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feat: add Hash trait to TracerMetadata#1931

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gh-worker-dd-mergequeue-cf854d[bot] merged 3 commits intomainfrom
duncan-harvey/tracer-metadata-hash-trait
Apr 29, 2026
Merged

feat: add Hash trait to TracerMetadata#1931
gh-worker-dd-mergequeue-cf854d[bot] merged 3 commits intomainfrom
duncan-harvey/tracer-metadata-hash-trait

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@duncanpharvey
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What does this PR do?

Derives Hash on TracerMetadata, allowing instances to be used as keys in hash-based collections such as HashMap and HashSet.

Motivation

Needed for DataDog/serverless-components#51 (comment)

Additional Notes

Follows feat: add PartialEq and Eq traits to TracerMetadata.

How to test the change?

Unit tests.

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Clippy Allow Annotation Report

Comparing clippy allow annotations between branches:

  • Base Branch: origin/main
  • PR Branch: origin/duncan-harvey/tracer-metadata-hash-trait

Summary by Rule

Rule Base Branch PR Branch Change

Annotation Counts by File

File Base Branch PR Branch Change

Annotation Stats by Crate

Crate Base Branch PR Branch Change
clippy-annotation-reporter 5 5 No change (0%)
datadog-ffe-ffi 1 1 No change (0%)
datadog-ipc 21 21 No change (0%)
datadog-live-debugger 6 6 No change (0%)
datadog-live-debugger-ffi 10 10 No change (0%)
datadog-profiling-replayer 4 4 No change (0%)
datadog-remote-config 3 3 No change (0%)
datadog-sidecar 56 56 No change (0%)
libdd-common 10 10 No change (0%)
libdd-common-ffi 12 12 No change (0%)
libdd-data-pipeline 5 5 No change (0%)
libdd-ddsketch 2 2 No change (0%)
libdd-dogstatsd-client 1 1 No change (0%)
libdd-profiling 13 13 No change (0%)
libdd-telemetry 19 19 No change (0%)
libdd-tinybytes 4 4 No change (0%)
libdd-trace-normalization 2 2 No change (0%)
libdd-trace-obfuscation 8 8 No change (0%)
libdd-trace-stats 1 1 No change (0%)
libdd-trace-utils 15 15 No change (0%)
Total 198 198 No change (0%)

About This Report

This report tracks Clippy allow annotations for specific rules, showing how they've changed in this PR. Decreasing the number of these annotations generally improves code quality.

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codecov-commenter commented Apr 28, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.77%. Comparing base (4b2845f) to head (26355a1).

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #1931   +/-   ##
=======================================
  Coverage   71.77%   71.77%           
=======================================
  Files         434      434           
  Lines       69978    69978           
=======================================
  Hits        50227    50227           
  Misses      19751    19751           
Components Coverage Δ
libdd-crashtracker 66.00% <ø> (-0.02%) ⬇️
libdd-crashtracker-ffi 34.47% <ø> (ø)
libdd-alloc 98.77% <ø> (ø)
libdd-data-pipeline 85.86% <ø> (ø)
libdd-data-pipeline-ffi 71.94% <ø> (ø)
libdd-common 79.41% <ø> (ø)
libdd-common-ffi 73.87% <ø> (ø)
libdd-telemetry 68.06% <ø> (ø)
libdd-telemetry-ffi 19.37% <ø> (ø)
libdd-dogstatsd-client 82.64% <ø> (ø)
datadog-ipc 76.31% <ø> (+0.04%) ⬆️
libdd-profiling 81.61% <ø> (ø)
libdd-profiling-ffi 64.36% <ø> (ø)
datadog-sidecar 29.34% <ø> (ø)
datdog-sidecar-ffi 8.41% <ø> (ø)
spawn-worker 54.69% <ø> (ø)
libdd-tinybytes 93.16% <ø> (ø)
libdd-trace-normalization 81.71% <ø> (ø)
libdd-trace-obfuscation 87.26% <ø> (ø)
libdd-trace-protobuf 68.25% <ø> (ø)
libdd-trace-utils 89.27% <ø> (ø)
libdd-tracer-flare 86.88% <ø> (ø)
libdd-log 74.69% <ø> (ø)
🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

@datadog-prod-us1-4
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datadog-prod-us1-4 Bot commented Apr 28, 2026

Tests

🎉 All green!

❄️ No new flaky tests detected
🧪 All tests passed

🎯 Code Coverage (details)
Patch Coverage: 100.00%
Overall Coverage: 71.78% (+0.00%)

This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 26355a1 | Docs | Datadog PR Page | Give us feedback!

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dd-octo-sts Bot commented Apr 28, 2026

