblePhysicalMemory].FirstValue),
-			vmName,
+			utils.MBToBytes(data.VmMemoryGuestVisiblePhysicalMemory),
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmMemoryMaximumPressure,
 			prometheus.GaugeValue,
-			utils.PercentageToRatio(vmData[vmMemoryMaximumPressure].FirstValue),
-			vmName,
+			utils.PercentageToRatio(data.VmMemoryMaximumPressure),
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmMemoryMemoryAddOperations,
 			prometheus.CounterValue,
-			vmData[vmMemoryMemoryAddOperations].FirstValue,
-			vmName,
+			data.VmMemoryMemoryAddOperations,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmMemoryMemoryRemoveOperations,
 			prometheus.CounterValue,
-			vmData[vmMemoryMemoryRemoveOperations].FirstValue,
-			vmName,
+			data.VmMemoryMemoryRemoveOperations,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmMemoryMinimumPressure,
 			prometheus.GaugeValue,
-			utils.PercentageToRatio(vmData[vmMemoryMinimumPressure].FirstValue),
-			vmName,
+			utils.PercentageToRatio(data.VmMemoryMinimumPressure),
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmMemoryPhysicalMemory,
 			prometheus.GaugeValue,
-			utils.MBToBytes(vmData[vmMemoryPhysicalMemory].FirstValue),
-			vmName,
+			utils.MBToBytes(data.VmMemoryPhysicalMemory),
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.vmMemoryRemovedMemory,
 			prometheus.CounterValue,
-			utils.MBToBytes(vmData[vmMemoryRemovedMemory].FirstValue),
-			vmName,
+			utils.MBToBytes(data.VmMemoryRemovedMemory),
+			data.Name,
 		)
 	}
 

internal/collector/hyperv/hyperv_hypervisor_logical_processor.go

@@ -19,14 +19,15 @@ import (
 	"fmt"
 	"strings"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorHypervisorLogicalProcessor Hyper-V Hypervisor Logical Processor metrics
 type collectorHypervisorLogicalProcessor struct {
-	perfDataCollectorHypervisorLogicalProcessor *perfdata.Collector
+	perfDataCollectorHypervisorLogicalProcessor *pdh.Collector
+	perfDataObjectHypervisorLogicalProcessor    []perfDataCounterValuesHypervisorLogicalProcessor
 
 	// \Hyper-V Hypervisor Logical Processor(*)\% Guest Run Time
 	// \Hyper-V Hypervisor Logical Processor(*)\% Hypervisor Run Time
@@ -36,24 +37,20 @@ type collectorHypervisorLogicalProcessor struct {
 	hypervisorLogicalProcessorContextSwitches   *prometheus.Desc // \Hyper-V Hypervisor Logical Processor(*)\Context Switches/sec
 }
 
-const (
-	hypervisorLogicalProcessorGuestRunTimePercent      = "% Guest Run Time"
-	hypervisorLogicalProcessorHypervisorRunTimePercent = "% Hypervisor Run Time"
-	hypervisorLogicalProcessorTotalRunTimePercent      = "% Total Run Time"
-	hypervisorLogicalProcessorIdleRunTimePercent       = "% Idle Time"
-	hypervisorLogicalProcessorContextSwitches          = "Context Switches/sec"
-)
+type perfDataCounterValuesHypervisorLogicalProcessor struct {
+	Name string
+
+	HypervisorLogicalProcessorGuestRunTimePercent      float64 `perfdata:"% Guest Run Time"`
+	HypervisorLogicalProcessorHypervisorRunTimePercent float64 `perfdata:"% Hypervisor Run Time"`
+	HypervisorLogicalProcessorTotalRunTimePercent      float64 `perfdata:"% Total Run Time"`
+	HypervisorLogicalProcessorIdleRunTimePercent       float64 `perfdata:"% Idle Time"`
+	HypervisorLogicalProcessorContextSwitches          float64 `perfdata:"Context Switches/sec"`
+}
 
 func (c *Collector) buildHypervisorLogicalProcessor() error {
 	var err error
 
-	c.perfDataCollectorHypervisorLogicalProcessor, err = perfdata.NewCollector("Hyper-V Hypervisor Logical Processor", perfdata.InstancesAll, []string{
-		hypervisorLogicalProcessorGuestRunTimePercent,
-		hypervisorLogicalProcessorHypervisorRunTimePercent,
-		hypervisorLogicalProcessorTotalRunTimePercent,
-		hypervisorLogicalProcessorIdleRunTimePercent,
-		hypervisorLogicalProcessorContextSwitches,
-	})
+	c.perfDataCollectorHypervisorLogicalProcessor, err = pdh.NewCollector[perfDataCounterValuesHypervisorLogicalProcessor]("Hyper-V Hypervisor Logical Processor", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Hypervisor Logical Processor collector: %w", err)
 	}
@@ -82,53 +79,53 @@ func (c *Collector) buildHypervisorLogicalProcessor() error {
 }
 
 func (c *Collector) collectHypervisorLogicalProcessor(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorHypervisorLogicalProcessor.Collect()
+	err := c.perfDataCollectorHypervisorLogicalProcessor.Collect(&c.perfDataObjectHypervisorLogicalProcessor)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Hypervisor Logical Processor metrics: %w", err)
 	}
 
-	for coreName, coreData := range data {
+	for _, data := range c.perfDataObjectHypervisorLogicalProcessor {
 		// The name format is Hv LP <core id>
-		parts := strings.Split(coreName, " ")
+		parts := strings.Split(data.Name, " ")
 		if len(parts) != 3 {
-			return fmt.Errorf("unexpected Hyper-V Hypervisor Logical Processor name format: %s", coreName)
+			return fmt.Errorf("unexpected Hyper-V Hypervisor Logical Processor name format: %s", data.Name)
 		}
 
-		coreId := parts[2]
+		coreID := parts[2]
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorLogicalProcessorTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorLogicalProcessorGuestRunTimePercent].FirstValue,
-			coreId, "guest",
+			data.HypervisorLogicalProcessorGuestRunTimePercent,
+			coreID, "guest",
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorLogicalProcessorTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorLogicalProcessorHypervisorRunTimePercent].FirstValue,
-			coreId, "hypervisor",
+			data.HypervisorLogicalProcessorHypervisorRunTimePercent,
+			coreID, "hypervisor",
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorLogicalProcessorTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorLogicalProcessorIdleRunTimePercent].FirstValue,
-			coreId, "idle",
+			data.HypervisorLogicalProcessorIdleRunTimePercent,
+			coreID, "idle",
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorLogicalProcessorTotalRunTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorLogicalProcessorTotalRunTimePercent].FirstValue,
-			coreId,
+			data.HypervisorLogicalProcessorTotalRunTimePercent,
+			coreID,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorLogicalProcessorContextSwitches,
 			prometheus.CounterValue,
-			coreData[hypervisorLogicalProcessorContextSwitches].FirstValue,
-			coreId,
+			data.HypervisorLogicalProcessorContextSwitches,
+			coreID,
 		)
 	}
 

internal/collector/hyperv/hyperv_hypervisor_root_partition.go

@@ -16,17 +16,18 @@
 package hyperv
 
 import (
-	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorHypervisorRootPartition Hyper-V Hypervisor Root Partition metrics
 type collectorHypervisorRootPartition struct {
-	perfDataCollectorHypervisorRootPartition             *perfdata.Collector
+	perfDataCollectorHypervisorRootPartition *pdh.Collector
+	perfDataObjectHypervisorRootPartition    []perfDataCounterValuesHypervisorRootPartition
+
 	hypervisorRootPartitionAddressSpaces                 *prometheus.Desc // \Hyper-V Hypervisor Root Partition(*)\Address Spaces
 	hypervisorRootPartitionAttachedDevices               *prometheus.Desc // \Hyper-V Hypervisor Root Partition(*)\Attached Devices
 	hypervisorRootPartitionDepositedPages                *prometheus.Desc // \Hyper-V Hypervisor Root Partition(*)\Deposited Pages
@@ -50,56 +51,34 @@ type collectorHypervisorRootPartition struct {
 	hypervisorRootPartitionVirtualTLBPages               *prometheus.Desc // \Hyper-V Hypervisor Root Partition(*)\Virtual TLB Pages
 }
 
-const (
-	hypervisorRootPartitionAddressSpaces                 = "Address Spaces"
-	hypervisorRootPartitionAttachedDevices               = "Attached Devices"
-	hypervisorRootPartitionDepositedPages                = "Deposited Pages"
-	hypervisorRootPartitionDeviceDMAErrors               = "Device DMA Errors"
-	hypervisorRootPartitionDeviceInterruptErrors         = "Device Interrupt Errors"
-	hypervisorRootPartitionDeviceInterruptMappings       = "Device Interrupt Mappings"
-	hypervisorRootPartitionDeviceInterruptThrottleEvents = "Device Interrupt Throttle Events"
-	hypervisorRootPartitionGPAPages                      = "GPA Pages"
-	hypervisorRootPartitionGPASpaceModifications         = "GPA Space Modifications/sec"
-	hypervisorRootPartitionIOTLBFlushCost                = "I/O TLB Flush Cost"
-	hypervisorRootPartitionIOTLBFlushes                  = "I/O TLB Flushes/sec"
-	hypervisorRootPartitionRecommendedVirtualTLBSize     = "Recommended Virtual TLB Size"
-	hypervisorRootPartitionSkippedTimerTicks             = "Skipped Timer Ticks"
-	hypervisorRootPartition1GDevicePages                 = "1G device pages"
-	hypervisorRootPartition1GGPAPages                    = "1G GPA pages"
-	hypervisorRootPartition2MDevicePages                 = "2M device pages"
-	hypervisorRootPartition2MGPAPages                    = "2M GPA pages"
-	hypervisorRootPartition4KDevicePages                 = "4K device pages"
-	hypervisorRootPartition4KGPAPages                    = "4K GPA pages"
-	hypervisorRootPartitionVirtualTLBFlushEntries        = "Virtual TLB Flush Entires/sec"
-	hypervisorRootPartitionVirtualTLBPages               = "Virtual TLB Pages"
-)
+type perfDataCounterValuesHypervisorRootPartition struct {
+	HypervisorRootPartitionAddressSpaces                 float64 `perfdata:"Address Spaces"`
+	HypervisorRootPartitionAttachedDevices               float64 `perfdata:"Attached Devices"`
+	HypervisorRootPartitionDepositedPages                float64 `perfdata:"Deposited Pages"`
+	HypervisorRootPartitionDeviceDMAErrors               float64 `perfdata:"Device DMA Errors"`
+	HypervisorRootPartitionDeviceInterruptErrors         float64 `perfdata:"Device Interrupt Errors"`
+	HypervisorRootPartitionDeviceInterruptMappings       float64 `perfdata:"Device Interrupt Mappings"`
+	HypervisorRootPartitionDeviceInterruptThrottleEvents float64 `perfdata:"Device Interrupt Throttle Events"`
+	HypervisorRootPartitionGPAPages                      float64 `perfdata:"GPA Pages"`
+	HypervisorRootPartitionGPASpaceModifications         float64 `perfdata:"GPA Space Modifications/sec"`
+	HypervisorRootPartitionIOTLBFlushCost                float64 `perfdata:"I/O TLB Flush Cost"`
+	HypervisorRootPartitionIOTLBFlushes                  float64 `perfdata:"I/O TLB Flushes/sec"`
+	HypervisorRootPartitionRecommendedVirtualTLBSize     float64 `perfdata:"Recommended Virtual TLB Size"`
+	HypervisorRootPartitionSkippedTimerTicks             float64 `perfdata:"Skipped Timer Ticks"`
+	HypervisorRootPartition1GDevicePages                 float64 `perfdata:"1G device pages"`
+	HypervisorRootPartition1GGPAPages                    float64 `perfdata:"1G GPA pages"`
+	HypervisorRootPartition2MDevicePages                 float64 `perfdata:"2M device pages"`
+	HypervisorRootPartition2MGPAPages                    float64 `perfdata:"2M GPA pages"`
+	HypervisorRootPartition4KDevicePages                 float64 `perfdata:"4K device pages"`
+	HypervisorRootPartition4KGPAPages                    float64 `perfdata:"4K GPA pages"`
+	HypervisorRootPartitionVirtualTLBFlushEntries        float64 `perfdata:"Virtual TLB Flush Entires/sec"`
+	HypervisorRootPartitionVirtualTLBPages               float64 `perfdata:"Virtual TLB Pages"`
+}
 
 func (c *Collector) buildHypervisorRootPartition() error {
 	var err error
 
-	c.perfDataCollectorHypervisorRootPartition, err = perfdata.NewCollector("Hyper-V Hypervisor Root Partition", []string{"Root"}, []string{
-		hypervisorRootPartitionAddressSpaces,
-		hypervisorRootPartitionAttachedDevices,
-		hypervisorRootPartitionDepositedPages,
-		hypervisorRootPartitionDeviceDMAErrors,
-		hypervisorRootPartitionDeviceInterruptErrors,
-		hypervisorRootPartitionDeviceInterruptMappings,
-		hypervisorRootPartitionDeviceInterruptThrottleEvents,
-		hypervisorRootPartitionGPAPages,
-		hypervisorRootPartitionGPASpaceModifications,
-		hypervisorRootPartitionIOTLBFlushCost,
-		hypervisorRootPartitionIOTLBFlushes,
-		hypervisorRootPartitionRecommendedVirtualTLBSize,
-		hypervisorRootPartitionSkippedTimerTicks,
-		hypervisorRootPartition1GDevicePages,
-		hypervisorRootPartition1GGPAPages,
-		hypervisorRootPartition2MDevicePages,
-		hypervisorRootPartition2MGPAPages,
-		hypervisorRootPartition4KDevicePages,
-		hypervisorRootPartition4KGPAPages,
-		hypervisorRootPartitionVirtualTLBFlushEntries,
-		hypervisorRootPartitionVirtualTLBPages,
-	})
+	c.perfDataCollectorHypervisorRootPartition, err = pdh.NewCollector[perfDataCounterValuesHypervisorRootPartition]("Hyper-V Hypervisor Root Partition", []string{"Root"})
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Hypervisor Root Partition collector: %w", err)
 	}
@@ -235,129 +214,124 @@ func (c *Collector) buildHypervisorRootPartition() error {
 }
 
 func (c *Collector) collectHypervisorRootPartition(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorHypervisorRootPartition.Collect()
+	err := c.perfDataCollectorHypervisorRootPartition.Collect(&c.perfDataObjectHypervisorRootPartition)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Hypervisor Root Partition metrics: %w", err)
 	}
 
-	rootData, ok := data["Root"]
-	if !ok {
-		return errors.New("no data returned from Hyper-V Hypervisor Root Partition")
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionAddressSpaces,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartitionAddressSpaces].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionAddressSpaces,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionAttachedDevices,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartitionAttachedDevices].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionAttachedDevices,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionDepositedPages,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartitionDepositedPages].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionDepositedPages,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionDeviceDMAErrors,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartitionDeviceDMAErrors].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionDeviceDMAErrors,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionDeviceInterruptErrors,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartitionDeviceInterruptErrors].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionDeviceInterruptErrors,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionDeviceInterruptThrottleEvents,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartitionDeviceInterruptThrottleEvents].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionDeviceInterruptThrottleEvents,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionGPAPages,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartitionGPAPages].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionGPAPages,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionGPASpaceModifications,
 		prometheus.CounterValue,
-		rootData[hypervisorRootPartitionGPASpaceModifications].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionGPASpaceModifications,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionIOTLBFlushCost,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartitionIOTLBFlushCost].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionIOTLBFlushCost,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionIOTLBFlushes,
 		prometheus.CounterValue,
-		rootData[hypervisorRootPartitionIOTLBFlushes].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionIOTLBFlushes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionRecommendedVirtualTLBSize,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartitionRecommendedVirtualTLBSize].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionRecommendedVirtualTLBSize,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionSkippedTimerTicks,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartitionSkippedTimerTicks].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionSkippedTimerTicks,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartition1GDevicePages,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartition1GDevicePages].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartition1GDevicePages,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartition1GGPAPages,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartition1GGPAPages].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartition1GGPAPages,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartition2MDevicePages,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartition2MDevicePages].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartition2MDevicePages,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartition2MGPAPages,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartition2MGPAPages].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartition2MGPAPages,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartition4KDevicePages,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartition4KDevicePages].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartition4KDevicePages,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartition4KGPAPages,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartition4KGPAPages].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartition4KGPAPages,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionVirtualTLBFlushEntries,
 		prometheus.CounterValue,
-		rootData[hypervisorRootPartitionVirtualTLBFlushEntries].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionVirtualTLBFlushEntries,
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.hypervisorRootPartitionVirtualTLBPages,
 		prometheus.GaugeValue,
-		rootData[hypervisorRootPartitionVirtualTLBPages].FirstValue,
+		c.perfDataObjectHypervisorRootPartition[0].HypervisorRootPartitionVirtualTLBPages,
 	)
 
 	return nil

internal/collector/hyperv/hyperv_hypervisor_root_virtual_processor.go

@@ -19,14 +19,15 @@ import (
 	"fmt"
 	"strings"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorHypervisorRootVirtualProcessor Hyper-V Hypervisor Root Virtual Processor metrics
 type collectorHypervisorRootVirtualProcessor struct {
-	perfDataCollectorHypervisorRootVirtualProcessor *perfdata.Collector
+	perfDataCollectorHypervisorRootVirtualProcessor *pdh.Collector
+	perfDataObjectHypervisorRootVirtualProcessor    []perfDataCounterValuesHypervisorRootVirtualProcessor
 
 	// \Hyper-V Hypervisor Root Virtual Processor(*)\% Guest Run Time
 	// \Hyper-V Hypervisor Root Virtual Processor(*)\% Hypervisor Run Time
@@ -37,24 +38,20 @@ type collectorHypervisorRootVirtualProcessor struct {
 	hypervisorRootVirtualProcessorCPUWaitTimePerDispatch *prometheus.Desc // \Hyper-V Hypervisor Root Virtual Processor(*)\CPU Wait Time Per Dispatch
 }
 
-const (
-	hypervisorRootVirtualProcessorGuestRunTimePercent      = "% Guest Run Time"
-	hypervisorRootVirtualProcessorHypervisorRunTimePercent = "% Hypervisor Run Time"
-	hypervisorRootVirtualProcessorTotalRunTimePercent      = "% Total Run Time"
-	hypervisorRootVirtualProcessorRemoteRunTimePercent     = "% Remote Run Time"
-	hypervisorRootVirtualProcessorCPUWaitTimePerDispatch   = "CPU Wait Time Per Dispatch"
-)
+type perfDataCounterValuesHypervisorRootVirtualProcessor struct {
+	Name string
+
+	HypervisorRootVirtualProcessorGuestRunTimePercent      float64 `perfdata:"% Guest Run Time"`
+	HypervisorRootVirtualProcessorHypervisorRunTimePercent float64 `perfdata:"% Hypervisor Run Time"`
+	HypervisorRootVirtualProcessorTotalRunTimePercent      float64 `perfdata:"% Total Run Time"`
+	HypervisorRootVirtualProcessorRemoteRunTimePercent     float64 `perfdata:"% Remote Run Time"`
+	HypervisorRootVirtualProcessorCPUWaitTimePerDispatch   float64 `perfdata:"CPU Wait Time Per Dispatch"`
+}
 
 func (c *Collector) buildHypervisorRootVirtualProcessor() error {
 	var err error
 
-	c.perfDataCollectorHypervisorRootVirtualProcessor, err = perfdata.NewCollector("Hyper-V Hypervisor Root Virtual Processor", perfdata.InstancesAll, []string{
-		hypervisorRootVirtualProcessorGuestRunTimePercent,
-		hypervisorRootVirtualProcessorHypervisorRunTimePercent,
-		hypervisorRootVirtualProcessorTotalRunTimePercent,
-		hypervisorRootVirtualProcessorRemoteRunTimePercent,
-		hypervisorRootVirtualProcessorCPUWaitTimePerDispatch,
-	})
+	c.perfDataCollectorHypervisorRootVirtualProcessor, err = pdh.NewCollector[perfDataCounterValuesHypervisorRootVirtualProcessor]("Hyper-V Hypervisor Root Virtual Processor", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Hypervisor Root Virtual Processor collector: %w", err)
 	}
@@ -84,53 +81,53 @@ func (c *Collector) buildHypervisorRootVirtualProcessor() error {
 }
 
 func (c *Collector) collectHypervisorRootVirtualProcessor(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorHypervisorRootVirtualProcessor.Collect()
+	err := c.perfDataCollectorHypervisorRootVirtualProcessor.Collect(&c.perfDataObjectHypervisorRootVirtualProcessor)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Hypervisor Root Virtual Processor metrics: %w", err)
 	}
 
-	for coreName, coreData := range data {
+	for _, data := range c.perfDataObjectHypervisorRootVirtualProcessor {
 		// The name format is Hv LP <core id>
-		parts := strings.Split(coreName, " ")
+		parts := strings.Split(data.Name, " ")
 		if len(parts) != 3 {
-			return fmt.Errorf("unexpected Hyper-V Hypervisor Root Virtual Processor name format: %s", coreName)
+			return fmt.Errorf("unexpected Hyper-V Hypervisor Root Virtual Processor name format: %s", data.Name)
 		}
 
-		coreId := parts[2]
+		coreID := parts[2]
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorRootVirtualProcessorTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorRootVirtualProcessorGuestRunTimePercent].FirstValue,
-			coreId, "guest_run",
+			data.HypervisorRootVirtualProcessorGuestRunTimePercent,
+			coreID, "guest_run",
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorRootVirtualProcessorTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorRootVirtualProcessorHypervisorRunTimePercent].FirstValue,
-			coreId, "hypervisor",
+			data.HypervisorRootVirtualProcessorHypervisorRunTimePercent,
+			coreID, "hypervisor",
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorRootVirtualProcessorTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorRootVirtualProcessorRemoteRunTimePercent].FirstValue,
-			coreId, "remote",
+			data.HypervisorRootVirtualProcessorRemoteRunTimePercent,
+			coreID, "remote",
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorRootVirtualProcessorTotalRunTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorRootVirtualProcessorTotalRunTimePercent].FirstValue,
-			coreId,
+			data.HypervisorRootVirtualProcessorTotalRunTimePercent,
+			coreID,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorRootVirtualProcessorCPUWaitTimePerDispatch,
 			prometheus.CounterValue,
-			coreData[hypervisorRootVirtualProcessorCPUWaitTimePerDispatch].FirstValue,
-			coreId,
+			data.HypervisorRootVirtualProcessorCPUWaitTimePerDispatch,
+			coreID,
 		)
 	}
 

internal/collector/hyperv/hyperv_hypervisor_virtual_processor.go

@@ -19,14 +19,15 @@ import (
 	"fmt"
 	"strings"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorHypervisorVirtualProcessor Hyper-V Hypervisor Virtual Processor metrics
 type collectorHypervisorVirtualProcessor struct {
-	perfDataCollectorHypervisorVirtualProcessor *perfdata.Collector
+	perfDataCollectorHypervisorVirtualProcessor *pdh.Collector
+	perfDataObjectHypervisorVirtualProcessor    []perfDataCounterValuesHypervisorVirtualProcessor
 
 	// \Hyper-V Hypervisor Virtual Processor(*)\% Guest Run Time
 	// \Hyper-V Hypervisor Virtual Processor(*)\% Hypervisor Run Time
@@ -36,24 +37,20 @@ type collectorHypervisorVirtualProcessor struct {
 	hypervisorVirtualProcessorContextSwitches   *prometheus.Desc // \Hyper-V Hypervisor Virtual Processor(*)\CPU Wait Time Per Dispatch
 }
 
-const (
-	hypervisorVirtualProcessorGuestIdleTimePercent     = "% Guest Idle Time"
-	hypervisorVirtualProcessorHypervisorRunTimePercent = "% Hypervisor Run Time"
-	hypervisorVirtualProcessorTotalRunTimePercent      = "% Total Run Time"
-	hypervisorVirtualProcessorRemoteRunTimePercent     = "% Remote Run Time"
-	hypervisorVirtualProcessorCPUWaitTimePerDispatch   = "CPU Wait Time Per Dispatch"
-)
+type perfDataCounterValuesHypervisorVirtualProcessor struct {
+	Name string
+
+	HypervisorVirtualProcessorGuestIdleTimePercent     float64 `perfdata:"% Guest Idle Time"`
+	HypervisorVirtualProcessorHypervisorRunTimePercent float64 `perfdata:"% Hypervisor Run Time"`
+	HypervisorVirtualProcessorTotalRunTimePercent      float64 `perfdata:"% Total Run Time"`
+	HypervisorVirtualProcessorRemoteRunTimePercent     float64 `perfdata:"% Remote Run Time"`
+	HypervisorVirtualProcessorCPUWaitTimePerDispatch   float64 `perfdata:"CPU Wait Time Per Dispatch"`
+}
 
 func (c *Collector) buildHypervisorVirtualProcessor() error {
 	var err error
 
-	c.perfDataCollectorHypervisorVirtualProcessor, err = perfdata.NewCollector("Hyper-V Hypervisor Virtual Processor", perfdata.InstancesAll, []string{
-		hypervisorVirtualProcessorGuestIdleTimePercent,
-		hypervisorVirtualProcessorHypervisorRunTimePercent,
-		hypervisorVirtualProcessorTotalRunTimePercent,
-		hypervisorVirtualProcessorRemoteRunTimePercent,
-		hypervisorVirtualProcessorCPUWaitTimePerDispatch,
-	})
+	c.perfDataCollectorHypervisorVirtualProcessor, err = pdh.NewCollector[perfDataCounterValuesHypervisorVirtualProcessor]("Hyper-V Hypervisor Virtual Processor", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Hypervisor Virtual Processor collector: %w", err)
 	}
@@ -81,16 +78,16 @@ func (c *Collector) buildHypervisorVirtualProcessor() error {
 }
 
 func (c *Collector) collectHypervisorVirtualProcessor(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorHypervisorVirtualProcessor.Collect()
+	err := c.perfDataCollectorHypervisorVirtualProcessor.Collect(&c.perfDataObjectHypervisorVirtualProcessor)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Hypervisor Virtual Processor metrics: %w", err)
 	}
 
-	for coreName, coreData := range data {
+	for _, data := range c.perfDataObjectHypervisorVirtualProcessor {
 		// The name format is <VM Name>:Hv VP <vcore id>
-		parts := strings.Split(coreName, ":")
+		parts := strings.Split(data.Name, ":")
 		if len(parts) != 2 {
-			return fmt.Errorf("unexpected format of Name in Hyper-V Hypervisor Virtual Processor: %q, expected %q", coreName, "<VM Name>:Hv VP <vcore id>")
+			return fmt.Errorf("unexpected format of Name in Hyper-V Hypervisor Virtual Processor: %q, expected %q", data.Name, "<VM Name>:Hv VP <vcore id>")
 		}
 
 		coreParts := strings.Split(parts[1], " ")
@@ -99,41 +96,41 @@ func (c *Collector) collectHypervisorVirtualProcessor(ch chan<- prometheus.Metri
 		}
 
 		vmName := parts[0]
-		coreId := coreParts[2]
+		coreID := coreParts[2]
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorVirtualProcessorTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorVirtualProcessorHypervisorRunTimePercent].FirstValue,
-			vmName, coreId, "hypervisor",
+			data.HypervisorVirtualProcessorHypervisorRunTimePercent,
+			vmName, coreID, "hypervisor",
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorVirtualProcessorTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorVirtualProcessorGuestIdleTimePercent].FirstValue,
-			vmName, coreId, "guest_idle",
+			data.HypervisorVirtualProcessorGuestIdleTimePercent,
+			vmName, coreID, "guest_idle",
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorVirtualProcessorTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorVirtualProcessorGuestIdleTimePercent].FirstValue,
-			vmName, coreId, "guest_idle",
+			data.HypervisorVirtualProcessorGuestIdleTimePercent,
+			vmName, coreID, "guest_idle",
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorVirtualProcessorTotalRunTimeTotal,
 			prometheus.CounterValue,
-			coreData[hypervisorVirtualProcessorTotalRunTimePercent].FirstValue,
-			vmName, coreId,
+			data.HypervisorVirtualProcessorTotalRunTimePercent,
+			vmName, coreID,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.hypervisorVirtualProcessorContextSwitches,
 			prometheus.CounterValue,
-			coreData[hypervisorVirtualProcessorCPUWaitTimePerDispatch].FirstValue,
-			vmName, coreId,
+			data.HypervisorVirtualProcessorCPUWaitTimePerDispatch,
+			vmName, coreID,
 		)
 	}
 

internal/collector/hyperv/hyperv_legacy_network_adapter.go

@@ -18,14 +18,15 @@ package hyperv
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorLegacyNetworkAdapter Hyper-V Legacy Network Adapter metrics
 type collectorLegacyNetworkAdapter struct {
-	perfDataCollectorLegacyNetworkAdapter *perfdata.Collector
+	perfDataCollectorLegacyNetworkAdapter *pdh.Collector
+	perfDataObjectLegacyNetworkAdapter    []perfDataCounterValuesLegacyNetworkAdapter
 
 	legacyNetworkAdapterBytesDropped   *prometheus.Desc // \Hyper-V Legacy Network Adapter(*)\Bytes Dropped
 	legacyNetworkAdapterBytesReceived  *prometheus.Desc // \Hyper-V Legacy Network Adapter(*)\Bytes Received/sec
@@ -35,26 +36,21 @@ type collectorLegacyNetworkAdapter struct {
 	legacyNetworkAdapterFramesSent     *prometheus.Desc // \Hyper-V Legacy Network Adapter(*)\Frames Sent/sec
 }
 
-const (
-	legacyNetworkAdapterBytesDropped   = "Bytes Dropped"
-	legacyNetworkAdapterBytesReceived  = "Bytes Received/sec"
-	legacyNetworkAdapterBytesSent      = "Bytes Sent/sec"
-	legacyNetworkAdapterFramesDropped  = "Frames Dropped"
-	legacyNetworkAdapterFramesReceived = "Frames Received/sec"
-	legacyNetworkAdapterFramesSent     = "Frames Sent/sec"
-)
+type perfDataCounterValuesLegacyNetworkAdapter struct {
+	Name string
+
+	LegacyNetworkAdapterBytesDropped   float64 `perfdata:"Bytes Dropped"`
+	LegacyNetworkAdapterBytesReceived  float64 `perfdata:"Bytes Received/sec"`
+	LegacyNetworkAdapterBytesSent      float64 `perfdata:"Bytes Sent/sec"`
+	LegacyNetworkAdapterFramesDropped  float64 `perfdata:"Frames Dropped"`
+	LegacyNetworkAdapterFramesReceived float64 `perfdata:"Frames Received/sec"`
+	LegacyNetworkAdapterFramesSent     float64 `perfdata:"Frames Sent/sec"`
+}
 
 func (c *Collector) buildLegacyNetworkAdapter() error {
 	var err error
 
-	c.perfDataCollectorLegacyNetworkAdapter, err = perfdata.NewCollector("Hyper-V Legacy Network Adapter", perfdata.InstancesAll, []string{
-		legacyNetworkAdapterBytesDropped,
-		legacyNetworkAdapterBytesReceived,
-		legacyNetworkAdapterBytesSent,
-		legacyNetworkAdapterFramesDropped,
-		legacyNetworkAdapterFramesReceived,
-		legacyNetworkAdapterFramesSent,
-	})
+	c.perfDataCollectorLegacyNetworkAdapter, err = pdh.NewCollector[perfDataCounterValuesLegacyNetworkAdapter]("Hyper-V Legacy Network Adapter", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Legacy Network Adapter collector: %w", err)
 	}
@@ -100,52 +96,52 @@ func (c *Collector) buildLegacyNetworkAdapter() error {
 }
 
 func (c *Collector) collectLegacyNetworkAdapter(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorLegacyNetworkAdapter.Collect()
+	err := c.perfDataCollectorLegacyNetworkAdapter.Collect(&c.perfDataObjectLegacyNetworkAdapter)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Legacy Network Adapter metrics: %w", err)
 	}
 
-	for name, adapter := range data {
+	for _, data := range c.perfDataObjectLegacyNetworkAdapter {
 		ch <- prometheus.MustNewConstMetric(
 			c.legacyNetworkAdapterBytesDropped,
 			prometheus.GaugeValue,
-			adapter[legacyNetworkAdapterBytesDropped].FirstValue,
-			name,
+			data.LegacyNetworkAdapterBytesDropped,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.legacyNetworkAdapterBytesReceived,
 			prometheus.CounterValue,
-			adapter[legacyNetworkAdapterBytesReceived].FirstValue,
-			name,
+			data.LegacyNetworkAdapterBytesReceived,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.legacyNetworkAdapterBytesSent,
 			prometheus.CounterValue,
-			adapter[legacyNetworkAdapterBytesSent].FirstValue,
-			name,
+			data.LegacyNetworkAdapterBytesSent,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.legacyNetworkAdapterFramesReceived,
 			prometheus.CounterValue,
-			adapter[legacyNetworkAdapterFramesReceived].FirstValue,
-			name,
+			data.LegacyNetworkAdapterFramesReceived,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.legacyNetworkAdapterFramesDropped,
 			prometheus.CounterValue,
-			adapter[legacyNetworkAdapterFramesDropped].FirstValue,
-			name,
+			data.LegacyNetworkAdapterFramesDropped,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.legacyNetworkAdapterFramesSent,
 			prometheus.CounterValue,
-			adapter[legacyNetworkAdapterFramesSent].FirstValue,
-			name,
+			data.LegacyNetworkAdapterFramesSent,
+			data.Name,
 		)
 	}
 

internal/collector/hyperv/hyperv_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, hyperv.Name, hyperv.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, hyperv.New, nil)
+}

internal/collector/hyperv/hyperv_virtual_machine_health_summary.go

@@ -16,36 +16,33 @@
 package hyperv
 
 import (
-	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorVirtualMachineHealthSummary Hyper-V Virtual Machine Health Summary metrics
 type collectorVirtualMachineHealthSummary struct {
-	perfDataCollectorVirtualMachineHealthSummary *perfdata.Collector
+	perfDataCollectorVirtualMachineHealthSummary *pdh.Collector
+	perfDataObjectVirtualMachineHealthSummary    []perfDataCounterValuesVirtualMachineHealthSummary
 
 	// \Hyper-V Virtual Machine Health Summary\Health Critical
 	// \Hyper-V Virtual Machine Health Summary\Health Ok
 	health *prometheus.Desc
 }
 
-const (
+type perfDataCounterValuesVirtualMachineHealthSummary struct {
 	// Hyper-V Virtual Machine Health Summary
-	healthCritical = "Health Critical"
-	healthOk       = "Health Ok"
-)
+	HealthCritical float64 `perfdata:"Health Critical"`
+	HealthOk       float64 `perfdata:"Health Ok"`
+}
 
 func (c *Collector) buildVirtualMachineHealthSummary() error {
 	var err error
 
-	c.perfDataCollectorVirtualMachineHealthSummary, err = perfdata.NewCollector("Hyper-V Virtual Machine Health Summary", nil, []string{
-		healthCritical,
-		healthOk,
-	})
+	c.perfDataCollectorVirtualMachineHealthSummary, err = pdh.NewCollector[perfDataCounterValuesVirtualMachineHealthSummary]("Hyper-V Virtual Machine Health Summary", nil)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Virtual Machine Health Summary collector: %w", err)
 	}
@@ -61,27 +58,22 @@ func (c *Collector) buildVirtualMachineHealthSummary() error {
 }
 
 func (c *Collector) collectVirtualMachineHealthSummary(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorVirtualMachineHealthSummary.Collect()
+	err := c.perfDataCollectorVirtualMachineHealthSummary.Collect(&c.perfDataObjectVirtualMachineHealthSummary)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Virtual Machine Health Summary metrics: %w", err)
 	}
 
-	healthData, ok := data[perfdata.InstanceEmpty]
-	if !ok {
-		return errors.New("no data returned for Hyper-V Virtual Machine Health Summary")
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.health,
 		prometheus.GaugeValue,
-		healthData[healthCritical].FirstValue,
+		c.perfDataObjectVirtualMachineHealthSummary[0].HealthCritical,
 		"critical",
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.health,
 		prometheus.GaugeValue,
-		healthData[healthOk].FirstValue,
+		c.perfDataObjectVirtualMachineHealthSummary[0].HealthOk,
 		"ok",
 	)
 

internal/collector/hyperv/hyperv_virtual_machine_vid_partition.go

@@ -18,33 +18,33 @@ package hyperv
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorVirtualMachineVidPartition Hyper-V VM Vid Partition metrics
 type collectorVirtualMachineVidPartition struct {
-	perfDataCollectorVirtualMachineVidPartition *perfdata.Collector
-	physicalPagesAllocated                      *prometheus.Desc // \Hyper-V VM Vid Partition(*)\Physical Pages Allocated
-	preferredNUMANodeIndex                      *prometheus.Desc // \Hyper-V VM Vid Partition(*)\Preferred NUMA Node Index
-	remotePhysicalPages                         *prometheus.Desc // \Hyper-V VM Vid Partition(*)\Remote Physical Pages
+	perfDataCollectorVirtualMachineVidPartition *pdh.Collector
+	perfDataObjectVirtualMachineVidPartition    []perfDataCounterValuesVirtualMachineVidPartition
+
+	physicalPagesAllocated *prometheus.Desc // \Hyper-V VM Vid Partition(*)\Physical Pages Allocated
+	preferredNUMANodeIndex *prometheus.Desc // \Hyper-V VM Vid Partition(*)\Preferred NUMA Node Index
+	remotePhysicalPages    *prometheus.Desc // \Hyper-V VM Vid Partition(*)\Remote Physical Pages
 }
 
-const (
-	physicalPagesAllocated = "Physical Pages Allocated"
-	preferredNUMANodeIndex = "Preferred NUMA Node Index"
-	remotePhysicalPages    = "Remote Physical Pages"
-)
+type perfDataCounterValuesVirtualMachineVidPartition struct {
+	Name string
+
+	PhysicalPagesAllocated float64 `perfdata:"Physical Pages Allocated"`
+	PreferredNUMANodeIndex float64 `perfdata:"Preferred NUMA Node Index"`
+	RemotePhysicalPages    float64 `perfdata:"Remote Physical Pages"`
+}
 
 func (c *Collector) buildVirtualMachineVidPartition() error {
 	var err error
 
-	c.perfDataCollectorVirtualMachineVidPartition, err = perfdata.NewCollector("Hyper-V VM Vid Partition", perfdata.InstancesAll, []string{
-		physicalPagesAllocated,
-		preferredNUMANodeIndex,
-		remotePhysicalPages,
-	})
+	c.perfDataCollectorVirtualMachineVidPartition, err = pdh.NewCollector[perfDataCounterValuesVirtualMachineVidPartition]("Hyper-V VM Vid Partition", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V VM Vid Partition collector: %w", err)
 	}
@@ -72,31 +72,31 @@ func (c *Collector) buildVirtualMachineVidPartition() error {
 }
 
 func (c *Collector) collectVirtualMachineVidPartition(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorVirtualMachineVidPartition.Collect()
+	err := c.perfDataCollectorVirtualMachineVidPartition.Collect(&c.perfDataObjectVirtualMachineVidPartition)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V VM Vid Partition metrics: %w", err)
 	}
 
-	for name, page := range data {
+	for _, data := range c.perfDataObjectVirtualMachineVidPartition {
 		ch <- prometheus.MustNewConstMetric(
 			c.physicalPagesAllocated,
 			prometheus.GaugeValue,
-			page[physicalPagesAllocated].FirstValue,
-			name,
+			data.PhysicalPagesAllocated,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.preferredNUMANodeIndex,
 			prometheus.GaugeValue,
-			page[preferredNUMANodeIndex].FirstValue,
-			name,
+			data.PreferredNUMANodeIndex,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.remotePhysicalPages,
 			prometheus.GaugeValue,
-			page[remotePhysicalPages].FirstValue,
-			name,
+			data.RemotePhysicalPages,
+			data.Name,
 		)
 	}
 

internal/collector/hyperv/hyperv_virtual_network_adapter.go

@@ -18,14 +18,15 @@ package hyperv
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorVirtualNetworkAdapter Hyper-V Virtual Network Adapter metrics
 type collectorVirtualNetworkAdapter struct {
-	perfDataCollectorVirtualNetworkAdapter *perfdata.Collector
+	perfDataCollectorVirtualNetworkAdapter *pdh.Collector
+	perfDataObjectVirtualNetworkAdapter    []perfDataCounterValuesVirtualNetworkAdapter
 
 	virtualNetworkAdapterBytesReceived          *prometheus.Desc // \Hyper-V Virtual Network Adapter(*)\Bytes Received/sec
 	virtualNetworkAdapterBytesSent              *prometheus.Desc // \Hyper-V Virtual Network Adapter(*)\Bytes Sent/sec
@@ -35,26 +36,21 @@ type collectorVirtualNetworkAdapter struct {
 	virtualNetworkAdapterPacketsSent            *prometheus.Desc // \Hyper-V Virtual Network Adapter(*)\Packets Sent/sec
 }
 
