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describe JVM CPU metrics #13

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jsuereth merged 4 commits into from
May 16, 2023
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describe JVM CPU metrics #13

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d7b7ab4
describe JVM CPU metrics
zeitlinger May 12, 2023
cff9ea6
describe JVM CPU metrics
zeitlinger May 12, 2023
5112209
add changelog
zeitlinger May 16, 2023
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Merge branch 'main' into jvm_cpu_description
jsuereth May 16, 2023
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -59,3 +59,5 @@ release.
([#3355](https://github.com/open-telemetry/opentelemetry-specification/pull/3355))
- Add `gcp.cloud_run.job.execution` and `gcp.cloud_run.job.task_id` resource
attributes for GCP Cloud Run Jobs ([#3378](https://github.com/open-telemetry/opentelemetry-specification/pull/3378))
- Specify the value range for JVM CPU metrics.
([#13](https://github.com/open-telemetry/semantic-conventions/pull/13))
9 changes: 9 additions & 0 deletions semantic_conventions/metrics/process-runtime-jvm-metrics.yaml
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Expand Up @@ -127,8 +127,10 @@ groups:
metric_name: process.runtime.jvm.cpu.utilization
brief: "Recent CPU utilization for the process."
note: >
The value range is [0.0,1.0].
This utilization is not defined as being for the specific interval since last measurement
(unlike `system.cpu.utilization`).
[Reference](https://docs.oracle.com/en/java/javase/17/docs/api/jdk.management/com/sun/management/OperatingSystemMXBean.html#getProcessCpuLoad()).
instrument: gauge
unit: "1"

Expand All @@ -137,15 +139,22 @@ groups:
metric_name: process.runtime.jvm.system.cpu.utilization
brief: "Recent CPU utilization for the whole system."
note: >
The value range is [0.0,1.0].
This utilization is not defined as being for the specific interval since last measurement
(unlike `system.cpu.utilization`).
[Reference](https://docs.oracle.com/en/java/javase/17/docs/api/jdk.management/com/sun/management/OperatingSystemMXBean.html#getCpuLoad()).
instrument: gauge
unit: "1"

- id: metric.process.runtime.jvm.system.cpu.load_1m
type: metric
metric_name: process.runtime.jvm.system.cpu.load_1m
brief: "Average CPU load of the whole system for the last minute."
note: >
The value range is [0,n], where n is the number of CPU cores - or a negative number of the value is not available.
This utilization is not defined as being for the specific interval since last measurement
(unlike `system.cpu.utilization`).
[Reference](https://docs.oracle.com/en/java/javase/17/docs/api/java.management/java/lang/management/OperatingSystemMXBean.html#getSystemLoadAverage()).
instrument: gauge
unit: "1"

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