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Merge pull request #387 from breed808/logical-disk-new-counters

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Add logical_disk latency metrics
This commit is contained in:
Calle Pettersson
2019-08-22 08:53:42 +02:00
committed by GitHub
parent cd9a740e2b 853d615673
commit d86f318010
1 changed files with 59 additions and 11 deletions
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70
collector/logical_disk.go
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@@ -29,17 +29,20 @@ var (
// A LogicalDiskCollector is a Prometheus collector for WMI Win32_PerfRawData_PerfDisk_LogicalDisk metrics
type LogicalDiskCollector struct {
RequestsQueued *prometheus.Desc
ReadBytesTotal *prometheus.Desc
ReadsTotal *prometheus.Desc
WriteBytesTotal *prometheus.Desc
WritesTotal *prometheus.Desc
ReadTime *prometheus.Desc
WriteTime *prometheus.Desc
TotalSpace *prometheus.Desc
FreeSpace *prometheus.Desc
IdleTime *prometheus.Desc
SplitIOs *prometheus.Desc
RequestsQueued *prometheus.Desc
ReadBytesTotal *prometheus.Desc
ReadsTotal *prometheus.Desc
WriteBytesTotal *prometheus.Desc
WritesTotal *prometheus.Desc
ReadTime *prometheus.Desc
WriteTime *prometheus.Desc
TotalSpace *prometheus.Desc
FreeSpace *prometheus.Desc
IdleTime *prometheus.Desc
SplitIOs *prometheus.Desc
ReadLatency *prometheus.Desc
WriteLatency *prometheus.Desc
ReadWriteLatency *prometheus.Desc
volumeWhitelistPattern *regexp.Regexp
volumeBlacklistPattern *regexp.Regexp
@@ -127,6 +130,27 @@ func NewLogicalDiskCollector() (Collector, error) {
nil,
),
ReadLatency: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "read_latency_seconds_total"),
"Shows the average time, in seconds, of a read operation from the disk (LogicalDisk.AvgDiskSecPerRead)",
[]string{"volume"},
nil,
),
WriteLatency: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "write_latency_seconds_total"),
"Shows the average time, in seconds, of a write operation to the disk (LogicalDisk.AvgDiskSecPerWrite)",
[]string{"volume"},
nil,
),
ReadWriteLatency: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "read_write_latency_seconds_total"),
"Shows the time, in seconds, of the average disk transfer (LogicalDisk.AvgDiskSecPerTransfer)",
[]string{"volume"},
nil,
),
volumeWhitelistPattern: regexp.MustCompile(fmt.Sprintf("^(?:%s)$", *volumeWhitelist)),
volumeBlacklistPattern: regexp.MustCompile(fmt.Sprintf("^(?:%s)$", *volumeBlacklist)),
}, nil
@@ -158,6 +182,9 @@ type Win32_PerfRawData_PerfDisk_LogicalDisk struct {
PercentFreeSpace_Base uint32
PercentIdleTime uint64
SplitIOPerSec uint32
AvgDiskSecPerRead uint64
AvgDiskSecPerWrite uint64
AvgDiskSecPerTransfer uint64
}
func (c *LogicalDiskCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
@@ -250,6 +277,27 @@ func (c *LogicalDiskCollector) collect(ch chan<- prometheus.Metric) (*prometheus
float64(volume.SplitIOPerSec),
volume.Name,
)
ch <- prometheus.MustNewConstMetric(
c.ReadLatency,
prometheus.CounterValue,
float64(volume.AvgDiskSecPerRead),
volume.Name,
)
ch <- prometheus.MustNewConstMetric(
c.WriteLatency,
prometheus.CounterValue,
float64(volume.AvgDiskSecPerWrite),
volume.Name,
)
ch <- prometheus.MustNewConstMetric(
c.ReadWriteLatency,
prometheus.CounterValue,
float64(volume.AvgDiskSecPerTransfer),
volume.Name,
)
}
return nil, nil