-const (
-	virtualNetworkAdapterBytesReceived          = "Bytes Received/sec"
-	virtualNetworkAdapterBytesSent              = "Bytes Sent/sec"
-	virtualNetworkAdapterDroppedPacketsIncoming = "Dropped Packets Incoming/sec"
-	virtualNetworkAdapterDroppedPacketsOutgoing = "Dropped Packets Outgoing/sec"
-	virtualNetworkAdapterPacketsReceived        = "Packets Received/sec"
-	virtualNetworkAdapterPacketsSent            = "Packets Sent/sec"
-)
+type perfDataCounterValuesVirtualNetworkAdapter struct {
+	Name string
+
+	VirtualNetworkAdapterBytesReceived          float64 `perfdata:"Bytes Received/sec"`
+	VirtualNetworkAdapterBytesSent              float64 `perfdata:"Bytes Sent/sec"`
+	VirtualNetworkAdapterDroppedPacketsIncoming float64 `perfdata:"Dropped Packets Incoming/sec"`
+	VirtualNetworkAdapterDroppedPacketsOutgoing float64 `perfdata:"Dropped Packets Outgoing/sec"`
+	VirtualNetworkAdapterPacketsReceived        float64 `perfdata:"Packets Received/sec"`
+	VirtualNetworkAdapterPacketsSent            float64 `perfdata:"Packets Sent/sec"`
+}
 
 func (c *Collector) buildVirtualNetworkAdapter() error {
 	var err error
 
-	c.perfDataCollectorVirtualNetworkAdapter, err = perfdata.NewCollector("Hyper-V Virtual Network Adapter", perfdata.InstancesAll, []string{
-		virtualNetworkAdapterBytesReceived,
-		virtualNetworkAdapterBytesSent,
-		virtualNetworkAdapterDroppedPacketsIncoming,
-		virtualNetworkAdapterDroppedPacketsOutgoing,
-		virtualNetworkAdapterPacketsReceived,
-		virtualNetworkAdapterPacketsSent,
-	})
+	c.perfDataCollectorVirtualNetworkAdapter, err = pdh.NewCollector[perfDataCounterValuesVirtualNetworkAdapter]("Hyper-V Virtual Network Adapter", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Virtual Network Adapter collector: %w", err)
 	}
@@ -100,52 +96,52 @@ func (c *Collector) buildVirtualNetworkAdapter() error {
 }
 
 func (c *Collector) collectVirtualNetworkAdapter(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorVirtualNetworkAdapter.Collect()
+	err := c.perfDataCollectorVirtualNetworkAdapter.Collect(&c.perfDataObjectVirtualNetworkAdapter)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Virtual Network Adapter metrics: %w", err)
 	}
 
-	for name, adapterData := range data {
+	for _, data := range c.perfDataObjectVirtualNetworkAdapter {
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterBytesReceived,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterBytesReceived].FirstValue,
-			name,
+			data.VirtualNetworkAdapterBytesReceived,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterBytesSent,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterBytesSent].FirstValue,
-			name,
+			data.VirtualNetworkAdapterBytesSent,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDroppedPacketsIncoming,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDroppedPacketsIncoming].FirstValue,
-			name,
+			data.VirtualNetworkAdapterDroppedPacketsIncoming,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDroppedPacketsOutgoing,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDroppedPacketsOutgoing].FirstValue,
-			name,
+			data.VirtualNetworkAdapterDroppedPacketsOutgoing,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterPacketsReceived,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterPacketsReceived].FirstValue,
-			name,
+			data.VirtualNetworkAdapterPacketsReceived,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterPacketsSent,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterPacketsSent].FirstValue,
-			name,
+			data.VirtualNetworkAdapterPacketsSent,
+			data.Name,
 		)
 	}
 

internal/collector/hyperv/hyperv_virtual_network_adapter_drop_reasons.go

@@ -18,14 +18,15 @@ package hyperv
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorVirtualNetworkAdapterDropReasons Hyper-V Virtual Network Adapter Drop Reasons metrics
 type collectorVirtualNetworkAdapterDropReasons struct {
-	perfDataCollectorVirtualNetworkAdapterDropReasons *perfdata.Collector
+	perfDataCollectorVirtualNetworkAdapterDropReasons *pdh.Collector
+	perfDataObjectVirtualNetworkAdapterDropReasons    []perfDataCounterValuesVirtualNetworkAdapterDropReasons
 
 	// \Hyper-V Virtual Network Adapter Drop Reasons(*)\Outgoing LowPowerPacketFilter
 	// \Hyper-V Virtual Network Adapter Drop Reasons(*)\Incoming LowPowerPacketFilter
@@ -106,114 +107,65 @@ type collectorVirtualNetworkAdapterDropReasons struct {
 	virtualNetworkAdapterDropReasons *prometheus.Desc
 }
 
-const (
-	virtualNetworkAdapterDropReasonsOutgoingNativeFwdingReq          = "Outgoing NativeFwdingReq"
-	virtualNetworkAdapterDropReasonsIncomingNativeFwdingReq          = "Incoming NativeFwdingReq"
-	virtualNetworkAdapterDropReasonsOutgoingMTUMismatch              = "Outgoing MTUMismatch"
-	virtualNetworkAdapterDropReasonsIncomingMTUMismatch              = "Incoming MTUMismatch"
-	virtualNetworkAdapterDropReasonsOutgoingInvalidConfig            = "Outgoing InvalidConfig"
-	virtualNetworkAdapterDropReasonsIncomingInvalidConfig            = "Incoming InvalidConfig"
-	virtualNetworkAdapterDropReasonsOutgoingRequiredExtensionMissing = "Outgoing RequiredExtensionMissing"
-	virtualNetworkAdapterDropReasonsIncomingRequiredExtensionMissing = "Incoming RequiredExtensionMissing"
-	virtualNetworkAdapterDropReasonsOutgoingVirtualSubnetId          = "Outgoing VirtualSubnetId"
-	virtualNetworkAdapterDropReasonsIncomingVirtualSubnetId          = "Incoming VirtualSubnetId"
-	virtualNetworkAdapterDropReasonsOutgoingBridgeReserved           = "Outgoing BridgeReserved"
-	virtualNetworkAdapterDropReasonsIncomingBridgeReserved           = "Incoming BridgeReserved"
-	virtualNetworkAdapterDropReasonsOutgoingRouterGuard              = "Outgoing RouterGuard"
-	virtualNetworkAdapterDropReasonsIncomingRouterGuard              = "Incoming RouterGuard"
-	virtualNetworkAdapterDropReasonsOutgoingDhcpGuard                = "Outgoing DhcpGuard"
-	virtualNetworkAdapterDropReasonsIncomingDhcpGuard                = "Incoming DhcpGuard"
-	virtualNetworkAdapterDropReasonsOutgoingMacSpoofing              = "Outgoing MacSpoofing"
-	virtualNetworkAdapterDropReasonsIncomingMacSpoofing              = "Incoming MacSpoofing"
-	virtualNetworkAdapterDropReasonsOutgoingIpsec                    = "Outgoing Ipsec"
-	virtualNetworkAdapterDropReasonsIncomingIpsec                    = "Incoming Ipsec"
-	virtualNetworkAdapterDropReasonsOutgoingQos                      = "Outgoing Qos"
-	virtualNetworkAdapterDropReasonsIncomingQos                      = "Incoming Qos"
-	virtualNetworkAdapterDropReasonsOutgoingFailedPvlanSetting       = "Outgoing FailedPvlanSetting"
-	virtualNetworkAdapterDropReasonsIncomingFailedPvlanSetting       = "Incoming FailedPvlanSetting"
-	virtualNetworkAdapterDropReasonsOutgoingFailedSecurityPolicy     = "Outgoing FailedSecurityPolicy"
-	virtualNetworkAdapterDropReasonsIncomingFailedSecurityPolicy     = "Incoming FailedSecurityPolicy"
-	virtualNetworkAdapterDropReasonsOutgoingUnauthorizedMAC          = "Outgoing UnauthorizedMAC"
-	virtualNetworkAdapterDropReasonsIncomingUnauthorizedMAC          = "Incoming UnauthorizedMAC"
-	virtualNetworkAdapterDropReasonsOutgoingUnauthorizedVLAN         = "Outgoing UnauthorizedVLAN"
-	virtualNetworkAdapterDropReasonsIncomingUnauthorizedVLAN         = "Incoming UnauthorizedVLAN"
-	virtualNetworkAdapterDropReasonsOutgoingFilteredVLAN             = "Outgoing FilteredVLAN"
-	virtualNetworkAdapterDropReasonsIncomingFilteredVLAN             = "Incoming FilteredVLAN"
-	virtualNetworkAdapterDropReasonsOutgoingFiltered                 = "Outgoing Filtered"
-	virtualNetworkAdapterDropReasonsIncomingFiltered                 = "Incoming Filtered"
-	virtualNetworkAdapterDropReasonsOutgoingBusy                     = "Outgoing Busy"
-	virtualNetworkAdapterDropReasonsIncomingBusy                     = "Incoming Busy"
-	virtualNetworkAdapterDropReasonsOutgoingNotAccepted              = "Outgoing NotAccepted"
-	virtualNetworkAdapterDropReasonsIncomingNotAccepted              = "Incoming NotAccepted"
-	virtualNetworkAdapterDropReasonsOutgoingDisconnected             = "Outgoing Disconnected"
-	virtualNetworkAdapterDropReasonsIncomingDisconnected             = "Incoming Disconnected"
-	virtualNetworkAdapterDropReasonsOutgoingNotReady                 = "Outgoing NotReady"
-	virtualNetworkAdapterDropReasonsIncomingNotReady                 = "Incoming NotReady"
-	virtualNetworkAdapterDropReasonsOutgoingResources                = "Outgoing Resources"
-	virtualNetworkAdapterDropReasonsIncomingResources                = "Incoming Resources"
-	virtualNetworkAdapterDropReasonsOutgoingInvalidPacket            = "Outgoing InvalidPacket"
-	virtualNetworkAdapterDropReasonsIncomingInvalidPacket            = "Incoming InvalidPacket"
-	virtualNetworkAdapterDropReasonsOutgoingInvalidData              = "Outgoing InvalidData"
-	virtualNetworkAdapterDropReasonsIncomingInvalidData              = "Incoming InvalidData"
-	virtualNetworkAdapterDropReasonsOutgoingUnknown                  = "Outgoing Unknown"
-	virtualNetworkAdapterDropReasonsIncomingUnknown                  = "Incoming Unknown"
-)
+type perfDataCounterValuesVirtualNetworkAdapterDropReasons struct {
+	Name string
+
+	VirtualNetworkAdapterDropReasonsOutgoingNativeFwdingReq          float64 `perfdata:"Outgoing NativeFwdingReq"`
+	VirtualNetworkAdapterDropReasonsIncomingNativeFwdingReq          float64 `perfdata:"Incoming NativeFwdingReq"`
+	VirtualNetworkAdapterDropReasonsOutgoingMTUMismatch              float64 `perfdata:"Outgoing MTUMismatch"`
+	VirtualNetworkAdapterDropReasonsIncomingMTUMismatch              float64 `perfdata:"Incoming MTUMismatch"`
+	VirtualNetworkAdapterDropReasonsOutgoingInvalidConfig            float64 `perfdata:"Outgoing InvalidConfig"`
+	VirtualNetworkAdapterDropReasonsIncomingInvalidConfig            float64 `perfdata:"Incoming InvalidConfig"`
+	VirtualNetworkAdapterDropReasonsOutgoingRequiredExtensionMissing float64 `perfdata:"Outgoing RequiredExtensionMissing"`
+	VirtualNetworkAdapterDropReasonsIncomingRequiredExtensionMissing float64 `perfdata:"Incoming RequiredExtensionMissing"`
+	VirtualNetworkAdapterDropReasonsOutgoingVirtualSubnetId          float64 `perfdata:"Outgoing VirtualSubnetId"`
+	VirtualNetworkAdapterDropReasonsIncomingVirtualSubnetId          float64 `perfdata:"Incoming VirtualSubnetId"`
+	VirtualNetworkAdapterDropReasonsOutgoingBridgeReserved           float64 `perfdata:"Outgoing BridgeReserved"`
+	VirtualNetworkAdapterDropReasonsIncomingBridgeReserved           float64 `perfdata:"Incoming BridgeReserved"`
+	VirtualNetworkAdapterDropReasonsOutgoingRouterGuard              float64 `perfdata:"Outgoing RouterGuard"`
+	VirtualNetworkAdapterDropReasonsIncomingRouterGuard              float64 `perfdata:"Incoming RouterGuard"`
+	VirtualNetworkAdapterDropReasonsOutgoingDhcpGuard                float64 `perfdata:"Outgoing DhcpGuard"`
+	VirtualNetworkAdapterDropReasonsIncomingDhcpGuard                float64 `perfdata:"Incoming DhcpGuard"`
+	VirtualNetworkAdapterDropReasonsOutgoingMacSpoofing              float64 `perfdata:"Outgoing MacSpoofing"`
+	VirtualNetworkAdapterDropReasonsIncomingMacSpoofing              float64 `perfdata:"Incoming MacSpoofing"`
+	VirtualNetworkAdapterDropReasonsOutgoingIpsec                    float64 `perfdata:"Outgoing Ipsec"`
+	VirtualNetworkAdapterDropReasonsIncomingIpsec                    float64 `perfdata:"Incoming Ipsec"`
+	VirtualNetworkAdapterDropReasonsOutgoingQos                      float64 `perfdata:"Outgoing Qos"`
+	VirtualNetworkAdapterDropReasonsIncomingQos                      float64 `perfdata:"Incoming Qos"`
+	VirtualNetworkAdapterDropReasonsOutgoingFailedPvlanSetting       float64 `perfdata:"Outgoing FailedPvlanSetting"`
+	VirtualNetworkAdapterDropReasonsIncomingFailedPvlanSetting       float64 `perfdata:"Incoming FailedPvlanSetting"`
+	VirtualNetworkAdapterDropReasonsOutgoingFailedSecurityPolicy     float64 `perfdata:"Outgoing FailedSecurityPolicy"`
+	VirtualNetworkAdapterDropReasonsIncomingFailedSecurityPolicy     float64 `perfdata:"Incoming FailedSecurityPolicy"`
+	VirtualNetworkAdapterDropReasonsOutgoingUnauthorizedMAC          float64 `perfdata:"Outgoing UnauthorizedMAC"`
+	VirtualNetworkAdapterDropReasonsIncomingUnauthorizedMAC          float64 `perfdata:"Incoming UnauthorizedMAC"`
+	VirtualNetworkAdapterDropReasonsOutgoingUnauthorizedVLAN         float64 `perfdata:"Outgoing UnauthorizedVLAN"`
+	VirtualNetworkAdapterDropReasonsIncomingUnauthorizedVLAN         float64 `perfdata:"Incoming UnauthorizedVLAN"`
+	VirtualNetworkAdapterDropReasonsOutgoingFilteredVLAN             float64 `perfdata:"Outgoing FilteredVLAN"`
+	VirtualNetworkAdapterDropReasonsIncomingFilteredVLAN             float64 `perfdata:"Incoming FilteredVLAN"`
+	VirtualNetworkAdapterDropReasonsOutgoingFiltered                 float64 `perfdata:"Outgoing Filtered"`
+	VirtualNetworkAdapterDropReasonsIncomingFiltered                 float64 `perfdata:"Incoming Filtered"`
+	VirtualNetworkAdapterDropReasonsOutgoingBusy                     float64 `perfdata:"Outgoing Busy"`
+	VirtualNetworkAdapterDropReasonsIncomingBusy                     float64 `perfdata:"Incoming Busy"`
+	VirtualNetworkAdapterDropReasonsOutgoingNotAccepted              float64 `perfdata:"Outgoing NotAccepted"`
+	VirtualNetworkAdapterDropReasonsIncomingNotAccepted              float64 `perfdata:"Incoming NotAccepted"`
+	VirtualNetworkAdapterDropReasonsOutgoingDisconnected             float64 `perfdata:"Outgoing Disconnected"`
+	VirtualNetworkAdapterDropReasonsIncomingDisconnected             float64 `perfdata:"Incoming Disconnected"`
+	VirtualNetworkAdapterDropReasonsOutgoingNotReady                 float64 `perfdata:"Outgoing NotReady"`
+	VirtualNetworkAdapterDropReasonsIncomingNotReady                 float64 `perfdata:"Incoming NotReady"`
+	VirtualNetworkAdapterDropReasonsOutgoingResources                float64 `perfdata:"Outgoing Resources"`
+	VirtualNetworkAdapterDropReasonsIncomingResources                float64 `perfdata:"Incoming Resources"`
+	VirtualNetworkAdapterDropReasonsOutgoingInvalidPacket            float64 `perfdata:"Outgoing InvalidPacket"`
+	VirtualNetworkAdapterDropReasonsIncomingInvalidPacket            float64 `perfdata:"Incoming InvalidPacket"`
+	VirtualNetworkAdapterDropReasonsOutgoingInvalidData              float64 `perfdata:"Outgoing InvalidData"`
+	VirtualNetworkAdapterDropReasonsIncomingInvalidData              float64 `perfdata:"Incoming InvalidData"`
+	VirtualNetworkAdapterDropReasonsOutgoingUnknown                  float64 `perfdata:"Outgoing Unknown"`
+	VirtualNetworkAdapterDropReasonsIncomingUnknown                  float64 `perfdata:"Incoming Unknown"`
+}
 
 func (c *Collector) buildVirtualNetworkAdapterDropReasons() error {
 	var err error
 
-	c.perfDataCollectorVirtualNetworkAdapterDropReasons, err = perfdata.NewCollector("Hyper-V Virtual Network Adapter Drop Reasons", perfdata.InstancesAll, []string{
-		virtualNetworkAdapterDropReasonsOutgoingNativeFwdingReq,
-		virtualNetworkAdapterDropReasonsIncomingNativeFwdingReq,
-		virtualNetworkAdapterDropReasonsOutgoingMTUMismatch,
-		virtualNetworkAdapterDropReasonsIncomingMTUMismatch,
-		virtualNetworkAdapterDropReasonsOutgoingInvalidConfig,
-		virtualNetworkAdapterDropReasonsIncomingInvalidConfig,
-		virtualNetworkAdapterDropReasonsOutgoingRequiredExtensionMissing,
-		virtualNetworkAdapterDropReasonsIncomingRequiredExtensionMissing,
-		virtualNetworkAdapterDropReasonsOutgoingVirtualSubnetId,
-		virtualNetworkAdapterDropReasonsIncomingVirtualSubnetId,
-		virtualNetworkAdapterDropReasonsOutgoingBridgeReserved,
-		virtualNetworkAdapterDropReasonsIncomingBridgeReserved,
-		virtualNetworkAdapterDropReasonsOutgoingRouterGuard,
-		virtualNetworkAdapterDropReasonsIncomingRouterGuard,
-		virtualNetworkAdapterDropReasonsOutgoingDhcpGuard,
-		virtualNetworkAdapterDropReasonsIncomingDhcpGuard,
-		virtualNetworkAdapterDropReasonsOutgoingMacSpoofing,
-		virtualNetworkAdapterDropReasonsIncomingMacSpoofing,
-		virtualNetworkAdapterDropReasonsOutgoingIpsec,
-		virtualNetworkAdapterDropReasonsIncomingIpsec,
-		virtualNetworkAdapterDropReasonsOutgoingQos,
-		virtualNetworkAdapterDropReasonsIncomingQos,
-		virtualNetworkAdapterDropReasonsOutgoingFailedPvlanSetting,
-		virtualNetworkAdapterDropReasonsIncomingFailedPvlanSetting,
-		virtualNetworkAdapterDropReasonsOutgoingFailedSecurityPolicy,
-		virtualNetworkAdapterDropReasonsIncomingFailedSecurityPolicy,
-		virtualNetworkAdapterDropReasonsOutgoingUnauthorizedMAC,
-		virtualNetworkAdapterDropReasonsIncomingUnauthorizedMAC,
-		virtualNetworkAdapterDropReasonsOutgoingUnauthorizedVLAN,
-		virtualNetworkAdapterDropReasonsIncomingUnauthorizedVLAN,
-		virtualNetworkAdapterDropReasonsOutgoingFilteredVLAN,
-		virtualNetworkAdapterDropReasonsIncomingFilteredVLAN,
-		virtualNetworkAdapterDropReasonsOutgoingFiltered,
-		virtualNetworkAdapterDropReasonsIncomingFiltered,
-		virtualNetworkAdapterDropReasonsOutgoingBusy,
-		virtualNetworkAdapterDropReasonsIncomingBusy,
-		virtualNetworkAdapterDropReasonsOutgoingNotAccepted,
-		virtualNetworkAdapterDropReasonsIncomingNotAccepted,
-		virtualNetworkAdapterDropReasonsOutgoingDisconnected,
-		virtualNetworkAdapterDropReasonsIncomingDisconnected,
-		virtualNetworkAdapterDropReasonsOutgoingNotReady,
-		virtualNetworkAdapterDropReasonsIncomingNotReady,
-		virtualNetworkAdapterDropReasonsOutgoingResources,
-		virtualNetworkAdapterDropReasonsIncomingResources,
-		virtualNetworkAdapterDropReasonsOutgoingInvalidPacket,
-		virtualNetworkAdapterDropReasonsIncomingInvalidPacket,
-		virtualNetworkAdapterDropReasonsOutgoingInvalidData,
-		virtualNetworkAdapterDropReasonsIncomingInvalidData,
-		virtualNetworkAdapterDropReasonsOutgoingUnknown,
-		virtualNetworkAdapterDropReasonsIncomingUnknown,
-	})
+	c.perfDataCollectorVirtualNetworkAdapterDropReasons, err = pdh.NewCollector[perfDataCounterValuesVirtualNetworkAdapterDropReasons]("Hyper-V Virtual Network Adapter Drop Reasons", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Virtual Network Adapter Drop Reasons collector: %w", err)
 	}
@@ -229,311 +181,311 @@ func (c *Collector) buildVirtualNetworkAdapterDropReasons() error {
 }
 
 func (c *Collector) collectVirtualNetworkAdapterDropReasons(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorVirtualNetworkAdapterDropReasons.Collect()
+	err := c.perfDataCollectorVirtualNetworkAdapterDropReasons.Collect(&c.perfDataObjectVirtualNetworkAdapterDropReasons)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Virtual Network Adapter Drop Reasons metrics: %w", err)
 	}
 
-	for name, adapterData := range data {
+	for _, data := range c.perfDataObjectVirtualNetworkAdapterDropReasons {
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingNativeFwdingReq].FirstValue,
-			name, "NativeFwdingReq", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingNativeFwdingReq,
+			data.Name, "NativeFwdingReq", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingNativeFwdingReq].FirstValue,
-			name, "NativeFwdingReq", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingNativeFwdingReq,
+			data.Name, "NativeFwdingReq", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingMTUMismatch].FirstValue,
-			name, "MTUMismatch", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingMTUMismatch,
+			data.Name, "MTUMismatch", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingMTUMismatch].FirstValue,
-			name, "MTUMismatch", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingMTUMismatch,
+			data.Name, "MTUMismatch", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingInvalidConfig].FirstValue,
-			name, "InvalidConfig", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingInvalidConfig,
+			data.Name, "InvalidConfig", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingInvalidConfig].FirstValue,
-			name, "InvalidConfig", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingInvalidConfig,
+			data.Name, "InvalidConfig", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingRequiredExtensionMissing].FirstValue,
-			name, "RequiredExtensionMissing", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingRequiredExtensionMissing,
+			data.Name, "RequiredExtensionMissing", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingRequiredExtensionMissing].FirstValue,
-			name, "RequiredExtensionMissing", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingRequiredExtensionMissing,
+			data.Name, "RequiredExtensionMissing", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingVirtualSubnetId].FirstValue,
-			name, "VirtualSubnetId", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingVirtualSubnetId,
+			data.Name, "VirtualSubnetId", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingVirtualSubnetId].FirstValue,
-			name, "VirtualSubnetId", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingVirtualSubnetId,
+			data.Name, "VirtualSubnetId", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingBridgeReserved].FirstValue,
-			name, "BridgeReserved", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingBridgeReserved,
+			data.Name, "BridgeReserved", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingBridgeReserved].FirstValue,
-			name, "BridgeReserved", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingBridgeReserved,
+			data.Name, "BridgeReserved", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingRouterGuard].FirstValue,
-			name, "RouterGuard", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingRouterGuard,
+			data.Name, "RouterGuard", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingRouterGuard].FirstValue,
-			name, "RouterGuard", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingRouterGuard,
+			data.Name, "RouterGuard", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingDhcpGuard].FirstValue,
-			name, "DhcpGuard", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingDhcpGuard,
+			data.Name, "DhcpGuard", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingDhcpGuard].FirstValue,
-			name, "DhcpGuard", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingDhcpGuard,
+			data.Name, "DhcpGuard", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingMacSpoofing].FirstValue,
-			name, "MacSpoofing", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingMacSpoofing,
+			data.Name, "MacSpoofing", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingMacSpoofing].FirstValue,
-			name, "MacSpoofing", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingMacSpoofing,
+			data.Name, "MacSpoofing", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingIpsec].FirstValue,
-			name, "Ipsec", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingIpsec,
+			data.Name, "Ipsec", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingIpsec].FirstValue,
-			name, "Ipsec", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingIpsec,
+			data.Name, "Ipsec", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingQos].FirstValue,
-			name, "Qos", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingQos,
+			data.Name, "Qos", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingQos].FirstValue,
-			name, "Qos", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingQos,
+			data.Name, "Qos", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingFailedPvlanSetting].FirstValue,
-			name, "FailedPvlanSetting", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingFailedPvlanSetting,
+			data.Name, "FailedPvlanSetting", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingFailedPvlanSetting].FirstValue,
-			name, "FailedPvlanSetting", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingFailedPvlanSetting,
+			data.Name, "FailedPvlanSetting", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingFailedSecurityPolicy].FirstValue,
-			name, "FailedSecurityPolicy", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingFailedSecurityPolicy,
+			data.Name, "FailedSecurityPolicy", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingFailedSecurityPolicy].FirstValue,
-			name, "FailedSecurityPolicy", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingFailedSecurityPolicy,
+			data.Name, "FailedSecurityPolicy", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingUnauthorizedMAC].FirstValue,
-			name, "UnauthorizedMAC", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingUnauthorizedMAC,
+			data.Name, "UnauthorizedMAC", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingUnauthorizedMAC].FirstValue,
-			name, "UnauthorizedMAC", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingUnauthorizedMAC,
+			data.Name, "UnauthorizedMAC", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingUnauthorizedVLAN].FirstValue,
-			name, "UnauthorizedVLAN", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingUnauthorizedVLAN,
+			data.Name, "UnauthorizedVLAN", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingUnauthorizedVLAN].FirstValue,
-			name, "UnauthorizedVLAN", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingUnauthorizedVLAN,
+			data.Name, "UnauthorizedVLAN", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingFilteredVLAN].FirstValue,
-			name, "FilteredVLAN", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingFilteredVLAN,
+			data.Name, "FilteredVLAN", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingFilteredVLAN].FirstValue,
-			name, "FilteredVLAN", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingFilteredVLAN,
+			data.Name, "FilteredVLAN", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingFiltered].FirstValue,
-			name, "Filtered", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingFiltered,
+			data.Name, "Filtered", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingFiltered].FirstValue,
-			name, "Filtered", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingFiltered,
+			data.Name, "Filtered", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingBusy].FirstValue,
-			name, "Busy", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingBusy,
+			data.Name, "Busy", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingBusy].FirstValue,
-			name, "Busy", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingBusy,
+			data.Name, "Busy", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingNotAccepted].FirstValue,
-			name, "NotAccepted", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingNotAccepted,
+			data.Name, "NotAccepted", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingNotAccepted].FirstValue,
-			name, "NotAccepted", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingNotAccepted,
+			data.Name, "NotAccepted", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingDisconnected].FirstValue,
-			name, "Disconnected", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingDisconnected,
+			data.Name, "Disconnected", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingDisconnected].FirstValue,
-			name, "Disconnected", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingDisconnected,
+			data.Name, "Disconnected", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingNotReady].FirstValue,
-			name, "NotReady", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingNotReady,
+			data.Name, "NotReady", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingNotReady].FirstValue,
-			name, "NotReady", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingNotReady,
+			data.Name, "NotReady", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingResources].FirstValue,
-			name, "Resources", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingResources,
+			data.Name, "Resources", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingResources].FirstValue,
-			name, "Resources", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingResources,
+			data.Name, "Resources", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingInvalidPacket].FirstValue,
-			name, "InvalidPacket", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingInvalidPacket,
+			data.Name, "InvalidPacket", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingInvalidPacket].FirstValue,
-			name, "InvalidPacket", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingInvalidPacket,
+			data.Name, "InvalidPacket", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingInvalidData].FirstValue,
-			name, "InvalidData", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingInvalidData,
+			data.Name, "InvalidData", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingInvalidData].FirstValue,
-			name, "InvalidData", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingInvalidData,
+			data.Name, "InvalidData", "incoming",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsOutgoingUnknown].FirstValue,
-			name, "Unknown", "outgoing",
+			data.VirtualNetworkAdapterDropReasonsOutgoingUnknown,
+			data.Name, "Unknown", "outgoing",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualNetworkAdapterDropReasons,
 			prometheus.CounterValue,
-			adapterData[virtualNetworkAdapterDropReasonsIncomingUnknown].FirstValue,
-			name, "Unknown", "incoming",
+			data.VirtualNetworkAdapterDropReasonsIncomingUnknown,
+			data.Name, "Unknown", "incoming",
 		)
 	}
 

internal/collector/hyperv/hyperv_virtual_smb.go

@@ -18,14 +18,15 @@ package hyperv
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorVirtualSMB Hyper-V Virtual SMB metrics
 type collectorVirtualSMB struct {
-	perfDataCollectorVirtualSMB *perfdata.Collector
+	perfDataCollectorVirtualSMB *pdh.Collector
+	perfDataObjectVirtualSMB    []perfDataCounterValuesVirtualSMB
 
 	virtualSMBDirectMappedSections   *prometheus.Desc // \Hyper-V Virtual SMB(*)\Direct-Mapped Sections
 	virtualSMBDirectMappedPages      *prometheus.Desc // \Hyper-V Virtual SMB(*)\Direct-Mapped Pages
@@ -46,48 +47,32 @@ type collectorVirtualSMB struct {
 	virtualSMBReceivedBytes          *prometheus.Desc // \Hyper-V Virtual SMB(*)\Received Bytes/sec
 }
 
-const (
-	virtualSMBDirectMappedSections   = "Direct-Mapped Sections"
-	virtualSMBDirectMappedPages      = "Direct-Mapped Pages"
-	virtualSMBWriteBytesRDMA         = "Write Bytes/sec (RDMA)"
-	virtualSMBWriteBytes             = "Write Bytes/sec"
-	virtualSMBReadBytesRDMA          = "Read Bytes/sec (RDMA)"
-	virtualSMBReadBytes              = "Read Bytes/sec"
-	virtualSMBFlushRequests          = "Flush Requests/sec"
-	virtualSMBWriteRequestsRDMA      = "Write Requests/sec (RDMA)"
-	virtualSMBWriteRequests          = "Write Requests/sec"
-	virtualSMBReadRequestsRDMA       = "Read Requests/sec (RDMA)"
-	virtualSMBReadRequests           = "Read Requests/sec"
-	virtualSMBCurrentPendingRequests = "Current Pending Requests"
-	virtualSMBCurrentOpenFileCount   = "Current Open File Count"
-	virtualSMBTreeConnectCount       = "Tree Connect Count"
-	virtualSMBRequests               = "Requests/sec"
-	virtualSMBSentBytes              = "Sent Bytes/sec"
-	virtualSMBReceivedBytes          = "Received Bytes/sec"
-)
+type perfDataCounterValuesVirtualSMB struct {
+	Name string
+
+	VirtualSMBDirectMappedSections   float64 `perfdata:"Direct-Mapped Sections"`
+	VirtualSMBDirectMappedPages      float64 `perfdata:"Direct-Mapped Pages"`
+	VirtualSMBWriteBytesRDMA         float64 `perfdata:"Write Bytes/sec (RDMA)"`
+	VirtualSMBWriteBytes             float64 `perfdata:"Write Bytes/sec"`
+	VirtualSMBReadBytesRDMA          float64 `perfdata:"Read Bytes/sec (RDMA)"`
+	VirtualSMBReadBytes              float64 `perfdata:"Read Bytes/sec"`
+	VirtualSMBFlushRequests          float64 `perfdata:"Flush Requests/sec"`
+	VirtualSMBWriteRequestsRDMA      float64 `perfdata:"Write Requests/sec (RDMA)"`
+	VirtualSMBWriteRequests          float64 `perfdata:"Write Requests/sec"`
+	VirtualSMBReadRequestsRDMA       float64 `perfdata:"Read Requests/sec (RDMA)"`
+	VirtualSMBReadRequests           float64 `perfdata:"Read Requests/sec"`
+	VirtualSMBCurrentPendingRequests float64 `perfdata:"Current Pending Requests"`
+	VirtualSMBCurrentOpenFileCount   float64 `perfdata:"Current Open File Count"`
+	VirtualSMBTreeConnectCount       float64 `perfdata:"Tree Connect Count"`
+	VirtualSMBRequests               float64 `perfdata:"Requests/sec"`
+	VirtualSMBSentBytes              float64 `perfdata:"Sent Bytes/sec"`
+	VirtualSMBReceivedBytes          float64 `perfdata:"Received Bytes/sec"`
+}
 
 func (c *Collector) buildVirtualSMB() error {
 	var err error
 
-	c.perfDataCollectorVirtualSMB, err = perfdata.NewCollector("Hyper-V Virtual SMB", perfdata.InstancesAll, []string{
-		virtualSMBDirectMappedSections,
-		virtualSMBDirectMappedPages,
-		virtualSMBWriteBytesRDMA,
-		virtualSMBWriteBytes,
-		virtualSMBReadBytesRDMA,
-		virtualSMBReadBytes,
-		virtualSMBFlushRequests,
-		virtualSMBWriteRequestsRDMA,
-		virtualSMBWriteRequests,
-		virtualSMBReadRequestsRDMA,
-		virtualSMBReadRequests,
-		virtualSMBCurrentPendingRequests,
-		virtualSMBCurrentOpenFileCount,
-		virtualSMBTreeConnectCount,
-		virtualSMBRequests,
-		virtualSMBSentBytes,
-		virtualSMBReceivedBytes,
-	})
+	c.perfDataCollectorVirtualSMB, err = pdh.NewCollector[perfDataCounterValuesVirtualSMB]("Hyper-V Virtual SMB", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Virtual SMB collector: %w", err)
 	}
@@ -199,129 +184,129 @@ func (c *Collector) buildVirtualSMB() error {
 }
 
 func (c *Collector) collectVirtualSMB(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorVirtualSMB.Collect()
+	err := c.perfDataCollectorVirtualSMB.Collect(&c.perfDataObjectVirtualSMB)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Virtual SMB metrics: %w", err)
 	}
 
-	for name, smbData := range data {
+	for _, data := range c.perfDataObjectVirtualSMB {
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBDirectMappedSections,
 			prometheus.GaugeValue,
-			smbData[virtualSMBDirectMappedSections].FirstValue,
-			name,
+			data.VirtualSMBDirectMappedSections,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBDirectMappedPages,
 			prometheus.GaugeValue,
-			smbData[virtualSMBDirectMappedPages].FirstValue,
-			name,
+			data.VirtualSMBDirectMappedPages,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBWriteBytesRDMA,
 			prometheus.CounterValue,
-			smbData[virtualSMBWriteBytesRDMA].FirstValue,
-			name,
+			data.VirtualSMBWriteBytesRDMA,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBWriteBytes,
 			prometheus.CounterValue,
-			smbData[virtualSMBWriteBytes].FirstValue,
-			name,
+			data.VirtualSMBWriteBytes,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBReadBytesRDMA,
 			prometheus.CounterValue,
-			smbData[virtualSMBReadBytesRDMA].FirstValue,
-			name,
+			data.VirtualSMBReadBytesRDMA,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBReadBytes,
 			prometheus.CounterValue,
-			smbData[virtualSMBReadBytes].FirstValue,
-			name,
+			data.VirtualSMBReadBytes,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBFlushRequests,
 			prometheus.CounterValue,
-			smbData[virtualSMBFlushRequests].FirstValue,
-			name,
+			data.VirtualSMBFlushRequests,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBWriteRequestsRDMA,
 			prometheus.CounterValue,
-			smbData[virtualSMBWriteRequestsRDMA].FirstValue,
-			name,
+			data.VirtualSMBWriteRequestsRDMA,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBWriteRequests,
 			prometheus.CounterValue,
-			smbData[virtualSMBWriteRequests].FirstValue,
-			name,
+			data.VirtualSMBWriteRequests,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBReadRequestsRDMA,
 			prometheus.CounterValue,
-			smbData[virtualSMBReadRequestsRDMA].FirstValue,
-			name,
+			data.VirtualSMBReadRequestsRDMA,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBReadRequests,
 			prometheus.CounterValue,
-			smbData[virtualSMBReadRequests].FirstValue,
-			name,
+			data.VirtualSMBReadRequests,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBCurrentPendingRequests,
 			prometheus.GaugeValue,
-			smbData[virtualSMBCurrentPendingRequests].FirstValue,
-			name,
+			data.VirtualSMBCurrentPendingRequests,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBCurrentOpenFileCount,
 			prometheus.GaugeValue,
-			smbData[virtualSMBCurrentOpenFileCount].FirstValue,
-			name,
+			data.VirtualSMBCurrentOpenFileCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBTreeConnectCount,
 			prometheus.GaugeValue,
-			smbData[virtualSMBTreeConnectCount].FirstValue,
-			name,
+			data.VirtualSMBTreeConnectCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBRequests,
 			prometheus.CounterValue,
-			smbData[virtualSMBRequests].FirstValue,
-			name,
+			data.VirtualSMBRequests,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBSentBytes,
 			prometheus.CounterValue,
-			smbData[virtualSMBSentBytes].FirstValue,
-			name,
+			data.VirtualSMBSentBytes,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSMBReceivedBytes,
 			prometheus.CounterValue,
-			smbData[virtualSMBReceivedBytes].FirstValue,
-			name,
+			data.VirtualSMBReceivedBytes,
+			data.Name,
 		)
 	}
 

internal/collector/hyperv/hyperv_virtual_storage_device.go

@@ -18,14 +18,15 @@ package hyperv
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // Hyper-V Virtual Storage Device metrics
 type collectorVirtualStorageDevice struct {
-	perfDataCollectorVirtualStorageDevice *perfdata.Collector
+	perfDataCollectorVirtualStorageDevice *pdh.Collector
+	perfDataObjectVirtualStorageDevice    []perfDataCounterValuesVirtualStorageDevice
 
 	virtualStorageDeviceErrorCount               *prometheus.Desc // \Hyper-V Virtual Storage Device(*)\Error Count
 	virtualStorageDeviceQueueLength              *prometheus.Desc // \Hyper-V Virtual Storage Device(*)\Queue Length
@@ -41,38 +42,27 @@ type collectorVirtualStorageDevice struct {
 	virtualStorageDeviceIOQuotaReplenishmentRate *prometheus.Desc // \Hyper-V Virtual Storage Device(*)\IO Quota Replenishment Rate
 }
 