Artifact Size Benchmark Report

aarch64-alpine-linux-musl
Artifact Baseline Commit Change
/aarch64-alpine-linux-musl/lib/libdatadog_profiling.so 7.63 MB 7.63 MB 0% (0 B) 👌
/aarch64-alpine-linux-musl/lib/libdatadog_profiling.a 83.31 MB 83.31 MB 0% (0 B) 👌
aarch64-unknown-linux-gnu
Artifact Baseline Commit Change
/aarch64-unknown-linux-gnu/lib/libdatadog_profiling.so 10.10 MB 10.10 MB 0% (0 B) 👌
/aarch64-unknown-linux-gnu/lib/libdatadog_profiling.a 99.42 MB 99.42 MB 0% (0 B) 👌
libdatadog-x64-windows
Artifact Baseline Commit Change
/libdatadog-x64-windows/debug/dynamic/datadog_profiling_ffi.dll 25.19 MB 25.19 MB 0% (0 B) 👌
/libdatadog-x64-windows/debug/dynamic/datadog_profiling_ffi.lib 79.90 KB 79.90 KB 0% (0 B) 👌
/libdatadog-x64-windows/debug/dynamic/datadog_profiling_ffi.pdb 184.49 MB 184.51 MB +0% (+16.00 KB) 👌
/libdatadog-x64-windows/debug/static/datadog_profiling_ffi.lib 918.37 MB 918.37 MB 0% (0 B) 👌
/libdatadog-x64-windows/release/dynamic/datadog_profiling_ffi.dll 7.89 MB 7.89 MB 0% (0 B) 👌
/libdatadog-x64-windows/release/dynamic/datadog_profiling_ffi.lib 79.90 KB 79.90 KB 0% (0 B) 👌
/libdatadog-x64-windows/release/dynamic/datadog_profiling_ffi.pdb 23.67 MB 23.67 MB 0% (0 B) 👌
/libdatadog-x64-windows/release/static/datadog_profiling_ffi.lib 46.19 MB 46.19 MB 0% (0 B) 👌
libdatadog-x86-windows
Artifact Baseline Commit Change
/libdatadog-x86-windows/debug/dynamic/datadog_profiling_ffi.dll 21.67 MB 21.67 MB 0% (0 B) 👌
/libdatadog-x86-windows/debug/dynamic/datadog_profiling_ffi.lib 81.14 KB 81.14 KB 0% (0 B) 👌
/libdatadog-x86-windows/debug/dynamic/datadog_profiling_ffi.pdb 188.62 MB 188.60 MB -0% (-16.00 KB) 👌
/libdatadog-x86-windows/debug/static/datadog_profiling_ffi.lib 904.02 MB 904.02 MB 0% (0 B) 👌
/libdatadog-x86-windows/release/dynamic/datadog_profiling_ffi.dll 6.13 MB 6.13 MB 0% (0 B) 👌
/libdatadog-x86-windows/release/dynamic/datadog_profiling_ffi.lib 81.14 KB 81.14 KB 0% (0 B) 👌
/libdatadog-x86-windows/release/dynamic/datadog_profiling_ffi.pdb 25.35 MB 25.35 MB 0% (0 B) 👌
/libdatadog-x86-windows/release/static/datadog_profiling_ffi.lib 43.67 MB 43.67 MB 0% (0 B) 👌
x86_64-alpine-linux-musl
Artifact Baseline Commit Change
/x86_64-alpine-linux-musl/lib/libdatadog_profiling.a 74.27 MB 74.27 MB 0% (0 B) 👌
/x86_64-alpine-linux-musl/lib/libdatadog_profiling.so 8.55 MB 8.55 MB 0% (0 B) 👌
x86_64-unknown-linux-gnu
Artifact Baseline Commit Change
/x86_64-unknown-linux-gnu/lib/libdatadog_profiling.a 91.78 MB 91.78 MB 0% (0 B) 👌
/x86_64-unknown-linux-gnu/lib/libdatadog_profiling.so 10.20 MB 10.20 MB 0% (0 B) 👌

@duncanpharvey duncanpharvey marked this pull request as ready for review April 28, 2026 15:31
@duncanpharvey duncanpharvey requested a review from a team as a code owner April 28, 2026 15:31
@duncanpharvey duncanpharvey requested review from a team, kathiehuang and vpellan and removed request for a team April 28, 2026 15:31
Comment thread libdd-library-config/src/tracer_metadata.rs Outdated
Co-authored-by: Yann Hamdaoui <yann.hamdaoui@gmail.com>
@duncanpharvey
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/merge

@gh-worker-devflow-routing-ef8351
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gh-worker-devflow-routing-ef8351 Bot commented Apr 28, 2026

View all feedbacks in Devflow UI.

2026-04-28 20:02:05 UTC ℹ️ Start processing command /merge


2026-04-28 20:02:11 UTC ℹ️ MergeQueue: pull request added to the queue

The expected merge time in main is approximately 44m (p90).


2026-04-28 20:40:55 UTCMergeQueue: The checks failed on this merge request

Tests failed on this commit 3a70226:

What to do next?

  • Investigate the failures and when ready, re-add your pull request to the queue!
  • If your PR checks are green, try to rebase/merge. It might be because the CI run is a bit old.
  • Any question, go check the FAQ.

@duncanpharvey
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/merge

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gh-worker-devflow-routing-ef8351 Bot commented Apr 29, 2026

View all feedbacks in Devflow UI.

2026-04-29 13:03:11 UTC ℹ️ Start processing command /merge


2026-04-29 13:03:18 UTC ℹ️ MergeQueue: waiting for PR to be ready

This pull request is not mergeable according to GitHub. Common reasons include pending required checks, missing approvals, or merge conflicts — but it could also be blocked by other repository rules or settings.
It will be added to the queue as soon as checks pass and/or get approvals. View in MergeQueue UI.
Note: if you pushed new commits since the last approval, you may need additional approval.
You can remove it from the waiting list with /remove command.


2026-04-29 13:39:11 UTC ℹ️ MergeQueue: merge request added to the queue

The expected merge time in main is approximately 44m (p90).


2026-04-29 14:23:07 UTC ℹ️ MergeQueue: Readding this merge request to the queue because another merge request processed with yours failed. No action is needed from your side.


2026-04-29 15:06:07 UTC ℹ️ MergeQueue: This merge request was merged

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4 participants