41 lines
1.6 KiB
Markdown
41 lines
1.6 KiB
Markdown
# system collector
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The system collector exposes metrics about ...
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Metric name prefix | `system`
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Data source | Perflib
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Classes | [`Win32_PerfRawData_PerfOS_System`](https://web.archive.org/web/20050830140516/http://msdn.microsoft.com/library/en-us/wmisdk/wmi/win32_perfrawdata_perfos_system.asp)
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Enabled by default? | Yes
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## Flags
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None
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## Metrics
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Name | Description | Type | Labels
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-----|-------------|------|-------
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`wmi_system_context_switches_total` | Total number of [context switches](https://en.wikipedia.org/wiki/Context_switch) | counter | None
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`wmi_system_exception_dispatches_total` | Total exceptions dispatched by the system | counter | None
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`wmi_system_processor_queue_length` | Number of threads in the processor queue. There is a single queue for processor time even on computers with multiple processors. | gauge | None
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`wmi_system_system_calls_total` | Total combined calls to Windows NT system service routines by all processes running on the computer | counter | None
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`wmi_system_system_up_time` | Time of last boot of system | gauge | None
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`wmi_system_threads` | Number of Windows system [threads](https://en.wikipedia.org/wiki/Thread_(computing)) | gauge | None
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### Example metric
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Show current number of system threads
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```
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wmi_system_threads{instance="localhost"}
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```
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## Useful queries
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Find hosts that have rebooted in the last 24 hours
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```
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time() - wmi_system_system_up_time < 86400
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```
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## Alerting examples
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_This collector does not yet have alerting examples, we would appreciate your help adding them!_
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