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add cpu count to system metrics
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Signed-off-by: Benedikt Bongartz <bongartz@klimlive.de>
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frzifus committed Jun 21, 2023
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3 changes: 2 additions & 1 deletion CHANGELOG.md
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Expand Up @@ -94,4 +94,5 @@ release.
([#17](https://github.com/open-telemetry/opentelemetry-specification/pull/17))
- Mark service.version as stable.
([#106](https://github.com/open-telemetry/semantic-conventions/pull/106))

- Add `system.cpu.count.physical` and `system.cpu.count.virtual` metrics.
([#99](https://github.com/open-telemetry/opentelemetry-specification/pull/99))
14 changes: 8 additions & 6 deletions specification/metrics/semantic_conventions/system-metrics.md
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Expand Up @@ -33,12 +33,14 @@ instruments not explicitly defined in the specification.

**Description:** System level processor metrics.

| Name | Description | Units | Instrument Type ([*](README.md#instrument-types)) | Value Type | Attribute Key(s) | Attribute Values |
| ---------------------- | -------------------------------------------------------------------------------------------------------- | ----- | ------------------------------------------------- | ---------- | ---------------- | ----------------------------------- |
| system.cpu.time | | s | Counter | Double | state | idle, user, system, interrupt, etc. |
| | | | | | cpu | CPU number [0..n-1] |
| system.cpu.utilization | Difference in system.cpu.time since the last measurement, divided by the elapsed time and number of CPUs | 1 | Gauge | Double | state | idle, user, system, interrupt, etc. |
| | | | | | cpu | CPU number (0..n) |
| Name | Description | Units | Instrument Type ([*](README.md#instrument-types)) | Value Type | Attribute Key(s) | Attribute Values |
| ------------------------- | -------------------------------------------------------------------------------------------------------- | ----- | ------------------------------------------------- | ---------- | ---------------- | ----------------------------------- |
| system.cpu.time | | s | Counter | Double | state | idle, user, system, interrupt, etc. |
| | | | | | cpu | CPU number [0..n-1] |
| system.cpu.utilization | Difference in system.cpu.time since the last measurement, divided by the elapsed time and number of CPUs | 1 | Gauge | Double | state | idle, user, system, interrupt, etc. |
| | | | | | cpu | CPU number (0..n) |
| system.cpu.count.physical | Reports the and number of available physical CPUs - may changes over time | 1 | UpDownCounters | Int64 | device | (identifier e.g. `machine-id`) |
| system.cpu.count.virtual | Reports the and number of available virtual CPUs - may changes over time | 1 | UpDownCounters | Int64 | device | (identifier e.g. `machine-id`) |

### `system.memory.` - Memory metrics

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