mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-08 05:56:37 +00:00
575 lines
15 KiB
Go
575 lines
15 KiB
Go
//go:build windows
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package cpu
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import (
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"fmt"
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"log/slog"
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"strings"
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"github.com/alecthomas/kingpin/v2"
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"github.com/prometheus-community/windows_exporter/internal/mi"
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"github.com/prometheus-community/windows_exporter/internal/perfdata"
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v1 "github.com/prometheus-community/windows_exporter/internal/perfdata/v1"
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"github.com/prometheus-community/windows_exporter/internal/toggle"
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"github.com/prometheus-community/windows_exporter/internal/types"
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"github.com/prometheus-community/windows_exporter/internal/utils"
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"github.com/prometheus/client_golang/prometheus"
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)
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const Name = "cpu"
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type Config struct{}
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var ConfigDefaults = Config{}
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type Collector struct {
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config Config
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perfDataCollector perfdata.Collector
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processorRTCValues map[string]utils.Counter
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processorMPerfValues map[string]utils.Counter
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logicalProcessors *prometheus.Desc
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cStateSecondsTotal *prometheus.Desc
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timeTotal *prometheus.Desc
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interruptsTotal *prometheus.Desc
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dpcsTotal *prometheus.Desc
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clockInterruptsTotal *prometheus.Desc
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idleBreakEventsTotal *prometheus.Desc
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parkingStatus *prometheus.Desc
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processorFrequencyMHz *prometheus.Desc
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processorPerformance *prometheus.Desc
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processorMPerf *prometheus.Desc
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processorRTC *prometheus.Desc
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processorUtility *prometheus.Desc
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processorPrivilegedUtility *prometheus.Desc
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}
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func New(config *Config) *Collector {
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if config == nil {
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config = &ConfigDefaults
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}
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c := &Collector{
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config: *config,
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}
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return c
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}
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func NewWithFlags(_ *kingpin.Application) *Collector {
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return &Collector{}
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}
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func (c *Collector) GetName() string {
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return Name
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}
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func (c *Collector) GetPerfCounter(_ *slog.Logger) ([]string, error) {
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if toggle.IsPDHEnabled() {
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return []string{}, nil
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}
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return []string{"Processor Information"}, nil
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}
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func (c *Collector) Close(_ *slog.Logger) error {
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return nil
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}
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func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
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if toggle.IsPDHEnabled() {
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counters := []string{
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c1TimeSeconds,
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c2TimeSeconds,
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c3TimeSeconds,
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c1TransitionsTotal,
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c2TransitionsTotal,
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c3TransitionsTotal,
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clockInterruptsTotal,
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dpcQueuedPerSecond,
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dpcTimeSeconds,
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idleBreakEventsTotal,
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idleTimeSeconds,
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interruptsTotal,
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interruptTimeSeconds,
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parkingStatus,
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performanceLimitPercent,
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priorityTimeSeconds,
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privilegedTimeSeconds,
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privilegedUtilitySeconds,
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processorFrequencyMHz,
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processorPerformance,
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processorTimeSeconds,
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processorUtilityRate,
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userTimeSeconds,
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}
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var err error
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c.perfDataCollector, err = perfdata.NewCollector(perfdata.V1, "Processor Information", perfdata.AllInstances, counters)
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if err != nil {
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return fmt.Errorf("failed to create Processor Information collector: %w", err)
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}
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}
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c.logicalProcessors = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "logical_processor"),
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"Total number of logical processors",
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nil,
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nil,
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)
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c.cStateSecondsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "cstate_seconds_total"),
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"Time spent in low-power idle state",
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[]string{"core", "state"},
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nil,
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)
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c.timeTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "time_total"),
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"Time that processor spent in different modes (dpc, idle, interrupt, privileged, user)",
