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describe JVM CPU metrics #13

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merged 4 commits into from
May 16, 2023
Merged

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
0f7537a
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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Original file line number Diff line number Diff line change
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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