-const (
-	virtualStorageDeviceErrorCount               = "Error Count"
-	virtualStorageDeviceQueueLength              = "Queue Length"
-	virtualStorageDeviceReadBytes                = "Read Bytes/sec"
-	virtualStorageDeviceReadOperations           = "Read Count"
-	virtualStorageDeviceWriteBytes               = "Write Bytes/sec"
-	virtualStorageDeviceWriteOperations          = "Write Count"
-	virtualStorageDeviceLatency                  = "Latency"
-	virtualStorageDeviceThroughput               = "Throughput"
-	virtualStorageDeviceNormalizedThroughput     = "Normalized Throughput"
-	virtualStorageDeviceLowerQueueLength         = "Lower Queue Length"
-	virtualStorageDeviceLowerLatency             = "Lower Latency"
-	virtualStorageDeviceIOQuotaReplenishmentRate = "IO Quota Replenishment Rate"
-)
+type perfDataCounterValuesVirtualStorageDevice struct {
+	Name string
+
+	VirtualStorageDeviceErrorCount               float64 `perfdata:"Error Count"`
+	VirtualStorageDeviceQueueLength              float64 `perfdata:"Queue Length"`
+	VirtualStorageDeviceReadBytes                float64 `perfdata:"Read Bytes/sec"`
+	VirtualStorageDeviceReadOperations           float64 `perfdata:"Read Count"`
+	VirtualStorageDeviceWriteBytes               float64 `perfdata:"Write Bytes/sec"`
+	VirtualStorageDeviceWriteOperations          float64 `perfdata:"Write Count"`
+	VirtualStorageDeviceLatency                  float64 `perfdata:"Latency"`
+	VirtualStorageDeviceThroughput               float64 `perfdata:"Throughput"`
+	VirtualStorageDeviceNormalizedThroughput     float64 `perfdata:"Normalized Throughput"`
+	VirtualStorageDeviceLowerQueueLength         float64 `perfdata:"Lower Queue Length"`
+	VirtualStorageDeviceLowerLatency             float64 `perfdata:"Lower Latency"`
+	VirtualStorageDeviceIOQuotaReplenishmentRate float64 `perfdata:"IO Quota Replenishment Rate"`
+}
 
 func (c *Collector) buildVirtualStorageDevice() error {
 	var err error
 
-	c.perfDataCollectorVirtualStorageDevice, err = perfdata.NewCollector("Hyper-V Virtual Storage Device", perfdata.InstancesAll, []string{
-		virtualStorageDeviceErrorCount,
-		virtualStorageDeviceQueueLength,
-		virtualStorageDeviceReadBytes,
-		virtualStorageDeviceReadOperations,
-		virtualStorageDeviceWriteBytes,
-		virtualStorageDeviceWriteOperations,
-		virtualStorageDeviceLatency,
-		virtualStorageDeviceThroughput,
-		virtualStorageDeviceNormalizedThroughput,
-		virtualStorageDeviceLowerQueueLength,
-		virtualStorageDeviceLowerLatency,
-		virtualStorageDeviceIOQuotaReplenishmentRate,
-	})
+	c.perfDataCollectorVirtualStorageDevice, err = pdh.NewCollector[perfDataCounterValuesVirtualStorageDevice]("Hyper-V Virtual Storage Device", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Virtual Storage Device collector: %w", err)
 	}
@@ -154,94 +144,94 @@ func (c *Collector) buildVirtualStorageDevice() error {
 }
 
 func (c *Collector) collectVirtualStorageDevice(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorVirtualStorageDevice.Collect()
+	err := c.perfDataCollectorVirtualStorageDevice.Collect(&c.perfDataObjectVirtualStorageDevice)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Virtual Storage Device metrics: %w", err)
 	}
 
-	for name, device := range data {
+	for _, data := range c.perfDataObjectVirtualStorageDevice {
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceErrorCount,
 			prometheus.CounterValue,
-			device[virtualStorageDeviceErrorCount].FirstValue,
-			name,
+			data.VirtualStorageDeviceErrorCount,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceQueueLength,
 			prometheus.GaugeValue,
-			device[virtualStorageDeviceQueueLength].FirstValue,
-			name,
+			data.VirtualStorageDeviceQueueLength,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceReadBytes,
 			prometheus.CounterValue,
-			device[virtualStorageDeviceReadBytes].FirstValue,
-			name,
+			data.VirtualStorageDeviceReadBytes,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceReadOperations,
 			prometheus.CounterValue,
-			device[virtualStorageDeviceReadOperations].FirstValue,
-			name,
+			data.VirtualStorageDeviceReadOperations,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceWriteBytes,
 			prometheus.CounterValue,
-			device[virtualStorageDeviceWriteBytes].FirstValue,
-			name,
+			data.VirtualStorageDeviceWriteBytes,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceWriteOperations,
 			prometheus.CounterValue,
-			device[virtualStorageDeviceWriteOperations].FirstValue,
-			name,
+			data.VirtualStorageDeviceWriteOperations,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceLatency,
 			prometheus.GaugeValue,
-			device[virtualStorageDeviceLatency].FirstValue,
-			name,
+			data.VirtualStorageDeviceLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceThroughput,
 			prometheus.GaugeValue,
-			device[virtualStorageDeviceThroughput].FirstValue,
-			name,
+			data.VirtualStorageDeviceThroughput,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceNormalizedThroughput,
 			prometheus.GaugeValue,
-			device[virtualStorageDeviceNormalizedThroughput].FirstValue,
-			name,
+			data.VirtualStorageDeviceNormalizedThroughput,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceLowerQueueLength,
 			prometheus.GaugeValue,
-			device[virtualStorageDeviceLowerQueueLength].FirstValue,
-			name,
+			data.VirtualStorageDeviceLowerQueueLength,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceLowerLatency,
 			prometheus.GaugeValue,
-			device[virtualStorageDeviceLowerLatency].FirstValue,
-			name,
+			data.VirtualStorageDeviceLowerLatency,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualStorageDeviceIOQuotaReplenishmentRate,
 			prometheus.GaugeValue,
-			device[virtualStorageDeviceIOQuotaReplenishmentRate].FirstValue,
-			name,
+			data.VirtualStorageDeviceIOQuotaReplenishmentRate,
+			data.Name,
 		)
 	}
 

internal/collector/hyperv/hyperv_virtual_switch.go

@@ -18,14 +18,16 @@ package hyperv
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 // collectorVirtualMachineHealthSummary Hyper-V Virtual Switch Summary metrics
 type collectorVirtualSwitch struct {
-	perfDataCollectorVirtualSwitch                *perfdata.Collector
+	perfDataCollectorVirtualSwitch *pdh.Collector
+	perfDataObjectVirtualSwitch    []perfDataCounterValuesVirtualSwitch
+
 	virtualSwitchBroadcastPacketsReceived         *prometheus.Desc // \Hyper-V Virtual Switch(*)\Broadcast Packets Received/sec
 	virtualSwitchBroadcastPacketsSent             *prometheus.Desc // \Hyper-V Virtual Switch(*)\Broadcast Packets Sent/sec
 	virtualSwitchBytes                            *prometheus.Desc // \Hyper-V Virtual Switch(*)\Bytes/sec
@@ -49,56 +51,36 @@ type collectorVirtualSwitch struct {
 	virtualSwitchPurgedMacAddresses               *prometheus.Desc // \Hyper-V Virtual Switch(*)\Purged Mac Addresses
 }
 
-const (
-	virtualSwitchBroadcastPacketsReceived         = "Broadcast Packets Received/sec"
-	virtualSwitchBroadcastPacketsSent             = "Broadcast Packets Sent/sec"
-	virtualSwitchBytes                            = "Bytes/sec"
-	virtualSwitchBytesReceived                    = "Bytes Received/sec"
-	virtualSwitchBytesSent                        = "Bytes Sent/sec"
-	virtualSwitchDirectedPacketsReceived          = "Directed Packets Received/sec"
-	virtualSwitchDirectedPacketsSent              = "Directed Packets Sent/sec"
-	virtualSwitchDroppedPacketsIncoming           = "Dropped Packets Incoming/sec"
-	virtualSwitchDroppedPacketsOutgoing           = "Dropped Packets Outgoing/sec"
-	virtualSwitchExtensionsDroppedPacketsIncoming = "Extensions Dropped Packets Incoming/sec"
-	virtualSwitchExtensionsDroppedPacketsOutgoing = "Extensions Dropped Packets Outgoing/sec"
-	virtualSwitchLearnedMacAddresses              = "Learned Mac Addresses"
-	virtualSwitchMulticastPacketsReceived         = "Multicast Packets Received/sec"
-	virtualSwitchMulticastPacketsSent             = "Multicast Packets Sent/sec"
-	virtualSwitchNumberOfSendChannelMoves         = "Number of Send Channel Moves/sec"
-	virtualSwitchNumberOfVMQMoves                 = "Number of VMQ Moves/sec"
-	virtualSwitchPacketsFlooded                   = "Packets Flooded"
-	virtualSwitchPackets                          = "Packets/sec"
-	virtualSwitchPacketsReceived                  = "Packets Received/sec"
-	virtualSwitchPacketsSent                      = "Packets Sent/sec"
-	virtualSwitchPurgedMacAddresses               = "Purged Mac Addresses"
-)
+type perfDataCounterValuesVirtualSwitch struct {
+	Name string
+
+	VirtualSwitchBroadcastPacketsReceived         float64 `perfdata:"Broadcast Packets Received/sec"`
+	VirtualSwitchBroadcastPacketsSent             float64 `perfdata:"Broadcast Packets Sent/sec"`
+	VirtualSwitchBytes                            float64 `perfdata:"Bytes/sec"`
+	VirtualSwitchBytesReceived                    float64 `perfdata:"Bytes Received/sec"`
+	VirtualSwitchBytesSent                        float64 `perfdata:"Bytes Sent/sec"`
+	VirtualSwitchDirectedPacketsReceived          float64 `perfdata:"Directed Packets Received/sec"`
+	VirtualSwitchDirectedPacketsSent              float64 `perfdata:"Directed Packets Sent/sec"`
+	VirtualSwitchDroppedPacketsIncoming           float64 `perfdata:"Dropped Packets Incoming/sec"`
+	VirtualSwitchDroppedPacketsOutgoing           float64 `perfdata:"Dropped Packets Outgoing/sec"`
+	VirtualSwitchExtensionsDroppedPacketsIncoming float64 `perfdata:"Extensions Dropped Packets Incoming/sec"`
+	VirtualSwitchExtensionsDroppedPacketsOutgoing float64 `perfdata:"Extensions Dropped Packets Outgoing/sec"`
+	VirtualSwitchLearnedMacAddresses              float64 `perfdata:"Learned Mac Addresses"`
+	VirtualSwitchMulticastPacketsReceived         float64 `perfdata:"Multicast Packets Received/sec"`
+	VirtualSwitchMulticastPacketsSent             float64 `perfdata:"Multicast Packets Sent/sec"`
+	VirtualSwitchNumberOfSendChannelMoves         float64 `perfdata:"Number of Send Channel Moves/sec"`
+	VirtualSwitchNumberOfVMQMoves                 float64 `perfdata:"Number of VMQ Moves/sec"`
+	VirtualSwitchPacketsFlooded                   float64 `perfdata:"Packets Flooded"`
+	VirtualSwitchPackets                          float64 `perfdata:"Packets/sec"`
+	VirtualSwitchPacketsReceived                  float64 `perfdata:"Packets Received/sec"`
+	VirtualSwitchPacketsSent                      float64 `perfdata:"Packets Sent/sec"`
+	VirtualSwitchPurgedMacAddresses               float64 `perfdata:"Purged Mac Addresses"`
+}
 
 func (c *Collector) buildVirtualSwitch() error {
 	var err error
 
-	c.perfDataCollectorVirtualSwitch, err = perfdata.NewCollector("Hyper-V Virtual Switch", perfdata.InstancesAll, []string{
-		virtualSwitchBroadcastPacketsReceived,
-		virtualSwitchBroadcastPacketsSent,
-		virtualSwitchBytes,
-		virtualSwitchBytesReceived,
-		virtualSwitchBytesSent,
-		virtualSwitchDirectedPacketsReceived,
-		virtualSwitchDirectedPacketsSent,
-		virtualSwitchDroppedPacketsIncoming,
-		virtualSwitchDroppedPacketsOutgoing,
-		virtualSwitchExtensionsDroppedPacketsIncoming,
-		virtualSwitchExtensionsDroppedPacketsOutgoing,
-		virtualSwitchLearnedMacAddresses,
-		virtualSwitchMulticastPacketsReceived,
-		virtualSwitchMulticastPacketsSent,
-		virtualSwitchNumberOfSendChannelMoves,
-		virtualSwitchNumberOfVMQMoves,
-		virtualSwitchPacketsFlooded,
-		virtualSwitchPackets,
-		virtualSwitchPacketsReceived,
-		virtualSwitchPacketsSent,
-		virtualSwitchPurgedMacAddresses,
-	})
+	c.perfDataCollectorVirtualSwitch, err = pdh.NewCollector[perfDataCounterValuesVirtualSwitch]("Hyper-V Virtual Switch", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Hyper-V Virtual Switch collector: %w", err)
 	}
@@ -234,147 +216,147 @@ func (c *Collector) buildVirtualSwitch() error {
 }
 
 func (c *Collector) collectVirtualSwitch(ch chan<- prometheus.Metric) error {
-	data, err := c.perfDataCollectorVirtualSwitch.Collect()
+	err := c.perfDataCollectorVirtualSwitch.Collect(&c.perfDataObjectVirtualSwitch)
 	if err != nil {
 		return fmt.Errorf("failed to collect Hyper-V Virtual Switch metrics: %w", err)
 	}
 
-	for name, switchData := range data {
+	for _, data := range c.perfDataObjectVirtualSwitch {
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchBroadcastPacketsReceived,
 			prometheus.CounterValue,
-			switchData[virtualSwitchBroadcastPacketsReceived].FirstValue,
-			name,
+			data.VirtualSwitchBroadcastPacketsReceived,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchBroadcastPacketsSent,
 			prometheus.CounterValue,
-			switchData[virtualSwitchBroadcastPacketsSent].FirstValue,
-			name,
+			data.VirtualSwitchBroadcastPacketsSent,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchBytes,
 			prometheus.CounterValue,
-			switchData[virtualSwitchBytes].FirstValue,
-			name,
+			data.VirtualSwitchBytes,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchBytesReceived,
 			prometheus.CounterValue,
-			switchData[virtualSwitchBytesReceived].FirstValue,
-			name,
+			data.VirtualSwitchBytesReceived,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchBytesSent,
 			prometheus.CounterValue,
-			switchData[virtualSwitchBytesSent].FirstValue,
-			name,
+			data.VirtualSwitchBytesSent,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchDirectedPacketsReceived,
 			prometheus.CounterValue,
-			switchData[virtualSwitchDirectedPacketsReceived].FirstValue,
-			name,
+			data.VirtualSwitchDirectedPacketsReceived,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchDirectedPacketsSent,
 			prometheus.CounterValue,
-			switchData[virtualSwitchDirectedPacketsSent].FirstValue,
-			name,
+			data.VirtualSwitchDirectedPacketsSent,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchDroppedPacketsIncoming,
 			prometheus.CounterValue,
-			switchData[virtualSwitchDroppedPacketsIncoming].FirstValue,
-			name,
+			data.VirtualSwitchDroppedPacketsIncoming,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchDroppedPacketsOutgoing,
 			prometheus.CounterValue,
-			switchData[virtualSwitchDroppedPacketsOutgoing].FirstValue,
-			name,
+			data.VirtualSwitchDroppedPacketsOutgoing,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchExtensionsDroppedPacketsIncoming,
 			prometheus.CounterValue,
-			switchData[virtualSwitchExtensionsDroppedPacketsIncoming].FirstValue,
-			name,
+			data.VirtualSwitchExtensionsDroppedPacketsIncoming,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchExtensionsDroppedPacketsOutgoing,
 			prometheus.CounterValue,
-			switchData[virtualSwitchExtensionsDroppedPacketsOutgoing].FirstValue,
-			name,
+			data.VirtualSwitchExtensionsDroppedPacketsOutgoing,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchLearnedMacAddresses,
 			prometheus.CounterValue,
-			switchData[virtualSwitchLearnedMacAddresses].FirstValue,
-			name,
+			data.VirtualSwitchLearnedMacAddresses,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchMulticastPacketsReceived,
 			prometheus.CounterValue,
-			switchData[virtualSwitchMulticastPacketsReceived].FirstValue,
-			name,
+			data.VirtualSwitchMulticastPacketsReceived,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchMulticastPacketsSent,
 			prometheus.CounterValue,
-			switchData[virtualSwitchMulticastPacketsSent].FirstValue,
-			name,
+			data.VirtualSwitchMulticastPacketsSent,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchNumberOfSendChannelMoves,
 			prometheus.CounterValue,
-			switchData[virtualSwitchNumberOfSendChannelMoves].FirstValue,
-			name,
+			data.VirtualSwitchNumberOfSendChannelMoves,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchNumberOfVMQMoves,
 			prometheus.CounterValue,
-			switchData[virtualSwitchNumberOfVMQMoves].FirstValue,
-			name,
+			data.VirtualSwitchNumberOfVMQMoves,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchPacketsFlooded,
 			prometheus.CounterValue,
-			switchData[virtualSwitchPacketsFlooded].FirstValue,
-			name,
+			data.VirtualSwitchPacketsFlooded,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchPackets,
 			prometheus.CounterValue,
-			switchData[virtualSwitchPackets].FirstValue,
-			name,
+			data.VirtualSwitchPackets,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchPacketsReceived,
 			prometheus.CounterValue,
-			switchData[virtualSwitchPacketsReceived].FirstValue,
-			name,
+			data.VirtualSwitchPacketsReceived,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchPacketsSent,
 			prometheus.CounterValue,
-			switchData[virtualSwitchPacketsSent].FirstValue,
-			name,
+			data.VirtualSwitchPacketsSent,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.virtualSwitchPurgedMacAddresses,
 			prometheus.CounterValue,
-			switchData[virtualSwitchPurgedMacAddresses].FirstValue,
-			name,
+			data.VirtualSwitchPurgedMacAddresses,
+			data.Name,
 		)
 	}
 

internal/collector/iis/iis.go

@@ -19,14 +19,12 @@ import (
 	"errors"
 	"fmt"
 	"log/slog"
-	"maps"
 	"regexp"
 	"slices"
 	"strings"
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 	"golang.org/x/sys/windows/registry"
@@ -270,26 +268,36 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 	return errors.Join(errs...)
 }
 
+type collectorName interface {
+	GetName() string
+}
+
 // deduplicateIISNames deduplicate IIS site names from various IIS perflib objects.
 //
 // E.G. Given the following list of site names, "Site_B" would be
 // discarded, and "Site_B#2" would be kept and presented as "Site_B" in the
 // Collector metrics.
 // [ "Site_A", "Site_B", "Site_C", "Site_B#2" ].
-func deduplicateIISNames(counterValues map[string]map[string]perfdata.CounterValue) {
-	services := slices.Collect(maps.Keys(counterValues))
+func deduplicateIISNames[T collectorName](counterValues []T) {
+	indexes := make(map[string]int)
 
 	// Ensure IIS entry with the highest suffix occurs last
-	slices.Sort(services)
+	slices.SortFunc(counterValues, func(a, b T) int {
+		return strings.Compare(a.GetName(), b.GetName())
+	})
 
 	// Use map to deduplicate IIS entries
-	for _, entry := range services {
-		name := strings.Split(entry, "#")[0]
-		if name == entry {
+	for index, counterValue := range counterValues {
+		name := strings.Split(counterValue.GetName(), "#")[0]
+		if name == counterValue.GetName() {
 			continue
 		}
 
-		counterValues[name] = counterValues[entry]
-		delete(counterValues, entry)
+		if originalIndex, ok := indexes[name]; !ok {
+			counterValues[originalIndex] = counterValue
+			counterValues = slices.Delete(counterValues, index, 1)
+		} else {
+			indexes[name] = index
+		}
 	}
 }

internal/collector/iis/iis_app_pool_was.go

@@ -18,13 +18,14 @@ package iis
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorAppPoolWAS struct {
-	perfDataCollectorAppPoolWAS *perfdata.Collector
+	perfDataCollectorAppPoolWAS *pdh.Collector
+	perfDataObjectAppPoolWAS    []perfDataCounterValuesAppPoolWAS
 
 	currentApplicationPoolState        *prometheus.Desc
 	currentApplicationPoolUptime       *prometheus.Desc
@@ -40,22 +41,27 @@ type collectorAppPoolWAS struct {
 	totalWorkerProcessShutdownFailures *prometheus.Desc
 	totalWorkerProcessStartupFailures  *prometheus.Desc
 }
+type perfDataCounterValuesAppPoolWAS struct {
+	Name string
 
-const (
-	CurrentApplicationPoolState        = "Current Application Pool State"
-	CurrentApplicationPoolUptime       = "Current Application Pool Uptime"
-	CurrentWorkerProcesses             = "Current Worker Processes"
-	MaximumWorkerProcesses             = "Maximum Worker Processes"
-	RecentWorkerProcessFailures        = "Recent Worker Process Failures"
-	TimeSinceLastWorkerProcessFailure  = "Time Since Last Worker Process Failure"
-	TotalApplicationPoolRecycles       = "Total Application Pool Recycles"
-	TotalApplicationPoolUptime         = "Total Application Pool Uptime"
-	TotalWorkerProcessesCreated        = "Total Worker Processes Created"
-	TotalWorkerProcessFailures         = "Total Worker Process Failures"
-	TotalWorkerProcessPingFailures     = "Total Worker Process Ping Failures"
-	TotalWorkerProcessShutdownFailures = "Total Worker Process Shutdown Failures"
-	TotalWorkerProcessStartupFailures  = "Total Worker Process Startup Failures"
-)
+	CurrentApplicationPoolState        float64 `perfdata:"Current Application Pool State"`
+	CurrentApplicationPoolUptime       float64 `perfdata:"Current Application Pool Uptime"`
+	CurrentWorkerProcesses             float64 `perfdata:"Current Worker Processes"`
+	MaximumWorkerProcesses             float64 `perfdata:"Maximum Worker Processes"`
+	RecentWorkerProcessFailures        float64 `perfdata:"Recent Worker Process Failures"`
+	TimeSinceLastWorkerProcessFailure  float64 `perfdata:"Time Since Last Worker Process Failure"`
+	TotalApplicationPoolRecycles       float64 `perfdata:"Total Application Pool Recycles"`
+	TotalApplicationPoolUptime         float64 `perfdata:"Total Application Pool Uptime"`
+	TotalWorkerProcessesCreated        float64 `perfdata:"Total Worker Processes Created"`
+	TotalWorkerProcessFailures         float64 `perfdata:"Total Worker Process Failures"`
+	TotalWorkerProcessPingFailures     float64 `perfdata:"Total Worker Process Ping Failures"`
+	TotalWorkerProcessShutdownFailures float64 `perfdata:"Total Worker Process Shutdown Failures"`
+	TotalWorkerProcessStartupFailures  float64 `perfdata:"Total Worker Process Startup Failures"`
+}
+
+func (p perfDataCounterValuesAppPoolWAS) GetName() string {
+	return p.Name
+}
 
 //nolint:gochecknoglobals
 var applicationStates = map[uint32]string{
@@ -71,21 +77,7 @@ var applicationStates = map[uint32]string{
 func (c *Collector) buildAppPoolWAS() error {
 	var err error
 
-	c.perfDataCollectorAppPoolWAS, err = perfdata.NewCollector("APP_POOL_WAS", perfdata.InstancesAll, []string{
-		CurrentApplicationPoolState,
-		CurrentApplicationPoolUptime,
-		CurrentWorkerProcesses,
-		MaximumWorkerProcesses,
-		RecentWorkerProcessFailures,
-		TimeSinceLastWorkerProcessFailure,
-		TotalApplicationPoolRecycles,
-		TotalApplicationPoolUptime,
-		TotalWorkerProcessesCreated,
-		TotalWorkerProcessFailures,
-		TotalWorkerProcessPingFailures,
-		TotalWorkerProcessShutdownFailures,
-		TotalWorkerProcessStartupFailures,
-	})
+	c.perfDataCollectorAppPoolWAS, err = pdh.NewCollector[perfDataCounterValuesAppPoolWAS]("APP_POOL_WAS", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create APP_POOL_WAS collector: %w", err)
 	}
@@ -174,21 +166,21 @@ func (c *Collector) buildAppPoolWAS() error {
 }
 
 func (c *Collector) collectAppPoolWAS(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorAppPoolWAS.Collect()
+	err := c.perfDataCollectorAppPoolWAS.Collect(&c.perfDataObjectAppPoolWAS)
 	if err != nil {
 		return fmt.Errorf("failed to collect APP_POOL_WAS metrics: %w", err)
 	}
 
-	deduplicateIISNames(perfData)
+	deduplicateIISNames(c.perfDataObjectAppPoolWAS)
 
-	for name, app := range perfData {
-		if c.config.AppExclude.MatchString(name) || !c.config.AppInclude.MatchString(name) {
+	for _, data := range c.perfDataObjectAppPoolWAS {
+		if c.config.AppExclude.MatchString(data.Name) || !c.config.AppInclude.MatchString(data.Name) {
 			continue
 		}
 
 		for key, label := range applicationStates {
 			isCurrentState := 0.0
-			if key == uint32(app[CurrentApplicationPoolState].FirstValue) {
+			if key == uint32(data.CurrentApplicationPoolState) {
 				isCurrentState = 1.0
 			}
 
@@ -196,7 +188,7 @@ func (c *Collector) collectAppPoolWAS(ch chan<- prometheus.Metric) error {
 				c.currentApplicationPoolState,
 				prometheus.GaugeValue,
 				isCurrentState,
-				name,
+				data.Name,
 				label,
 			)
 		}
@@ -204,74 +196,74 @@ func (c *Collector) collectAppPoolWAS(ch chan<- prometheus.Metric) error {
 		ch <- prometheus.MustNewConstMetric(
 			c.currentApplicationPoolUptime,
 			prometheus.GaugeValue,
-			app[CurrentApplicationPoolUptime].FirstValue,
-			name,
+			data.CurrentApplicationPoolUptime,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.currentWorkerProcesses,
 			prometheus.GaugeValue,
-			app[CurrentWorkerProcesses].FirstValue,
-			name,
+			data.CurrentWorkerProcesses,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.maximumWorkerProcesses,
 			prometheus.GaugeValue,
-			app[MaximumWorkerProcesses].FirstValue,
-			name,
+			data.MaximumWorkerProcesses,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.recentWorkerProcessFailures,
 			prometheus.GaugeValue,
-			app[RecentWorkerProcessFailures].FirstValue,
-			name,
+			data.RecentWorkerProcessFailures,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.timeSinceLastWorkerProcessFailure,
 			prometheus.GaugeValue,
-			app[TimeSinceLastWorkerProcessFailure].FirstValue,
-			name,
+			data.TimeSinceLastWorkerProcessFailure,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.totalApplicationPoolRecycles,
 			prometheus.CounterValue,
-			app[TotalApplicationPoolRecycles].FirstValue,
-			name,
+			data.TotalApplicationPoolRecycles,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.totalApplicationPoolUptime,
 			prometheus.CounterValue,
-			app[TotalApplicationPoolUptime].FirstValue,
-			name,
+			data.TotalApplicationPoolUptime,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.totalWorkerProcessesCreated,
 			prometheus.CounterValue,
-			app[TotalWorkerProcessesCreated].FirstValue,
-			name,
+			data.TotalWorkerProcessesCreated,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.totalWorkerProcessFailures,
 			prometheus.CounterValue,
-			app[TotalWorkerProcessFailures].FirstValue,
-			name,
+			data.TotalWorkerProcessFailures,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.totalWorkerProcessPingFailures,
 			prometheus.CounterValue,
-			app[TotalWorkerProcessPingFailures].FirstValue,
-			name,
+			data.TotalWorkerProcessPingFailures,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.totalWorkerProcessShutdownFailures,
 			prometheus.CounterValue,
-			app[TotalWorkerProcessShutdownFailures].FirstValue,
-			name,
+			data.TotalWorkerProcessShutdownFailures,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.totalWorkerProcessStartupFailures,
 			prometheus.CounterValue,
-			app[TotalWorkerProcessStartupFailures].FirstValue,
-			name,
+			data.TotalWorkerProcessStartupFailures,
+			data.Name,
 		)
 	}
 

internal/collector/iis/iis_bench_test.go

@@ -25,3 +25,7 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	testutils.FuncBenchmarkCollector(b, iis.Name, iis.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, iis.New, nil)
+}

internal/collector/iis/iis_w3svc_w3wp.go

@@ -20,13 +20,16 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorW3SVCW3WP struct {
-	w3SVCW3WPPerfDataCollector *perfdata.Collector
+	w3SVCW3WPPerfDataCollector   *pdh.Collector
+	w3SVCW3WPPerfDataCollectorV8 *pdh.Collector
+	perfDataObjectW3SVCW3WP      []perfDataCounterValuesW3SVCW3WP
+	perfDataObjectW3SVCW3WPV8    []perfDataCounterValuesW3SVCW3WPV8
 
 	// W3SVC_W3WP
 	w3SVCW3WPThreads        *prometheus.Desc
@@ -78,112 +81,85 @@ type collectorW3SVCW3WP struct {
 
 var workerProcessNameExtractor = regexp.MustCompile(`^(\d+)_(.+)$`)
 
-const (
-	w3SVCW3WPThreads        = "Active Threads Count"
-	w3SVCW3WPMaximumThreads = "Maximum Threads Count"
+type perfDataCounterValuesW3SVCW3WP struct {
+	Name string
 
-	w3SVCW3WPRequestsTotal  = "Total HTTP Requests Served"
-	w3SVCW3WPRequestsActive = "Active Requests"
+	W3SVCW3WPThreads        float64 `perfdata:"Active Threads Count"`
+	W3SVCW3WPMaximumThreads float64 `perfdata:"Maximum Threads Count"`
 
-	w3SVCW3WPActiveFlushedEntries = "Active Flushed Entries"
+	W3SVCW3WPRequestsTotal  float64 `perfdata:"Total HTTP Requests Served"`
+	W3SVCW3WPRequestsActive float64 `perfdata:"Active Requests"`
 
-	w3SVCW3WPCurrentFileCacheMemoryUsage = "Current File Cache Memory Usage"
-	w3SVCW3WPMaximumFileCacheMemoryUsage = "Maximum File Cache Memory Usage"
-	w3SVCW3WPFileCacheFlushesTotal       = "File Cache Flushes"
-	w3SVCW3WPFileCacheHitsTotal          = "File Cache Hits"
-	w3SVCW3WPFileCacheMissesTotal        = "File Cache Misses"
-	w3SVCW3WPFilesCached                 = "Current Files Cached"
-	w3SVCW3WPFilesCachedTotal            = "Total Files Cached"
-	w3SVCW3WPFilesFlushedTotal           = "Total Flushed Files"
+	W3SVCW3WPActiveFlushedEntries float64 `perfdata:"Active Flushed Entries"`
 
-	w3SVCW3WPURICacheFlushesTotal = "Total Flushed URIs"
-	w3SVCW3WPURICacheHitsTotal    = "URI Cache Hits"
-	w3SVCW3WPURICacheMissesTotal  = "URI Cache Misses"
-	w3SVCW3WPURIsCached           = "Current URIs Cached"
-	w3SVCW3WPURIsCachedTotal      = "Total URIs Cached"
-	w3SVCW3WPURIsFlushedTotal     = "Total Flushed URIs"
+	W3SVCW3WPCurrentFileCacheMemoryUsage float64 `perfdata:"Current File Cache Memory Usage"`
+	W3SVCW3WPMaximumFileCacheMemoryUsage float64 `perfdata:"Maximum File Cache Memory Usage"`
+	W3SVCW3WPFileCacheFlushesTotal       float64 `perfdata:"File Cache Flushes"`
+	W3SVCW3WPFileCacheHitsTotal          float64 `perfdata:"File Cache Hits"`
+	W3SVCW3WPFileCacheMissesTotal        float64 `perfdata:"File Cache Misses"`
+	W3SVCW3WPFilesCached                 float64 `perfdata:"Current Files Cached"`
+	W3SVCW3WPFilesCachedTotal            float64 `perfdata:"Total Files Cached"`
+	W3SVCW3WPFilesFlushedTotal           float64 `perfdata:"Total Flushed Files"`
 
-	w3SVCW3WPMetaDataCacheHits    = "Metadata Cache Hits"
-	w3SVCW3WPMetaDataCacheMisses  = "Metadata Cache Misses"
-	w3SVCW3WPMetadataCached       = "Current Metadata Cached"
-	w3SVCW3WPMetadataCacheFlushes = "Metadata Cache Flushes"
-	w3SVCW3WPMetadataCachedTotal  = "Total Metadata Cached"
-	w3SVCW3WPMetadataFlushedTotal = "Total Flushed Metadata"
+	W3SVCW3WPURICacheFlushesTotal float64 `perfdata:"Total Flushed URIs"`
+	W3SVCW3WPURICacheHitsTotal    float64 `perfdata:"URI Cache Hits"`
+	W3SVCW3WPURICacheMissesTotal  float64 `perfdata:"URI Cache Misses"`
+	W3SVCW3WPURIsCached           float64 `perfdata:"Current URIs Cached"`
+	W3SVCW3WPURIsCachedTotal      float64 `perfdata:"Total URIs Cached"`
+	W3SVCW3WPURIsFlushedTotal     float64 `perfdata:"Total Flushed URIs"`
 
-	w3SVCW3WPOutputCacheActiveFlushedItems = "Output Cache Current Flushed Items"
-	w3SVCW3WPOutputCacheItems              = "Output Cache Current Items"
-	w3SVCW3WPOutputCacheMemoryUsage        = "Output Cache Current Memory Usage"
-	w3SVCW3WPOutputCacheHitsTotal          = "Output Cache Total Hits"
-	w3SVCW3WPOutputCacheMissesTotal        = "Output Cache Total Misses"
-	w3SVCW3WPOutputCacheFlushedItemsTotal  = "Output Cache Total Flushed Items"
-	w3SVCW3WPOutputCacheFlushesTotal       = "Output Cache Total Flushes"
+	W3SVCW3WPMetaDataCacheHits    float64 `perfdata:"Metadata Cache Hits"`
+	W3SVCW3WPMetaDataCacheMisses  float64 `perfdata:"Metadata Cache Misses"`
+	W3SVCW3WPMetadataCached       float64 `perfdata:"Current Metadata Cached"`
+	W3SVCW3WPMetadataCacheFlushes float64 `perfdata:"Metadata Cache Flushes"`
+	W3SVCW3WPMetadataCachedTotal  float64 `perfdata:"Total Metadata Cached"`
+	W3SVCW3WPMetadataFlushedTotal float64 `perfdata:"Total Flushed Metadata"`
+
+	W3SVCW3WPOutputCacheActiveFlushedItems float64 `perfdata:"Output Cache Current Flushed Items"`
+	W3SVCW3WPOutputCacheItems              float64 `perfdata:"Output Cache Current Items"`
+	W3SVCW3WPOutputCacheMemoryUsage        float64 `perfdata:"Output Cache Current Memory Usage"`
+	W3SVCW3WPOutputCacheHitsTotal          float64 `perfdata:"Output Cache Total Hits"`
+	W3SVCW3WPOutputCacheMissesTotal        float64 `perfdata:"Output Cache Total Misses"`
+	W3SVCW3WPOutputCacheFlushedItemsTotal  float64 `perfdata:"Output Cache Total Flushed Items"`
+	W3SVCW3WPOutputCacheFlushesTotal       float64 `perfdata:"Output Cache Total Flushes"`
+}
+
+func (p perfDataCounterValuesW3SVCW3WP) GetName() string {
+	return p.Name
+}
+
+type perfDataCounterValuesW3SVCW3WPV8 struct {
+	Name string
 
 	// IIS8
-	w3SVCW3WPRequestErrors500 = "% 500 HTTP Response Sent"
-	w3SVCW3WPRequestErrors404 = "% 404 HTTP Response Sent"
-	w3SVCW3WPRequestErrors403 = "% 403 HTTP Response Sent"
-	w3SVCW3WPRequestErrors401 = "% 401 HTTP Response Sent"
+	W3SVCW3WPRequestErrors500 float64 `perfdata:"% 500 HTTP Response Sent"`
+	W3SVCW3WPRequestErrors404 float64 `perfdata:"% 404 HTTP Response Sent"`
+	W3SVCW3WPRequestErrors403 float64 `perfdata:"% 403 HTTP Response Sent"`
+	W3SVCW3WPRequestErrors401 float64 `perfdata:"% 401 HTTP Response Sent"`
 
-	w3SVCW3WPWebSocketRequestsActive      = "WebSocket Active Requests"
-	w3SVCW3WPWebSocketConnectionAttempts  = "WebSocket Connection Attempts / Sec"
-	w3SVCW3WPWebSocketConnectionsAccepted = "WebSocket Connections Accepted / Sec"
-	w3SVCW3WPWebSocketConnectionsRejected = "WebSocket Connections Rejected / Sec"
-)
+	W3SVCW3WPWebSocketRequestsActive      float64 `perfdata:"WebSocket Active Requests"`
+	W3SVCW3WPWebSocketConnectionAttempts  float64 `perfdata:"WebSocket Connection Attempts / Sec"`
+	W3SVCW3WPWebSocketConnectionsAccepted float64 `perfdata:"WebSocket Connections Accepted / Sec"`
+	W3SVCW3WPWebSocketConnectionsRejected float64 `perfdata:"WebSocket Connections Rejected / Sec"`
+}
+
+func (p perfDataCounterValuesW3SVCW3WPV8) GetName() string {
+	return p.Name
+}
 
 func (c *Collector) buildW3SVCW3WP() error {
-	counters := []string{
-		w3SVCW3WPThreads,
-		w3SVCW3WPMaximumThreads,
-		w3SVCW3WPRequestsTotal,
-		w3SVCW3WPRequestsActive,
-		w3SVCW3WPActiveFlushedEntries,
-		w3SVCW3WPCurrentFileCacheMemoryUsage,
-		w3SVCW3WPMaximumFileCacheMemoryUsage,
-		w3SVCW3WPFileCacheFlushesTotal,
-		w3SVCW3WPFileCacheHitsTotal,
-		w3SVCW3WPFileCacheMissesTotal,
-		w3SVCW3WPFilesCached,
-		w3SVCW3WPFilesCachedTotal,
-		w3SVCW3WPFilesFlushedTotal,
-		w3SVCW3WPURICacheFlushesTotal,
-		w3SVCW3WPURICacheHitsTotal,
-		w3SVCW3WPURICacheMissesTotal,
-		w3SVCW3WPURIsCached,
-		w3SVCW3WPURIsCachedTotal,
-		w3SVCW3WPURIsFlushedTotal,
-		w3SVCW3WPMetaDataCacheHits,
-		w3SVCW3WPMetaDataCacheMisses,
-		w3SVCW3WPMetadataCached,
-		w3SVCW3WPMetadataCacheFlushes,
-		w3SVCW3WPMetadataCachedTotal,
-		w3SVCW3WPMetadataFlushedTotal,
-		w3SVCW3WPOutputCacheActiveFlushedItems,
-		w3SVCW3WPOutputCacheItems,
-		w3SVCW3WPOutputCacheMemoryUsage,
-		w3SVCW3WPOutputCacheHitsTotal,
-		w3SVCW3WPOutputCacheMissesTotal,
-		w3SVCW3WPOutputCacheFlushedItemsTotal,
-		w3SVCW3WPOutputCacheFlushesTotal,
+	var err error
+
+	c.w3SVCW3WPPerfDataCollector, err = pdh.NewCollector[perfDataCounterValuesW3SVCW3WP]("W3SVC_W3WP", pdh.InstancesAll)
+	if err != nil {
+		return fmt.Errorf("failed to create W3SVC_W3WP collector: %w", err)
 	}
 
 	if c.iisVersion.major >= 8 {
-		counters = append(counters, []string{
-			w3SVCW3WPRequestErrors500,
-			w3SVCW3WPRequestErrors404,
-			w3SVCW3WPRequestErrors403,
-			w3SVCW3WPRequestErrors401,
-			w3SVCW3WPWebSocketRequestsActive,
-			w3SVCW3WPWebSocketConnectionAttempts,
-			w3SVCW3WPWebSocketConnectionsAccepted,
-			w3SVCW3WPWebSocketConnectionsRejected,
-		}...)
-	}
-
-	var err error
-
-	c.w3SVCW3WPPerfDataCollector, err = perfdata.NewCollector("W3SVC_W3WP", perfdata.InstancesAll, counters)
-	if err != nil {
-		return fmt.Errorf("failed to create W3SVC_W3WP collector: %w", err)
+		c.w3SVCW3WPPerfDataCollectorV8, err = pdh.NewCollector[perfDataCounterValuesW3SVCW3WPV8]("W3SVC_W3WP", pdh.InstancesAll)
+		if err != nil {
+			return fmt.Errorf("failed to create W3SVC_W3WP collector: %w", err)
+		}
 	}
 