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[]string{"core", "mode"},
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nil,
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)
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c.interruptsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "interrupts_total"),
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"Total number of received and serviced hardware interrupts",
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[]string{"core"},
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nil,
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)
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c.dpcsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "dpcs_total"),
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"Total number of received and serviced deferred procedure calls (DPCs)",
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[]string{"core"},
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nil,
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)
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c.cStateSecondsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "cstate_seconds_total"),
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"Time spent in low-power idle state",
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[]string{"core", "state"},
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nil,
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)
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c.timeTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "time_total"),
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"Time that processor spent in different modes (dpc, idle, interrupt, privileged, user)",
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[]string{"core", "mode"},
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nil,
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)
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c.interruptsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "interrupts_total"),
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"Total number of received and serviced hardware interrupts",
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[]string{"core"},
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nil,
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)
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c.dpcsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "dpcs_total"),
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"Total number of received and serviced deferred procedure calls (DPCs)",
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[]string{"core"},
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nil,
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)
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c.clockInterruptsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "clock_interrupts_total"),
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"Total number of received and serviced clock tick interrupts",
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[]string{"core"},
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nil,
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)
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c.idleBreakEventsTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "idle_break_events_total"),
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"Total number of time processor was woken from idle",
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[]string{"core"},
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nil,
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)
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c.parkingStatus = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "parking_status"),
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"Parking Status represents whether a processor is parked or not",
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[]string{"core"},
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nil,
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)
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c.processorFrequencyMHz = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "core_frequency_mhz"),
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"Core frequency in megahertz",
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[]string{"core"},
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nil,
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)
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c.processorPerformance = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "processor_performance_total"),
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"Processor Performance is the average performance of the processor while it is executing instructions, as a percentage of the nominal performance of the processor. On some processors, Processor Performance may exceed 100%",
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[]string{"core"},
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nil,
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)
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c.processorMPerf = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "processor_mperf_total"),
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"Processor MPerf is the number of TSC ticks incremented while executing instructions",
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[]string{"core"},
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nil,
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)
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c.processorRTC = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "processor_rtc_total"),
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"Processor RTC represents the number of RTC ticks made since the system booted. It should consistently be 64e6, and can be used to properly derive Processor Utility Rate",
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[]string{"core"},
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nil,
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)
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c.processorUtility = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "processor_utility_total"),
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"Processor Utility represents is the amount of time the core spends executing instructions",
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[]string{"core"},
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nil,
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)
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c.processorPrivilegedUtility = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "processor_privileged_utility_total"),
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"Processor Privileged Utility represents is the amount of time the core has spent executing instructions inside the kernel",
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[]string{"core"},
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nil,
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)
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c.processorRTCValues = map[string]utils.Counter{}
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c.processorMPerfValues = map[string]utils.Counter{}
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return nil
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}
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func (c *Collector) Collect(ctx *types.ScrapeContext, logger *slog.Logger, ch chan<- prometheus.Metric) error {
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if toggle.IsPDHEnabled() {
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return c.collectPDH(ch)
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}
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logger = logger.With(slog.String("collector", Name))
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return c.collectFull(ctx, logger, ch)
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}
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func (c *Collector) collectFull(ctx *types.ScrapeContext, logger *slog.Logger, ch chan<- prometheus.Metric) error {
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data := make([]perflibProcessorInformation, 0)
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err := v1.UnmarshalObject(ctx.PerfObjects["Processor Information"], &data, logger)
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if err != nil {
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return err
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}
