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Add semantic conventions for jvm cpu metrics #2292

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merged 18 commits into from
May 27, 2022
Merged

Add semantic conventions for jvm cpu metrics #2292

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f1dffdd
Add semantic conventions for jvm cpu metrics
jonatan-ivanov Jan 25, 2022
7dad51a
usage -> utilization
jonatan-ivanov Jan 29, 2022
bac4a56
Merge branch 'main' into jvm-cpu
jonatan-ivanov Jan 29, 2022
23fd10d
Addressing review comments
jonatan-ivanov Mar 17, 2022
4674b89
Merge branch 'main' into jvm-cpu
jonatan-ivanov Mar 17, 2022
f15445a
Change name for cpu load avg
jonatan-ivanov Mar 19, 2022
efc6362
Gauge -> Asynchronous Gauge
jonatan-ivanov Mar 19, 2022
d276861
Merge branch 'main' into jvm-cpu
jonatan-ivanov Mar 21, 2022
87a4890
Merge branch 'main' into jvm-cpu
reyang Mar 22, 2022
a8951c9
Rewording recent cpu usage
jonatan-ivanov Mar 23, 2022
62356dd
Add side notes to utilization metrics
jonatan-ivanov Mar 31, 2022
37f220c
Add explanation to footnote [2]
jonatan-ivanov Mar 31, 2022
46effeb
Merge branch 'main' into jvm-cpu
jonatan-ivanov Mar 31, 2022
bcbc194
Merge branch 'main' into jvm-cpu
jonatan-ivanov Apr 9, 2022
589aba9
Merge branch 'main' into jvm-cpu
jonatan-ivanov May 9, 2022
9dbe7c4
Merge branch 'main' into jvm-cpu
jonatan-ivanov May 16, 2022
293b1b3
Merge branch 'main' into jvm-cpu
jonatan-ivanov May 26, 2022
4946ac4
Fixing toc
jonatan-ivanov May 26, 2022
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40 changes: 21 additions & 19 deletions specification/metrics/semantic_conventions/runtime-environment-metrics.md
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Expand Up @@ -57,22 +57,24 @@ consider, for example pthreads vs green thread implementations.

All JVM metric attributes are required unless otherwise indicated.
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| Name | Description | Unit | Unit ([UCUM](README.md#instrument-units)) | Instrument Type ([*](README.md#instrument-types)) | Value Type | Attribute Key | Attribute Values |
|--------------------------------------------|--------------------------------------------|-------|-------------------------------------------|---------------------------------------------------|------------|---------------|-----------------------|
| process.runtime.jvm.memory.usage | Measure of memory used | Bytes | `By` | UpDownCounter | Int64 | type | `"heap"`, `"nonheap"` |
| | | | | | | pool | Name of pool [1] |
| process.runtime.jvm.memory.init | Measure of initial memory requested | Bytes | `By` | UpDownCounter | Int64 | type | `"heap"`, `"nonheap"` |
| | | | | | | pool | Name of pool [1] |
| process.runtime.jvm.memory.committed | Measure of memory committed | Bytes | `By` | UpDownCounter | Int64 | type | `"heap"`, `"nonheap"` |
| | | | | | | pool | Name of pool [1] |
| process.runtime.jvm.memory.max | Measure of max obtainable memory | Bytes | `By` | UpDownCounter | Int64 | type | `"heap"`, `"nonheap"` |
| | | | | | | pool | Name of pool [1] |
| process.runtime.jvm.threads.count | Number of executing threads | threads | `{threads}` | UpDownCounter | Int64 | | |
| process.runtime.jvm.classes.loaded | Number of classes loaded since JVM start | classes | `{classes}` | Counter | Int64 | | |
| process.runtime.jvm.classes.unloaded | Number of classes unloaded since JVM start | classes | `{classes}` | Counter | Int64 | | |
| process.runtime.jvm.classes.current_loaded | Number of classes currently loaded | classes | `{classes}` | UpDownCounter | Int64 | | |

**[1]**: Pool names are generally obtained
via [MemoryPoolMXBean#getName()](https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/MemoryPoolMXBean.html#getName())
. Examples include `G1 Old Gen`, `G1 Eden space`, `G1 Survivor Space`
, `Metaspace`, etc.
| Name | Description | Unit | Unit ([UCUM](README.md#instrument-units)) | Instrument Type ([*](README.md#instrument-types)) | Value Type | Attribute Key | Attribute Values |
|--------------------------------------------|----------------------------------------------------------|---------|-------------------------------------------|---------------------------------------------------|------------|---------------|-----------------------|
| process.runtime.jvm.memory.usage | Measure of memory used | Bytes | `By` | UpDownCounter | Int64 | type | `"heap"`, `"nonheap"` |
| | | | | | | pool | Name of pool [1] |
| process.runtime.jvm.memory.init | Measure of initial memory requested | Bytes | `By` | UpDownCounter | Int64 | type | `"heap"`, `"nonheap"` |
| | | | | | | pool | Name of pool [1] |
| process.runtime.jvm.memory.committed | Measure of memory committed | Bytes | `By` | UpDownCounter | Int64 | type | `"heap"`, `"nonheap"` |
| | | | | | | pool | Name of pool [1] |
| process.runtime.jvm.memory.max | Measure of max obtainable memory | Bytes | `By` | UpDownCounter | Int64 | type | `"heap"`, `"nonheap"` |
| | | | | | | pool | Name of pool [1] |
| process.runtime.jvm.threads.count | Number of executing threads | threads | `{threads}` | UpDownCounter | Int64 | | |
| process.runtime.jvm.classes.loaded | Number of classes loaded since JVM start | classes | `{classes}` | Counter | Int64 | | |
| process.runtime.jvm.classes.unloaded | Number of classes unloaded since JVM start | classes | `{classes}` | Counter | Int64 | | |
| process.runtime.jvm.classes.current_loaded | Number of classes currently loaded | classes | `{classes}` | UpDownCounter | Int64 | | |
| process.runtime.jvm.cpu.utilization | Recent cpu utilization for the process [2] | 1 | 1 | Asynchronous Gauge | Double | | |
| process.runtime.jvm.system.cpu.utilization | Recent cpu utilization for the whole system [2] | 1 | 1 | Asynchronous Gauge | Double | | |
| process.runtime.jvm.system.cpu.load_1m | Average CPU load of the whole system for the last minute | 1 | 1 | Asynchronous Gauge | Double | | |

**[1]**: Pool names are generally obtained via [MemoryPoolMXBean#getName()](https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/MemoryPoolMXBean.html#getName()).
Examples include `G1 Old Gen`, `G1 Eden space`, `G1 Survivor Space`, `Metaspace`, etc.
**[2]**: These utilizations are not defined as being for the specific interval since last measurement (unlike `system.cpu.utilization`).