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Add logical_disk latency metrics

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This commit is contained in:
Ben Reedy 2019-03-26 19:29:17 +02:00
parent cd9a740e2b
commit 853d615673
1 changed files with 59 additions and 11 deletions
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48
collector/logical_disk.go
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@ -40,6 +40,9 @@ type LogicalDiskCollector struct {
FreeSpace *prometheus.Desc FreeSpace *prometheus.Desc
IdleTime *prometheus.Desc IdleTime *prometheus.Desc
SplitIOs *prometheus.Desc SplitIOs *prometheus.Desc
ReadLatency *prometheus.Desc
WriteLatency *prometheus.Desc
ReadWriteLatency *prometheus.Desc
volumeWhitelistPattern *regexp.Regexp volumeWhitelistPattern *regexp.Regexp
volumeBlacklistPattern *regexp.Regexp volumeBlacklistPattern *regexp.Regexp
@ -127,6 +130,27 @@ func NewLogicalDiskCollector() (Collector, error) {
nil, 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)$", *volumeWhitelist)), volumeWhitelistPattern: regexp.MustCompile(fmt.Sprintf("^(?:%s)$", *volumeWhitelist)),
volumeBlacklistPattern: regexp.MustCompile(fmt.Sprintf("^(?:%s)$", *volumeBlacklist)), volumeBlacklistPattern: regexp.MustCompile(fmt.Sprintf("^(?:%s)$", *volumeBlacklist)),
}, nil }, nil
@ -158,6 +182,9 @@ type Win32_PerfRawData_PerfDisk_LogicalDisk struct {
PercentFreeSpace_Base uint32 PercentFreeSpace_Base uint32
PercentIdleTime uint64 PercentIdleTime uint64
SplitIOPerSec uint32 SplitIOPerSec uint32
AvgDiskSecPerRead uint64
AvgDiskSecPerWrite uint64
AvgDiskSecPerTransfer uint64
} }
func (c *LogicalDiskCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) { 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), float64(volume.SplitIOPerSec),
volume.Name, 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 return nil, nil