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var coreCount float64
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for _, cpu := range data {
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if strings.Contains(strings.ToLower(cpu.Name), "_total") {
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continue
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}
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core := cpu.Name
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var (
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counterProcessorRTCValues utils.Counter
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counterProcessorMPerfValues utils.Counter
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ok bool
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)
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if counterProcessorRTCValues, ok = c.processorRTCValues[core]; ok {
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counterProcessorRTCValues.AddValue(uint32(cpu.ProcessorRTC))
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} else {
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counterProcessorRTCValues = utils.NewCounter(uint32(cpu.ProcessorRTC))
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}
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c.processorRTCValues[core] = counterProcessorRTCValues
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if counterProcessorMPerfValues, ok = c.processorMPerfValues[core]; ok {
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counterProcessorMPerfValues.AddValue(uint32(cpu.ProcessorMPerf))
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} else {
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counterProcessorMPerfValues = utils.NewCounter(uint32(cpu.ProcessorMPerf))
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}
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c.processorMPerfValues[core] = counterProcessorMPerfValues
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coreCount++
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ch <- prometheus.MustNewConstMetric(
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c.cStateSecondsTotal,
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prometheus.CounterValue,
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cpu.C1TimeSeconds,
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core, "c1",
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)
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ch <- prometheus.MustNewConstMetric(
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c.cStateSecondsTotal,
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prometheus.CounterValue,
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cpu.C2TimeSeconds,
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core, "c2",
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)
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ch <- prometheus.MustNewConstMetric(
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c.cStateSecondsTotal,
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prometheus.CounterValue,
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cpu.C3TimeSeconds,
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core, "c3",
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)
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ch <- prometheus.MustNewConstMetric(
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c.timeTotal,
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prometheus.CounterValue,
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cpu.IdleTimeSeconds,
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core, "idle",
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)
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ch <- prometheus.MustNewConstMetric(
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c.timeTotal,
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prometheus.CounterValue,
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cpu.InterruptTimeSeconds,
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core, "interrupt",
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)
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ch <- prometheus.MustNewConstMetric(
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c.timeTotal,
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prometheus.CounterValue,
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cpu.DPCTimeSeconds,
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core, "dpc",
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)
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ch <- prometheus.MustNewConstMetric(
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c.timeTotal,
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prometheus.CounterValue,
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cpu.PrivilegedTimeSeconds,
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core, "privileged",
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)
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ch <- prometheus.MustNewConstMetric(
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c.timeTotal,
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prometheus.CounterValue,
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cpu.UserTimeSeconds,
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core, "user",
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)
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ch <- prometheus.MustNewConstMetric(
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c.interruptsTotal,
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prometheus.CounterValue,
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cpu.InterruptsTotal,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.dpcsTotal,
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prometheus.CounterValue,
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cpu.DPCsQueuedTotal,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.clockInterruptsTotal,
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prometheus.CounterValue,
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cpu.ClockInterruptsTotal,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.idleBreakEventsTotal,
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prometheus.CounterValue,
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cpu.IdleBreakEventsTotal,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.parkingStatus,
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prometheus.GaugeValue,
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cpu.ParkingStatus,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.processorFrequencyMHz,
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prometheus.GaugeValue,
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cpu.ProcessorFrequencyMHz,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.processorPerformance,
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prometheus.CounterValue,
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cpu.ProcessorPerformance,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.processorMPerf,
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prometheus.CounterValue,
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counterProcessorMPerfValues.Value(),
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.processorRTC,
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prometheus.CounterValue,
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counterProcessorRTCValues.Value(),
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.processorUtility,
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prometheus.CounterValue,
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cpu.ProcessorUtilityRate,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.processorPrivilegedUtility,
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prometheus.CounterValue,
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cpu.PrivilegedUtilitySeconds,
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core,
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)
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}
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ch <- prometheus.MustNewConstMetric(
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c.logicalProcessors,
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prometheus.GaugeValue,
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coreCount,
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)
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return nil
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}