 	// W3SVC_W3WP
@@ -415,22 +391,128 @@ func (c *Collector) buildW3SVCW3WP() error {
 }
 
 func (c *Collector) collectW3SVCW3WP(ch chan<- prometheus.Metric) error {
-	perfData, err := c.w3SVCW3WPPerfDataCollector.Collect()
+	if err := c.collectW3SVCW3WPv7(ch); err != nil {
+		return err
+	}
+
+	if c.iisVersion.major >= 8 {
+		if err := c.collectW3SVCW3WPv8(ch); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (c *Collector) collectW3SVCW3WPv8(ch chan<- prometheus.Metric) error {
+	err := c.w3SVCW3WPPerfDataCollectorV8.Collect(&c.perfDataObjectW3SVCW3WPV8)
 	if err != nil {
 		return fmt.Errorf("failed to collect APP_POOL_WAS metrics: %w", err)
 	}
 
-	deduplicateIISNames(perfData)
+	deduplicateIISNames(c.perfDataObjectW3SVCW3WPV8)
 
-	for name, app := range perfData {
-		if c.config.AppExclude.MatchString(name) || !c.config.AppInclude.MatchString(name) {
+	for _, data := range c.perfDataObjectW3SVCW3WPV8 {
+		if c.config.AppExclude.MatchString(data.Name) || !c.config.AppInclude.MatchString(data.Name) {
 			continue
 		}
 
 		// Extract the apppool name from the format <PID>_<NAME>
-		pid := workerProcessNameExtractor.ReplaceAllString(name, "$1")
+		pid := workerProcessNameExtractor.ReplaceAllString(data.Name, "$1")
 
-		name := workerProcessNameExtractor.ReplaceAllString(name, "$2")
+		name := workerProcessNameExtractor.ReplaceAllString(data.Name, "$2")
+		if name == "" || c.config.AppExclude.MatchString(name) ||
+			!c.config.AppInclude.MatchString(name) {
+			continue
+		}
+
+		// Duplicate instances are suffixed # with an index number. These should be ignored
+		if strings.Contains(name, "#") {
+			continue
+		}
+
+		ch <- prometheus.MustNewConstMetric(
+			c.w3SVCW3WPRequestErrorsTotal,
+			prometheus.CounterValue,
+			data.W3SVCW3WPRequestErrors401,
+			name,
+			pid,
+			"401",
+		)
+		ch <- prometheus.MustNewConstMetric(
+			c.w3SVCW3WPRequestErrorsTotal,
+			prometheus.CounterValue,
+			data.W3SVCW3WPRequestErrors403,
+			name,
+			pid,
+			"403",
+		)
+		ch <- prometheus.MustNewConstMetric(
+			c.w3SVCW3WPRequestErrorsTotal,
+			prometheus.CounterValue,
+			data.W3SVCW3WPRequestErrors404,
+			name,
+			pid,
+			"404",
+		)
+		ch <- prometheus.MustNewConstMetric(
+			c.w3SVCW3WPRequestErrorsTotal,
+			prometheus.CounterValue,
+			data.W3SVCW3WPRequestErrors500,
+			name,
+			pid,
+			"500",
+		)
+		ch <- prometheus.MustNewConstMetric(
+			c.w3SVCW3WPWebSocketRequestsActive,
+			prometheus.CounterValue,
+			data.W3SVCW3WPWebSocketRequestsActive,
+			name,
+			pid,
+		)
+		ch <- prometheus.MustNewConstMetric(
+			c.w3SVCW3WPWebSocketConnectionAttempts,
+			prometheus.CounterValue,
+			data.W3SVCW3WPWebSocketConnectionAttempts,
+			name,
+			pid,
+		)
+		ch <- prometheus.MustNewConstMetric(
+			c.w3SVCW3WPWebSocketConnectionsAccepted,
+			prometheus.CounterValue,
+			data.W3SVCW3WPWebSocketConnectionsAccepted,
+			name,
+			pid,
+		)
+		ch <- prometheus.MustNewConstMetric(
+			c.w3SVCW3WPWebSocketConnectionsRejected,
+			prometheus.CounterValue,
+			data.W3SVCW3WPWebSocketConnectionsRejected,
+			name,
+			pid,
+		)
+	}
+
+	return nil
+}
+
+func (c *Collector) collectW3SVCW3WPv7(ch chan<- prometheus.Metric) error {
+	err := c.w3SVCW3WPPerfDataCollector.Collect(&c.perfDataObjectW3SVCW3WP)
+	if err != nil {
+		return fmt.Errorf("failed to collect APP_POOL_WAS metrics: %w", err)
+	}
+
+	deduplicateIISNames(c.perfDataObjectW3SVCW3WP)
+
+	for _, data := range c.perfDataObjectW3SVCW3WP {
+		if c.config.AppExclude.MatchString(data.Name) || !c.config.AppInclude.MatchString(data.Name) {
+			continue
+		}
+
+		// Extract the apppool name from the format <PID>_<NAME>
+		pid := workerProcessNameExtractor.ReplaceAllString(data.Name, "$1")
+
+		name := workerProcessNameExtractor.ReplaceAllString(data.Name, "$2")
 		if name == "" || c.config.AppExclude.MatchString(name) ||
 			!c.config.AppInclude.MatchString(name) {
 			continue
@@ -444,7 +526,7 @@ func (c *Collector) collectW3SVCW3WP(ch chan<- prometheus.Metric) error {
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPThreads,
 			prometheus.GaugeValue,
-			app[w3SVCW3WPThreads].FirstValue,
+			data.W3SVCW3WPThreads,
 			name,
 			pid,
 			"busy",
@@ -452,283 +534,220 @@ func (c *Collector) collectW3SVCW3WP(ch chan<- prometheus.Metric) error {
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPMaximumThreads,
 			prometheus.CounterValue,
-			app[w3SVCW3WPMaximumThreads].FirstValue,
+			data.W3SVCW3WPMaximumThreads,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPRequestsTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPRequestsTotal].FirstValue,
+			data.W3SVCW3WPRequestsTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPRequestsActive,
 			prometheus.CounterValue,
-			app[w3SVCW3WPRequestsActive].FirstValue,
+			data.W3SVCW3WPRequestsActive,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPActiveFlushedEntries,
 			prometheus.GaugeValue,
-			app[w3SVCW3WPActiveFlushedEntries].FirstValue,
+			data.W3SVCW3WPActiveFlushedEntries,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPCurrentFileCacheMemoryUsage,
 			prometheus.GaugeValue,
-			app[w3SVCW3WPCurrentFileCacheMemoryUsage].FirstValue,
+			data.W3SVCW3WPCurrentFileCacheMemoryUsage,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPMaximumFileCacheMemoryUsage,
 			prometheus.CounterValue,
-			app[w3SVCW3WPMaximumFileCacheMemoryUsage].FirstValue,
+			data.W3SVCW3WPMaximumFileCacheMemoryUsage,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPFileCacheFlushesTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPFileCacheFlushesTotal].FirstValue,
+			data.W3SVCW3WPFileCacheFlushesTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPFileCacheQueriesTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPFileCacheHitsTotal].FirstValue+app[w3SVCW3WPFileCacheMissesTotal].FirstValue,
+			data.W3SVCW3WPFileCacheHitsTotal+data.W3SVCW3WPFileCacheMissesTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPFileCacheHitsTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPFileCacheHitsTotal].FirstValue,
+			data.W3SVCW3WPFileCacheHitsTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPFilesCached,
 			prometheus.GaugeValue,
-			app[w3SVCW3WPFilesCached].FirstValue,
+			data.W3SVCW3WPFilesCached,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPFilesCachedTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPFilesCachedTotal].FirstValue,
+			data.W3SVCW3WPFilesCachedTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPFilesFlushedTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPFilesFlushedTotal].FirstValue,
+			data.W3SVCW3WPFilesFlushedTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPURICacheFlushesTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPURICacheFlushesTotal].FirstValue,
+			data.W3SVCW3WPURICacheFlushesTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPURICacheQueriesTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPURICacheHitsTotal].FirstValue+app[w3SVCW3WPURICacheMissesTotal].FirstValue,
+			data.W3SVCW3WPURICacheHitsTotal+data.W3SVCW3WPURICacheMissesTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPURICacheHitsTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPURICacheHitsTotal].FirstValue,
+			data.W3SVCW3WPURICacheHitsTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPURIsCached,
 			prometheus.GaugeValue,
-			app[w3SVCW3WPURIsCached].FirstValue,
+			data.W3SVCW3WPURIsCached,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPURIsCachedTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPURIsCachedTotal].FirstValue,
+			data.W3SVCW3WPURIsCachedTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPURIsFlushedTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPURIsFlushedTotal].FirstValue,
+			data.W3SVCW3WPURIsFlushedTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPMetadataCached,
 			prometheus.GaugeValue,
-			app[w3SVCW3WPMetadataCached].FirstValue,
+			data.W3SVCW3WPMetadataCached,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPMetadataCacheFlushes,
 			prometheus.CounterValue,
-			app[w3SVCW3WPMetadataCacheFlushes].FirstValue,
+			data.W3SVCW3WPMetadataCacheFlushes,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPMetadataCacheQueriesTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPMetaDataCacheHits].FirstValue+app[w3SVCW3WPMetaDataCacheMisses].FirstValue,
+			data.W3SVCW3WPMetaDataCacheHits+data.W3SVCW3WPMetaDataCacheMisses,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPMetadataCacheHitsTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPMetaDataCacheHits].FirstValue,
+			data.W3SVCW3WPMetaDataCacheHits,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPMetadataCachedTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPMetadataCachedTotal].FirstValue,
+			data.W3SVCW3WPMetadataCachedTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPMetadataFlushedTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPMetadataFlushedTotal].FirstValue,
+			data.W3SVCW3WPMetadataFlushedTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPOutputCacheActiveFlushedItems,
 			prometheus.CounterValue,
-			app[w3SVCW3WPOutputCacheActiveFlushedItems].FirstValue,
+			data.W3SVCW3WPOutputCacheActiveFlushedItems,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPOutputCacheItems,
 			prometheus.CounterValue,
-			app[w3SVCW3WPOutputCacheItems].FirstValue,
+			data.W3SVCW3WPOutputCacheItems,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPOutputCacheMemoryUsage,
 			prometheus.CounterValue,
-			app[w3SVCW3WPOutputCacheMemoryUsage].FirstValue,
+			data.W3SVCW3WPOutputCacheMemoryUsage,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPOutputCacheQueriesTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPOutputCacheHitsTotal].FirstValue+app[w3SVCW3WPOutputCacheMissesTotal].FirstValue,
+			data.W3SVCW3WPOutputCacheHitsTotal+data.W3SVCW3WPOutputCacheMissesTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPOutputCacheHitsTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPOutputCacheHitsTotal].FirstValue,
+			data.W3SVCW3WPOutputCacheHitsTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPOutputCacheFlushedItemsTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPOutputCacheFlushedItemsTotal].FirstValue,
+			data.W3SVCW3WPOutputCacheFlushedItemsTotal,
 			name,
 			pid,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.w3SVCW3WPOutputCacheFlushesTotal,
 			prometheus.CounterValue,
-			app[w3SVCW3WPOutputCacheFlushesTotal].FirstValue,
+			data.W3SVCW3WPOutputCacheFlushesTotal,
 			name,
 			pid,
 		)
-
-		if c.iisVersion.major >= 8 {
-			ch <- prometheus.MustNewConstMetric(
-				c.w3SVCW3WPRequestErrorsTotal,
-				prometheus.CounterValue,
-				app[w3SVCW3WPRequestErrors401].FirstValue,
-				name,
-				pid,
-				"401",
-			)
-			ch <- prometheus.MustNewConstMetric(
-				c.w3SVCW3WPRequestErrorsTotal,
-				prometheus.CounterValue,
-				app[w3SVCW3WPRequestErrors403].FirstValue,
-				name,
-				pid,
-				"403",
-			)
-			ch <- prometheus.MustNewConstMetric(
-				c.w3SVCW3WPRequestErrorsTotal,
-				prometheus.CounterValue,
-				app[w3SVCW3WPRequestErrors404].FirstValue,
-				name,
-				pid,
-				"404",
-			)
-			ch <- prometheus.MustNewConstMetric(
-				c.w3SVCW3WPRequestErrorsTotal,
-				prometheus.CounterValue,
-				app[w3SVCW3WPRequestErrors500].FirstValue,
-				name,
-				pid,
-				"500",
-			)
-			ch <- prometheus.MustNewConstMetric(
-				c.w3SVCW3WPWebSocketRequestsActive,
-				prometheus.CounterValue,
-				app[w3SVCW3WPWebSocketRequestsActive].FirstValue,
-				name,
-				pid,
-			)
-			ch <- prometheus.MustNewConstMetric(
-				c.w3SVCW3WPWebSocketConnectionAttempts,
-				prometheus.CounterValue,
-				app[w3SVCW3WPWebSocketConnectionAttempts].FirstValue,
-				name,
-				pid,
-			)
-			ch <- prometheus.MustNewConstMetric(
-				c.w3SVCW3WPWebSocketConnectionsAccepted,
-				prometheus.CounterValue,
-				app[w3SVCW3WPWebSocketConnectionsAccepted].FirstValue,
-				name,
-				pid,
-			)
-			ch <- prometheus.MustNewConstMetric(
-				c.w3SVCW3WPWebSocketConnectionsRejected,
-				prometheus.CounterValue,
-				app[w3SVCW3WPWebSocketConnectionsRejected].FirstValue,
-				name,
-				pid,
-			)
-		}
 	}
 
 	return nil

internal/collector/iis/iis_web_service.go

@@ -18,13 +18,14 @@ package iis
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorWebService struct {
-	perfDataCollectorWebService *perfdata.Collector
+	perfDataCollectorWebService *pdh.Collector
+	perfDataObjectWebService    []perfDataCounterValuesWebService
 
 	webServiceCurrentAnonymousUsers               *prometheus.Desc
 	webServiceCurrentBlockedAsyncIORequests       *prometheus.Desc
@@ -50,88 +51,56 @@ type collectorWebService struct {
 	webServiceTotalRejectedAsyncIORequests        *prometheus.Desc
 }
 
-const (
-	webServiceCurrentAnonymousUsers               = "Current Anonymous Users"
-	webServiceCurrentBlockedAsyncIORequests       = "Current Blocked Async I/O Requests"
-	webServiceCurrentCGIRequests                  = "Current CGI Requests"
-	webServiceCurrentConnections                  = "Current Connections"
-	webServiceCurrentISAPIExtensionRequests       = "Current ISAPI Extension Requests"
-	webServiceCurrentNonAnonymousUsers            = "Current NonAnonymous Users"
-	webServiceServiceUptime                       = "Service Uptime"
-	webServiceTotalBytesReceived                  = "Total Bytes Received"
-	webServiceTotalBytesSent                      = "Total Bytes Sent"
-	webServiceTotalAnonymousUsers                 = "Total Anonymous Users"
-	webServiceTotalBlockedAsyncIORequests         = "Total Blocked Async I/O Requests"
-	webServiceTotalCGIRequests                    = "Total CGI Requests"
-	webServiceTotalConnectionAttemptsAllInstances = "Total Connection Attempts (all instances)"
-	webServiceTotalFilesReceived                  = "Total Files Received"
-	webServiceTotalFilesSent                      = "Total Files Sent"
-	webServiceTotalISAPIExtensionRequests         = "Total ISAPI Extension Requests"
-	webServiceTotalLockedErrors                   = "Total Locked Errors"
-	webServiceTotalLogonAttempts                  = "Total Logon Attempts"
-	webServiceTotalNonAnonymousUsers              = "Total NonAnonymous Users"
-	webServiceTotalNotFoundErrors                 = "Total Not Found Errors"
-	webServiceTotalRejectedAsyncIORequests        = "Total Rejected Async I/O Requests"
-	webServiceTotalCopyRequests                   = "Total Copy Requests"
-	webServiceTotalDeleteRequests                 = "Total Delete Requests"
-	webServiceTotalGetRequests                    = "Total Get Requests"
-	webServiceTotalHeadRequests                   = "Total Head Requests"
-	webServiceTotalLockRequests                   = "Total Lock Requests"
-	webServiceTotalMkcolRequests                  = "Total Mkcol Requests"
-	webServiceTotalMoveRequests                   = "Total Move Requests"
-	webServiceTotalOptionsRequests                = "Total Options Requests"
-	webServiceTotalOtherRequests                  = "Total Other Request Methods"
-	webServiceTotalPostRequests                   = "Total Post Requests"
-	webServiceTotalPropfindRequests               = "Total Propfind Requests"
-	webServiceTotalProppatchRequests              = "Total Proppatch Requests"
-	webServiceTotalPutRequests                    = "Total Put Requests"
-	webServiceTotalSearchRequests                 = "Total Search Requests"
-	webServiceTotalTraceRequests                  = "Total Trace Requests"
-	webServiceTotalUnlockRequests                 = "Total Unlock Requests"
-)
+type perfDataCounterValuesWebService struct {
+	Name string
+
+	WebServiceCurrentAnonymousUsers               float64 `perfdata:"Current Anonymous Users"`
+	WebServiceCurrentBlockedAsyncIORequests       float64 `perfdata:"Current Blocked Async I/O Requests"`
+	WebServiceCurrentCGIRequests                  float64 `perfdata:"Current CGI Requests"`
+	WebServiceCurrentConnections                  float64 `perfdata:"Current Connections"`
+	WebServiceCurrentISAPIExtensionRequests       float64 `perfdata:"Current ISAPI Extension Requests"`
+	WebServiceCurrentNonAnonymousUsers            float64 `perfdata:"Current NonAnonymous Users"`
+	WebServiceServiceUptime                       float64 `perfdata:"Service Uptime"`
+	WebServiceTotalBytesReceived                  float64 `perfdata:"Total Bytes Received"`
+	WebServiceTotalBytesSent                      float64 `perfdata:"Total Bytes Sent"`
+	WebServiceTotalAnonymousUsers                 float64 `perfdata:"Total Anonymous Users"`
+	WebServiceTotalBlockedAsyncIORequests         float64 `perfdata:"Total Blocked Async I/O Requests"`
+	WebServiceTotalCGIRequests                    float64 `perfdata:"Total CGI Requests"`
+	WebServiceTotalConnectionAttemptsAllInstances float64 `perfdata:"Total Connection Attempts (all instances)"`
+	WebServiceTotalFilesReceived                  float64 `perfdata:"Total Files Received"`
+	WebServiceTotalFilesSent                      float64 `perfdata:"Total Files Sent"`
+	WebServiceTotalISAPIExtensionRequests         float64 `perfdata:"Total ISAPI Extension Requests"`
+	WebServiceTotalLockedErrors                   float64 `perfdata:"Total Locked Errors"`
+	WebServiceTotalLogonAttempts                  float64 `perfdata:"Total Logon Attempts"`
+	WebServiceTotalNonAnonymousUsers              float64 `perfdata:"Total NonAnonymous Users"`
+	WebServiceTotalNotFoundErrors                 float64 `perfdata:"Total Not Found Errors"`
+	WebServiceTotalRejectedAsyncIORequests        float64 `perfdata:"Total Rejected Async I/O Requests"`
+	WebServiceTotalCopyRequests                   float64 `perfdata:"Total Copy Requests"`
+	WebServiceTotalDeleteRequests                 float64 `perfdata:"Total Delete Requests"`
+	WebServiceTotalGetRequests                    float64 `perfdata:"Total Get Requests"`
+	WebServiceTotalHeadRequests                   float64 `perfdata:"Total Head Requests"`
+	WebServiceTotalLockRequests                   float64 `perfdata:"Total Lock Requests"`
+	WebServiceTotalMkcolRequests                  float64 `perfdata:"Total Mkcol Requests"`
+	WebServiceTotalMoveRequests                   float64 `perfdata:"Total Move Requests"`
+	WebServiceTotalOptionsRequests                float64 `perfdata:"Total Options Requests"`
+	WebServiceTotalOtherRequests                  float64 `perfdata:"Total Other Request Methods"`
+	WebServiceTotalPostRequests                   float64 `perfdata:"Total Post Requests"`
+	WebServiceTotalPropfindRequests               float64 `perfdata:"Total Propfind Requests"`
+	WebServiceTotalProppatchRequests              float64 `perfdata:"Total Proppatch Requests"`
+	WebServiceTotalPutRequests                    float64 `perfdata:"Total Put Requests"`
+	WebServiceTotalSearchRequests                 float64 `perfdata:"Total Search Requests"`
+	WebServiceTotalTraceRequests                  float64 `perfdata:"Total Trace Requests"`
+	WebServiceTotalUnlockRequests                 float64 `perfdata:"Total Unlock Requests"`
+}
+
+func (p perfDataCounterValuesWebService) GetName() string {
+	return p.Name
+}
 
 func (c *Collector) buildWebService() error {
 	var err error
 
-	c.perfDataCollectorWebService, err = perfdata.NewCollector("Web Service", perfdata.InstancesAll, []string{
-		webServiceCurrentAnonymousUsers,
-		webServiceCurrentBlockedAsyncIORequests,
-		webServiceCurrentCGIRequests,
-		webServiceCurrentConnections,
-		webServiceCurrentISAPIExtensionRequests,
-		webServiceCurrentNonAnonymousUsers,
-		webServiceServiceUptime,
-		webServiceTotalBytesReceived,
-		webServiceTotalBytesSent,
-		webServiceTotalAnonymousUsers,
-		webServiceTotalBlockedAsyncIORequests,
-		webServiceTotalCGIRequests,
-		webServiceTotalConnectionAttemptsAllInstances,
-		webServiceTotalFilesReceived,
-		webServiceTotalFilesSent,
-		webServiceTotalISAPIExtensionRequests,
-		webServiceTotalLockedErrors,
-		webServiceTotalLogonAttempts,
-		webServiceTotalNonAnonymousUsers,
-		webServiceTotalNotFoundErrors,
-		webServiceTotalRejectedAsyncIORequests,
-		webServiceTotalCopyRequests,
-		webServiceTotalDeleteRequests,
-		webServiceTotalGetRequests,
-		webServiceTotalHeadRequests,
-		webServiceTotalLockRequests,
-		webServiceTotalMkcolRequests,
-		webServiceTotalMoveRequests,
-		webServiceTotalOptionsRequests,
-		webServiceTotalOtherRequests,
-		webServiceTotalPostRequests,
-		webServiceTotalPropfindRequests,
-		webServiceTotalProppatchRequests,
-		webServiceTotalPutRequests,
-		webServiceTotalSearchRequests,
-		webServiceTotalTraceRequests,
-		webServiceTotalUnlockRequests,
-	})
+	c.perfDataCollectorWebService, err = pdh.NewCollector[perfDataCounterValuesWebService]("Web Service", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Web Service collector: %w", err)
 	}
@@ -273,254 +242,254 @@ func (c *Collector) buildWebService() error {
 }
 
 func (c *Collector) collectWebService(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollectorWebService.Collect()
+	err := c.perfDataCollectorWebService.Collect(&c.perfDataObjectWebService)
 	if err != nil {
 		return fmt.Errorf("failed to collect Web Service metrics: %w", err)
 	}
 
-	deduplicateIISNames(perfData)
+	deduplicateIISNames(c.perfDataObjectWebService)
 
-	for name, app := range perfData {
-		if c.config.SiteExclude.MatchString(name) || !c.config.SiteInclude.MatchString(name) {
+	for _, data := range c.perfDataObjectWebService {
+		if c.config.SiteExclude.MatchString(data.Name) || !c.config.SiteInclude.MatchString(data.Name) {
 			continue
 		}
 
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceCurrentAnonymousUsers,
 			prometheus.GaugeValue,
-			app[webServiceCurrentAnonymousUsers].FirstValue,
-			name,
+			data.WebServiceCurrentAnonymousUsers,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceCurrentBlockedAsyncIORequests,
 			prometheus.GaugeValue,
-			app[webServiceCurrentBlockedAsyncIORequests].FirstValue,
-			name,
+			data.WebServiceCurrentBlockedAsyncIORequests,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceCurrentCGIRequests,
 			prometheus.GaugeValue,
-			app[webServiceCurrentCGIRequests].FirstValue,
-			name,
+			data.WebServiceCurrentCGIRequests,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceCurrentConnections,
 			prometheus.GaugeValue,
-			app[webServiceCurrentConnections].FirstValue,
-			name,
+			data.WebServiceCurrentConnections,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceCurrentISAPIExtensionRequests,
 			prometheus.GaugeValue,
-			app[webServiceCurrentISAPIExtensionRequests].FirstValue,
-			name,
+			data.WebServiceCurrentISAPIExtensionRequests,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceCurrentNonAnonymousUsers,
 			prometheus.GaugeValue,
-			app[webServiceCurrentNonAnonymousUsers].FirstValue,
-			name,
+			data.WebServiceCurrentNonAnonymousUsers,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceServiceUptime,
 			prometheus.GaugeValue,
-			app[webServiceServiceUptime].FirstValue,
-			name,
+			data.WebServiceServiceUptime,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalBytesReceived,
 			prometheus.CounterValue,
-			app[webServiceTotalBytesReceived].FirstValue,
-			name,
+			data.WebServiceTotalBytesReceived,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalBytesSent,
 			prometheus.CounterValue,
-			app[webServiceTotalBytesSent].FirstValue,
-			name,
+			data.WebServiceTotalBytesSent,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalAnonymousUsers,
 			prometheus.CounterValue,
-			app[webServiceTotalAnonymousUsers].FirstValue,
-			name,
+			data.WebServiceTotalAnonymousUsers,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalBlockedAsyncIORequests,
 			prometheus.CounterValue,
-			app[webServiceTotalBlockedAsyncIORequests].FirstValue,
-			name,
+			data.WebServiceTotalBlockedAsyncIORequests,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalCGIRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalCGIRequests].FirstValue,
-			name,
+			data.WebServiceTotalCGIRequests,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalConnectionAttemptsAllInstances,
 			prometheus.CounterValue,
-			app[webServiceTotalConnectionAttemptsAllInstances].FirstValue,
-			name,
+			data.WebServiceTotalConnectionAttemptsAllInstances,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalFilesReceived,
 			prometheus.CounterValue,
-			app[webServiceTotalFilesReceived].FirstValue,
-			name,
+			data.WebServiceTotalFilesReceived,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalFilesSent,
 			prometheus.CounterValue,
-			app[webServiceTotalFilesSent].FirstValue,
-			name,
+			data.WebServiceTotalFilesSent,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalISAPIExtensionRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalISAPIExtensionRequests].FirstValue,
-			name,
+			data.WebServiceTotalISAPIExtensionRequests,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalLockedErrors,
 			prometheus.CounterValue,
-			app[webServiceTotalLockedErrors].FirstValue,
-			name,
+			data.WebServiceTotalLockedErrors,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalLogonAttempts,
 			prometheus.CounterValue,
-			app[webServiceTotalLogonAttempts].FirstValue,
-			name,
+			data.WebServiceTotalLogonAttempts,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalNonAnonymousUsers,
 			prometheus.CounterValue,
-			app[webServiceTotalNonAnonymousUsers].FirstValue,
-			name,
+			data.WebServiceTotalNonAnonymousUsers,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalNotFoundErrors,
 			prometheus.CounterValue,
-			app[webServiceTotalNotFoundErrors].FirstValue,
-			name,
+			data.WebServiceTotalNotFoundErrors,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRejectedAsyncIORequests,
 			prometheus.CounterValue,
-			app[webServiceTotalRejectedAsyncIORequests].FirstValue,
-			name,
+			data.WebServiceTotalRejectedAsyncIORequests,
+			data.Name,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalOtherRequests].FirstValue,
-			name,
+			data.WebServiceTotalOtherRequests,
+			data.Name,
 			"other",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalCopyRequests].FirstValue,
-			name,
+			data.WebServiceTotalCopyRequests,
+			data.Name,
 			"COPY",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalDeleteRequests].FirstValue,
-			name,
+			data.WebServiceTotalDeleteRequests,
+			data.Name,
 			"DELETE",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalGetRequests].FirstValue,
-			name,
+			data.WebServiceTotalGetRequests,
+			data.Name,
 			"GET",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalHeadRequests].FirstValue,
-			name,
+			data.WebServiceTotalHeadRequests,
+			data.Name,
 			"HEAD",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalLockRequests].FirstValue,
-			name,
+			data.WebServiceTotalLockRequests,
+			data.Name,
 			"LOCK",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalMkcolRequests].FirstValue,
-			name,
+			data.WebServiceTotalMkcolRequests,
+			data.Name,
 			"MKCOL",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalMoveRequests].FirstValue,
-			name,
+			data.WebServiceTotalMoveRequests,
+			data.Name,
 			"MOVE",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalOptionsRequests].FirstValue,
-			name,
+			data.WebServiceTotalOptionsRequests,
+			data.Name,
 			"OPTIONS",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalPostRequests].FirstValue,
-			name,
+			data.WebServiceTotalPostRequests,
+			data.Name,
 			"POST",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalPropfindRequests].FirstValue,
-			name,
+			data.WebServiceTotalPropfindRequests,
+			data.Name,
 			"PROPFIND",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalProppatchRequests].FirstValue,
-			name,
+			data.WebServiceTotalProppatchRequests,
+			data.Name,
 			"PROPPATCH",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalPutRequests].FirstValue,
-			name,
+			data.WebServiceTotalPutRequests,
+			data.Name,
 			"PUT",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalSearchRequests].FirstValue,
-			name,
+			data.WebServiceTotalSearchRequests,
+			data.Name,
 			"SEARCH",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalTraceRequests].FirstValue,
-			name,
+			data.WebServiceTotalTraceRequests,
+			data.Name,
 			"TRACE",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.webServiceTotalRequests,
 			prometheus.CounterValue,
-			app[webServiceTotalUnlockRequests].FirstValue,
-			name,
+			data.WebServiceTotalUnlockRequests,
+			data.Name,
 			"UNLOCK",
 		)
 	}

internal/collector/iis/iis_web_service_cache.go

@@ -18,13 +18,14 @@ package iis
 import (
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorWebServiceCache struct {
-	serviceCachePerfDataCollector *perfdata.Collector
+	serviceCachePerfDataCollector *pdh.Collector
+	perfDataObjectServiceCache    []perfDataCounterServiceCache
 
 	serviceCacheActiveFlushedEntries *prometheus.Desc
 
@@ -60,82 +61,53 @@ type collectorWebServiceCache struct {
 	serviceCacheOutputCacheFlushesTotal       *prometheus.Desc
 }
 
-const (
-	serviceCacheActiveFlushedEntries          = "Active Flushed Entries"
-	serviceCacheCurrentFileCacheMemoryUsage   = "Current File Cache Memory Usage"
-	serviceCacheMaximumFileCacheMemoryUsage   = "Maximum File Cache Memory Usage"
-	serviceCacheFileCacheFlushesTotal         = "File Cache Flushes"
-	serviceCacheFileCacheHitsTotal            = "File Cache Hits"
-	serviceCacheFileCacheMissesTotal          = "File Cache Misses"
-	serviceCacheFilesCached                   = "Current Files Cached"
-	serviceCacheFilesCachedTotal              = "Total Files Cached"
-	serviceCacheFilesFlushedTotal             = "Total Flushed Files"
-	serviceCacheURICacheFlushesTotal          = "Total Flushed URIs"
-	serviceCacheURICacheFlushesTotalKernel    = "Total Flushed URIs"
-	serviceCacheURIsFlushedTotalKernel        = "Kernel: Total Flushed URIs"
-	serviceCacheURICacheHitsTotal             = "URI Cache Hits"
-	serviceCacheURICacheHitsTotalKernel       = "Kernel: URI Cache Hits"
-	serviceCacheURICacheMissesTotal           = "URI Cache Misses"
-	serviceCacheURICacheMissesTotalKernel     = "Kernel: URI Cache Misses"
-	serviceCacheURIsCached                    = "Current URIs Cached"
-	serviceCacheURIsCachedKernel              = "Kernel: Current URIs Cached"
-	serviceCacheURIsCachedTotal               = "Total URIs Cached"
-	serviceCacheURIsCachedTotalKernel         = "Total URIs Cached"
-	serviceCacheURIsFlushedTotal              = "Total Flushed URIs"
-	serviceCacheMetaDataCacheHits             = "Metadata Cache Hits"
-	serviceCacheMetaDataCacheMisses           = "Metadata Cache Misses"
-	serviceCacheMetadataCached                = "Current Metadata Cached"
-	serviceCacheMetadataCacheFlushes          = "Metadata Cache Flushes"
-	serviceCacheMetadataCachedTotal           = "Total Metadata Cached"
-	serviceCacheMetadataFlushedTotal          = "Total Flushed Metadata"
-	serviceCacheOutputCacheActiveFlushedItems = "Output Cache Current Flushed Items"
-	serviceCacheOutputCacheItems              = "Output Cache Current Items"
-	serviceCacheOutputCacheMemoryUsage        = "Output Cache Current Memory Usage"
-	serviceCacheOutputCacheHitsTotal          = "Output Cache Total Hits"
-	serviceCacheOutputCacheMissesTotal        = "Output Cache Total Misses"
-	serviceCacheOutputCacheFlushedItemsTotal  = "Output Cache Total Flushed Items"
-	serviceCacheOutputCacheFlushesTotal       = "Output Cache Total Flushes"
-)
+type perfDataCounterServiceCache struct {
+	Name string
+
+	ServiceCacheActiveFlushedEntries          float64 `perfdata:"Active Flushed Entries"`
+	ServiceCacheCurrentFileCacheMemoryUsage   float64 `perfdata:"Current File Cache Memory Usage"`
+	ServiceCacheMaximumFileCacheMemoryUsage   float64 `perfdata:"Maximum File Cache Memory Usage"`
+	ServiceCacheFileCacheFlushesTotal         float64 `perfdata:"File Cache Flushes"`
+	ServiceCacheFileCacheHitsTotal            float64 `perfdata:"File Cache Hits"`
+	ServiceCacheFileCacheMissesTotal          float64 `perfdata:"File Cache Misses"`
+	ServiceCacheFilesCached                   float64 `perfdata:"Current Files Cached"`
+	ServiceCacheFilesCachedTotal              float64 `perfdata:"Total Files Cached"`
+	ServiceCacheFilesFlushedTotal             float64 `perfdata:"Total Flushed Files"`
+	ServiceCacheURICacheFlushesTotal          float64 `perfdata:"Total Flushed URIs"`
+	ServiceCacheURICacheFlushesTotalKernel    float64 `perfdata:"Total Flushed URIs"`
+	ServiceCacheURIsFlushedTotalKernel        float64 `perfdata:"Kernel: Total Flushed URIs"`
+	ServiceCacheURICacheHitsTotal             float64 `perfdata:"URI Cache Hits"`
+	ServiceCacheURICacheHitsTotalKernel       float64 `perfdata:"Kernel: URI Cache Hits"`
+	ServiceCacheURICacheMissesTotal           float64 `perfdata:"URI Cache Misses"`
+	ServiceCacheURICacheMissesTotalKernel     float64 `perfdata:"Kernel: URI Cache Misses"`
+	ServiceCacheURIsCached                    float64 `perfdata:"Current URIs Cached"`
+	ServiceCacheURIsCachedKernel              float64 `perfdata:"Kernel: Current URIs Cached"`
+	ServiceCacheURIsCachedTotal               float64 `perfdata:"Total URIs Cached"`
+	ServiceCacheURIsCachedTotalKernel         float64 `perfdata:"Total URIs Cached"`
+	ServiceCacheURIsFlushedTotal              float64 `perfdata:"Total Flushed URIs"`
+	ServiceCacheMetaDataCacheHits             float64 `perfdata:"Metadata Cache Hits"`
+	ServiceCacheMetaDataCacheMisses           float64 `perfdata:"Metadata Cache Misses"`
+	ServiceCacheMetadataCached                float64 `perfdata:"Current Metadata Cached"`
+	ServiceCacheMetadataCacheFlushes          float64 `perfdata:"Metadata Cache Flushes"`
+	ServiceCacheMetadataCachedTotal           float64 `perfdata:"Total Metadata Cached"`
+	ServiceCacheMetadataFlushedTotal          float64 `perfdata:"Total Flushed Metadata"`
+	ServiceCacheOutputCacheActiveFlushedItems float64 `perfdata:"Output Cache Current Flushed Items"`
+	ServiceCacheOutputCacheItems              float64 `perfdata:"Output Cache Current Items"`
+	ServiceCacheOutputCacheMemoryUsage        float64 `perfdata:"Output Cache Current Memory Usage"`
+	ServiceCacheOutputCacheHitsTotal          float64 `perfdata:"Output Cache Total Hits"`
+	ServiceCacheOutputCacheMissesTotal        float64 `perfdata:"Output Cache Total Misses"`
+	ServiceCacheOutputCacheFlushedItemsTotal  float64 `perfdata:"Output Cache Total Flushed Items"`
+	ServiceCacheOutputCacheFlushesTotal       float64 `perfdata:"Output Cache Total Flushes"`
+}
+
+func (p perfDataCounterServiceCache) GetName() string {
+	return p.Name
+}
 
 func (c *Collector) buildWebServiceCache() error {
 	var err error
 
-	c.serviceCachePerfDataCollector, err = perfdata.NewCollector("Web Service Cache", perfdata.InstancesAll, []string{
-		serviceCacheActiveFlushedEntries,
-		serviceCacheCurrentFileCacheMemoryUsage,
-		serviceCacheMaximumFileCacheMemoryUsage,
-		serviceCacheFileCacheFlushesTotal,
-		serviceCacheFileCacheHitsTotal,
-		serviceCacheFileCacheMissesTotal,
-		serviceCacheFilesCached,
-		serviceCacheFilesCachedTotal,
-		serviceCacheFilesFlushedTotal,
-		serviceCacheURICacheFlushesTotal,
-		serviceCacheURICacheFlushesTotalKernel,
-		serviceCacheURIsFlushedTotalKernel,
-		serviceCacheURICacheHitsTotal,
-		serviceCacheURICacheHitsTotalKernel,
-		serviceCacheURICacheMissesTotal,
-		serviceCacheURICacheMissesTotalKernel,
-		serviceCacheURIsCached,
-		serviceCacheURIsCachedKernel,
-		serviceCacheURIsCachedTotal,
-		serviceCacheURIsCachedTotalKernel,
-		serviceCacheURIsFlushedTotal,
-		serviceCacheMetaDataCacheHits,
-		serviceCacheMetaDataCacheMisses,
-		serviceCacheMetadataCached,
-		serviceCacheMetadataCacheFlushes,
-		serviceCacheMetadataCachedTotal,
-		serviceCacheMetadataFlushedTotal,
-		serviceCacheOutputCacheActiveFlushedItems,
-		serviceCacheOutputCacheItems,
-		serviceCacheOutputCacheMemoryUsage,
-		serviceCacheOutputCacheHitsTotal,
-		serviceCacheOutputCacheMissesTotal,
-		serviceCacheOutputCacheFlushedItemsTotal,
-		serviceCacheOutputCacheFlushesTotal,
-	})
+	c.serviceCachePerfDataCollector, err = pdh.NewCollector[perfDataCounterServiceCache]("Web Service Cache", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Web Service Cache collector: %w", err)
 	}
@@ -314,199 +286,199 @@ func (c *Collector) buildWebServiceCache() error {
 }
 
 func (c *Collector) collectWebServiceCache(ch chan<- prometheus.Metric) error {
-	perfData, err := c.serviceCachePerfDataCollector.Collect()
+	err := c.serviceCachePerfDataCollector.Collect(&c.perfDataObjectServiceCache)
 	if err != nil {
 		return fmt.Errorf("failed to collect Web Service Cache metrics: %w", err)
 	}
 
-	deduplicateIISNames(perfData)
+	deduplicateIISNames(c.perfDataObjectServiceCache)
 
-	for name, app := range perfData {
-		if c.config.SiteExclude.MatchString(name) || !c.config.SiteInclude.MatchString(name) {
+	for _, data := range c.perfDataObjectServiceCache {
+		if c.config.SiteExclude.MatchString(data.Name) || !c.config.SiteInclude.MatchString(data.Name) {
 			continue
 		}
 
