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8c2fb6fcd6f164b241aca367e01e29de02712caa
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2 Commits

Author SHA1 Message Date
Peter Nguyen
8c2fb6fcd6 chore: exporters/prometheus/internal/x - Generate x package from x component template (#7491) 
Generates `x` using the template using `go generate`

closes #7383

---------

Co-authored-by: Flc゛ <i@flc.io>
Co-authored-by: Damien Mathieu <42@dmathieu.com>
 2025-11-14 09:06:00 +01:00
Robert Wu
60f9f39d78 feat(prometheus): Add observability for prometheus exporter (#7345) 
fix #7013 

References: 

- [Follow
guidelines](a5dcd68ebb/CONTRIBUTING.md (encapsulation)).
- PR: #7307 

Implement following self-observability metrics from
https://github.com/open-telemetry/semantic-conventions/blob/v1.36.0/docs/otel/sdk-metrics.md
for https://pkg.go.dev/go.opentelemetry.io/otel/exporters/prometheus:

- otel.sdk.exporter.metric_data_point.inflight
- otel.sdk.exporter.metric_data_point.exported
- otel.sdk.exporter.operation.duration
- otel.sdk.metric_reader.collection.duration

### Benchmarks

```console
➜ benchstat /tmp/bench_disabled.txt /tmp/bench_enabled.txt
goos: darwin
goarch: arm64
pkg: go.opentelemetry.io/otel/exporters/prometheus/internal/observ
cpu: Apple M1 Max
                                           │ /tmp/bench_disabled.txt │       /tmp/bench_enabled.txt       │
                                           │         sec/op          │   sec/op     vs base               │
InstrumentationExportMetrics-10                          177.5n ± 0%   177.8n ± 0%  +0.14% (p=0.039 n=20)
InstrumentationRecordOperationDuration-10                246.6n ± 0%   246.7n ± 0%       ~ (p=0.606 n=20)
InstrumentationRecordCollectionDuration-10               246.8n ± 1%   247.2n ± 0%       ~ (p=0.456 n=20)
geomean                                                  221.1n        221.3n       +0.09%

                                           │ /tmp/bench_disabled.txt │       /tmp/bench_enabled.txt        │
                                           │          B/op           │    B/op     vs base                 │
InstrumentationExportMetrics-10                           256.0 ± 0%   256.0 ± 0%       ~ (p=1.000 n=20) ¹
InstrumentationRecordOperationDuration-10                 272.0 ± 0%   272.0 ± 0%       ~ (p=1.000 n=20) ¹
InstrumentationRecordCollectionDuration-10                272.0 ± 0%   272.0 ± 0%       ~ (p=1.000 n=20) ¹
geomean                                                   266.6        266.6       +0.00%
¹ all samples are equal

                                           │ /tmp/bench_disabled.txt │       /tmp/bench_enabled.txt        │
                                           │        allocs/op        │ allocs/op   vs base                 │
InstrumentationExportMetrics-10                           3.000 ± 0%   3.000 ± 0%       ~ (p=1.000 n=20) ¹
InstrumentationRecordOperationDuration-10                 3.000 ± 0%   3.000 ± 0%       ~ (p=1.000 n=20) ¹
InstrumentationRecordCollectionDuration-10                3.000 ± 0%   3.000 ± 0%       ~ (p=1.000 n=20) ¹
geomean                                                   3.000        3.000       +0.00%
¹ all samples are equal
```

---------

Co-authored-by: Flc゛ <four_leaf_clover@foxmail.com>
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
 2025-09-18 07:52:54 -07:00