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func (c *Collector) collectPDH(ch chan<- prometheus.Metric) error {
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data, err := c.perfDataCollector.Collect()
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if err != nil {
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return fmt.Errorf("failed to collect Processor Information metrics: %w", err)
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}
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var coreCount float64
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for core, coreData := range data {
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coreCount++
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var (
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counterProcessorRTCValues utils.Counter
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counterProcessorMPerfValues utils.Counter
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ok bool
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)
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if counterProcessorRTCValues, ok = c.processorRTCValues[core]; ok {
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counterProcessorRTCValues.AddValue(uint32(coreData[processorUtilityRate].SecondValue))
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} else {
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counterProcessorRTCValues = utils.NewCounter(uint32(coreData[privilegedUtilitySeconds].SecondValue))
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}
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c.processorRTCValues[core] = counterProcessorRTCValues
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if counterProcessorMPerfValues, ok = c.processorMPerfValues[core]; ok {
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counterProcessorMPerfValues.AddValue(uint32(coreData[processorPerformance].SecondValue))
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} else {
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counterProcessorMPerfValues = utils.NewCounter(uint32(coreData[processorPerformance].SecondValue))
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}
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c.processorMPerfValues[core] = counterProcessorMPerfValues
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ch <- prometheus.MustNewConstMetric(
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c.cStateSecondsTotal,
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prometheus.CounterValue,
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coreData[c1TimeSeconds].FirstValue,
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core, "c1",
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)
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ch <- prometheus.MustNewConstMetric(
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c.cStateSecondsTotal,
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prometheus.CounterValue,
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coreData[c2TimeSeconds].FirstValue,
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core, "c2",
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)
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ch <- prometheus.MustNewConstMetric(
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c.cStateSecondsTotal,
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prometheus.CounterValue,
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coreData[c3TimeSeconds].FirstValue,
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core, "c3",
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)
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ch <- prometheus.MustNewConstMetric(
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c.timeTotal,
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prometheus.CounterValue,
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coreData[idleTimeSeconds].FirstValue,
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core, "idle",
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)
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ch <- prometheus.MustNewConstMetric(
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c.timeTotal,
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prometheus.CounterValue,
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coreData[interruptTimeSeconds].FirstValue,
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core, "interrupt",
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)
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ch <- prometheus.MustNewConstMetric(
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c.timeTotal,
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prometheus.CounterValue,
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coreData[dpcTimeSeconds].FirstValue,
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core, "dpc",
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)
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ch <- prometheus.MustNewConstMetric(
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c.timeTotal,
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prometheus.CounterValue,
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coreData[privilegedTimeSeconds].FirstValue,
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core, "privileged",
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)
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ch <- prometheus.MustNewConstMetric(
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c.timeTotal,
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prometheus.CounterValue,
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coreData[userTimeSeconds].FirstValue,
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core, "user",
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)
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ch <- prometheus.MustNewConstMetric(
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c.interruptsTotal,
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prometheus.CounterValue,
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coreData[interruptsTotal].FirstValue,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.dpcsTotal,
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prometheus.CounterValue,
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coreData[dpcQueuedPerSecond].FirstValue,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.clockInterruptsTotal,
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prometheus.CounterValue,
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coreData[clockInterruptsTotal].FirstValue,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.idleBreakEventsTotal,
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prometheus.CounterValue,
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coreData[idleBreakEventsTotal].FirstValue,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.parkingStatus,
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prometheus.GaugeValue,
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coreData[parkingStatus].FirstValue,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.processorFrequencyMHz,
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prometheus.GaugeValue,
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coreData[processorFrequencyMHz].FirstValue,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.processorPerformance,
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prometheus.CounterValue,
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coreData[processorPerformance].FirstValue,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.processorMPerf,
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prometheus.CounterValue,
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counterProcessorMPerfValues.Value(),
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.processorRTC,
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prometheus.CounterValue,
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counterProcessorRTCValues.Value(),
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.processorUtility,
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prometheus.CounterValue,
|
|
coreData[processorUtilityRate].FirstValue,
|
|
core,
|
|
)
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.processorPrivilegedUtility,
|
|
prometheus.CounterValue,
|
|
coreData[privilegedUtilitySeconds].FirstValue,
|
|
core,
|
|
)
|
|
}
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
c.logicalProcessors,
|
|
prometheus.GaugeValue,
|
|
coreCount,
|
|
)
|
|
|
|
return nil
|
|
}
|