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Calle Pettersson
2020-05-24 20:47:16 +02:00
parent c1a137f7a8
commit a1db538118
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docs/collector.cpu.md
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@@ -18,31 +18,31 @@ These metrics are available on all versions of Windows:
Name | Description | Type | Labels
-----|-------------|------|-------
`wmi_cpu_cstate_seconds_total` | Time spent in low-power idle states | counter | `core`, `state`
`wmi_cpu_time_total` | Time that processor spent in different modes (idle, user, system, ...) | counter | `core`, `mode`
`wmi_cpu_interrupts_total` | Total number of received and serviced hardware interrupts | counter | `core`
`wmi_cpu_dpcs_total` | Total number of received and serviced deferred procedure calls (DPCs) | counter | `core`
`windows_cpu_cstate_seconds_total` | Time spent in low-power idle states | counter | `core`, `state`
`windows_cpu_time_total` | Time that processor spent in different modes (idle, user, system, ...) | counter | `core`, `mode`
`windows_cpu_interrupts_total` | Total number of received and serviced hardware interrupts | counter | `core`
`windows_cpu_dpcs_total` | Total number of received and serviced deferred procedure calls (DPCs) | counter | `core`
These metrics are only exposed on Windows Server 2008R2 and later:
Name | Description | Type | Labels
-----|-------------|------|-------
`wmi_cpu_clock_interrupts_total` | Total number of received and serviced clock tick interrupts | `core`
`wmi_cpu_idle_break_events_total` | Total number of time processor was woken from idle | `core`
`wmi_cpu_parking_status` | Parking Status represents whether a processor is parked or not | `gauge`
`wmi_cpu_core_frequency_mhz` | Core frequency in megahertz | `gauge`
`wmi_cpu_processor_performance` | 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% | `gauge`
`windows_cpu_clock_interrupts_total` | Total number of received and serviced clock tick interrupts | `core`
`windows_cpu_idle_break_events_total` | Total number of time processor was woken from idle | `core`
`windows_cpu_parking_status` | Parking Status represents whether a processor is parked or not | `gauge`
`windows_cpu_core_frequency_mhz` | Core frequency in megahertz | `gauge`
`windows_cpu_processor_performance` | 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% | `gauge`
### Example metric
Show frequency of host CPU cores
```
wmi_cpu_core_frequency_mhz{instance="localhost"}
windows_cpu_core_frequency_mhz{instance="localhost"}
```
## Useful queries
Show cpu usage by mode.
```
sum by (mode) (irate(wmi_cpu_time_total{instance="localhost"}[5m]))
sum by (mode) (irate(windows_cpu_time_total{instance="localhost"}[5m]))
```
## Alerting examples
@@ -50,7 +50,7 @@ sum by (mode) (irate(wmi_cpu_time_total{instance="localhost"}[5m]))
```yaml
# Alert on hosts with more than 80% CPU usage over a 10 minute period
- alert: CpuUsage
expr: 100 - (avg by (instance) (irate(wmi_cpu_time_total{mode="idle"}[2m])) * 100) > 80
expr: 100 - (avg by (instance) (irate(windows_cpu_time_total{mode="idle"}[2m])) * 100) > 80
for: 10m
labels:
severity: warning