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheActiveFlushedEntries,
 			prometheus.GaugeValue,
-			app[serviceCacheActiveFlushedEntries].FirstValue,
+			data.ServiceCacheActiveFlushedEntries,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheCurrentFileCacheMemoryUsage,
 			prometheus.GaugeValue,
-			app[serviceCacheCurrentFileCacheMemoryUsage].FirstValue,
+			data.ServiceCacheCurrentFileCacheMemoryUsage,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheMaximumFileCacheMemoryUsage,
 			prometheus.CounterValue,
-			app[serviceCacheMaximumFileCacheMemoryUsage].FirstValue,
+			data.ServiceCacheMaximumFileCacheMemoryUsage,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheFileCacheFlushesTotal,
 			prometheus.CounterValue,
-			app[serviceCacheFileCacheFlushesTotal].FirstValue,
+			data.ServiceCacheFileCacheFlushesTotal,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheFileCacheQueriesTotal,
 			prometheus.CounterValue,
-			app[serviceCacheFileCacheHitsTotal].FirstValue+app[serviceCacheFileCacheMissesTotal].FirstValue,
+			data.ServiceCacheFileCacheHitsTotal+data.ServiceCacheFileCacheMissesTotal,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheFileCacheHitsTotal,
 			prometheus.CounterValue,
-			app[serviceCacheFileCacheHitsTotal].FirstValue,
+			data.ServiceCacheFileCacheHitsTotal,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheFilesCached,
 			prometheus.GaugeValue,
-			app[serviceCacheFilesCached].FirstValue,
+			data.ServiceCacheFilesCached,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheFilesCachedTotal,
 			prometheus.CounterValue,
-			app[serviceCacheFilesCachedTotal].FirstValue,
+			data.ServiceCacheFilesCachedTotal,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheFilesFlushedTotal,
 			prometheus.CounterValue,
-			app[serviceCacheFilesFlushedTotal].FirstValue,
+			data.ServiceCacheFilesFlushedTotal,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURICacheFlushesTotal,
 			prometheus.CounterValue,
-			app[serviceCacheURICacheFlushesTotal].FirstValue,
+			data.ServiceCacheURICacheFlushesTotal,
 			"user",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURICacheFlushesTotal,
 			prometheus.CounterValue,
-			app[serviceCacheURICacheFlushesTotalKernel].FirstValue,
+			data.ServiceCacheURICacheFlushesTotalKernel,
 			"kernel",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURICacheQueriesTotal,
 			prometheus.CounterValue,
-			app[serviceCacheURICacheHitsTotal].FirstValue+app[serviceCacheURICacheMissesTotal].FirstValue,
+			data.ServiceCacheURICacheHitsTotal+data.ServiceCacheURICacheMissesTotal,
 			"user",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURICacheQueriesTotal,
 			prometheus.CounterValue,
-			app[serviceCacheURICacheHitsTotalKernel].FirstValue+app[serviceCacheURICacheMissesTotalKernel].FirstValue,
+			data.ServiceCacheURICacheHitsTotalKernel+data.ServiceCacheURICacheMissesTotalKernel,
 			"kernel",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURICacheHitsTotal,
 			prometheus.CounterValue,
-			app[serviceCacheURICacheHitsTotal].FirstValue,
+			data.ServiceCacheURICacheHitsTotal,
 			"user",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURICacheHitsTotal,
 			prometheus.CounterValue,
-			app[serviceCacheURICacheHitsTotalKernel].FirstValue,
+			data.ServiceCacheURICacheHitsTotalKernel,
 			"kernel",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURIsCached,
 			prometheus.GaugeValue,
-			app[serviceCacheURIsCached].FirstValue,
+			data.ServiceCacheURIsCached,
 			"user",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURIsCached,
 			prometheus.GaugeValue,
-			app[serviceCacheURIsCachedKernel].FirstValue,
+			data.ServiceCacheURIsCachedKernel,
 			"kernel",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURIsCachedTotal,
 			prometheus.CounterValue,
-			app[serviceCacheURIsCachedTotal].FirstValue,
+			data.ServiceCacheURIsCachedTotal,
 			"user",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURIsCachedTotal,
 			prometheus.CounterValue,
-			app[serviceCacheURIsCachedTotalKernel].FirstValue,
+			data.ServiceCacheURIsCachedTotalKernel,
 			"kernel",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURIsFlushedTotal,
 			prometheus.CounterValue,
-			app[serviceCacheURIsFlushedTotal].FirstValue,
+			data.ServiceCacheURIsFlushedTotal,
 			"user",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheURIsFlushedTotal,
 			prometheus.CounterValue,
-			app[serviceCacheURIsFlushedTotalKernel].FirstValue,
+			data.ServiceCacheURIsFlushedTotalKernel,
 			"kernel",
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheMetadataCached,
 			prometheus.GaugeValue,
-			app[serviceCacheMetadataCached].FirstValue,
+			data.ServiceCacheMetadataCached,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheMetadataCacheFlushes,
 			prometheus.CounterValue,
-			app[serviceCacheMetadataCacheFlushes].FirstValue,
+			data.ServiceCacheMetadataCacheFlushes,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheMetadataCacheQueriesTotal,
 			prometheus.CounterValue,
-			app[serviceCacheMetaDataCacheHits].FirstValue+app[serviceCacheMetaDataCacheMisses].FirstValue,
+			data.ServiceCacheMetaDataCacheHits+data.ServiceCacheMetaDataCacheMisses,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheMetadataCacheHitsTotal,
 			prometheus.CounterValue,
-			0, // app[serviceCacheMetadataCacheHitsTotal].FirstValue,
+			0, // data.ServiceCacheMetadataCacheHitsTotal,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheMetadataCachedTotal,
 			prometheus.CounterValue,
-			app[serviceCacheMetadataCachedTotal].FirstValue,
+			data.ServiceCacheMetadataCachedTotal,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheMetadataFlushedTotal,
 			prometheus.CounterValue,
-			app[serviceCacheMetadataFlushedTotal].FirstValue,
+			data.ServiceCacheMetadataFlushedTotal,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheOutputCacheActiveFlushedItems,
 			prometheus.CounterValue,
-			app[serviceCacheOutputCacheActiveFlushedItems].FirstValue,
+			data.ServiceCacheOutputCacheActiveFlushedItems,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheOutputCacheItems,
 			prometheus.CounterValue,
-			app[serviceCacheOutputCacheItems].FirstValue,
+			data.ServiceCacheOutputCacheItems,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheOutputCacheMemoryUsage,
 			prometheus.CounterValue,
-			app[serviceCacheOutputCacheMemoryUsage].FirstValue,
+			data.ServiceCacheOutputCacheMemoryUsage,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheOutputCacheQueriesTotal,
 			prometheus.CounterValue,
-			app[serviceCacheOutputCacheHitsTotal].FirstValue+app[serviceCacheOutputCacheMissesTotal].FirstValue,
+			data.ServiceCacheOutputCacheHitsTotal+data.ServiceCacheOutputCacheMissesTotal,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheOutputCacheHitsTotal,
 			prometheus.CounterValue,
-			app[serviceCacheOutputCacheHitsTotal].FirstValue,
+			data.ServiceCacheOutputCacheHitsTotal,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheOutputCacheFlushedItemsTotal,
 			prometheus.CounterValue,
-			app[serviceCacheOutputCacheFlushedItemsTotal].FirstValue,
+			data.ServiceCacheOutputCacheFlushedItemsTotal,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.serviceCacheOutputCacheFlushesTotal,
 			prometheus.CounterValue,
-			app[serviceCacheOutputCacheFlushesTotal].FirstValue,
+			data.ServiceCacheOutputCacheFlushesTotal,
 		)
 	}
 

internal/collector/logical_disk/const.go

@@ -1,35 +0,0 @@
-// Copyright 2024 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build windows
-
-package logical_disk
-
-const (
-	avgDiskReadQueueLength  = "Avg. Disk Read Queue Length"
-	avgDiskSecPerRead       = "Avg. Disk sec/Read"
-	avgDiskSecPerTransfer   = "Avg. Disk sec/Transfer"
-	avgDiskSecPerWrite      = "Avg. Disk sec/Write"
-	avgDiskWriteQueueLength = "Avg. Disk Write Queue Length"
-	currentDiskQueueLength  = "Current Disk Queue Length"
-	freeSpace               = "Free Megabytes"
-	diskReadBytesPerSec     = "Disk Read Bytes/sec"
-	diskReadsPerSec         = "Disk Reads/sec"
-	diskWriteBytesPerSec    = "Disk Write Bytes/sec"
-	diskWritesPerSec        = "Disk Writes/sec"
-	percentDiskReadTime     = "% Disk Read Time"
-	percentDiskWriteTime    = "% Disk Write Time"
-	percentFreeSpace        = "% Free Space"
-	percentIdleTime         = "% Idle Time"
-	splitIOPerSec           = "Split IO/Sec"
-)

internal/collector/logical_disk/logical_disk.go

@@ -27,7 +27,7 @@ import (
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 	"golang.org/x/sys/windows"
@@ -51,7 +51,8 @@ type Collector struct {
 	config Config
 	logger *slog.Logger
 
-	perfDataCollector *perfdata.Collector
+	perfDataCollector *pdh.Collector
+	perfDataObject    []perfDataCounterValues
 
 	avgReadQueue     *prometheus.Desc
 	avgWriteQueue    *prometheus.Desc
@@ -151,24 +152,7 @@ func (c *Collector) Build(logger *slog.Logger, _ *mi.Session) error {
 
 	var err error
 
-	c.perfDataCollector, err = perfdata.NewCollector("LogicalDisk", perfdata.InstancesAll, []string{
-		currentDiskQueueLength,
-		avgDiskReadQueueLength,
-		avgDiskWriteQueueLength,
-		diskReadBytesPerSec,
-		diskReadsPerSec,
-		diskWriteBytesPerSec,
-		diskWritesPerSec,
-		percentDiskReadTime,
-		percentDiskWriteTime,
-		percentFreeSpace,
-		freeSpace,
-		percentIdleTime,
-		splitIOPerSec,
-		avgDiskSecPerRead,
-		avgDiskSecPerWrite,
-		avgDiskSecPerTransfer,
-	})
+	c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues]("LogicalDisk", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create LogicalDisk collector: %w", err)
 	}
@@ -303,12 +287,9 @@ func (c *Collector) Build(logger *slog.Logger, _ *mi.Session) error {
 // Collect sends the metric values for each metric
 // to the provided prometheus Metric channel.
 func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
-	var (
-		err  error
-		info volumeInfo
-	)
+	var info volumeInfo
 
-	perfData, err := c.perfDataCollector.Collect()
+	err := c.perfDataCollector.Collect(&c.perfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect LogicalDisk metrics: %w", err)
 	}
@@ -318,14 +299,14 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 		return fmt.Errorf("failed to get volumes: %w", err)
 	}
 
-	for name, volume := range perfData {
-		if c.config.VolumeExclude.MatchString(name) || !c.config.VolumeInclude.MatchString(name) {
+	for _, data := range c.perfDataObject {
+		if c.config.VolumeExclude.MatchString(data.Name) || !c.config.VolumeInclude.MatchString(data.Name) {
 			continue
 		}
 
-		info, err = getVolumeInfo(volumes, name)
+		info, err = getVolumeInfo(volumes, data.Name)
 		if err != nil {
-			c.logger.Warn("failed to get volume information for "+name,
+			c.logger.Warn("failed to get volume information for "+data.Name,
 				slog.Any("err", err),
 			)
 		}
@@ -336,7 +317,7 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 			1,
 			info.diskIDs,
 			info.volumeType,
-			name,
+			data.Name,
 			info.label,
 			info.filesystem,
 			info.serialNumber,
@@ -345,113 +326,113 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 		ch <- prometheus.MustNewConstMetric(
 			c.requestsQueued,
 			prometheus.GaugeValue,
-			volume[currentDiskQueueLength].FirstValue,
-			name,
+			data.CurrentDiskQueueLength,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.avgReadQueue,
 			prometheus.GaugeValue,
-			volume[avgDiskReadQueueLength].FirstValue*perfdata.TicksToSecondScaleFactor,
-			name,
+			data.AvgDiskReadQueueLength*pdh.TicksToSecondScaleFactor,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.avgWriteQueue,
 			prometheus.GaugeValue,
-			volume[avgDiskWriteQueueLength].FirstValue*perfdata.TicksToSecondScaleFactor,
-			name,
+			data.AvgDiskWriteQueueLength*pdh.TicksToSecondScaleFactor,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.readBytesTotal,
 			prometheus.CounterValue,
-			volume[diskReadBytesPerSec].FirstValue,
-			name,
+			data.DiskReadBytesPerSec,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.readsTotal,
 			prometheus.CounterValue,
-			volume[diskReadsPerSec].FirstValue,
-			name,
+			data.DiskReadsPerSec,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.writeBytesTotal,
 			prometheus.CounterValue,
-			volume[diskWriteBytesPerSec].FirstValue,
-			name,
+			data.DiskWriteBytesPerSec,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.writesTotal,
 			prometheus.CounterValue,
-			volume[diskWritesPerSec].FirstValue,
-			name,
+			data.DiskWritesPerSec,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.readTime,
 			prometheus.CounterValue,
-			volume[percentDiskReadTime].FirstValue,
-			name,
+			data.PercentDiskReadTime,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.writeTime,
 			prometheus.CounterValue,
-			volume[percentDiskWriteTime].FirstValue,
-			name,
+			data.PercentDiskWriteTime,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.freeSpace,
 			prometheus.GaugeValue,
-			volume[freeSpace].FirstValue*1024*1024,
-			name,
+			data.FreeSpace*1024*1024,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.totalSpace,
 			prometheus.GaugeValue,
-			volume[percentFreeSpace].SecondValue*1024*1024,
-			name,
+			data.PercentFreeSpace*1024*1024,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.idleTime,
 			prometheus.CounterValue,
-			volume[percentIdleTime].FirstValue,
-			name,
+			data.PercentIdleTime,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.splitIOs,
 			prometheus.CounterValue,
-			volume[splitIOPerSec].FirstValue,
-			name,
+			data.SplitIOPerSec,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.readLatency,
 			prometheus.CounterValue,
-			volume[avgDiskSecPerRead].FirstValue*perfdata.TicksToSecondScaleFactor,
-			name,
+			data.AvgDiskSecPerRead*pdh.TicksToSecondScaleFactor,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.writeLatency,
 			prometheus.CounterValue,
-			volume[avgDiskSecPerWrite].FirstValue*perfdata.TicksToSecondScaleFactor,
-			name,
+			data.AvgDiskSecPerWrite*pdh.TicksToSecondScaleFactor,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.readWriteLatency,
 			prometheus.CounterValue,
-			volume[avgDiskSecPerTransfer].FirstValue*perfdata.TicksToSecondScaleFactor,
-			name,
+			data.AvgDiskSecPerTransfer*pdh.TicksToSecondScaleFactor,
+			data.Name,
 		)
 	}
 
@@ -506,7 +487,9 @@ func getVolumeInfo(volumes map[string]string, rootDrive string) (volumeInfo, err
 		return volumeInfo{}, fmt.Errorf("could not open volume for %s: %w", rootDrive, err)
 	}
 
-	defer windows.Close(volumeHandle)
+	defer func(fd windows.Handle) {
+		_ = windows.Close(fd)
+	}(volumeHandle)
 
 	controlCode := uint32(5636096) // IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS
 	volumeDiskExtents := make([]byte, 16*1024)

internal/collector/logical_disk/logical_disk_test.go

@@ -27,8 +27,10 @@ import (
 func BenchmarkCollector(b *testing.B) {
 	// Whitelist is not set in testing context (kingpin flags not parsed), causing the Collector to skip all disks.
 	localVolumeInclude := ".+"
-	kingpin.CommandLine.GetArg("collector.logical_disk.volume-include").StringVar(&localVolumeInclude)
-	testutils.FuncBenchmarkCollector(b, "logical_disk", logical_disk.NewWithFlags)
+
+	testutils.FuncBenchmarkCollector(b, "logical_disk", logical_disk.NewWithFlags, func(app *kingpin.Application) {
+		app.GetFlag("collector.logical_disk.volume-include").StringVar(&localVolumeInclude)
+	})
 }
 
 func TestCollector(t *testing.T) {

internal/collector/logical_disk/types.go

@@ -0,0 +1,37 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build windows
+
+package logical_disk
+
+type perfDataCounterValues struct {
+	Name string
+
+	AvgDiskReadQueueLength  float64 `perfdata:"Avg. Disk Read Queue Length"`
+	AvgDiskSecPerRead       float64 `perfdata:"Avg. Disk sec/Read"`
+	AvgDiskSecPerTransfer   float64 `perfdata:"Avg. Disk sec/Transfer"`
+	AvgDiskSecPerWrite      float64 `perfdata:"Avg. Disk sec/Write"`
+	AvgDiskWriteQueueLength float64 `perfdata:"Avg. Disk Write Queue Length"`
+	CurrentDiskQueueLength  float64 `perfdata:"Current Disk Queue Length"`
+	FreeSpace               float64 `perfdata:"Free Megabytes"`
+	DiskReadBytesPerSec     float64 `perfdata:"Disk Read Bytes/sec"`
+	DiskReadsPerSec         float64 `perfdata:"Disk Reads/sec"`
+	DiskWriteBytesPerSec    float64 `perfdata:"Disk Write Bytes/sec"`
+	DiskWritesPerSec        float64 `perfdata:"Disk Writes/sec"`
+	PercentDiskReadTime     float64 `perfdata:"% Disk Read Time"`
+	PercentDiskWriteTime    float64 `perfdata:"% Disk Write Time"`
+	PercentFreeSpace        float64 `perfdata:"% Free Space,secondvalue"`
+	PercentIdleTime         float64 `perfdata:"% Idle Time"`
+	SplitIOPerSec           float64 `perfdata:"Split IO/Sec"`
+}

internal/collector/memory/const.go

@@ -1,53 +0,0 @@
-// Copyright 2024 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build windows
-
-package memory
-
-const (
-	availableBytes                  = "Available Bytes"
-	availableKBytes                 = "Available KBytes"
-	availableMBytes                 = "Available MBytes"
-	cacheBytes                      = "Cache Bytes"
-	cacheBytesPeak                  = "Cache Bytes Peak"
-	cacheFaultsPerSec               = "Cache Faults/sec"
-	commitLimit                     = "Commit Limit"
-	committedBytes                  = "Committed Bytes"
-	demandZeroFaultsPerSec          = "Demand Zero Faults/sec"
-	freeAndZeroPageListBytes        = "Free & Zero Page List Bytes"
-	freeSystemPageTableEntries      = "Free System Page Table Entries"
-	modifiedPageListBytes           = "Modified Page List Bytes"
-	pageFaultsPerSec                = "Page Faults/sec"
-	pageReadsPerSec                 = "Page Reads/sec"
-	pagesInputPerSec                = "Pages Input/sec"
-	pagesOutputPerSec               = "Pages Output/sec"
-	pagesPerSec                     = "Pages/sec"
-	pageWritesPerSec                = "Page Writes/sec"
-	poolNonpagedAllocs              = "Pool Nonpaged Allocs"
-	poolNonpagedBytes               = "Pool Nonpaged Bytes"
-	poolPagedAllocs                 = "Pool Paged Allocs"
-	poolPagedBytes                  = "Pool Paged Bytes"
-	poolPagedResidentBytes          = "Pool Paged Resident Bytes"
-	standbyCacheCoreBytes           = "Standby Cache Core Bytes"
-	standbyCacheNormalPriorityBytes = "Standby Cache Normal Priority Bytes"
-	standbyCacheReserveBytes        = "Standby Cache Reserve Bytes"
-	systemCacheResidentBytes        = "System Cache Resident Bytes"
-	systemCodeResidentBytes         = "System Code Resident Bytes"
-	systemCodeTotalBytes            = "System Code Total Bytes"
-	systemDriverResidentBytes       = "System Driver Resident Bytes"
-	systemDriverTotalBytes          = "System Driver Total Bytes"
-	transitionFaultsPerSec          = "Transition Faults/sec"
-	transitionPagesRePurposedPerSec = "Transition Pages RePurposed/sec"
-	writeCopiesPerSec               = "Write Copies/sec"
-)

internal/collector/memory/memory.go

@@ -26,7 +26,7 @@ import (
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/headers/sysinfoapi"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -42,7 +42,8 @@ var ConfigDefaults = Config{}
 type Collector struct {
 	config Config
 
-	perfDataCollector *perfdata.Collector
+	perfDataCollector *pdh.Collector
+	perfDataObject    []perfDataCounterValues
 
 	// Performance metrics
 	availableBytes                  *prometheus.Desc
@@ -109,46 +110,9 @@ func (c *Collector) Close() error {
 }
 
 func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
-	counters := []string{
-		availableBytes,
-		availableKBytes,
-		availableMBytes,
-		cacheBytes,
-		cacheBytesPeak,
-		cacheFaultsPerSec,
-		commitLimit,
-		committedBytes,
-		demandZeroFaultsPerSec,
-		freeAndZeroPageListBytes,
-		freeSystemPageTableEntries,
-		modifiedPageListBytes,
-		pageFaultsPerSec,
-		pageReadsPerSec,
-		pagesInputPerSec,
-		pagesOutputPerSec,
-		pagesPerSec,
-		pageWritesPerSec,
-		poolNonpagedAllocs,
-		poolNonpagedBytes,
-		poolPagedAllocs,
-		poolPagedBytes,
-		poolPagedResidentBytes,
-		standbyCacheCoreBytes,
-		standbyCacheNormalPriorityBytes,
-		standbyCacheReserveBytes,
-		systemCacheResidentBytes,
-		systemCodeResidentBytes,
-		systemCodeTotalBytes,
-		systemDriverResidentBytes,
-		systemDriverTotalBytes,
-		transitionFaultsPerSec,
-		transitionPagesRePurposedPerSec,
-		writeCopiesPerSec,
-	}
-
 	var err error
 
-	c.perfDataCollector, err = perfdata.NewCollector("Memory", perfdata.InstancesAll, counters)
+	c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues]("Memory", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create Memory collector: %w", err)
 	}
@@ -423,207 +387,201 @@ func (c *Collector) collectGlobalMemoryStatus(ch chan<- prometheus.Metric) error
 }
 
 func (c *Collector) collectPDH(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollector.Collect()
+	err := c.perfDataCollector.Collect(&c.perfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect Memory metrics: %w", err)
 	}
 
-	data, ok := perfData[perfdata.InstanceEmpty]
-
-	if !ok {
-		return fmt.Errorf("failed to collect Memory metrics: %w", types.ErrNoData)
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.availableBytes,
 		prometheus.GaugeValue,
-		data[availableBytes].FirstValue,
+		c.perfDataObject[0].AvailableBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.cacheBytes,
 		prometheus.GaugeValue,
-		data[cacheBytes].FirstValue,
+		c.perfDataObject[0].CacheBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.cacheBytesPeak,
 		prometheus.GaugeValue,
-		data[cacheBytesPeak].FirstValue,
+		c.perfDataObject[0].CacheBytesPeak,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.cacheFaultsTotal,
 		prometheus.CounterValue,
-		data[cacheFaultsPerSec].FirstValue,
+		c.perfDataObject[0].CacheFaultsPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.commitLimit,
 		prometheus.GaugeValue,
-		data[commitLimit].FirstValue,
+		c.perfDataObject[0].CommitLimit,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.committedBytes,
 		prometheus.GaugeValue,
-		data[committedBytes].FirstValue,
+		c.perfDataObject[0].CommittedBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.demandZeroFaultsTotal,
 		prometheus.CounterValue,
-		data[demandZeroFaultsPerSec].FirstValue,
+		c.perfDataObject[0].DemandZeroFaultsPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.freeAndZeroPageListBytes,
 		prometheus.GaugeValue,
-		data[freeAndZeroPageListBytes].FirstValue,
+		c.perfDataObject[0].FreeAndZeroPageListBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.freeSystemPageTableEntries,
 		prometheus.GaugeValue,
-		data[freeSystemPageTableEntries].FirstValue,
+		c.perfDataObject[0].FreeSystemPageTableEntries,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.modifiedPageListBytes,
 		prometheus.GaugeValue,
-		data[modifiedPageListBytes].FirstValue,
+		c.perfDataObject[0].ModifiedPageListBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.pageFaultsTotal,
 		prometheus.CounterValue,
-		data[pageFaultsPerSec].FirstValue,
+		c.perfDataObject[0].PageFaultsPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.swapPageReadsTotal,
 		prometheus.CounterValue,
-		data[pageReadsPerSec].FirstValue,
+		c.perfDataObject[0].PageReadsPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.swapPagesReadTotal,
 		prometheus.CounterValue,
-		data[pagesInputPerSec].FirstValue,
+		c.perfDataObject[0].PagesInputPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.swapPagesWrittenTotal,
 		prometheus.CounterValue,
-		data[pagesOutputPerSec].FirstValue,
+		c.perfDataObject[0].PagesOutputPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.swapPageOperationsTotal,
 		prometheus.CounterValue,
-		data[pagesPerSec].FirstValue,
+		c.perfDataObject[0].PagesPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.swapPageWritesTotal,
 		prometheus.CounterValue,
-		data[pageWritesPerSec].FirstValue,
+		c.perfDataObject[0].PageWritesPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.poolNonPagedAllocationsTotal,
 		prometheus.GaugeValue,
-		data[poolNonpagedAllocs].FirstValue,
+		c.perfDataObject[0].PoolNonpagedAllocs,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.poolNonPagedBytes,
 		prometheus.GaugeValue,
-		data[poolNonpagedBytes].FirstValue,
+		c.perfDataObject[0].PoolNonpagedBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.poolPagedAllocationsTotal,
 		prometheus.CounterValue,
-		data[poolPagedAllocs].FirstValue,
+		c.perfDataObject[0].PoolPagedAllocs,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.poolPagedBytes,
 		prometheus.GaugeValue,
-		data[poolPagedBytes].FirstValue,
+		c.perfDataObject[0].PoolPagedBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.poolPagedResidentBytes,
 		prometheus.GaugeValue,
-		data[poolPagedResidentBytes].FirstValue,
+		c.perfDataObject[0].PoolPagedResidentBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.standbyCacheCoreBytes,
 		prometheus.GaugeValue,
-		data[standbyCacheCoreBytes].FirstValue,
+		c.perfDataObject[0].StandbyCacheCoreBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.standbyCacheNormalPriorityBytes,
 		prometheus.GaugeValue,
-		data[standbyCacheNormalPriorityBytes].FirstValue,
+		c.perfDataObject[0].StandbyCacheNormalPriorityBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.standbyCacheReserveBytes,
 		prometheus.GaugeValue,
-		data[standbyCacheReserveBytes].FirstValue,
+		c.perfDataObject[0].StandbyCacheReserveBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.systemCacheResidentBytes,
 		prometheus.GaugeValue,
-		data[systemCacheResidentBytes].FirstValue,
+		c.perfDataObject[0].SystemCacheResidentBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.systemCodeResidentBytes,
 		prometheus.GaugeValue,
-		data[systemCodeResidentBytes].FirstValue,
+		c.perfDataObject[0].SystemCodeResidentBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.systemCodeTotalBytes,
 		prometheus.GaugeValue,
-		data[systemCodeTotalBytes].FirstValue,
+		c.perfDataObject[0].SystemCodeTotalBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.systemDriverResidentBytes,
 		prometheus.GaugeValue,
-		data[systemDriverResidentBytes].FirstValue,
+		c.perfDataObject[0].SystemDriverResidentBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.systemDriverTotalBytes,
 		prometheus.GaugeValue,
-		data[systemDriverTotalBytes].FirstValue,
+		c.perfDataObject[0].SystemDriverTotalBytes,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.transitionFaultsTotal,
 		prometheus.CounterValue,
-		data[transitionFaultsPerSec].FirstValue,
+		c.perfDataObject[0].TransitionFaultsPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.transitionPagesRepurposedTotal,
 		prometheus.CounterValue,
-		data[transitionPagesRePurposedPerSec].FirstValue,
+		c.perfDataObject[0].TransitionPagesRePurposedPerSec,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.writeCopiesTotal,
 		prometheus.CounterValue,
-		data[writeCopiesPerSec].FirstValue,
+		c.perfDataObject[0].WriteCopiesPerSec,
 	)
 
 	return nil

internal/collector/memory/types.go

@@ -0,0 +1,53 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build windows
+
+package memory
+
+type perfDataCounterValues struct {
+	AvailableBytes                  float64 `perfdata:"Available Bytes"`
+	AvailableKBytes                 float64 `perfdata:"Available KBytes"`
+	AvailableMBytes                 float64 `perfdata:"Available MBytes"`
+	CacheBytes                      float64 `perfdata:"Cache Bytes"`
+	CacheBytesPeak                  float64 `perfdata:"Cache Bytes Peak"`
+	CacheFaultsPerSec               float64 `perfdata:"Cache Faults/sec"`
+	CommitLimit                     float64 `perfdata:"Commit Limit"`
+	CommittedBytes                  float64 `perfdata:"Committed Bytes"`
+	DemandZeroFaultsPerSec          float64 `perfdata:"Demand Zero Faults/sec"`
+	FreeAndZeroPageListBytes        float64 `perfdata:"Free & Zero Page List Bytes"`
+	FreeSystemPageTableEntries      float64 `perfdata:"Free System Page Table Entries"`
+	ModifiedPageListBytes           float64 `perfdata:"Modified Page List Bytes"`
+	PageFaultsPerSec                float64 `perfdata:"Page Faults/sec"`
+	PageReadsPerSec                 float64 `perfdata:"Page Reads/sec"`
+	PagesInputPerSec                float64 `perfdata:"Pages Input/sec"`
+	PagesOutputPerSec               float64 `perfdata:"Pages Output/sec"`
+	PagesPerSec                     float64 `perfdata:"Pages/sec"`
+	PageWritesPerSec                float64 `perfdata:"Page Writes/sec"`
+	PoolNonpagedAllocs              float64 `perfdata:"Pool Nonpaged Allocs"`
+	PoolNonpagedBytes               float64 `perfdata:"Pool Nonpaged Bytes"`
+	PoolPagedAllocs                 float64 `perfdata:"Pool Paged Allocs"`
+	PoolPagedBytes                  float64 `perfdata:"Pool Paged Bytes"`
+	PoolPagedResidentBytes          float64 `perfdata:"Pool Paged Resident Bytes"`
+	StandbyCacheCoreBytes           float64 `perfdata:"Standby Cache Core Bytes"`
+	StandbyCacheNormalPriorityBytes float64 `perfdata:"Standby Cache Normal Priority Bytes"`
+	StandbyCacheReserveBytes        float64 `perfdata:"Standby Cache Reserve Bytes"`
+	SystemCacheResidentBytes        float64 `perfdata:"System Cache Resident Bytes"`
+	SystemCodeResidentBytes         float64 `perfdata:"System Code Resident Bytes"`
+	SystemCodeTotalBytes            float64 `perfdata:"System Code Total Bytes"`
+	SystemDriverResidentBytes       float64 `perfdata:"System Driver Resident Bytes"`
+	SystemDriverTotalBytes          float64 `perfdata:"System Driver Total Bytes"`
+	TransitionFaultsPerSec          float64 `perfdata:"Transition Faults/sec"`
+	TransitionPagesRePurposedPerSec float64 `perfdata:"Transition Pages RePurposed/sec"`
+	WriteCopiesPerSec               float64 `perfdata:"Write Copies/sec"`
+}

internal/collector/mscluster/mscluster_test.go

@@ -13,17 +13,19 @@
 
 //go:build windows
 
-package perfdata
+package mscluster_test
 
-import "github.com/prometheus/client_golang/prometheus"
+import (
+	"testing"
 
-const (
-	InstanceEmpty = "------"
-	InstanceTotal = "_Total"
+	"github.com/prometheus-community/windows_exporter/internal/collector/mscluster"
+	"github.com/prometheus-community/windows_exporter/internal/utils/testutils"
 )
 
-type CounterValue struct {
-	Type        prometheus.ValueType
-	FirstValue  float64
-	SecondValue float64
+func BenchmarkCollector(b *testing.B) {
+	testutils.FuncBenchmarkCollector(b, mscluster.Name, mscluster.NewWithFlags)
+}
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, mscluster.New, nil)
 }

internal/collector/msmq/msmq.go

@@ -21,7 +21,7 @@ import (
 
 	"github.com/alecthomas/kingpin/v2"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -36,7 +36,8 @@ var ConfigDefaults = Config{}
 // A Collector is a Prometheus Collector for WMI Win32_PerfRawData_MSMQ_MSMQQueue metrics.
 type Collector struct {
 	config            Config
-	perfDataCollector *perfdata.Collector
+	perfDataCollector *pdh.Collector
+	perfDataObject    []perfDataCounterValues
 
 	bytesInJournalQueue    *prometheus.Desc
 	bytesInQueue           *prometheus.Desc
@@ -75,12 +76,7 @@ func (c *Collector) Close() error {
 func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 	var err error
 
-	c.perfDataCollector, err = perfdata.NewCollector("MSMQ Queue", perfdata.InstancesAll, []string{
-		bytesInJournalQueue,
-		bytesInQueue,
-		messagesInJournalQueue,
-		messagesInQueue,
-	})
+	c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues]("MSMQ Queue", pdh.InstancesAll)
 	if err != nil {
 		return fmt.Errorf("failed to create MSMQ Queue collector: %w", err)
 	}
@@ -116,38 +112,38 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
 // Collect sends the metric values for each metric
 // to the provided prometheus Metric channel.
 func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
-	perfData, err := c.perfDataCollector.Collect()
+	err := c.perfDataCollector.Collect(&c.perfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect MSMQ Queue metrics: %w", err)
 	}
 
-	for name, data := range perfData {
+	for _, data := range c.perfDataObject {
 		ch <- prometheus.MustNewConstMetric(
 			c.bytesInJournalQueue,
 			prometheus.GaugeValue,
-			data[bytesInJournalQueue].FirstValue,
-			name,
+			data.BytesInJournalQueue,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bytesInQueue,
 			prometheus.GaugeValue,
-			data[bytesInQueue].FirstValue,
-			name,
+			data.BytesInQueue,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.messagesInJournalQueue,
 			prometheus.GaugeValue,
-			data[messagesInJournalQueue].FirstValue,
-			name,
+			data.MessagesInJournalQueue,
+			data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.messagesInQueue,
 			prometheus.GaugeValue,
-			data[messagesInQueue].FirstValue,
-			name,
+			data.MessagesInQueue,
+			data.Name,
 		)
 	}
 

internal/collector/msmq/msmq_test.go

@@ -26,3 +26,7 @@ func BenchmarkCollector(b *testing.B) {
 	// No context name required as Collector source is WMI
 	testutils.FuncBenchmarkCollector(b, msmq.Name, msmq.NewWithFlags)
 }
+
+func TestCollector(t *testing.T) {
+	testutils.TestCollector(t, msmq.New, nil)
+}

internal/collector/msmq/types.go

@@ -15,9 +15,11 @@
 
 package msmq
 
-const (
-	bytesInJournalQueue    = "Bytes in Journal Queue"
-	bytesInQueue           = "Bytes in Queue"
-	messagesInJournalQueue = "Messages in Journal Queue"
-	messagesInQueue        = "Messages in Queue"
-)
+type perfDataCounterValues struct {
+	Name string
+
+	BytesInJournalQueue    float64 `perfdata:"Bytes in Journal Queue"`
+	BytesInQueue           float64 `perfdata:"Bytes in Queue"`
+	MessagesInJournalQueue float64 `perfdata:"Messages in Journal Queue"`
+	MessagesInQueue        float64 `perfdata:"Messages in Queue"`
+}

internal/collector/mssql/mssql.go

@@ -16,24 +16,20 @@
 package mssql
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"log/slog"
 	"sort"
-	"strconv"
 	"strings"
 	"sync"
 	"time"
-	"unsafe"
 
-	"github.com/Microsoft/go-winio/pkg/process"
 	"github.com/alecthomas/kingpin/v2"
-	"github.com/prometheus-community/windows_exporter/internal/headers/iphlpapi"
 	"github.com/prometheus-community/windows_exporter/internal/mi"
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
-	"golang.org/x/sys/windows"
 	"golang.org/x/sys/windows/registry"
 )
 
@@ -46,6 +42,7 @@ const (
 	subCollectorDatabases           = "databases"
 	subCollectorDatabaseReplica     = "dbreplica"
 	subCollectorGeneralStatistics   = "genstats"
+	subCollectorInfo                = "info"
 	subCollectorLocks               = "locks"
 	subCollectorMemoryManager       = "memmgr"
 	subCollectorSQLErrors           = "sqlerrors"
@@ -56,7 +53,6 @@ const (
 
 type Config struct {
 	CollectorsEnabled []string `yaml:"collectors_enabled"`
-	Port              uint16   `yaml:"port"`
 }
 
 //nolint:gochecknoglobals
@@ -68,6 +64,7 @@ var ConfigDefaults = Config{
 		subCollectorDatabases,
 		subCollectorDatabaseReplica,
 		subCollectorGeneralStatistics,
+		subCollectorInfo,
 		subCollectorLocks,
 		subCollectorMemoryManager,
 		subCollectorSQLErrors,
@@ -75,7 +72,6 @@ var ConfigDefaults = Config{
 		subCollectorTransactions,
 		subCollectorWaitStats,
 	},
-	Port: 1433,
 }
 
 // A Collector is a Prometheus Collector for various WMI Win32_PerfRawData_MSSQLSERVER_* metrics.
@@ -84,17 +80,13 @@ type Collector struct {
 
 	logger *slog.Logger
 
-	mssqlInstances mssqlInstancesType
+	mssqlInstances []mssqlInstance
 	collectorFns   []func(ch chan<- prometheus.Metric) error
 	closeFns       []func()
 
-	fileVersion    string
-	productVersion string
-
 	// meta
 	mssqlScrapeDurationDesc *prometheus.Desc
 	mssqlScrapeSuccessDesc  *prometheus.Desc
-	mssqlInfoDesc           *prometheus.Desc
 
 	collectorAccessMethods
 	collectorAvailabilityReplica
@@ -102,6 +94,7 @@ type Collector struct {
 	collectorDatabaseReplica
 	collectorDatabases
 	collectorGeneralStatistics
+	collectorInstance
 	collectorLocks
 	collectorMemoryManager
 	collectorSQLErrors
@@ -110,8 +103,6 @@ type Collector struct {
 	collectorWaitStats
 }
 
-type mssqlInstancesType map[string]string
-
 func New(config *Config) *Collector {
 	if config == nil {
 		config = &ConfigDefaults
@@ -121,10 +112,6 @@ func New(config *Config) *Collector {
 		config.CollectorsEnabled = ConfigDefaults.CollectorsEnabled
 	}
 
-	if config.Port == 0 {
-		config.Port = ConfigDefaults.Port
-	}
-
 	c := &Collector{
 		config: *config,
 	}
@@ -144,11 +131,6 @@ func NewWithFlags(app *kingpin.Application) *Collector {
 		"Comma-separated list of collectors to use.",
 	).Default(strings.Join(c.config.CollectorsEnabled, ",")).StringVar(&collectorsEnabled)
 
-	app.Flag(
-		"collector.mssql.port",
-		"Port of MSSQL server used for windows_mssql_info metric.",
-	).Default(strconv.FormatUint(uint64(c.config.Port), 10)).Uint16Var(&c.config.Port)
-
 	app.Action(func(*kingpin.ParseContext) error {
 		c.config.CollectorsEnabled = strings.Split(collectorsEnabled, ",")
 
@@ -172,18 +154,13 @@ func (c *Collector) Close() error {
 
 func (c *Collector) Build(logger *slog.Logger, _ *mi.Session) error {
 	c.logger = logger.With(slog.String("collector", Name))
-	c.mssqlInstances = c.getMSSQLInstances()
 
-	fileVersion, productVersion, err := c.getMSSQLServerVersion(c.config.Port)
+	instances, err := c.getMSSQLInstances()
 	if err != nil {
-		logger.Warn("failed to get MSSQL server version",
-			slog.Any("err", err),
-			slog.String("collector", Name),
-		)
+		return fmt.Errorf("couldn't get SQL instances: %w", err)
 	}
 
-	c.fileVersion = fileVersion
-	c.productVersion = productVersion
+	c.mssqlInstances = instances
 
 	subCollectors := map[string]struct {
 		build   func() error
@@ -220,6 +197,11 @@ func (c *Collector) Build(logger *slog.Logger, _ *mi.Session) error {
 			collect: c.collectGeneralStatistics,
 			close:   c.closeGeneralStatistics,
 		},
+		subCollectorInfo: {
+			build:   c.buildInstance,
+			collect: c.collectInstance,
+			close:   c.closeInstance,
+		},
 		subCollectorLocks: {
 			build:   c.buildLocks,
 			collect: c.collectLocks,
@@ -272,14 +254,6 @@ func (c *Collector) Build(logger *slog.Logger, _ *mi.Session) error {
 		c.closeFns = append(c.closeFns, subCollectors[name].close)
 	}
 
