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@mbissa mbissa commented Sep 16, 2025

stats/otel: Part 1 for A94
Adds up down counter boiler plate code

RELEASE NOTES: none

@mbissa mbissa added this to the 1.76 Release milestone Sep 16, 2025
@mbissa mbissa requested a review from easwars September 16, 2025 07:11
@mbissa mbissa added the Type: Feature New features or improvements in behavior label Sep 16, 2025
@mbissa mbissa force-pushed the a94-subchannel-metrics branch from 20f43a0 to e4d9b0e Compare September 16, 2025 07:14
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codecov bot commented Sep 16, 2025

Codecov Report

❌ Patch coverage is 26.86567% with 49 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.48%. Comparing base (e60a04b) to head (e4d9b0e).
⚠️ Report is 8 commits behind head on master.

Files with missing lines Patch % Lines
stats/opentelemetry/opentelemetry.go 4.00% 24 Missing ⚠️
internal/testutils/stats/test_metrics_recorder.go 28.57% 15 Missing ⚠️
internal/stats/metrics_recorder_list.go 0.00% 6 Missing ⚠️
experimental/stats/metricregistry.go 73.33% 4 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##           master    #8581      +/-   ##
==========================================
- Coverage   81.64%   80.48%   -1.17%     
==========================================
  Files         413      413              
  Lines       40621    40933     +312     
==========================================
- Hits        33167    32946     -221     
- Misses       5991     6286     +295     
- Partials     1463     1701     +238     
Files with missing lines Coverage Δ
experimental/stats/metrics.go 0.00% <ø> (ø)
experimental/stats/metricregistry.go 55.63% <73.33%> (-44.37%) ⬇️
internal/stats/metrics_recorder_list.go 83.33% <0.00%> (-16.67%) ⬇️
internal/testutils/stats/test_metrics_recorder.go 45.27% <28.57%> (-30.06%) ⬇️
stats/opentelemetry/opentelemetry.go 59.13% <4.00%> (-18.78%) ⬇️

... and 36 files with indirect coverage changes

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@Pranjali-2501 Pranjali-2501 modified the milestones: 1.76 Release, 1.77 Sep 17, 2025
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easwars commented Sep 18, 2025

Please follow the instructions mentioned here and update the PR description: https://github.com/grpc/grpc-go/blob/master/CONTRIBUTING.md#pr-descriptions

Specifically the following:

Read and follow the guidelines for PR titles and descriptions here: https://google.github.io/eng-practices/review/developer/cl-descriptions.html

particularly the sections "First Line" and "Body is Informative".

@easwars easwars modified the milestone: 1.77 Release Sep 18, 2025
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LGTM

I'm completely new to the otel codebase in grpc-go though. So, hopefully a second reviewer knows more :)

recorder.RecordInt64Count(h, incr, labels...)
}

// Int64UpDownCountHandle is a typed handle for an int up-down counter metric.
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I understand this docstring is very similar to the existing one for Int64CountHandle. But I'm curious as to what the "typed handle" means here.

}
ret, err := meter.Int64UpDownCounter(string(metricName), options...)
if err != nil {
logger.Errorf("failed to register metric \"%v\", will not record: %v", metricName, err)
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Nit: Log statements should follow capitalization rules for regular sentences, and not the ones that apply to error strings. See: go/go-style/decisions#error-strings

@easwars easwars removed their assignment Sep 18, 2025
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3 participants