-	// meta
-	c.mssqlInfoDesc = prometheus.NewDesc(
-		prometheus.BuildFQName(types.Namespace, Name, "info"),
-		"mssql server information",
-		[]string{"file_version", "version"},
-		nil,
-	)
-
 	c.mssqlScrapeDurationDesc = prometheus.NewDesc(
 		prometheus.BuildFQName(types.Namespace, Name, "collector_duration_seconds"),
 		"windows_exporter: Duration of an mssql child collection.",
@@ -299,6 +273,10 @@ func (c *Collector) Build(logger *slog.Logger, _ *mi.Session) error {
 // Collect sends the metric values for each metric
 // to the provided prometheus Metric channel.
 func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
+	if len(c.mssqlInstances) == 0 {
+		return fmt.Errorf("no SQL instances found: %w", pdh.ErrNoData)
+	}
+
 	errCh := make(chan error, len(c.collectorFns))
 	errs := make([]error, 0, len(c.collectorFns))
 
@@ -326,22 +304,12 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 	return errors.Join(errs...)
 }
 
-func (c *Collector) getMSSQLInstances() mssqlInstancesType {
-	sqlInstances := make(mssqlInstancesType)
-
-	// in case querying the registry fails, return the default instance
-	sqlDefaultInstance := make(mssqlInstancesType)
-	sqlDefaultInstance["MSSQLSERVER"] = ""
-
+func (c *Collector) getMSSQLInstances() ([]mssqlInstance, error) {
 	regKey := `Software\Microsoft\Microsoft SQL Server\Instance Names\SQL`
 
 	k, err := registry.OpenKey(registry.LOCAL_MACHINE, regKey, registry.QUERY_VALUE)
 	if err != nil {
-		c.logger.Warn("couldn't open registry to determine SQL instances",
-			slog.Any("err", err),
-		)
-
-		return sqlDefaultInstance
+		return nil, fmt.Errorf("couldn't open registry to determine SQL instances: %w", err)
 	}
 
 	defer func(key registry.Key) {
@@ -354,22 +322,28 @@ func (c *Collector) getMSSQLInstances() mssqlInstancesType {
 
 	instanceNames, err := k.ReadValueNames(0)
 	if err != nil {
-		c.logger.Warn("can't ReadSubKeyNames",
-			slog.Any("err", err),
-		)
-
-		return sqlDefaultInstance
+		return nil, fmt.Errorf("couldn't read subkey names: %w", err)
 	}
 
+	sqlInstances := make([]mssqlInstance, 0, len(instanceNames))
+
 	for _, instanceName := range instanceNames {
-		if instanceVersion, _, err := k.GetStringValue(instanceName); err == nil {
-			sqlInstances[instanceName] = instanceVersion
+		instanceVersion, _, err := k.GetStringValue(instanceName)
+		if err != nil {
+			return nil, fmt.Errorf("couldn't get instance info: %w", err)
 		}
+
+		instance, err := newMssqlInstance(instanceVersion)
+		if err != nil {
+			return nil, err
+		}
+
+		sqlInstances = append(sqlInstances, instance)
 	}
 
 	c.logger.Debug(fmt.Sprintf("detected MSSQL Instances: %#v\n", sqlInstances))
 
-	return sqlInstances
+	return sqlInstances, nil
 }
 
 // mssqlGetPerfObjectName returns the name of the Windows Performance
@@ -395,26 +369,32 @@ func (c *Collector) mssqlGetPerfObjectName(sqlInstance string, collector string)
 func (c *Collector) collect(
 	ch chan<- prometheus.Metric,
 	collector string,
-	perfDataCollectors map[string]*perfdata.Collector,
-	collectFn func(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error,
+	perfDataCollectors map[string]*pdh.Collector,
+	collectFn func(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error,
 ) error {
 	errs := make([]error, 0, len(perfDataCollectors))
 
+	ctx := context.Background()
+
 	for sqlInstance, perfDataCollector := range perfDataCollectors {
 		begin := time.Now()
 		success := 1.0
 		err := collectFn(ch, sqlInstance, perfDataCollector)
 		duration := time.Since(begin)
 
-		if err != nil && !errors.Is(err, perfdata.ErrNoData) {
+		if err != nil && !errors.Is(err, pdh.ErrNoData) {
 			errs = append(errs, err)
 			success = 0.0
 
-			c.logger.Debug(fmt.Sprintf("mssql class collector %s for instance %s failed after %s", collector, sqlInstance, duration),
+			c.logger.LogAttrs(ctx, slog.LevelDebug, fmt.Sprintf("mssql class collector %s for instance %s failed after %s", collector, sqlInstance, duration),
 				slog.Any("err", err),
 			)
 		} else {
-			c.logger.Debug(fmt.Sprintf("mssql class collector %s for instance %s succeeded after %s.", collector, sqlInstance, duration))
+			c.logger.LogAttrs(ctx, slog.LevelDebug, fmt.Sprintf("mssql class collector %s for instance %s succeeded after %s", collector, sqlInstance, duration))
+		}
+
+		if collector == "" {
+			continue
 		}
 
 		ch <- prometheus.MustNewConstMetric(
@@ -433,68 +413,3 @@ func (c *Collector) collect(
 
 	return errors.Join(errs...)
 }
-
-// getMSSQLServerVersion get the version of the SQL Server instance by
-// reading the version information from the process running the SQL Server instance port.
-func (c *Collector) getMSSQLServerVersion(port uint16) (string, string, error) {
-	pid, err := iphlpapi.GetOwnerPIDOfTCPPort(windows.AF_INET, port)
-	if err != nil {
-		return "", "", fmt.Errorf("failed to get the PID of the process running on port 1433: %w", err)
-	}
-
-	hProcess, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, pid)
-	if err != nil {
-		return "", "", fmt.Errorf("failed to open the process with PID %d: %w", pid, err)
-	}
-
-	defer windows.CloseHandle(hProcess) //nolint:errcheck
-
-	processFilePath, err := process.QueryFullProcessImageName(hProcess, process.ImageNameFormatWin32Path)
-	if err != nil {
-		return "", "", fmt.Errorf("failed to query the full path of the process with PID %d: %w", pid, err)
-	}
-
-	// Load the file version information
-	size, err := windows.GetFileVersionInfoSize(processFilePath, nil)
-	if err != nil {
-		return "", "", fmt.Errorf("failed to get the size of the file version information: %w", err)
-	}
-
-	fileVersionInfo := make([]byte, size)
-
-	err = windows.GetFileVersionInfo(processFilePath, 0, size, unsafe.Pointer(&fileVersionInfo[0]))
-	if err != nil {
-		return "", "", fmt.Errorf("failed to get the file version information: %w", err)
-	}
-
-	var (
-		verData *byte
-		verSize uint32
-	)
-
-	err = windows.VerQueryValue(
-		unsafe.Pointer(&fileVersionInfo[0]),
-		`\StringFileInfo\040904b0\ProductVersion`,
-		unsafe.Pointer(&verData),
-		&verSize,
-	)
-	if err != nil {
-		return "", "", fmt.Errorf("failed to query the product version: %w", err)
-	}
-
-	productVersion := windows.UTF16ToString((*[1 << 16]uint16)(unsafe.Pointer(verData))[:verSize])
-
-	err = windows.VerQueryValue(
-		unsafe.Pointer(&fileVersionInfo[0]),
-		`\StringFileInfo\040904b0\FileVersion`,
-		unsafe.Pointer(&verData),
-		&verSize,
-	)
-	if err != nil {
-		return "", "", fmt.Errorf("failed to query the file version: %w", err)
-	}
-
-	fileVersion := windows.UTF16ToString((*[1 << 16]uint16)(unsafe.Pointer(verData))[:verSize])
-
-	return fileVersion, productVersion, nil
-}

internal/collector/mssql/mssql_access_methods.go

@@ -19,13 +19,14 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorAccessMethods struct {
-	accessMethodsPerfDataCollectors map[string]*perfdata.Collector
+	accessMethodsPerfDataCollectors map[string]*pdh.Collector
+	accessMethodsPerfDataObject     []perfDataCounterValuesAccessMethods
 
 	accessMethodsAUcleanupbatches             *prometheus.Desc
 	accessMethodsAUcleanups                   *prometheus.Desc
@@ -73,109 +74,65 @@ type collectorAccessMethods struct {
 	accessMethodsWorktablesFromCacheLookups   *prometheus.Desc
 }
 
-const (
-	accessMethodsAUCleanupbatchesPerSec        = "AU cleanup batches/sec"
-	accessMethodsAUCleanupsPerSec              = "AU cleanups/sec"
-	accessMethodsByReferenceLobCreateCount     = "By-reference Lob Create Count"
-	accessMethodsByReferenceLobUseCount        = "By-reference Lob Use Count"
-	accessMethodsCountLobReadahead             = "Count Lob Readahead"
-	accessMethodsCountPullInRow                = "Count Pull In Row"
-	accessMethodsCountPushOffRow               = "Count Push Off Row"
-	accessMethodsDeferredDroppedAUs            = "Deferred dropped AUs"
-	accessMethodsDeferredDroppedRowsets        = "Deferred Dropped rowsets"
-	accessMethodsDroppedRowsetCleanupsPerSec   = "Dropped rowset cleanups/sec"
-	accessMethodsDroppedRowsetsSkippedPerSec   = "Dropped rowsets skipped/sec"
-	accessMethodsExtentDeallocationsPerSec     = "Extent Deallocations/sec"
-	accessMethodsExtentsAllocatedPerSec        = "Extents Allocated/sec"
-	accessMethodsFailedAUCleanupBatchesPerSec  = "Failed AU cleanup batches/sec"
-	accessMethodsFailedLeafPageCookie          = "Failed leaf page cookie"
-	accessMethodsFailedTreePageCookie          = "Failed tree page cookie"
-	accessMethodsForwardedRecordsPerSec        = "Forwarded Records/sec"
-	accessMethodsFreeSpacePageFetchesPerSec    = "FreeSpace Page Fetches/sec"
-	accessMethodsFreeSpaceScansPerSec          = "FreeSpace Scans/sec"
-	accessMethodsFullScansPerSec               = "Full Scans/sec"
-	accessMethodsIndexSearchesPerSec           = "Index Searches/sec"
-	accessMethodsInSysXactWaitsPerSec          = "InSysXact waits/sec"
-	accessMethodsLobHandleCreateCount          = "LobHandle Create Count"
-	accessMethodsLobHandleDestroyCount         = "LobHandle Destroy Count"
-	accessMethodsLobSSProviderCreateCount      = "LobSS Provider Create Count"
-	accessMethodsLobSSProviderDestroyCount     = "LobSS Provider Destroy Count"
-	accessMethodsLobSSProviderTruncationCount  = "LobSS Provider Truncation Count"
-	accessMethodsMixedPageAllocationsPerSec    = "Mixed page allocations/sec"
-	accessMethodsPageCompressionAttemptsPerSec = "Page compression attempts/sec"
-	accessMethodsPageDeallocationsPerSec       = "Page Deallocations/sec"
-	accessMethodsPagesAllocatedPerSec          = "Pages Allocated/sec"
-	accessMethodsPagesCompressedPerSec         = "Pages compressed/sec"
-	accessMethodsPageSplitsPerSec              = "Page Splits/sec"
-	accessMethodsProbeScansPerSec              = "Probe Scans/sec"
-	accessMethodsRangeScansPerSec              = "Range Scans/sec"
-	accessMethodsScanPointRevalidationsPerSec  = "Scan Point Revalidations/sec"
-	accessMethodsSkippedGhostedRecordsPerSec   = "Skipped Ghosted Records/sec"
-	accessMethodsTableLockEscalationsPerSec    = "Table Lock Escalations/sec"
-	accessMethodsUsedLeafPageCookie            = "Used leaf page cookie"
-	accessMethodsUsedTreePageCookie            = "Used tree page cookie"
-	accessMethodsWorkfilesCreatedPerSec        = "Workfiles Created/sec"
-	accessMethodsWorktablesCreatedPerSec       = "Worktables Created/sec"
-	accessMethodsWorktablesFromCacheRatio      = "Worktables From Cache Ratio"
-	accessMethodsWorktablesFromCacheRatioBase  = "Worktables From Cache Base"
-)
+type perfDataCounterValuesAccessMethods struct {
+	AccessMethodsAUCleanupbatchesPerSec        float64 `perfdata:"AU cleanup batches/sec"`
+	AccessMethodsAUCleanupsPerSec              float64 `perfdata:"AU cleanups/sec"`
+	AccessMethodsByReferenceLobCreateCount     float64 `perfdata:"By-reference Lob Create Count"`
+	AccessMethodsByReferenceLobUseCount        float64 `perfdata:"By-reference Lob Use Count"`
+	AccessMethodsCountLobReadahead             float64 `perfdata:"Count Lob Readahead"`
+	AccessMethodsCountPullInRow                float64 `perfdata:"Count Pull In Row"`
+	AccessMethodsCountPushOffRow               float64 `perfdata:"Count Push Off Row"`
+	AccessMethodsDeferredDroppedAUs            float64 `perfdata:"Deferred dropped AUs"`
+	AccessMethodsDeferredDroppedRowsets        float64 `perfdata:"Deferred Dropped rowsets"`
+	AccessMethodsDroppedRowsetCleanupsPerSec   float64 `perfdata:"Dropped rowset cleanups/sec"`
+	AccessMethodsDroppedRowsetsSkippedPerSec   float64 `perfdata:"Dropped rowsets skipped/sec"`
+	AccessMethodsExtentDeallocationsPerSec     float64 `perfdata:"Extent Deallocations/sec"`
+	AccessMethodsExtentsAllocatedPerSec        float64 `perfdata:"Extents Allocated/sec"`
+	AccessMethodsFailedAUCleanupBatchesPerSec  float64 `perfdata:"Failed AU cleanup batches/sec"`
+	AccessMethodsFailedLeafPageCookie          float64 `perfdata:"Failed leaf page cookie"`
+	AccessMethodsFailedTreePageCookie          float64 `perfdata:"Failed tree page cookie"`
+	AccessMethodsForwardedRecordsPerSec        float64 `perfdata:"Forwarded Records/sec"`
+	AccessMethodsFreeSpacePageFetchesPerSec    float64 `perfdata:"FreeSpace Page Fetches/sec"`
+	AccessMethodsFreeSpaceScansPerSec          float64 `perfdata:"FreeSpace Scans/sec"`
+	AccessMethodsFullScansPerSec               float64 `perfdata:"Full Scans/sec"`
+	AccessMethodsIndexSearchesPerSec           float64 `perfdata:"Index Searches/sec"`
+	AccessMethodsInSysXactWaitsPerSec          float64 `perfdata:"InSysXact waits/sec"`
+	AccessMethodsLobHandleCreateCount          float64 `perfdata:"LobHandle Create Count"`
+	AccessMethodsLobHandleDestroyCount         float64 `perfdata:"LobHandle Destroy Count"`
+	AccessMethodsLobSSProviderCreateCount      float64 `perfdata:"LobSS Provider Create Count"`
+	AccessMethodsLobSSProviderDestroyCount     float64 `perfdata:"LobSS Provider Destroy Count"`
+	AccessMethodsLobSSProviderTruncationCount  float64 `perfdata:"LobSS Provider Truncation Count"`
+	AccessMethodsMixedPageAllocationsPerSec    float64 `perfdata:"Mixed page allocations/sec"`
+	AccessMethodsPageCompressionAttemptsPerSec float64 `perfdata:"Page compression attempts/sec"`
+	AccessMethodsPageDeallocationsPerSec       float64 `perfdata:"Page Deallocations/sec"`
+	AccessMethodsPagesAllocatedPerSec          float64 `perfdata:"Pages Allocated/sec"`
+	AccessMethodsPagesCompressedPerSec         float64 `perfdata:"Pages compressed/sec"`
+	AccessMethodsPageSplitsPerSec              float64 `perfdata:"Page Splits/sec"`
+	AccessMethodsProbeScansPerSec              float64 `perfdata:"Probe Scans/sec"`
+	AccessMethodsRangeScansPerSec              float64 `perfdata:"Range Scans/sec"`
+	AccessMethodsScanPointRevalidationsPerSec  float64 `perfdata:"Scan Point Revalidations/sec"`
+	AccessMethodsSkippedGhostedRecordsPerSec   float64 `perfdata:"Skipped Ghosted Records/sec"`
+	AccessMethodsTableLockEscalationsPerSec    float64 `perfdata:"Table Lock Escalations/sec"`
+	AccessMethodsUsedLeafPageCookie            float64 `perfdata:"Used leaf page cookie"`
+	AccessMethodsUsedTreePageCookie            float64 `perfdata:"Used tree page cookie"`
+	AccessMethodsWorkfilesCreatedPerSec        float64 `perfdata:"Workfiles Created/sec"`
+	AccessMethodsWorktablesCreatedPerSec       float64 `perfdata:"Worktables Created/sec"`
+	AccessMethodsWorktablesFromCacheRatio      float64 `perfdata:"Worktables From Cache Ratio"`
+	AccessMethodsWorktablesFromCacheRatioBase  float64 `perfdata:"Worktables From Cache Base,secondvalue"`
+}
 
 func (c *Collector) buildAccessMethods() error {
 	var err error
 
-	c.accessMethodsPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
+	c.accessMethodsPerfDataCollectors = make(map[string]*pdh.Collector, len(c.mssqlInstances))
 	errs := make([]error, 0, len(c.mssqlInstances))
-	counters := []string{
-		accessMethodsAUCleanupbatchesPerSec,
-		accessMethodsAUCleanupsPerSec,
-		accessMethodsByReferenceLobCreateCount,
-		accessMethodsByReferenceLobUseCount,
-		accessMethodsCountLobReadahead,
-		accessMethodsCountPullInRow,
-		accessMethodsCountPushOffRow,
-		accessMethodsDeferredDroppedAUs,
-		accessMethodsDeferredDroppedRowsets,
-		accessMethodsDroppedRowsetCleanupsPerSec,
-		accessMethodsDroppedRowsetsSkippedPerSec,
-		accessMethodsExtentDeallocationsPerSec,
-		accessMethodsExtentsAllocatedPerSec,
-		accessMethodsFailedAUCleanupBatchesPerSec,
-		accessMethodsFailedLeafPageCookie,
-		accessMethodsFailedTreePageCookie,
-		accessMethodsForwardedRecordsPerSec,
-		accessMethodsFreeSpacePageFetchesPerSec,
-		accessMethodsFreeSpaceScansPerSec,
-		accessMethodsFullScansPerSec,
-		accessMethodsIndexSearchesPerSec,
-		accessMethodsInSysXactWaitsPerSec,
-		accessMethodsLobHandleCreateCount,
-		accessMethodsLobHandleDestroyCount,
-		accessMethodsLobSSProviderCreateCount,
-		accessMethodsLobSSProviderDestroyCount,
-		accessMethodsLobSSProviderTruncationCount,
-		accessMethodsMixedPageAllocationsPerSec,
-		accessMethodsPageCompressionAttemptsPerSec,
-		accessMethodsPageDeallocationsPerSec,
-		accessMethodsPagesAllocatedPerSec,
-		accessMethodsPagesCompressedPerSec,
-		accessMethodsPageSplitsPerSec,
-		accessMethodsProbeScansPerSec,
-		accessMethodsRangeScansPerSec,
-		accessMethodsScanPointRevalidationsPerSec,
-		accessMethodsSkippedGhostedRecordsPerSec,
-		accessMethodsTableLockEscalationsPerSec,
-		accessMethodsUsedLeafPageCookie,
-		accessMethodsUsedTreePageCookie,
-		accessMethodsWorkfilesCreatedPerSec,
-		accessMethodsWorktablesCreatedPerSec,
-		accessMethodsWorktablesFromCacheRatio,
-		accessMethodsWorktablesFromCacheRatioBase,
-	}
 
-	for sqlInstance := range c.mssqlInstances {
-		c.accessMethodsPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "Access Methods"), nil, counters)
+	for _, sqlInstance := range c.mssqlInstances {
+		c.accessMethodsPerfDataCollectors[sqlInstance.name], err = pdh.NewCollector[perfDataCounterValuesAccessMethods](
+			c.mssqlGetPerfObjectName(sqlInstance.name, "Access Methods"), nil,
+		)
 		if err != nil {
-			errs = append(errs, fmt.Errorf("failed to create AccessMethods collector for instance %s: %w", sqlInstance, err))
+			errs = append(errs, fmt.Errorf("failed to create AccessMethods collector for instance %s: %w", sqlInstance.name, err))
 		}
 	}
 
@@ -452,326 +409,317 @@ func (c *Collector) collectAccessMethods(ch chan<- prometheus.Metric) error {
 	return c.collect(ch, subCollectorAccessMethods, c.accessMethodsPerfDataCollectors, c.collectAccessMethodsInstance)
 }
 
-func (c *Collector) collectAccessMethodsInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error {
-	if perfDataCollector == nil {
-		return types.ErrCollectorNotInitialized
-	}
-
-	perfData, err := perfDataCollector.Collect()
+func (c *Collector) collectAccessMethodsInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error {
+	err := perfDataCollector.Collect(&c.accessMethodsPerfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "AccessMethods"), err)
 	}
 
-	data, ok := perfData[perfdata.InstanceEmpty]
-	if !ok {
-		return fmt.Errorf("perflib query for %s returned empty result set", c.mssqlGetPerfObjectName(sqlInstance, "AccessMethods"))
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsAUcleanupbatches,
 		prometheus.CounterValue,
-		data[accessMethodsAUCleanupbatchesPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsAUCleanupbatchesPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsAUcleanups,
 		prometheus.CounterValue,
-		data[accessMethodsAUCleanupsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsAUCleanupsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsByReferenceLobCreateCount,
 		prometheus.CounterValue,
-		data[accessMethodsByReferenceLobCreateCount].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsByReferenceLobCreateCount,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsByReferenceLobUseCount,
 		prometheus.CounterValue,
-		data[accessMethodsByReferenceLobUseCount].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsByReferenceLobUseCount,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsCountLobReadahead,
 		prometheus.CounterValue,
-		data[accessMethodsCountLobReadahead].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsCountLobReadahead,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsCountPullInRow,
 		prometheus.CounterValue,
-		data[accessMethodsCountPullInRow].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsCountPullInRow,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsCountPushOffRow,
 		prometheus.CounterValue,
-		data[accessMethodsCountPushOffRow].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsCountPushOffRow,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsDeferreddroppedAUs,
 		prometheus.GaugeValue,
-		data[accessMethodsDeferredDroppedAUs].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsDeferredDroppedAUs,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsDeferredDroppedrowsets,
 		prometheus.GaugeValue,
-		data[accessMethodsDeferredDroppedRowsets].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsDeferredDroppedRowsets,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsDroppedrowsetcleanups,
 		prometheus.CounterValue,
-		data[accessMethodsDroppedRowsetCleanupsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsDroppedRowsetCleanupsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsDroppedrowsetsskipped,
 		prometheus.CounterValue,
-		data[accessMethodsDroppedRowsetsSkippedPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsDroppedRowsetsSkippedPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsExtentDeallocations,
 		prometheus.CounterValue,
-		data[accessMethodsExtentDeallocationsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsExtentDeallocationsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsExtentsAllocated,
 		prometheus.CounterValue,
-		data[accessMethodsExtentsAllocatedPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsExtentsAllocatedPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsFailedAUcleanupbatches,
 		prometheus.CounterValue,
-		data[accessMethodsFailedAUCleanupBatchesPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsFailedAUCleanupBatchesPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsFailedleafpagecookie,
 		prometheus.CounterValue,
-		data[accessMethodsFailedLeafPageCookie].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsFailedLeafPageCookie,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsFailedtreepagecookie,
 		prometheus.CounterValue,
-		data[accessMethodsFailedTreePageCookie].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsFailedTreePageCookie,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsForwardedRecords,
 		prometheus.CounterValue,
-		data[accessMethodsForwardedRecordsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsForwardedRecordsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsFreeSpacePageFetches,
 		prometheus.CounterValue,
-		data[accessMethodsFreeSpacePageFetchesPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsFreeSpacePageFetchesPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsFreeSpaceScans,
 		prometheus.CounterValue,
-		data[accessMethodsFreeSpaceScansPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsFreeSpaceScansPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsFullScans,
 		prometheus.CounterValue,
-		data[accessMethodsFullScansPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsFullScansPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsIndexSearches,
 		prometheus.CounterValue,
-		data[accessMethodsIndexSearchesPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsIndexSearchesPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsInSysXactwaits,
 		prometheus.CounterValue,
-		data[accessMethodsInSysXactWaitsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsInSysXactWaitsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsLobHandleCreateCount,
 		prometheus.CounterValue,
-		data[accessMethodsLobHandleCreateCount].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsLobHandleCreateCount,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsLobHandleDestroyCount,
 		prometheus.CounterValue,
-		data[accessMethodsLobHandleDestroyCount].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsLobHandleDestroyCount,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsLobSSProviderCreateCount,
 		prometheus.CounterValue,
-		data[accessMethodsLobSSProviderCreateCount].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsLobSSProviderCreateCount,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsLobSSProviderDestroyCount,
 		prometheus.CounterValue,
-		data[accessMethodsLobSSProviderDestroyCount].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsLobSSProviderDestroyCount,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsLobSSProviderTruncationCount,
 		prometheus.CounterValue,
-		data[accessMethodsLobSSProviderTruncationCount].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsLobSSProviderTruncationCount,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsMixedPageAllocations,
 		prometheus.CounterValue,
-		data[accessMethodsMixedPageAllocationsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsMixedPageAllocationsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsPageCompressionAttempts,
 		prometheus.CounterValue,
-		data[accessMethodsPageCompressionAttemptsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsPageCompressionAttemptsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsPageDeallocations,
 		prometheus.CounterValue,
-		data[accessMethodsPageDeallocationsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsPageDeallocationsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsPagesAllocated,
 		prometheus.CounterValue,
-		data[accessMethodsPagesAllocatedPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsPagesAllocatedPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsPagesCompressed,
 		prometheus.CounterValue,
-		data[accessMethodsPagesCompressedPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsPagesCompressedPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsPageSplits,
 		prometheus.CounterValue,
-		data[accessMethodsPageSplitsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsPageSplitsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsProbeScans,
 		prometheus.CounterValue,
-		data[accessMethodsProbeScansPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsProbeScansPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsRangeScans,
 		prometheus.CounterValue,
-		data[accessMethodsRangeScansPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsRangeScansPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsScanPointRevalidations,
 		prometheus.CounterValue,
-		data[accessMethodsScanPointRevalidationsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsScanPointRevalidationsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsSkippedGhostedRecords,
 		prometheus.CounterValue,
-		data[accessMethodsSkippedGhostedRecordsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsSkippedGhostedRecordsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsTableLockEscalations,
 		prometheus.CounterValue,
-		data[accessMethodsTableLockEscalationsPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsTableLockEscalationsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsUsedleafpagecookie,
 		prometheus.CounterValue,
-		data[accessMethodsUsedLeafPageCookie].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsUsedLeafPageCookie,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsUsedtreepagecookie,
 		prometheus.CounterValue,
-		data[accessMethodsUsedTreePageCookie].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsUsedTreePageCookie,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsWorkfilesCreated,
 		prometheus.CounterValue,
-		data[accessMethodsWorkfilesCreatedPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsWorkfilesCreatedPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsWorktablesCreated,
 		prometheus.CounterValue,
-		data[accessMethodsWorktablesCreatedPerSec].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsWorktablesCreatedPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsWorktablesFromCacheHits,
 		prometheus.CounterValue,
-		data[accessMethodsWorktablesFromCacheRatio].FirstValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsWorktablesFromCacheRatio,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsWorktablesFromCacheLookups,
 		prometheus.CounterValue,
-		data[accessMethodsWorktablesFromCacheRatioBase].SecondValue,
+		c.accessMethodsPerfDataObject[0].AccessMethodsWorktablesFromCacheRatioBase,
 		sqlInstance,
 	)
 

internal/collector/mssql/mssql_availability_replica.go

@@ -19,14 +19,15 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus-community/windows_exporter/internal/utils"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorAvailabilityReplica struct {
-	availabilityReplicaPerfDataCollectors map[string]*perfdata.Collector
+	availabilityReplicaPerfDataCollectors map[string]*pdh.Collector
+	availabilityReplicaPerfDataObject     []perfDataCounterValuesAvailabilityReplica
 
 	availReplicaBytesReceivedFromReplica *prometheus.Desc
 	availReplicaBytesSentToReplica       *prometheus.Desc
@@ -39,39 +40,32 @@ type collectorAvailabilityReplica struct {
 	availReplicaSendsToTransport         *prometheus.Desc
 }
 
-const (
-	availReplicaBytesReceivedFromReplicaPerSec = "Bytes Received from Replica/sec"
-	availReplicaBytesSentToReplicaPerSec       = "Bytes Sent to Replica/sec"
-	availReplicaBytesSentToTransportPerSec     = "Bytes Sent to Transport/sec"
-	availReplicaFlowControlPerSec              = "Flow Control/sec"
-	availReplicaFlowControlTimeMSPerSec        = "Flow Control Time (ms/sec)"
-	availReplicaReceivesFromReplicaPerSec      = "Receives from Replica/sec"
-	availReplicaResentMessagesPerSec           = "Resent Messages/sec"
-	availReplicaSendsToReplicaPerSec           = "Sends to Replica/sec"
-	availReplicaSendsToTransportPerSec         = "Sends to Transport/sec"
-)
+type perfDataCounterValuesAvailabilityReplica struct {
+	Name string
+
+	AvailReplicaBytesReceivedFromReplicaPerSec float64 `perfdata:"Bytes Received from Replica/sec"`
+	AvailReplicaBytesSentToReplicaPerSec       float64 `perfdata:"Bytes Sent to Replica/sec"`
+	AvailReplicaBytesSentToTransportPerSec     float64 `perfdata:"Bytes Sent to Transport/sec"`
+	AvailReplicaFlowControlPerSec              float64 `perfdata:"Flow Control/sec"`
+	AvailReplicaFlowControlTimeMSPerSec        float64 `perfdata:"Flow Control Time (ms/sec)"`
+	AvailReplicaReceivesFromReplicaPerSec      float64 `perfdata:"Receives from Replica/sec"`
+	AvailReplicaResentMessagesPerSec           float64 `perfdata:"Resent Messages/sec"`
+	AvailReplicaSendsToReplicaPerSec           float64 `perfdata:"Sends to Replica/sec"`
+	AvailReplicaSendsToTransportPerSec         float64 `perfdata:"Sends to Transport/sec"`
+}
 
 func (c *Collector) buildAvailabilityReplica() error {
 	var err error
 
-	c.availabilityReplicaPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
+	c.availabilityReplicaPerfDataCollectors = make(map[string]*pdh.Collector, len(c.mssqlInstances))
 	errs := make([]error, 0, len(c.mssqlInstances))
-	counters := []string{
-		availReplicaBytesReceivedFromReplicaPerSec,
-		availReplicaBytesSentToReplicaPerSec,
-		availReplicaBytesSentToTransportPerSec,
-		availReplicaFlowControlPerSec,
-		availReplicaFlowControlTimeMSPerSec,
-		availReplicaReceivesFromReplicaPerSec,
-		availReplicaResentMessagesPerSec,
-		availReplicaSendsToReplicaPerSec,
-		availReplicaSendsToTransportPerSec,
-	}
 
-	for sqlInstance := range c.mssqlInstances {
-		c.availabilityReplicaPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "Availability Replica"), perfdata.InstancesAll, counters)
+	for _, sqlInstance := range c.mssqlInstances {
+		c.availabilityReplicaPerfDataCollectors[sqlInstance.name], err = pdh.NewCollector[perfDataCounterValuesAvailabilityReplica](
+			c.mssqlGetPerfObjectName(sqlInstance.name, "Availability Replica"), pdh.InstancesAll,
+		)
 		if err != nil {
-			errs = append(errs, fmt.Errorf("failed to create Availability Replica collector for instance %s: %w", sqlInstance, err))
+			errs = append(errs, fmt.Errorf("failed to create Availability Replica collector for instance %s: %w", sqlInstance.name, err))
 		}
 	}
 
@@ -138,78 +132,74 @@ func (c *Collector) collectAvailabilityReplica(ch chan<- prometheus.Metric) erro
 	return c.collect(ch, subCollectorAvailabilityReplica, c.availabilityReplicaPerfDataCollectors, c.collectAvailabilityReplicaInstance)
 }
 
-func (c *Collector) collectAvailabilityReplicaInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error {
-	if perfDataCollector == nil {
-		return types.ErrCollectorNotInitialized
-	}
-
-	perfData, err := perfDataCollector.Collect()
+func (c *Collector) collectAvailabilityReplicaInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error {
+	err := perfDataCollector.Collect(&c.availabilityReplicaPerfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "Availability Replica"), err)
 	}
 
-	for replicaName, data := range perfData {
+	for _, data := range c.availabilityReplicaPerfDataObject {
 		ch <- prometheus.MustNewConstMetric(
 			c.availReplicaBytesReceivedFromReplica,
 			prometheus.CounterValue,
-			data[availReplicaBytesReceivedFromReplicaPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.AvailReplicaBytesReceivedFromReplicaPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.availReplicaBytesSentToReplica,
 			prometheus.CounterValue,
-			data[availReplicaBytesSentToReplicaPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.AvailReplicaBytesSentToReplicaPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.availReplicaBytesSentToTransport,
 			prometheus.CounterValue,
-			data[availReplicaBytesSentToTransportPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.AvailReplicaBytesSentToTransportPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.availReplicaFlowControl,
 			prometheus.CounterValue,
-			data[availReplicaFlowControlPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.AvailReplicaFlowControlPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.availReplicaFlowControlTimeMS,
 			prometheus.CounterValue,
-			utils.MilliSecToSec(data[availReplicaFlowControlTimeMSPerSec].FirstValue),
-			sqlInstance, replicaName,
+			utils.MilliSecToSec(data.AvailReplicaFlowControlTimeMSPerSec),
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.availReplicaReceivesFromReplica,
 			prometheus.CounterValue,
-			data[availReplicaReceivesFromReplicaPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.AvailReplicaReceivesFromReplicaPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.availReplicaResentMessages,
 			prometheus.CounterValue,
-			data[availReplicaResentMessagesPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.AvailReplicaResentMessagesPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.availReplicaSendsToReplica,
 			prometheus.CounterValue,
-			data[availReplicaSendsToReplicaPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.AvailReplicaSendsToReplicaPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.availReplicaSendsToTransport,
 			prometheus.CounterValue,
-			data[availReplicaSendsToTransportPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.AvailReplicaSendsToTransportPerSec,
+			sqlInstance, data.Name,
 		)
 	}
 

internal/collector/mssql/mssql_buffer_manager.go

@@ -19,13 +19,14 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorBufferManager struct {
-	bufManPerfDataCollectors map[string]*perfdata.Collector
+	bufManPerfDataCollectors map[string]*pdh.Collector
+	bufManPerfDataObject     []perfDataCounterValuesBufMan
 
 	bufManBackgroundwriterpages         *prometheus.Desc
 	bufManBuffercachehits               *prometheus.Desc
@@ -52,67 +53,44 @@ type collectorBufferManager struct {
 	bufManTargetpages                   *prometheus.Desc
 }
 
-const (
-	bufManBackgroundWriterPagesPerSec   = "Background writer pages/sec"
-	bufManBufferCacheHitRatio           = "Buffer cache hit ratio"
-	bufManBufferCacheHitRatioBase       = "Buffer cache hit ratio base"
-	bufManCheckpointPagesPerSec         = "Checkpoint pages/sec"
-	bufManDatabasePages                 = "Database pages"
-	bufManExtensionAllocatedPages       = "Extension allocated pages"
-	bufManExtensionFreePages            = "Extension free pages"
-	bufManExtensionInUseAsPercentage    = "Extension in use as percentage"
-	bufManExtensionOutstandingIOCounter = "Extension outstanding IO counter"
-	bufManExtensionPageEvictionsPerSec  = "Extension page evictions/sec"
-	bufManExtensionPageReadsPerSec      = "Extension page reads/sec"
-	bufManExtensionPageUnreferencedTime = "Extension page unreferenced time"
-	bufManExtensionPageWritesPerSec     = "Extension page writes/sec"
-	bufManFreeListStallsPerSec          = "Free list stalls/sec"
-	bufManIntegralControllerSlope       = "Integral Controller Slope"
-	bufManLazyWritesPerSec              = "Lazy writes/sec"
-	bufManPageLifeExpectancy            = "Page life expectancy"
-	bufManPageLookupsPerSec             = "Page lookups/sec"
-	bufManPageReadsPerSec               = "Page reads/sec"
-	bufManPageWritesPerSec              = "Page writes/sec"
-	bufManReadaheadPagesPerSec          = "Readahead pages/sec"
-	bufManReadaheadTimePerSec           = "Readahead time/sec"
-	bufManTargetPages                   = "Target pages"
-)
+type perfDataCounterValuesBufMan struct {
+	BufManBackgroundWriterPagesPerSec   float64 `perfdata:"Background writer pages/sec"`
+	BufManBufferCacheHitRatio           float64 `perfdata:"Buffer cache hit ratio"`
+	BufManBufferCacheHitRatioBase       float64 `perfdata:"Buffer cache hit ratio base,secondvalue"`
+	BufManCheckpointPagesPerSec         float64 `perfdata:"Checkpoint pages/sec"`
+	BufManDatabasePages                 float64 `perfdata:"Database pages"`
+	BufManExtensionAllocatedPages       float64 `perfdata:"Extension allocated pages"`
+	BufManExtensionFreePages            float64 `perfdata:"Extension free pages"`
+	BufManExtensionInUseAsPercentage    float64 `perfdata:"Extension in use as percentage"`
+	BufManExtensionOutstandingIOCounter float64 `perfdata:"Extension outstanding IO counter"`
+	BufManExtensionPageEvictionsPerSec  float64 `perfdata:"Extension page evictions/sec"`
+	BufManExtensionPageReadsPerSec      float64 `perfdata:"Extension page reads/sec"`
+	BufManExtensionPageUnreferencedTime float64 `perfdata:"Extension page unreferenced time"`
+	BufManExtensionPageWritesPerSec     float64 `perfdata:"Extension page writes/sec"`
+	BufManFreeListStallsPerSec          float64 `perfdata:"Free list stalls/sec"`
+	BufManIntegralControllerSlope       float64 `perfdata:"Integral Controller Slope"`
+	BufManLazyWritesPerSec              float64 `perfdata:"Lazy writes/sec"`
+	BufManPageLifeExpectancy            float64 `perfdata:"Page life expectancy"`
+	BufManPageLookupsPerSec             float64 `perfdata:"Page lookups/sec"`
+	BufManPageReadsPerSec               float64 `perfdata:"Page reads/sec"`
+	BufManPageWritesPerSec              float64 `perfdata:"Page writes/sec"`
+	BufManReadaheadPagesPerSec          float64 `perfdata:"Readahead pages/sec"`
+	BufManReadaheadTimePerSec           float64 `perfdata:"Readahead time/sec"`
+	BufManTargetPages                   float64 `perfdata:"Target pages"`
+}
 
 func (c *Collector) buildBufferManager() error {
 	var err error
 
-	c.bufManPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
+	c.bufManPerfDataCollectors = make(map[string]*pdh.Collector, len(c.mssqlInstances))
 	errs := make([]error, 0, len(c.mssqlInstances))
-	counters := []string{
-		bufManBackgroundWriterPagesPerSec,
-		bufManBufferCacheHitRatio,
-		bufManBufferCacheHitRatioBase,
-		bufManCheckpointPagesPerSec,
-		bufManDatabasePages,
-		bufManExtensionAllocatedPages,
-		bufManExtensionFreePages,
-		bufManExtensionInUseAsPercentage,
-		bufManExtensionOutstandingIOCounter,
-		bufManExtensionPageEvictionsPerSec,
-		bufManExtensionPageReadsPerSec,
-		bufManExtensionPageUnreferencedTime,
-		bufManExtensionPageWritesPerSec,
-		bufManFreeListStallsPerSec,
-		bufManIntegralControllerSlope,
-		bufManLazyWritesPerSec,
-		bufManPageLifeExpectancy,
-		bufManPageLookupsPerSec,
-		bufManPageReadsPerSec,
-		bufManPageWritesPerSec,
-		bufManReadaheadPagesPerSec,
-		bufManReadaheadTimePerSec,
-		bufManTargetPages,
-	}
 
-	for sqlInstance := range c.mssqlInstances {
-		c.bufManPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "Buffer Manager"), nil, counters)
+	for _, sqlInstance := range c.mssqlInstances {
+		c.bufManPerfDataCollectors[sqlInstance.name], err = pdh.NewCollector[perfDataCounterValuesBufMan](
+			c.mssqlGetPerfObjectName(sqlInstance.name, "Buffer Manager"), nil,
+		)
 		if err != nil {
-			errs = append(errs, fmt.Errorf("failed to create Buffer Manager collector for instance %s: %w", sqlInstance, err))
+			errs = append(errs, fmt.Errorf("failed to create Buffer Manager collector for instance %s: %w", sqlInstance.name, err))
 		}
 	}
 
@@ -262,175 +240,171 @@ func (c *Collector) collectBufferManager(ch chan<- prometheus.Metric) error {
 	return c.collect(ch, subCollectorBufferManager, c.bufManPerfDataCollectors, c.collectBufferManagerInstance)
 }
 
-func (c *Collector) collectBufferManagerInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error {
-	if perfDataCollector == nil {
-		return types.ErrCollectorNotInitialized
-	}
-
-	perfData, err := perfDataCollector.Collect()
+func (c *Collector) collectBufferManagerInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error {
+	err := perfDataCollector.Collect(&c.bufManPerfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "Buffer Manager"), err)
 	}
 
-	for _, data := range perfData {
+	for _, data := range c.bufManPerfDataObject {
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManBackgroundwriterpages,
 			prometheus.CounterValue,
-			data[bufManBackgroundWriterPagesPerSec].FirstValue,
+			data.BufManBackgroundWriterPagesPerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManBuffercachehits,
 			prometheus.GaugeValue,
-			data[bufManBufferCacheHitRatio].FirstValue,
+			data.BufManBufferCacheHitRatio,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManBuffercachelookups,
 			prometheus.GaugeValue,
-			data[bufManBufferCacheHitRatioBase].SecondValue,
+			data.BufManBufferCacheHitRatioBase,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManCheckpointpages,
 			prometheus.CounterValue,
-			data[bufManCheckpointPagesPerSec].FirstValue,
+			data.BufManCheckpointPagesPerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManDatabasepages,
 			prometheus.GaugeValue,
-			data[bufManDatabasePages].FirstValue,
+			data.BufManDatabasePages,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManExtensionallocatedpages,
 			prometheus.GaugeValue,
-			data[bufManExtensionAllocatedPages].FirstValue,
+			data.BufManExtensionAllocatedPages,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManExtensionfreepages,
 			prometheus.GaugeValue,
-			data[bufManExtensionFreePages].FirstValue,
+			data.BufManExtensionFreePages,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManExtensioninuseaspercentage,
 			prometheus.GaugeValue,
-			data[bufManExtensionInUseAsPercentage].FirstValue,
+			data.BufManExtensionInUseAsPercentage,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManExtensionoutstandingIOcounter,
 			prometheus.GaugeValue,
-			data[bufManExtensionOutstandingIOCounter].FirstValue,
+			data.BufManExtensionOutstandingIOCounter,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManExtensionpageevictions,
 			prometheus.CounterValue,
-			data[bufManExtensionPageEvictionsPerSec].FirstValue,
+			data.BufManExtensionPageEvictionsPerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManExtensionpagereads,
 			prometheus.CounterValue,
-			data[bufManExtensionPageReadsPerSec].FirstValue,
+			data.BufManExtensionPageReadsPerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManExtensionpageunreferencedtime,
 			prometheus.GaugeValue,
-			data[bufManExtensionPageUnreferencedTime].FirstValue,
+			data.BufManExtensionPageUnreferencedTime,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManExtensionpagewrites,
 			prometheus.CounterValue,
-			data[bufManExtensionPageWritesPerSec].FirstValue,
+			data.BufManExtensionPageWritesPerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManFreeliststalls,
 			prometheus.CounterValue,
-			data[bufManFreeListStallsPerSec].FirstValue,
+			data.BufManFreeListStallsPerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManIntegralControllerSlope,
 			prometheus.GaugeValue,
-			data[bufManIntegralControllerSlope].FirstValue,
+			data.BufManIntegralControllerSlope,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManLazywrites,
 			prometheus.CounterValue,
-			data[bufManLazyWritesPerSec].FirstValue,
+			data.BufManLazyWritesPerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManPagelifeexpectancy,
 			prometheus.GaugeValue,
-			data[bufManPageLifeExpectancy].FirstValue,
+			data.BufManPageLifeExpectancy,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManPagelookups,
 			prometheus.CounterValue,
-			data[bufManPageLookupsPerSec].FirstValue,
+			data.BufManPageLookupsPerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManPagereads,
 			prometheus.CounterValue,
-			data[bufManPageReadsPerSec].FirstValue,
+			data.BufManPageReadsPerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManPagewrites,
 			prometheus.CounterValue,
-			data[bufManPageWritesPerSec].FirstValue,
+			data.BufManPageWritesPerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManReadaheadpages,
 			prometheus.CounterValue,
-			data[bufManReadaheadPagesPerSec].FirstValue,
+			data.BufManReadaheadPagesPerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManReadaheadtime,
 			prometheus.CounterValue,
-			data[bufManReadaheadTimePerSec].FirstValue,
+			data.BufManReadaheadTimePerSec,
 			sqlInstance,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManTargetpages,
 			prometheus.GaugeValue,
-			data[bufManTargetPages].FirstValue,
+			data.BufManTargetPages,
 			sqlInstance,
 		)
 	}

internal/collector/mssql/mssql_database.go

@@ -19,13 +19,16 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorDatabases struct {
-	databasesPerfDataCollectors map[string]*perfdata.Collector
+	databasesPerfDataCollectors     map[string]*pdh.Collector
+	databasesPerfDataCollectors2019 map[string]*pdh.Collector
+	databasesPerfDataObject         []perfDataCounterValuesDatabases
+	databasesPerfDataObject2019     []perfDataCounterValuesDatabases2019
 
 	databasesActiveParallelRedoThreads       *prometheus.Desc
 	databasesActiveTransactions              *prometheus.Desc
@@ -77,117 +80,82 @@ type collectorDatabases struct {
 	databasesXTPMemoryUsedKB                 *prometheus.Desc
 }
 
-const (
-	databasesActiveParallelRedoThreads        = "Active parallel redo threads"
-	databasesActiveTransactions               = "Active Transactions"
-	databasesBackupPerRestoreThroughputPerSec = "Backup/Restore Throughput/sec"
-	databasesBulkCopyRowsPerSec               = "Bulk Copy Rows/sec"
-	databasesBulkCopyThroughputPerSec         = "Bulk Copy Throughput/sec"
-	databasesCommitTableEntries               = "Commit table entries"
-	databasesDataFilesSizeKB                  = "Data File(s) Size (KB)"
-	databasesDBCCLogicalScanBytesPerSec       = "DBCC Logical Scan Bytes/sec"
-	databasesGroupCommitTimePerSec            = "Group Commit Time/sec"
-	databasesLogBytesFlushedPerSec            = "Log Bytes Flushed/sec"
-	databasesLogCacheHitRatio                 = "Log Cache Hit Ratio"
-	databasesLogCacheHitRatioBase             = "Log Cache Hit Ratio Base"
-	databasesLogCacheReadsPerSec              = "Log Cache Reads/sec"
-	databasesLogFilesSizeKB                   = "Log File(s) Size (KB)"
-	databasesLogFilesUsedSizeKB               = "Log File(s) Used Size (KB)"
-	databasesLogFlushesPerSec                 = "Log Flushes/sec"
-	databasesLogFlushWaitsPerSec              = "Log Flush Waits/sec"
-	databasesLogFlushWaitTime                 = "Log Flush Wait Time"
-	databasesLogFlushWriteTimeMS              = "Log Flush Write Time (ms)"
-	databasesLogGrowths                       = "Log Growths"
-	databasesLogPoolCacheMissesPerSec         = "Log Pool Cache Misses/sec"
-	databasesLogPoolDiskReadsPerSec           = "Log Pool Disk Reads/sec"
-	databasesLogPoolHashDeletesPerSec         = "Log Pool Hash Deletes/sec"
-	databasesLogPoolHashInsertsPerSec         = "Log Pool Hash Inserts/sec"
-	databasesLogPoolInvalidHashEntryPerSec    = "Log Pool Invalid Hash Entry/sec"
-	databasesLogPoolLogScanPushesPerSec       = "Log Pool Log Scan Pushes/sec"
-	databasesLogPoolLogWriterPushesPerSec     = "Log Pool LogWriter Pushes/sec"
-	databasesLogPoolPushEmptyFreePoolPerSec   = "Log Pool Push Empty FreePool/sec"
-	databasesLogPoolPushLowMemoryPerSec       = "Log Pool Push Low Memory/sec"
-	databasesLogPoolPushNoFreeBufferPerSec    = "Log Pool Push No Free Buffer/sec"
-	databasesLogPoolReqBehindTruncPerSec      = "Log Pool Req. Behind Trunc/sec"
-	databasesLogPoolRequestsOldVLFPerSec      = "Log Pool Requests Old VLF/sec"
-	databasesLogPoolRequestsPerSec            = "Log Pool Requests/sec"
-	databasesLogPoolTotalActiveLogSize        = "Log Pool Total Active Log Size"
-	databasesLogPoolTotalSharedPoolSize       = "Log Pool Total Shared Pool Size"
-	databasesLogShrinks                       = "Log Shrinks"
-	databasesLogTruncations                   = "Log Truncations"
-	databasesPercentLogUsed                   = "Percent Log Used"
-	databasesReplPendingXacts                 = "Repl. Pending Xacts"
-	databasesReplTransRate                    = "Repl. Trans. Rate"
-	databasesShrinkDataMovementBytesPerSec    = "Shrink Data Movement Bytes/sec"
-	databasesTrackedTransactionsPerSec        = "Tracked transactions/sec"
-	databasesTransactionsPerSec               = "Transactions/sec"
-	databasesWriteTransactionsPerSec          = "Write Transactions/sec"
-	databasesXTPControllerDLCLatencyPerFetch  = "XTP Controller DLC Latency/Fetch"
-	databasesXTPControllerDLCPeakLatency      = "XTP Controller DLC Peak Latency"
-	databasesXTPControllerLogProcessedPerSec  = "XTP Controller Log Processed/sec"
-	databasesXTPMemoryUsedKB                  = "XTP Memory Used (KB)"
-)
+type perfDataCounterValuesDatabases struct {
+	Name string
+
+	DatabasesActiveTransactions               float64 `perfdata:"Active Transactions"`
+	DatabasesBackupPerRestoreThroughputPerSec float64 `perfdata:"Backup/Restore Throughput/sec"`
+	DatabasesBulkCopyRowsPerSec               float64 `perfdata:"Bulk Copy Rows/sec"`
+	DatabasesBulkCopyThroughputPerSec         float64 `perfdata:"Bulk Copy Throughput/sec"`
+	DatabasesCommitTableEntries               float64 `perfdata:"Commit table entries"`
+	DatabasesDataFilesSizeKB                  float64 `perfdata:"Data File(s) Size (KB)"`
+	DatabasesDBCCLogicalScanBytesPerSec       float64 `perfdata:"DBCC Logical Scan Bytes/sec"`
+	DatabasesGroupCommitTimePerSec            float64 `perfdata:"Group Commit Time/sec"`
+	DatabasesLogBytesFlushedPerSec            float64 `perfdata:"Log Bytes Flushed/sec"`
+	DatabasesLogCacheHitRatio                 float64 `perfdata:"Log Cache Hit Ratio"`
+	DatabasesLogCacheHitRatioBase             float64 `perfdata:"Log Cache Hit Ratio Base,secondvalue"`
+	DatabasesLogCacheReadsPerSec              float64 `perfdata:"Log Cache Reads/sec"`
+	DatabasesLogFilesSizeKB                   float64 `perfdata:"Log File(s) Size (KB)"`
+	DatabasesLogFilesUsedSizeKB               float64 `perfdata:"Log File(s) Used Size (KB)"`
+	DatabasesLogFlushesPerSec                 float64 `perfdata:"Log Flushes/sec"`
+	DatabasesLogFlushWaitsPerSec              float64 `perfdata:"Log Flush Waits/sec"`
+	DatabasesLogFlushWaitTime                 float64 `perfdata:"Log Flush Wait Time"`
+	DatabasesLogFlushWriteTimeMS              float64 `perfdata:"Log Flush Write Time (ms)"`
+	DatabasesLogGrowths                       float64 `perfdata:"Log Growths"`
+	DatabasesLogPoolCacheMissesPerSec         float64 `perfdata:"Log Pool Cache Misses/sec"`
+	DatabasesLogPoolDiskReadsPerSec           float64 `perfdata:"Log Pool Disk Reads/sec"`
+	DatabasesLogPoolHashDeletesPerSec         float64 `perfdata:"Log Pool Hash Deletes/sec"`
+	DatabasesLogPoolHashInsertsPerSec         float64 `perfdata:"Log Pool Hash Inserts/sec"`
+	DatabasesLogPoolInvalidHashEntryPerSec    float64 `perfdata:"Log Pool Invalid Hash Entry/sec"`
+	DatabasesLogPoolLogScanPushesPerSec       float64 `perfdata:"Log Pool Log Scan Pushes/sec"`
+	DatabasesLogPoolLogWriterPushesPerSec     float64 `perfdata:"Log Pool LogWriter Pushes/sec"`
+	DatabasesLogPoolPushEmptyFreePoolPerSec   float64 `perfdata:"Log Pool Push Empty FreePool/sec"`
+	DatabasesLogPoolPushLowMemoryPerSec       float64 `perfdata:"Log Pool Push Low Memory/sec"`
+	DatabasesLogPoolPushNoFreeBufferPerSec    float64 `perfdata:"Log Pool Push No Free Buffer/sec"`
+	DatabasesLogPoolReqBehindTruncPerSec      float64 `perfdata:"Log Pool Req. Behind Trunc/sec"`
+	DatabasesLogPoolRequestsOldVLFPerSec      float64 `perfdata:"Log Pool Requests Old VLF/sec"`
+	DatabasesLogPoolRequestsPerSec            float64 `perfdata:"Log Pool Requests/sec"`
+	DatabasesLogPoolTotalActiveLogSize        float64 `perfdata:"Log Pool Total Active Log Size"`
+	DatabasesLogPoolTotalSharedPoolSize       float64 `perfdata:"Log Pool Total Shared Pool Size"`
+	DatabasesLogShrinks                       float64 `perfdata:"Log Shrinks"`
+	DatabasesLogTruncations                   float64 `perfdata:"Log Truncations"`
+	DatabasesPercentLogUsed                   float64 `perfdata:"Percent Log Used"`
+	DatabasesReplPendingXacts                 float64 `perfdata:"Repl. Pending Xacts"`
+	DatabasesReplTransRate                    float64 `perfdata:"Repl. Trans. Rate"`
+	DatabasesShrinkDataMovementBytesPerSec    float64 `perfdata:"Shrink Data Movement Bytes/sec"`
+	DatabasesTrackedTransactionsPerSec        float64 `perfdata:"Tracked transactions/sec"`
+	DatabasesTransactionsPerSec               float64 `perfdata:"Transactions/sec"`
+	DatabasesWriteTransactionsPerSec          float64 `perfdata:"Write Transactions/sec"`
+	DatabasesXTPControllerDLCLatencyPerFetch  float64 `perfdata:"XTP Controller DLC Latency/Fetch"`
+	DatabasesXTPControllerDLCPeakLatency      float64 `perfdata:"XTP Controller DLC Peak Latency"`
+	DatabasesXTPControllerLogProcessedPerSec  float64 `perfdata:"XTP Controller Log Processed/sec"`
+	DatabasesXTPMemoryUsedKB                  float64 `perfdata:"XTP Memory Used (KB)"`
+}
+
+type perfDataCounterValuesDatabases2019 struct {
+	Name string
+
+	DatabasesActiveParallelRedoThreads float64 `perfdata:"Active parallel redo threads"`
+}
 
 func (c *Collector) buildDatabases() error {
 	var err error
 
-	c.databasesPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
+	c.databasesPerfDataCollectors = make(map[string]*pdh.Collector, len(c.mssqlInstances))
+	c.databasesPerfDataCollectors2019 = make(map[string]*pdh.Collector, len(c.mssqlInstances))
 	errs := make([]error, 0, len(c.mssqlInstances))
-	counters := []string{
-		databasesActiveParallelRedoThreads,
-		databasesActiveTransactions,
-		databasesBackupPerRestoreThroughputPerSec,
-		databasesBulkCopyRowsPerSec,
-		databasesBulkCopyThroughputPerSec,
-		databasesCommitTableEntries,
-		databasesDataFilesSizeKB,
-		databasesDBCCLogicalScanBytesPerSec,
-		databasesGroupCommitTimePerSec,
-		databasesLogBytesFlushedPerSec,
-		databasesLogCacheHitRatio,
-		databasesLogCacheHitRatioBase,
-		databasesLogCacheReadsPerSec,
-		databasesLogFilesSizeKB,
-		databasesLogFilesUsedSizeKB,
-		databasesLogFlushesPerSec,
-		databasesLogFlushWaitsPerSec,
-		databasesLogFlushWaitTime,
-		databasesLogFlushWriteTimeMS,
-		databasesLogGrowths,
-		databasesLogPoolCacheMissesPerSec,
-		databasesLogPoolDiskReadsPerSec,
-		databasesLogPoolHashDeletesPerSec,
-		databasesLogPoolHashInsertsPerSec,
-		databasesLogPoolInvalidHashEntryPerSec,
-		databasesLogPoolLogScanPushesPerSec,
-		databasesLogPoolLogWriterPushesPerSec,
-		databasesLogPoolPushEmptyFreePoolPerSec,
-		databasesLogPoolPushLowMemoryPerSec,
-		databasesLogPoolPushNoFreeBufferPerSec,
-		databasesLogPoolReqBehindTruncPerSec,
-		databasesLogPoolRequestsOldVLFPerSec,
-		databasesLogPoolRequestsPerSec,
-		databasesLogPoolTotalActiveLogSize,
-		databasesLogPoolTotalSharedPoolSize,
-		databasesLogShrinks,
-		databasesLogTruncations,
-		databasesPercentLogUsed,
-		databasesReplPendingXacts,
-		databasesReplTransRate,
-		databasesShrinkDataMovementBytesPerSec,
-		databasesTrackedTransactionsPerSec,
-		databasesTransactionsPerSec,
-		databasesWriteTransactionsPerSec,
-		databasesXTPControllerDLCLatencyPerFetch,
-		databasesXTPControllerDLCPeakLatency,
-		databasesXTPControllerLogProcessedPerSec,
-		databasesXTPMemoryUsedKB,
-	}
 
-	for sqlInstance := range c.mssqlInstances {
-		c.databasesPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "Databases"), perfdata.InstancesAll, counters)
+	for _, sqlInstance := range c.mssqlInstances {
+		c.databasesPerfDataCollectors[sqlInstance.name], err = pdh.NewCollector[perfDataCounterValuesDatabases](c.mssqlGetPerfObjectName(sqlInstance.name, "Databases"), pdh.InstancesAll)
 		if err != nil {
-			errs = append(errs, fmt.Errorf("failed to create Databases collector for instance %s: %w", sqlInstance, err))
+			errs = append(errs, fmt.Errorf("failed to create Databases collector for instance %s: %w", sqlInstance.name, err))
+		}
+
+		if sqlInstance.isVersionGreaterOrEqualThan(serverVersion2019) {
+			c.databasesPerfDataCollectors2019[sqlInstance.name], err = pdh.NewCollector[perfDataCounterValuesDatabases2019](c.mssqlGetPerfObjectName(sqlInstance.name, "Databases"), pdh.InstancesAll)
+			if err != nil {
+				errs = append(errs, fmt.Errorf("failed to create Databases 2019 collector for instance %s: %w", sqlInstance.name, err))
+			}
 		}
 	}
 
@@ -484,354 +452,364 @@ func (c *Collector) buildDatabases() error {
 }
 
 func (c *Collector) collectDatabases(ch chan<- prometheus.Metric) error {
-	return c.collect(ch, subCollectorDatabases, c.databasesPerfDataCollectors, c.collectDatabasesInstance)
+	return errors.Join(
+		c.collect(ch, subCollectorDatabases, c.databasesPerfDataCollectors, c.collectDatabasesInstance),
+		c.collect(ch, "", c.databasesPerfDataCollectors2019, c.collectDatabasesInstance2019),
+	)
 }
 
-func (c *Collector) collectDatabasesInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error {
-	if perfDataCollector == nil {
-		return types.ErrCollectorNotInitialized
-	}
-
-	perfData, err := perfDataCollector.Collect()
+func (c *Collector) collectDatabasesInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error {
+	err := perfDataCollector.Collect(&c.databasesPerfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "Databases"), err)
 	}
 
-	for dbName, data := range perfData {
-		ch <- prometheus.MustNewConstMetric(
-			c.databasesActiveParallelRedoThreads,
-			prometheus.GaugeValue,
-			data[databasesActiveParallelRedoThreads].FirstValue,
-			sqlInstance, dbName,
-		)
-
+	for _, data := range c.databasesPerfDataObject {
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesActiveTransactions,
 			prometheus.GaugeValue,
-			data[databasesActiveTransactions].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesActiveTransactions,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesBackupPerRestoreThroughput,
 			prometheus.CounterValue,
-			data[databasesBackupPerRestoreThroughputPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesBackupPerRestoreThroughputPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesBulkCopyRows,
 			prometheus.CounterValue,
-			data[databasesBulkCopyRowsPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesBulkCopyRowsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesBulkCopyThroughput,
 			prometheus.CounterValue,
-			data[databasesBulkCopyThroughputPerSec].FirstValue*1024,
-			sqlInstance, dbName,
+			data.DatabasesBulkCopyThroughputPerSec*1024,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesCommitTableEntries,
 			prometheus.GaugeValue,
-			data[databasesCommitTableEntries].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesCommitTableEntries,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesDataFilesSizeKB,
 			prometheus.GaugeValue,
-			data[databasesDataFilesSizeKB].FirstValue*1024,
-			sqlInstance, dbName,
+			data.DatabasesDataFilesSizeKB*1024,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesDBCCLogicalScanBytes,
 			prometheus.CounterValue,
-			data[databasesDBCCLogicalScanBytesPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesDBCCLogicalScanBytesPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesGroupCommitTime,
 			prometheus.CounterValue,
-			data[databasesGroupCommitTimePerSec].FirstValue/1000000.0,
-			sqlInstance, dbName,
+			data.DatabasesGroupCommitTimePerSec/1000000.0,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogBytesFlushed,
 			prometheus.CounterValue,
-			data[databasesLogBytesFlushedPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogBytesFlushedPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogCacheHits,
 			prometheus.GaugeValue,
-			data[databasesLogCacheHitRatio].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogCacheHitRatio,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogCacheLookups,
 			prometheus.GaugeValue,
-			data[databasesLogCacheHitRatioBase].SecondValue,
-			sqlInstance, dbName,
+			data.DatabasesLogCacheHitRatioBase,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogCacheReads,
 			prometheus.CounterValue,
-			data[databasesLogCacheReadsPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogCacheReadsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogFilesSizeKB,
 			prometheus.GaugeValue,
-			data[databasesLogFilesSizeKB].FirstValue*1024,
-			sqlInstance, dbName,
+			data.DatabasesLogFilesSizeKB*1024,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogFilesUsedSizeKB,
 			prometheus.GaugeValue,
-			data[databasesLogFilesUsedSizeKB].FirstValue*1024,
-			sqlInstance, dbName,
+			data.DatabasesLogFilesUsedSizeKB*1024,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogFlushes,
 			prometheus.CounterValue,
-			data[databasesLogFlushesPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogFlushesPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogFlushWaits,
 			prometheus.CounterValue,
-			data[databasesLogFlushWaitsPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogFlushWaitsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogFlushWaitTime,
 			prometheus.GaugeValue,
-			data[databasesLogFlushWaitTime].FirstValue/1000.0,
-			sqlInstance, dbName,
+			data.DatabasesLogFlushWaitTime/1000.0,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogFlushWriteTimeMS,
 			prometheus.GaugeValue,
-			data[databasesLogFlushWriteTimeMS].FirstValue/1000.0,
-			sqlInstance, dbName,
+			data.DatabasesLogFlushWriteTimeMS/1000.0,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogGrowths,
 			prometheus.GaugeValue,
-			data[databasesLogGrowths].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogGrowths,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolCacheMisses,
 			prometheus.CounterValue,
-			data[databasesLogPoolCacheMissesPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolCacheMissesPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolDiskReads,
 			prometheus.CounterValue,
-			data[databasesLogPoolDiskReadsPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolDiskReadsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolHashDeletes,
 			prometheus.CounterValue,
-			data[databasesLogPoolHashDeletesPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolHashDeletesPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolHashInserts,
 			prometheus.CounterValue,
-			data[databasesLogPoolHashInsertsPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolHashInsertsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolInvalidHashEntry,
 			prometheus.CounterValue,
-			data[databasesLogPoolInvalidHashEntryPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolInvalidHashEntryPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolLogScanPushes,
 			prometheus.CounterValue,
-			data[databasesLogPoolLogScanPushesPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolLogScanPushesPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolLogWriterPushes,
 			prometheus.CounterValue,
-			data[databasesLogPoolLogWriterPushesPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolLogWriterPushesPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolPushEmptyFreePool,
 			prometheus.CounterValue,
-			data[databasesLogPoolPushEmptyFreePoolPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolPushEmptyFreePoolPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolPushLowMemory,
 			prometheus.CounterValue,
-			data[databasesLogPoolPushLowMemoryPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolPushLowMemoryPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolPushNoFreeBuffer,
 			prometheus.CounterValue,
-			data[databasesLogPoolPushNoFreeBufferPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolPushNoFreeBufferPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolReqBehindTrunc,
 			prometheus.CounterValue,
-			data[databasesLogPoolReqBehindTruncPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolReqBehindTruncPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolRequestsOldVLF,
 			prometheus.CounterValue,
-			data[databasesLogPoolRequestsOldVLFPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolRequestsOldVLFPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolRequests,
 			prometheus.CounterValue,
-			data[databasesLogPoolRequestsPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolRequestsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolTotalActiveLogSize,
 			prometheus.GaugeValue,
-			data[databasesLogPoolTotalActiveLogSize].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolTotalActiveLogSize,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogPoolTotalSharedPoolSize,
 			prometheus.GaugeValue,
-			data[databasesLogPoolTotalSharedPoolSize].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogPoolTotalSharedPoolSize,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogShrinks,
 			prometheus.GaugeValue,
-			data[databasesLogShrinks].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogShrinks,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogTruncations,
 			prometheus.GaugeValue,
-			data[databasesLogTruncations].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesLogTruncations,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesPercentLogUsed,
 			prometheus.GaugeValue,
-			data[databasesPercentLogUsed].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesPercentLogUsed,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesReplPendingXacts,
 			prometheus.GaugeValue,
-			data[databasesReplPendingXacts].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesReplPendingXacts,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesReplTransRate,
 			prometheus.CounterValue,
-			data[databasesReplTransRate].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesReplTransRate,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesShrinkDataMovementBytes,
 			prometheus.CounterValue,
-			data[databasesShrinkDataMovementBytesPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesShrinkDataMovementBytesPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesTrackedTransactions,
 			prometheus.CounterValue,
-			data[databasesTrackedTransactionsPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesTrackedTransactionsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesTransactions,
 			prometheus.CounterValue,
-			data[databasesTransactionsPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesTransactionsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesWriteTransactions,
 			prometheus.CounterValue,
-			data[databasesWriteTransactionsPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesWriteTransactionsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesXTPControllerDLCLatencyPerFetch,
 			prometheus.GaugeValue,
-			data[databasesXTPControllerDLCLatencyPerFetch].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesXTPControllerDLCLatencyPerFetch,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesXTPControllerDLCPeakLatency,
 			prometheus.GaugeValue,
-			data[databasesXTPControllerDLCPeakLatency].FirstValue*1000000.0,
-			sqlInstance, dbName,
+			data.DatabasesXTPControllerDLCPeakLatency*1000000.0,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesXTPControllerLogProcessed,
 			prometheus.CounterValue,
-			data[databasesXTPControllerLogProcessedPerSec].FirstValue,
-			sqlInstance, dbName,
+			data.DatabasesXTPControllerLogProcessedPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesXTPMemoryUsedKB,
 			prometheus.GaugeValue,
-			data[databasesXTPMemoryUsedKB].FirstValue*1024,
-			sqlInstance, dbName,
+			data.DatabasesXTPMemoryUsedKB*1024,
+			sqlInstance, data.Name,
+		)
+	}
+
+	return nil
+}
+
+func (c *Collector) collectDatabasesInstance2019(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error {
+	err := perfDataCollector.Collect(&c.databasesPerfDataObject2019)
+	if err != nil {
+		return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "Databases"), err)
+	}
+
+	for _, data := range c.databasesPerfDataObject2019 {
+		ch <- prometheus.MustNewConstMetric(
+			c.databasesActiveParallelRedoThreads,
+			prometheus.GaugeValue,
+			data.DatabasesActiveParallelRedoThreads,
+			sqlInstance, data.Name,
 		)
 	}
 

internal/collector/mssql/mssql_database_replica.go

@@ -19,13 +19,14 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorDatabaseReplica struct {
-	dbReplicaPerfDataCollectors map[string]*perfdata.Collector
+	dbReplicaPerfDataCollectors map[string]*pdh.Collector
+	dbReplicaPerfDataObject     []perfDataCounterValuesDBReplica
 
 	dbReplicaDatabaseFlowControlDelay  *prometheus.Desc
 	dbReplicaDatabaseFlowControls      *prometheus.Desc
@@ -53,69 +54,47 @@ type collectorDatabaseReplica struct {
 	dbReplicaTransactionDelay          *prometheus.Desc
 }
 
-const (
-	dbReplicaDatabaseFlowControlDelay        = "Database Flow Control Delay"
-	dbReplicaDatabaseFlowControlsPerSec      = "Database Flow Controls/sec"
-	dbReplicaFileBytesReceivedPerSec         = "File Bytes Received/sec"
-	dbReplicaGroupCommitsPerSec              = "Group Commits/Sec"
-	dbReplicaGroupCommitTime                 = "Group Commit Time"
-	dbReplicaLogApplyPendingQueue            = "Log Apply Pending Queue"
-	dbReplicaLogApplyReadyQueue              = "Log Apply Ready Queue"
-	dbReplicaLogBytesCompressedPerSec        = "Log Bytes Compressed/sec"
-	dbReplicaLogBytesDecompressedPerSec      = "Log Bytes Decompressed/sec"
-	dbReplicaLogBytesReceivedPerSec          = "Log Bytes Received/sec"
-	dbReplicaLogCompressionCacheHitsPerSec   = "Log Compression Cache hits/sec"
-	dbReplicaLogCompressionCacheMissesPerSec = "Log Compression Cache misses/sec"
-	dbReplicaLogCompressionsPerSec           = "Log Compressions/sec"
-	dbReplicaLogDecompressionsPerSec         = "Log Decompressions/sec"
-	dbReplicaLogRemainingForUndo             = "Log remaining for undo"
-	dbReplicaLogSendQueue                    = "Log Send Queue"
-	dbReplicaMirroredWriteTransactionsPerSec = "Mirrored Write Transactions/sec"
-	dbReplicaRecoveryQueue                   = "Recovery Queue"
-	dbReplicaRedoBlockedPerSec               = "Redo blocked/sec"
-	dbReplicaRedoBytesRemaining              = "Redo Bytes Remaining"
-	dbReplicaRedoneBytesPerSec               = "Redone Bytes/sec"
-	dbReplicaRedonesPerSec                   = "Redones/sec"
-	dbReplicaTotalLogRequiringUndo           = "Total Log requiring undo"
-	dbReplicaTransactionDelay                = "Transaction Delay"
-)
+type perfDataCounterValuesDBReplica struct {
+	Name string
+
+	DbReplicaDatabaseFlowControlDelay        float64 `perfdata:"Database Flow Control Delay"`
+	DbReplicaDatabaseFlowControlsPerSec      float64 `perfdata:"Database Flow Controls/sec"`
+	DbReplicaFileBytesReceivedPerSec         float64 `perfdata:"File Bytes Received/sec"`
+	DbReplicaGroupCommitsPerSec              float64 `perfdata:"Group Commits/Sec"`
+	DbReplicaGroupCommitTime                 float64 `perfdata:"Group Commit Time"`
+	DbReplicaLogApplyPendingQueue            float64 `perfdata:"Log Apply Pending Queue"`
+	DbReplicaLogApplyReadyQueue              float64 `perfdata:"Log Apply Ready Queue"`
+	DbReplicaLogBytesCompressedPerSec        float64 `perfdata:"Log Bytes Compressed/sec"`
+	DbReplicaLogBytesDecompressedPerSec      float64 `perfdata:"Log Bytes Decompressed/sec"`
+	DbReplicaLogBytesReceivedPerSec          float64 `perfdata:"Log Bytes Received/sec"`
+	DbReplicaLogCompressionCacheHitsPerSec   float64 `perfdata:"Log Compression Cache hits/sec"`
+	DbReplicaLogCompressionCacheMissesPerSec float64 `perfdata:"Log Compression Cache misses/sec"`
+	DbReplicaLogCompressionsPerSec           float64 `perfdata:"Log Compressions/sec"`
+	DbReplicaLogDecompressionsPerSec         float64 `perfdata:"Log Decompressions/sec"`
+	DbReplicaLogRemainingForUndo             float64 `perfdata:"Log remaining for undo"`
+	DbReplicaLogSendQueue                    float64 `perfdata:"Log Send Queue"`
+	DbReplicaMirroredWriteTransactionsPerSec float64 `perfdata:"Mirrored Write Transactions/sec"`
+	DbReplicaRecoveryQueue                   float64 `perfdata:"Recovery Queue"`
+	DbReplicaRedoBlockedPerSec               float64 `perfdata:"Redo blocked/sec"`
+	DbReplicaRedoBytesRemaining              float64 `perfdata:"Redo Bytes Remaining"`
+	DbReplicaRedoneBytesPerSec               float64 `perfdata:"Redone Bytes/sec"`
+	DbReplicaRedonesPerSec                   float64 `perfdata:"Redones/sec"`
+	DbReplicaTotalLogRequiringUndo           float64 `perfdata:"Total Log requiring undo"`
+	DbReplicaTransactionDelay                float64 `perfdata:"Transaction Delay"`
+}
 
 func (c *Collector) buildDatabaseReplica() error {
 	var err error
 
-	c.dbReplicaPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
+	c.dbReplicaPerfDataCollectors = make(map[string]*pdh.Collector, len(c.mssqlInstances))
 	errs := make([]error, 0, len(c.mssqlInstances))
-	counters := []string{
-		dbReplicaDatabaseFlowControlDelay,
-		dbReplicaDatabaseFlowControlsPerSec,
-		dbReplicaFileBytesReceivedPerSec,
-		dbReplicaGroupCommitsPerSec,
-		dbReplicaGroupCommitTime,
-		dbReplicaLogApplyPendingQueue,
-		dbReplicaLogApplyReadyQueue,
-		dbReplicaLogBytesCompressedPerSec,
-		dbReplicaLogBytesDecompressedPerSec,
-		dbReplicaLogBytesReceivedPerSec,
-		dbReplicaLogCompressionCacheHitsPerSec,
-		dbReplicaLogCompressionCacheMissesPerSec,
-		dbReplicaLogCompressionsPerSec,
-		dbReplicaLogDecompressionsPerSec,
-		dbReplicaLogRemainingForUndo,
-		dbReplicaLogSendQueue,
-		dbReplicaMirroredWriteTransactionsPerSec,
-		dbReplicaRecoveryQueue,
-		dbReplicaRedoBlockedPerSec,
-		dbReplicaRedoBytesRemaining,
-		dbReplicaRedoneBytesPerSec,
-		dbReplicaRedonesPerSec,
-		dbReplicaTotalLogRequiringUndo,
-		dbReplicaTransactionDelay,
-	}
 
-	for sqlInstance := range c.mssqlInstances {
-		c.dbReplicaPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "Database Replica"), perfdata.InstancesAll, counters)
+	for _, sqlInstance := range c.mssqlInstances {
+		c.dbReplicaPerfDataCollectors[sqlInstance.name], err = pdh.NewCollector[perfDataCounterValuesDBReplica](
+			c.mssqlGetPerfObjectName(sqlInstance.name, "Database Replica"), pdh.InstancesAll,
+		)
 		if err != nil {
-			errs = append(errs, fmt.Errorf("failed to create Database Replica collector for instance %s: %w", sqlInstance, err))
+			errs = append(errs, fmt.Errorf("failed to create Database Replica collector for instance %s: %w", sqlInstance.name, err))
 		}
 	}
 
@@ -272,183 +251,179 @@ func (c *Collector) collectDatabaseReplica(ch chan<- prometheus.Metric) error {
 	return c.collect(ch, subCollectorDatabaseReplica, c.dbReplicaPerfDataCollectors, c.collectDatabaseReplicaInstance)
 }
 
-func (c *Collector) collectDatabaseReplicaInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error {
-	if perfDataCollector == nil {
-		return types.ErrCollectorNotInitialized
-	}
-
-	perfData, err := perfDataCollector.Collect()
+func (c *Collector) collectDatabaseReplicaInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error {
+	err := perfDataCollector.Collect(&c.dbReplicaPerfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "Database Replica"), err)
 	}
 
-	for replicaName, data := range perfData {
+	for _, data := range c.dbReplicaPerfDataObject {
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaDatabaseFlowControlDelay,
 			prometheus.GaugeValue,
-			data[dbReplicaDatabaseFlowControlDelay].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaDatabaseFlowControlDelay,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaDatabaseFlowControls,
 			prometheus.CounterValue,
-			data[dbReplicaDatabaseFlowControlsPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaDatabaseFlowControlsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaFileBytesReceived,
 			prometheus.CounterValue,
-			data[dbReplicaFileBytesReceivedPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaFileBytesReceivedPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaGroupCommits,
 			prometheus.CounterValue,
-			data[dbReplicaGroupCommitsPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaGroupCommitsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaGroupCommitTime,
 			prometheus.GaugeValue,
-			data[dbReplicaGroupCommitTime].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaGroupCommitTime,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaLogApplyPendingQueue,
 			prometheus.GaugeValue,
-			data[dbReplicaLogApplyPendingQueue].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaLogApplyPendingQueue,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaLogApplyReadyQueue,
 			prometheus.GaugeValue,
-			data[dbReplicaLogApplyReadyQueue].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaLogApplyReadyQueue,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaLogBytesCompressed,
 			prometheus.CounterValue,
-			data[dbReplicaLogBytesCompressedPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaLogBytesCompressedPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaLogBytesDecompressed,
 			prometheus.CounterValue,
-			data[dbReplicaLogBytesDecompressedPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaLogBytesDecompressedPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaLogBytesReceived,
 			prometheus.CounterValue,
-			data[dbReplicaLogBytesReceivedPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaLogBytesReceivedPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaLogCompressionCachehits,
 			prometheus.CounterValue,
-			data[dbReplicaLogCompressionCacheHitsPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaLogCompressionCacheHitsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaLogCompressionCachemisses,
 			prometheus.CounterValue,
-			data[dbReplicaLogCompressionCacheMissesPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaLogCompressionCacheMissesPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaLogCompressions,
 			prometheus.CounterValue,
-			data[dbReplicaLogCompressionsPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaLogCompressionsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaLogDecompressions,
 			prometheus.CounterValue,
-			data[dbReplicaLogDecompressionsPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaLogDecompressionsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaLogremainingforundo,
 			prometheus.GaugeValue,
-			data[dbReplicaLogRemainingForUndo].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaLogRemainingForUndo,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaLogSendQueue,
 			prometheus.GaugeValue,
-			data[dbReplicaLogSendQueue].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaLogSendQueue,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaMirroredWritetransactions,
 			prometheus.CounterValue,
-			data[dbReplicaMirroredWriteTransactionsPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaMirroredWriteTransactionsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaRecoveryQueue,
 			prometheus.GaugeValue,
-			data[dbReplicaRecoveryQueue].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaRecoveryQueue,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaRedoblocked,
 			prometheus.CounterValue,
-			data[dbReplicaRedoBlockedPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaRedoBlockedPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaRedoBytesRemaining,
 			prometheus.GaugeValue,
-			data[dbReplicaRedoBytesRemaining].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaRedoBytesRemaining,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaRedoneBytes,
 			prometheus.CounterValue,
-			data[dbReplicaRedoneBytesPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaRedoneBytesPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaRedones,
 			prometheus.CounterValue,
-			data[dbReplicaRedonesPerSec].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaRedonesPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaTotalLogrequiringundo,
 			prometheus.GaugeValue,
-			data[dbReplicaTotalLogRequiringUndo].FirstValue,
-			sqlInstance, replicaName,
+			data.DbReplicaTotalLogRequiringUndo,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.dbReplicaTransactionDelay,
 			prometheus.GaugeValue,
-			data[dbReplicaTransactionDelay].FirstValue/1000.0,
-			sqlInstance, replicaName,
+			data.DbReplicaTransactionDelay/1000.0,
+			sqlInstance, data.Name,
 		)
 	}
 

internal/collector/mssql/mssql_general_statistics.go

@@ -19,13 +19,14 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorGeneralStatistics struct {
-	genStatsPerfDataCollectors map[string]*perfdata.Collector
+	genStatsPerfDataCollectors map[string]*pdh.Collector
+	genStatsPerfDataObject     []perfDataCounterValuesGenStats
 
 	genStatsActiveTempTables              *prometheus.Desc
 	genStatsConnectionReset               *prometheus.Desc
@@ -53,69 +54,45 @@ type collectorGeneralStatistics struct {
 	genStatsUserConnections               *prometheus.Desc
 }
 
-const (
-	genStatsActiveTempTables              = "Active Temp Tables"
-	genStatsConnectionResetPerSec         = "Connection Reset/sec"
-	genStatsEventNotificationsDelayedDrop = "Event Notifications Delayed Drop"
-	genStatsHTTPAuthenticatedRequests     = "HTTP Authenticated Requests"
-	genStatsLogicalConnections            = "Logical Connections"
-	genStatsLoginsPerSec                  = "Logins/sec"
-	genStatsLogoutsPerSec                 = "Logouts/sec"
-	genStatsMarsDeadlocks                 = "Mars Deadlocks"
-	genStatsNonatomicYieldRate            = "Non-atomic yield rate"
-	genStatsProcessesBlocked              = "Processes blocked"
-	genStatsSOAPEmptyRequests             = "SOAP Empty Requests"
-	genStatsSOAPMethodInvocations         = "SOAP Method Invocations"
-	genStatsSOAPSessionInitiateRequests   = "SOAP Session Initiate Requests"
-	genStatsSOAPSessionTerminateRequests  = "SOAP Session Terminate Requests"
-	genStatsSOAPSQLRequests               = "SOAP SQL Requests"
-	genStatsSOAPWSDLRequests              = "SOAP WSDL Requests"
-	genStatsSQLTraceIOProviderLockWaits   = "SQL Trace IO Provider Lock Waits"
-	genStatsTempdbRecoveryUnitID          = "Tempdb recovery unit id"
-	genStatsTempdbRowsetID                = "Tempdb rowset id"
-	genStatsTempTablesCreationRate        = "Temp Tables Creation Rate"
-	genStatsTempTablesForDestruction      = "Temp Tables For Destruction"
-	genStatsTraceEventNotificationQueue   = "Trace Event Notification Queue"
-	genStatsTransactions                  = "Transactions"
-	genStatsUserConnections               = "User Connections"
-)
+type perfDataCounterValuesGenStats struct {
+	GenStatsActiveTempTables              float64 `perfdata:"Active Temp Tables"`
+	GenStatsConnectionResetPerSec         float64 `perfdata:"Connection Reset/sec"`
+	GenStatsEventNotificationsDelayedDrop float64 `perfdata:"Event Notifications Delayed Drop"`
+	GenStatsHTTPAuthenticatedRequests     float64 `perfdata:"HTTP Authenticated Requests"`
+	GenStatsLogicalConnections            float64 `perfdata:"Logical Connections"`
+	GenStatsLoginsPerSec                  float64 `perfdata:"Logins/sec"`
+	GenStatsLogoutsPerSec                 float64 `perfdata:"Logouts/sec"`
+	GenStatsMarsDeadlocks                 float64 `perfdata:"Mars Deadlocks"`
+	GenStatsNonatomicYieldRate            float64 `perfdata:"Non-atomic yield rate"`
+	GenStatsProcessesBlocked              float64 `perfdata:"Processes blocked"`
+	GenStatsSOAPEmptyRequests             float64 `perfdata:"SOAP Empty Requests"`
+	GenStatsSOAPMethodInvocations         float64 `perfdata:"SOAP Method Invocations"`
+	GenStatsSOAPSessionInitiateRequests   float64 `perfdata:"SOAP Session Initiate Requests"`
+	GenStatsSOAPSessionTerminateRequests  float64 `perfdata:"SOAP Session Terminate Requests"`
+	GenStatsSOAPSQLRequests               float64 `perfdata:"SOAP SQL Requests"`
+	GenStatsSOAPWSDLRequests              float64 `perfdata:"SOAP WSDL Requests"`
+	GenStatsSQLTraceIOProviderLockWaits   float64 `perfdata:"SQL Trace IO Provider Lock Waits"`
+	GenStatsTempdbRecoveryUnitID          float64 `perfdata:"Tempdb recovery unit id"`
+	GenStatsTempdbRowsetID                float64 `perfdata:"Tempdb rowset id"`
+	GenStatsTempTablesCreationRate        float64 `perfdata:"Temp Tables Creation Rate"`
+	GenStatsTempTablesForDestruction      float64 `perfdata:"Temp Tables For Destruction"`
+	GenStatsTraceEventNotificationQueue   float64 `perfdata:"Trace Event Notification Queue"`
+	GenStatsTransactions                  float64 `perfdata:"Transactions"`
+	GenStatsUserConnections               float64 `perfdata:"User Connections"`
+}
 
 func (c *Collector) buildGeneralStatistics() error {
 	var err error
 
-	c.genStatsPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
+	c.genStatsPerfDataCollectors = make(map[string]*pdh.Collector, len(c.mssqlInstances))
 	errs := make([]error, 0, len(c.mssqlInstances))
-	counters := []string{
-		genStatsActiveTempTables,
-		genStatsConnectionResetPerSec,
-		genStatsEventNotificationsDelayedDrop,
-		genStatsHTTPAuthenticatedRequests,
-		genStatsLogicalConnections,
-		genStatsLoginsPerSec,
-		genStatsLogoutsPerSec,
-		genStatsMarsDeadlocks,
-		genStatsNonatomicYieldRate,
-		genStatsProcessesBlocked,
-		genStatsSOAPEmptyRequests,
-		genStatsSOAPMethodInvocations,
-		genStatsSOAPSessionInitiateRequests,
-		genStatsSOAPSessionTerminateRequests,
-		genStatsSOAPSQLRequests,
-		genStatsSOAPWSDLRequests,
-		genStatsSQLTraceIOProviderLockWaits,
-		genStatsTempdbRecoveryUnitID,
-		genStatsTempdbRowsetID,
-		genStatsTempTablesCreationRate,
-		genStatsTempTablesForDestruction,
-		genStatsTraceEventNotificationQueue,
-		genStatsTransactions,
-		genStatsUserConnections,
-	}
 
-	for sqlInstance := range c.mssqlInstances {
-		c.genStatsPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "General Statistics"), nil, counters)
+	for _, sqlInstance := range c.mssqlInstances {
+		c.genStatsPerfDataCollectors[sqlInstance.name], err = pdh.NewCollector[perfDataCounterValuesGenStats](
+			c.mssqlGetPerfObjectName(sqlInstance.name, "General Statistics"), nil,
+		)
 		if err != nil {
-			errs = append(errs, fmt.Errorf("failed to create General Statistics collector for instance %s: %w", sqlInstance, err))
+			errs = append(errs, fmt.Errorf("failed to create General Statistics collector for instance %s: %w", sqlInstance.name, err))
 		}
 	}
 
@@ -272,186 +249,177 @@ func (c *Collector) collectGeneralStatistics(ch chan<- prometheus.Metric) error
 	return c.collect(ch, subCollectorGeneralStatistics, c.genStatsPerfDataCollectors, c.collectGeneralStatisticsInstance)
 }
 
-func (c *Collector) collectGeneralStatisticsInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error {
-	if perfDataCollector == nil {
-		return types.ErrCollectorNotInitialized
-	}
-
-	perfData, err := perfDataCollector.Collect()
+func (c *Collector) collectGeneralStatisticsInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error {
+	err := perfDataCollector.Collect(&c.genStatsPerfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "General Statistics"), err)
 	}
 
-	data, ok := perfData[perfdata.InstanceEmpty]
-	if !ok {
-		return fmt.Errorf("perflib query for %s returned empty result set", c.mssqlGetPerfObjectName(sqlInstance, "General Statistics"))
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsActiveTempTables,
 		prometheus.GaugeValue,
-		data[genStatsActiveTempTables].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsActiveTempTables,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsConnectionReset,
 		prometheus.CounterValue,
-		data[genStatsConnectionResetPerSec].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsConnectionResetPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsEventNotificationsDelayedDrop,
 		prometheus.GaugeValue,
-		data[genStatsEventNotificationsDelayedDrop].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsEventNotificationsDelayedDrop,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsHTTPAuthenticatedRequests,
 		prometheus.GaugeValue,
-		data[genStatsHTTPAuthenticatedRequests].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsHTTPAuthenticatedRequests,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsLogicalConnections,
 		prometheus.GaugeValue,
-		data[genStatsLogicalConnections].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsLogicalConnections,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsLogins,
 		prometheus.CounterValue,
-		data[genStatsLoginsPerSec].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsLoginsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsLogouts,
 		prometheus.CounterValue,
-		data[genStatsLogoutsPerSec].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsLogoutsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsMarsDeadlocks,
 		prometheus.GaugeValue,
-		data[genStatsMarsDeadlocks].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsMarsDeadlocks,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsNonAtomicYieldRate,
 		prometheus.CounterValue,
-		data[genStatsNonatomicYieldRate].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsNonatomicYieldRate,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsProcessesBlocked,
 		prometheus.GaugeValue,
-		data[genStatsProcessesBlocked].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsProcessesBlocked,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsSOAPEmptyRequests,
 		prometheus.GaugeValue,
-		data[genStatsSOAPEmptyRequests].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsSOAPEmptyRequests,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsSOAPMethodInvocations,
 		prometheus.GaugeValue,
-		data[genStatsSOAPMethodInvocations].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsSOAPMethodInvocations,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsSOAPSessionInitiateRequests,
 		prometheus.GaugeValue,
-		data[genStatsSOAPSessionInitiateRequests].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsSOAPSessionInitiateRequests,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsSOAPSessionTerminateRequests,
 		prometheus.GaugeValue,
-		data[genStatsSOAPSessionTerminateRequests].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsSOAPSessionTerminateRequests,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsSOAPSQLRequests,
 		prometheus.GaugeValue,
-		data[genStatsSOAPSQLRequests].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsSOAPSQLRequests,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsSOAPWSDLRequests,
 		prometheus.GaugeValue,
-		data[genStatsSOAPWSDLRequests].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsSOAPWSDLRequests,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsSQLTraceIOProviderLockWaits,
 		prometheus.GaugeValue,
-		data[genStatsSQLTraceIOProviderLockWaits].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsSQLTraceIOProviderLockWaits,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsTempDBRecoveryUnitID,
 		prometheus.GaugeValue,
-		data[genStatsTempdbRecoveryUnitID].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsTempdbRecoveryUnitID,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsTempDBrowSetID,
 		prometheus.GaugeValue,
-		data[genStatsTempdbRowsetID].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsTempdbRowsetID,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsTempTablesCreationRate,
 		prometheus.CounterValue,
-		data[genStatsTempTablesCreationRate].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsTempTablesCreationRate,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsTempTablesForDestruction,
 		prometheus.GaugeValue,
-		data[genStatsTempTablesForDestruction].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsTempTablesForDestruction,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsTraceEventNotificationQueue,
 		prometheus.GaugeValue,
-		data[genStatsTraceEventNotificationQueue].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsTraceEventNotificationQueue,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsTransactions,
 		prometheus.GaugeValue,
-		data[genStatsTransactions].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsTransactions,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.genStatsUserConnections,
 		prometheus.GaugeValue,
-		data[genStatsUserConnections].FirstValue,
+		c.genStatsPerfDataObject[0].GenStatsUserConnections,
 		sqlInstance,
 	)
 

internal/collector/mssql/mssql_instance.go

@@ -0,0 +1,52 @@
+// Copyright 2024 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build windows
+
+package mssql
+
+import (
+	"github.com/prometheus-community/windows_exporter/internal/types"
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+type collectorInstance struct {
+	instances *prometheus.GaugeVec
+}
+
+func (c *Collector) buildInstance() error {
+	c.instances = prometheus.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Namespace: types.Namespace,
+			Subsystem: Name,
+			Name:      "instance_info",
+			Help:      "A metric with a constant '1' value labeled with mssql instance information",
+		},
+		[]string{"edition", "mssql_instance", "patch", "version"},
+	)
+
+	for _, instance := range c.mssqlInstances {
+		c.instances.WithLabelValues(instance.edition, instance.name, instance.patchVersion, instance.majorVersion.String()).Set(1)
+	}
+
+	return nil
+}
+
+func (c *Collector) collectInstance(ch chan<- prometheus.Metric) error {
+	c.instances.Collect(ch)
+
+	return nil
+}
+
+func (c *Collector) closeInstance() {
+}

internal/collector/mssql/mssql_locks.go

@@ -19,13 +19,14 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorLocks struct {
-	locksPerfDataCollectors map[string]*perfdata.Collector
+	locksPerfDataCollectors map[string]*pdh.Collector
+	locksPerfDataObject     []perfDataCounterValuesLocks
 
 	// Win32_PerfRawData_{instance}_SQLServerLocks
 	locksWaitTime             *prometheus.Desc
@@ -38,37 +39,31 @@ type collectorLocks struct {
 	locksNumberOfDeadlocks    *prometheus.Desc
 }
 
-const (
-	locksAverageWaitTimeMS          = "Average Wait Time (ms)"
-	locksAverageWaitTimeMSBase      = "Average Wait Time Base"
-	locksLockRequestsPerSec         = "Lock Requests/sec"
-	locksLockTimeoutsPerSec         = "Lock Timeouts/sec"
-	locksLockTimeoutsTimeout0PerSec = "Lock Timeouts (timeout > 0)/sec"
-	locksLockWaitsPerSec            = "Lock Waits/sec"
-	locksLockWaitTimeMS             = "Lock Wait Time (ms)"
-	locksNumberOfDeadlocksPerSec    = "Number of Deadlocks/sec"
-)
+type perfDataCounterValuesLocks struct {
+	Name string
+
+	LocksAverageWaitTimeMS          float64 `perfdata:"Average Wait Time (ms)"`
+	LocksAverageWaitTimeMSBase      float64 `perfdata:"Average Wait Time Base,secondvalue"`
+	LocksLockRequestsPerSec         float64 `perfdata:"Lock Requests/sec"`
+	LocksLockTimeoutsPerSec         float64 `perfdata:"Lock Timeouts/sec"`
+	LocksLockTimeoutsTimeout0PerSec float64 `perfdata:"Lock Timeouts (timeout > 0)/sec"`
+	LocksLockWaitsPerSec            float64 `perfdata:"Lock Waits/sec"`
+	LocksLockWaitTimeMS             float64 `perfdata:"Lock Wait Time (ms)"`
+	LocksNumberOfDeadlocksPerSec    float64 `perfdata:"Number of Deadlocks/sec"`
+}
 
 func (c *Collector) buildLocks() error {
 	var err error
 
-	c.locksPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
+	c.locksPerfDataCollectors = make(map[string]*pdh.Collector, len(c.mssqlInstances))
 	errs := make([]error, 0, len(c.mssqlInstances))
-	counters := []string{
-		locksAverageWaitTimeMS,
-		locksAverageWaitTimeMSBase,
-		locksLockRequestsPerSec,
-		locksLockTimeoutsPerSec,
-		locksLockTimeoutsTimeout0PerSec,
-		locksLockWaitsPerSec,
-		locksLockWaitTimeMS,
-		locksNumberOfDeadlocksPerSec,
-	}
 
-	for sqlInstance := range c.mssqlInstances {
-		c.locksPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "Locks"), perfdata.InstancesAll, counters)
+	for _, sqlInstance := range c.mssqlInstances {
+		c.locksPerfDataCollectors[sqlInstance.name], err = pdh.NewCollector[perfDataCounterValuesLocks](
+			c.mssqlGetPerfObjectName(sqlInstance.name, "Locks"), pdh.InstancesAll,
+		)
 		if err != nil {
-			errs = append(errs, fmt.Errorf("failed to create Locks collector for instance %s: %w", sqlInstance, err))
+			errs = append(errs, fmt.Errorf("failed to create Locks collector for instance %s: %w", sqlInstance.name, err))
 		}
 	}
 
@@ -128,71 +123,67 @@ func (c *Collector) collectLocks(ch chan<- prometheus.Metric) error {
 	return c.collect(ch, subCollectorLocks, c.locksPerfDataCollectors, c.collectLocksInstance)
 }
 
-func (c *Collector) collectLocksInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error {
-	if perfDataCollector == nil {
-		return types.ErrCollectorNotInitialized
-	}
-
-	perfData, err := perfDataCollector.Collect()
+func (c *Collector) collectLocksInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error {
+	err := perfDataCollector.Collect(&c.locksPerfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "Locks"), err)
 	}
 
-	for lockResourceName, data := range perfData {
+	for _, data := range c.locksPerfDataObject {
 		ch <- prometheus.MustNewConstMetric(
 			c.locksWaitTime,
 			prometheus.GaugeValue,
-			data[locksAverageWaitTimeMS].FirstValue/1000.0,
-			sqlInstance, lockResourceName,
+			data.LocksAverageWaitTimeMS/1000.0,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.locksCount,
 			prometheus.GaugeValue,
-			data[locksAverageWaitTimeMSBase].SecondValue/1000.0,
-			sqlInstance, lockResourceName,
+			data.LocksAverageWaitTimeMSBase/1000.0,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.locksLockRequests,
 			prometheus.CounterValue,
-			data[locksLockRequestsPerSec].FirstValue,
-			sqlInstance, lockResourceName,
+			data.LocksLockRequestsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.locksLockTimeouts,
 			prometheus.CounterValue,
-			data[locksLockTimeoutsPerSec].FirstValue,
-			sqlInstance, lockResourceName,
+			data.LocksLockTimeoutsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.locksLockTimeoutstimeout0,
 			prometheus.CounterValue,
-			data[locksLockTimeoutsTimeout0PerSec].FirstValue,
-			sqlInstance, lockResourceName,
+			data.LocksLockTimeoutsTimeout0PerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.locksLockWaits,
 			prometheus.CounterValue,
-			data[locksLockWaitsPerSec].FirstValue,
-			sqlInstance, lockResourceName,
+			data.LocksLockWaitsPerSec,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.locksLockWaitTimeMS,
 			prometheus.GaugeValue,
-			data[locksLockWaitTimeMS].FirstValue/1000.0,
-			sqlInstance, lockResourceName,
+			data.LocksLockWaitTimeMS/1000.0,
+			sqlInstance, data.Name,
 		)
 
 		ch <- prometheus.MustNewConstMetric(
 			c.locksNumberOfDeadlocks,
 			prometheus.CounterValue,
-			data[locksNumberOfDeadlocksPerSec].FirstValue,
-			sqlInstance, lockResourceName,
+			data.LocksNumberOfDeadlocksPerSec,
+			sqlInstance, data.Name,
 		)
 	}
 

internal/collector/mssql/mssql_memory_manager.go

@@ -19,13 +19,14 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorMemoryManager struct {
-	memMgrPerfDataCollectors map[string]*perfdata.Collector
+	memMgrPerfDataCollectors map[string]*pdh.Collector
+	memMgrPerfDataObject     []perfDataCounterValuesMemMgr
 
 	memMgrConnectionMemoryKB       *prometheus.Desc
 	memMgrDatabaseCacheMemoryKB    *prometheus.Desc
@@ -49,61 +50,41 @@ type collectorMemoryManager struct {
 	memMgrTotalServerMemoryKB      *prometheus.Desc
 }
 
-const (
-	memMgrConnectionMemoryKB       = "Connection Memory (KB)"
-	memMgrDatabaseCacheMemoryKB    = "Database Cache Memory (KB)"
-	memMgrExternalBenefitOfMemory  = "External benefit of memory"
-	memMgrFreeMemoryKB             = "Free Memory (KB)"
-	memMgrGrantedWorkspaceMemoryKB = "Granted Workspace Memory (KB)"
-	memMgrLockBlocks               = "Lock Blocks"
-	memMgrLockBlocksAllocated      = "Lock Blocks Allocated"
-	memMgrLockMemoryKB             = "Lock Memory (KB)"
-	memMgrLockOwnerBlocks          = "Lock Owner Blocks"
-	memMgrLockOwnerBlocksAllocated = "Lock Owner Blocks Allocated"
-	memMgrLogPoolMemoryKB          = "Log Pool Memory (KB)"
-	memMgrMaximumWorkspaceMemoryKB = "Maximum Workspace Memory (KB)"
-	memMgrMemoryGrantsOutstanding  = "Memory Grants Outstanding"
-	memMgrMemoryGrantsPending      = "Memory Grants Pending"
-	memMgrOptimizerMemoryKB        = "Optimizer Memory (KB)"
-	memMgrReservedServerMemoryKB   = "Reserved Server Memory (KB)"
-	memMgrSQLCacheMemoryKB         = "SQL Cache Memory (KB)"
-	memMgrStolenServerMemoryKB     = "Stolen Server Memory (KB)"
-	memMgrTargetServerMemoryKB     = "Target Server Memory (KB)"
-	memMgrTotalServerMemoryKB      = "Total Server Memory (KB)"
-)
+type perfDataCounterValuesMemMgr struct {
+	MemMgrConnectionMemoryKB       float64 `perfdata:"Connection Memory (KB)"`
+	MemMgrDatabaseCacheMemoryKB    float64 `perfdata:"Database Cache Memory (KB)"`
+	MemMgrExternalBenefitOfMemory  float64 `perfdata:"External benefit of memory"`
+	MemMgrFreeMemoryKB             float64 `perfdata:"Free Memory (KB)"`
+	MemMgrGrantedWorkspaceMemoryKB float64 `perfdata:"Granted Workspace Memory (KB)"`
+	MemMgrLockBlocks               float64 `perfdata:"Lock Blocks"`
+	MemMgrLockBlocksAllocated      float64 `perfdata:"Lock Blocks Allocated"`
+	MemMgrLockMemoryKB             float64 `perfdata:"Lock Memory (KB)"`
+	MemMgrLockOwnerBlocks          float64 `perfdata:"Lock Owner Blocks"`
+	MemMgrLockOwnerBlocksAllocated float64 `perfdata:"Lock Owner Blocks Allocated"`
+	MemMgrLogPoolMemoryKB          float64 `perfdata:"Log Pool Memory (KB)"`
+	MemMgrMaximumWorkspaceMemoryKB float64 `perfdata:"Maximum Workspace Memory (KB)"`
+	MemMgrMemoryGrantsOutstanding  float64 `perfdata:"Memory Grants Outstanding"`
+	MemMgrMemoryGrantsPending      float64 `perfdata:"Memory Grants Pending"`
+	MemMgrOptimizerMemoryKB        float64 `perfdata:"Optimizer Memory (KB)"`
+	MemMgrReservedServerMemoryKB   float64 `perfdata:"Reserved Server Memory (KB)"`
+	MemMgrSQLCacheMemoryKB         float64 `perfdata:"SQL Cache Memory (KB)"`
+	MemMgrStolenServerMemoryKB     float64 `perfdata:"Stolen Server Memory (KB)"`
+	MemMgrTargetServerMemoryKB     float64 `perfdata:"Target Server Memory (KB)"`
+	MemMgrTotalServerMemoryKB      float64 `perfdata:"Total Server Memory (KB)"`
+}
 
 func (c *Collector) buildMemoryManager() error {
 	var err error
 
-	c.memMgrPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
+	c.memMgrPerfDataCollectors = make(map[string]*pdh.Collector, len(c.mssqlInstances))
 	errs := make([]error, 0, len(c.mssqlInstances))
-	counters := []string{
-		memMgrConnectionMemoryKB,
-		memMgrDatabaseCacheMemoryKB,
-		memMgrExternalBenefitOfMemory,
-		memMgrFreeMemoryKB,
-		memMgrGrantedWorkspaceMemoryKB,
-		memMgrLockBlocks,
-		memMgrLockBlocksAllocated,
-		memMgrLockMemoryKB,
-		memMgrLockOwnerBlocks,
-		memMgrLockOwnerBlocksAllocated,
-		memMgrLogPoolMemoryKB,
-		memMgrMaximumWorkspaceMemoryKB,
-		memMgrMemoryGrantsOutstanding,
-		memMgrMemoryGrantsPending,
-		memMgrOptimizerMemoryKB,
-		memMgrReservedServerMemoryKB,
-		memMgrSQLCacheMemoryKB,
-		memMgrStolenServerMemoryKB,
-		memMgrTargetServerMemoryKB,
-		memMgrTotalServerMemoryKB,
-	}
 
-	for sqlInstance := range c.mssqlInstances {
-		c.memMgrPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "Memory Manager"), perfdata.InstancesAll, counters)
+	for _, sqlInstance := range c.mssqlInstances {
+		c.memMgrPerfDataCollectors[sqlInstance.name], err = pdh.NewCollector[perfDataCounterValuesMemMgr](
+			c.mssqlGetPerfObjectName(sqlInstance.name, "Memory Manager"), pdh.InstancesAll,
+		)
 		if err != nil {
-			errs = append(errs, fmt.Errorf("failed to create Memory Manager collector for instance %s: %w", sqlInstance, err))
+			errs = append(errs, fmt.Errorf("failed to create Memory Manager collector for instance %s: %w", sqlInstance.name, err))
 		}
 	}
 
@@ -235,158 +216,149 @@ func (c *Collector) collectMemoryManager(ch chan<- prometheus.Metric) error {
 	return c.collect(ch, subCollectorMemoryManager, c.memMgrPerfDataCollectors, c.collectMemoryManagerInstance)
 }
 
-func (c *Collector) collectMemoryManagerInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error {
-	if perfDataCollector == nil {
-		return types.ErrCollectorNotInitialized
-	}
-
-	perfData, err := perfDataCollector.Collect()
+func (c *Collector) collectMemoryManagerInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error {
+	err := perfDataCollector.Collect(&c.memMgrPerfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "Memory Manager"), err)
 	}
 
-	data, ok := perfData[perfdata.InstanceEmpty]
-	if !ok {
-		return fmt.Errorf("perflib query for %s returned empty result set", c.mssqlGetPerfObjectName(sqlInstance, "Memory Manager"))
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrConnectionMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrConnectionMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrConnectionMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrDatabaseCacheMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrDatabaseCacheMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrDatabaseCacheMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrExternalBenefitOfMemory,
 		prometheus.GaugeValue,
-		data[memMgrExternalBenefitOfMemory].FirstValue,
+		c.memMgrPerfDataObject[0].MemMgrExternalBenefitOfMemory,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrFreeMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrFreeMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrFreeMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrGrantedWorkspaceMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrGrantedWorkspaceMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrGrantedWorkspaceMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrLockBlocks,
 		prometheus.GaugeValue,
-		data[memMgrLockBlocks].FirstValue,
+		c.memMgrPerfDataObject[0].MemMgrLockBlocks,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrLockBlocksAllocated,
 		prometheus.GaugeValue,
-		data[memMgrLockBlocksAllocated].FirstValue,
+		c.memMgrPerfDataObject[0].MemMgrLockBlocksAllocated,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrLockMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrLockMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrLockMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrLockOwnerBlocks,
 		prometheus.GaugeValue,
-		data[memMgrLockOwnerBlocks].FirstValue,
+		c.memMgrPerfDataObject[0].MemMgrLockOwnerBlocks,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrLockOwnerBlocksAllocated,
 		prometheus.GaugeValue,
-		data[memMgrLockOwnerBlocksAllocated].FirstValue,
+		c.memMgrPerfDataObject[0].MemMgrLockOwnerBlocksAllocated,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrLogPoolMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrLogPoolMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrLogPoolMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrMaximumWorkspaceMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrMaximumWorkspaceMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrMaximumWorkspaceMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrMemoryGrantsOutstanding,
 		prometheus.GaugeValue,
-		data[memMgrMemoryGrantsOutstanding].FirstValue,
+		c.memMgrPerfDataObject[0].MemMgrMemoryGrantsOutstanding,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrMemoryGrantsPending,
 		prometheus.GaugeValue,
-		data[memMgrMemoryGrantsPending].FirstValue,
+		c.memMgrPerfDataObject[0].MemMgrMemoryGrantsPending,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrOptimizerMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrOptimizerMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrOptimizerMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrReservedServerMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrReservedServerMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrReservedServerMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrSQLCacheMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrSQLCacheMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrSQLCacheMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrStolenServerMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrStolenServerMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrStolenServerMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrTargetServerMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrTargetServerMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrTargetServerMemoryKB*1024,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.memMgrTotalServerMemoryKB,
 		prometheus.GaugeValue,
-		data[memMgrTotalServerMemoryKB].FirstValue*1024,
+		c.memMgrPerfDataObject[0].MemMgrTotalServerMemoryKB*1024,
 		sqlInstance,
 	)
 

internal/collector/mssql/mssql_sql_errors.go

@@ -19,35 +19,37 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorSQLErrors struct {
-	sqlErrorsPerfDataCollectors map[string]*perfdata.Collector
+	sqlErrorsPerfDataCollectors map[string]*pdh.Collector
+	sqlErrorsPerfDataObject     []perfDataCounterValuesSqlErrors
 
 	// Win32_PerfRawData_{instance}_SQLServerSQLErrors
 	sqlErrorsTotal *prometheus.Desc
 }
 
-const (
-	sqlErrorsErrorsPerSec = "Errors/sec"
-)
+type perfDataCounterValuesSqlErrors struct {
+	Name string
+
+	SqlErrorsErrorsPerSec float64 `perfdata:"Errors/sec"`
+}
 
 func (c *Collector) buildSQLErrors() error {
 	var err error
 
-	c.sqlErrorsPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
+	c.sqlErrorsPerfDataCollectors = make(map[string]*pdh.Collector, len(c.mssqlInstances))
 	errs := make([]error, 0, len(c.mssqlInstances))
-	counters := []string{
-		sqlErrorsErrorsPerSec,
-	}
 
-	for sqlInstance := range c.mssqlInstances {
-		c.sqlErrorsPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "SQL Errors"), perfdata.InstancesAll, counters)
+	for _, sqlInstance := range c.mssqlInstances {
+		c.sqlErrorsPerfDataCollectors[sqlInstance.name], err = pdh.NewCollector[perfDataCounterValuesSqlErrors](
+			c.mssqlGetPerfObjectName(sqlInstance.name, "SQL Errors"), pdh.InstancesAll,
+		)
 		if err != nil {
-			errs = append(errs, fmt.Errorf("failed to create SQL Errors collector for instance %s: %w", sqlInstance, err))
+			errs = append(errs, fmt.Errorf("failed to create SQL Errors collector for instance %s: %w", sqlInstance.name, err))
 		}
 	}
 
@@ -66,22 +68,18 @@ func (c *Collector) collectSQLErrors(ch chan<- prometheus.Metric) error {
 	return c.collect(ch, subCollectorSQLErrors, c.sqlErrorsPerfDataCollectors, c.collectSQLErrorsInstance)
 }
 
-func (c *Collector) collectSQLErrorsInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error {
-	if perfDataCollector == nil {
-		return types.ErrCollectorNotInitialized
-	}
-
-	perfData, err := perfDataCollector.Collect()
+func (c *Collector) collectSQLErrorsInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error {
+	err := perfDataCollector.Collect(&c.sqlErrorsPerfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "SQL Errors"), err)
 	}
 
-	for resource, data := range perfData {
+	for _, data := range c.sqlErrorsPerfDataObject {
 		ch <- prometheus.MustNewConstMetric(
 			c.sqlErrorsTotal,
 			prometheus.CounterValue,
-			data[sqlErrorsErrorsPerSec].FirstValue,
-			sqlInstance, resource,
+			data.SqlErrorsErrorsPerSec,
+			sqlInstance, data.Name,
 		)
 	}
 

internal/collector/mssql/mssql_sql_stats.go

@@ -19,13 +19,14 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/prometheus-community/windows_exporter/internal/perfdata"
+	"github.com/prometheus-community/windows_exporter/internal/pdh"
 	"github.com/prometheus-community/windows_exporter/internal/types"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type collectorSQLStats struct {
-	sqlStatsPerfDataCollectors map[string]*perfdata.Collector
+	sqlStatsPerfDataCollectors map[string]*pdh.Collector
+	sqlStatsPerfDataObject     []perfDataCounterValuesSqlStats
 
 	sqlStatsAutoParamAttempts       *prometheus.Desc
 	sqlStatsBatchRequests           *prometheus.Desc
@@ -40,43 +41,32 @@ type collectorSQLStats struct {
 	sqlStatsUnsafeAutoParams        *prometheus.Desc
 }
 
-const (
-	sqlStatsAutoParamAttemptsPerSec       = "Auto-Param Attempts/sec"
-	sqlStatsBatchRequestsPerSec           = "Batch Requests/sec"
-	sqlStatsFailedAutoParamsPerSec        = "Failed Auto-Params/sec"
-	sqlStatsForcedParameterizationsPerSec = "Forced Parameterizations/sec"
-	sqlStatsGuidedplanexecutionsPerSec    = "Guided plan executions/sec"
-	sqlStatsMisguidedplanexecutionsPerSec = "Misguided plan executions/sec"
-	sqlStatsSafeAutoParamsPerSec          = "Safe Auto-Params/sec"
-	sqlStatsSQLAttentionrate              = "SQL Attention rate"
-	sqlStatsSQLCompilationsPerSec         = "SQL Compilations/sec"
-	sqlStatsSQLReCompilationsPerSec       = "SQL Re-Compilations/sec"
-	sqlStatsUnsafeAutoParamsPerSec        = "Unsafe Auto-Params/sec"
-)
+type perfDataCounterValuesSqlStats struct {
+	SqlStatsAutoParamAttemptsPerSec       float64 `perfdata:"Auto-Param Attempts/sec"`
+	SqlStatsBatchRequestsPerSec           float64 `perfdata:"Batch Requests/sec"`
+	SqlStatsFailedAutoParamsPerSec        float64 `perfdata:"Failed Auto-Params/sec"`
+	SqlStatsForcedParameterizationsPerSec float64 `perfdata:"Forced Parameterizations/sec"`
+	SqlStatsGuidedplanexecutionsPerSec    float64 `perfdata:"Guided plan executions/sec"`
+	SqlStatsMisguidedplanexecutionsPerSec float64 `perfdata:"Misguided plan executions/sec"`
+	SqlStatsSafeAutoParamsPerSec          float64 `perfdata:"Safe Auto-Params/sec"`
+	SqlStatsSQLAttentionrate              float64 `perfdata:"SQL Attention rate"`
+	SqlStatsSQLCompilationsPerSec         float64 `perfdata:"SQL Compilations/sec"`
+	SqlStatsSQLReCompilationsPerSec       float64 `perfdata:"SQL Re-Compilations/sec"`
+	SqlStatsUnsafeAutoParamsPerSec        float64 `perfdata:"Unsafe Auto-Params/sec"`
+}
 
 func (c *Collector) buildSQLStats() error {
 	var err error
 
-	c.sqlStatsPerfDataCollectors = make(map[string]*perfdata.Collector, len(c.mssqlInstances))
+	c.sqlStatsPerfDataCollectors = make(map[string]*pdh.Collector, len(c.mssqlInstances))
 	errs := make([]error, 0, len(c.mssqlInstances))
-	counters := []string{
-		sqlStatsAutoParamAttemptsPerSec,
-		sqlStatsBatchRequestsPerSec,
-		sqlStatsFailedAutoParamsPerSec,
-		sqlStatsForcedParameterizationsPerSec,
-		sqlStatsGuidedplanexecutionsPerSec,
-		sqlStatsMisguidedplanexecutionsPerSec,
-		sqlStatsSafeAutoParamsPerSec,
-		sqlStatsSQLAttentionrate,
-		sqlStatsSQLCompilationsPerSec,
-		sqlStatsSQLReCompilationsPerSec,
-		sqlStatsUnsafeAutoParamsPerSec,
-	}
 
-	for sqlInstance := range c.mssqlInstances {
-		c.sqlStatsPerfDataCollectors[sqlInstance], err = perfdata.NewCollector(c.mssqlGetPerfObjectName(sqlInstance, "SQL Statistics"), nil, counters)
+	for _, sqlInstance := range c.mssqlInstances {
+		c.sqlStatsPerfDataCollectors[sqlInstance.name], err = pdh.NewCollector[perfDataCounterValuesSqlStats](
+			c.mssqlGetPerfObjectName(sqlInstance.name, "SQL Statistics"), nil,
+		)
 		if err != nil {
-			errs = append(errs, fmt.Errorf("failed to create SQL Statistics collector for instance %s: %w", sqlInstance, err))
+			errs = append(errs, fmt.Errorf("failed to create SQL Statistics collector for instance %s: %w", sqlInstance.name, err))
 		}
 	}
 
@@ -154,95 +144,86 @@ func (c *Collector) collectSQLStats(ch chan<- prometheus.Metric) error {
 	return c.collect(ch, subCollectorSQLStats, c.sqlStatsPerfDataCollectors, c.collectSQLStatsInstance)
 }
 
-func (c *Collector) collectSQLStatsInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *perfdata.Collector) error {
-	if perfDataCollector == nil {
-		return types.ErrCollectorNotInitialized
-	}
-
-	perfData, err := perfDataCollector.Collect()
+func (c *Collector) collectSQLStatsInstance(ch chan<- prometheus.Metric, sqlInstance string, perfDataCollector *pdh.Collector) error {
+	err := perfDataCollector.Collect(&c.sqlStatsPerfDataObject)
 	if err != nil {
 		return fmt.Errorf("failed to collect %s metrics: %w", c.mssqlGetPerfObjectName(sqlInstance, "SQL Statistics"), err)
 	}
 
-	data, ok := perfData[perfdata.InstanceEmpty]
-	if !ok {
-		return fmt.Errorf("perflib query for %s returned empty result set", c.mssqlGetPerfObjectName(sqlInstance, "SQL Statistics"))
-	}
-
 	ch <- prometheus.MustNewConstMetric(
 		c.sqlStatsAutoParamAttempts,
 		prometheus.CounterValue,
-		data[sqlStatsAutoParamAttemptsPerSec].FirstValue,
+		c.sqlStatsPerfDataObject[0].SqlStatsAutoParamAttemptsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.sqlStatsBatchRequests,
 		prometheus.CounterValue,
-		data[sqlStatsBatchRequestsPerSec].FirstValue,
+		c.sqlStatsPerfDataObject[0].SqlStatsBatchRequestsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.sqlStatsFailedAutoParams,
 		prometheus.CounterValue,
-		data[sqlStatsFailedAutoParamsPerSec].FirstValue,
+		c.sqlStatsPerfDataObject[0].SqlStatsFailedAutoParamsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.sqlStatsForcedParameterizations,
 		prometheus.CounterValue,
-		data[sqlStatsForcedParameterizationsPerSec].FirstValue,
+		c.sqlStatsPerfDataObject[0].SqlStatsForcedParameterizationsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.sqlStatsGuidedplanexecutions,
 		prometheus.CounterValue,
-		data[sqlStatsGuidedplanexecutionsPerSec].FirstValue,
+		c.sqlStatsPerfDataObject[0].SqlStatsGuidedplanexecutionsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.sqlStatsMisguidedplanexecutions,
 		prometheus.CounterValue,
-		data[sqlStatsMisguidedplanexecutionsPerSec].FirstValue,
+		c.sqlStatsPerfDataObject[0].SqlStatsMisguidedplanexecutionsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.sqlStatsSafeAutoParams,
 		prometheus.CounterValue,
-		data[sqlStatsSafeAutoParamsPerSec].FirstValue,
+		c.sqlStatsPerfDataObject[0].SqlStatsSafeAutoParamsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.sqlStatsSQLAttentionrate,
 		prometheus.CounterValue,
-		data[sqlStatsSQLAttentionrate].FirstValue,
+		c.sqlStatsPerfDataObject[0].SqlStatsSQLAttentionrate,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.sqlStatsSQLCompilations,
 		prometheus.CounterValue,
-		data[sqlStatsSQLCompilationsPerSec].FirstValue,
+		c.sqlStatsPerfDataObject[0].SqlStatsSQLCompilationsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.sqlStatsSQLReCompilations,
 		prometheus.CounterValue,
-		data[sqlStatsSQLReCompilationsPerSec].FirstValue,
+		c.sqlStatsPerfDataObject[0].SqlStatsSQLReCompilationsPerSec,
 		sqlInstance,
 	)
 
 	ch <- prometheus.MustNewConstMetric(
 		c.sqlStatsUnsafeAutoParams,
 		prometheus.CounterValue,
-		data[sqlStatsUnsafeAutoParamsPerSec].FirstValue,
+		c.sqlStatsPerfDataObject[0].SqlStatsUnsafeAutoParamsPerSec,
 		sqlInstance,
 	)