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Async profiler: V1 (TaskAsync) instrumentation + tests. - #129043

Merged

lateralusX merged 46 commits into

dotnet:mainfrom

lateralusX:lateralusX/async-profiler-asyncv1-support-v2

Jun 24, 2026

Merged

Async profiler: V1 (TaskAsync) instrumentation + tests.#129043
lateralusX merged 46 commits into
dotnet:mainfrom
lateralusX:lateralusX/async-profiler-asyncv1-support-v2

Commits on Jun 22, 2026
- First set of instrumentation of asyncv1, completing all 24 scenarios.
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  5426da9
- Instrument most async profiler events except callstacks.
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  b5457c2
- Implementing asyncv1 callstack support.
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  2a8368d
- Cleanup and instrumentation optimizations.
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  b761045
- Fixing inline resume method append frame logic.
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  c4ef92b
- Fixing double create emit on custom sync/scheduler scenarios.
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  279b4d1
- Added callstack merge capabilities to tests.
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  d9c5ed3
- Extend asyncv1 test suite.
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  739556b
- Native AOT adjustments around method id and state.
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  ee1f33f
- Don't emit append event for last continuation when method events are enabled.
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  2976e50
- Add single threaded asyncv1 smoke test.
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  8dd1b72
- Drop suspend event on asyncv1.
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  8b3fee2
- Major async profiler tests refactory, split into v1 and v2.
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  ad0cbee
- Some more test cleanup.
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  248080b
- Add ValueTask tests to asyncv2.
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  9780296
- Port some asyncv1 tests to asyncv2.
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  8d61bf3
- Adjustments.
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  77c0837
- Move TStateMachineDiagnosticData into own file + enable V1 on Mono.
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  357cf37
- Fix compile on Mono + added instrumentation checkpoint to diag data.
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  80811e3
- Wire reset context event for both v1 and v2.
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  6ede146
- Fix handling of generic test methods.
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  d60fdcc
- Review feedback.
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  a4cb95b
- Include wrapper index in callstack events.
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  06ea01b
- Drop state for async v2 callstacks.
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  39b50f2
- Enable debug output for some failing tests.
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  e5a96e3
- Fix some tests.
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  60ed372
- Split asyncv2 and asyncv1 event ids.
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  feab698
- Adjust test and enable dump on failing test.
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  ba3d168
- Add support for parent dispatcher and dispatcher id for v1/v2 create events.
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  committed
  e142efe
- Streamline dispatcher id implementation.
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  93f4613
- Add event manifest to support per event versioning.
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  4ce8923
- Enable logging on failing tests.
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  79bdf05
- Fix Mono build.
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  committed
  dda0281
- Disable NAOT and fix some more tests.
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  committed
  dfbd823
- Add a couple of more tests + isolate v1/v2 test chains.
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  98a4c0d
- Use custom asserts to dump all captured events on failure.
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  54f5b3f
- Fix stable event sort order + harden RuntimeAsync_WhenAll_TracksAllBranches.
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  committed
  e603139
- Split V1 and V2 keywords + update naming.
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  committed
  161776e
- Share current continuation in profiler TLS storage.
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  committed
  1de2c3a
- Added support for suspend context on v1.
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  committed
  d847d91
- Fix all keyword handling.
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  50015ae
- Add 3 new v1 tests scenarios, inline resume vs pooled resume.
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  committed
  0edf9d1
Commits on Jun 23, 2026
- Fix callstack overflow size calculation and handling.
  lateralusX
  committed
  3253b9b
- Disable mixed v1/v2 tests on Native AOT.
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  329c1c3
- Harden callstack overflow test.
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  committed
  b527521
- Don't fire append callstack on callstack truncation.
  lateralusX
  committed
  bb2044b

Commits

Commits on Jun 22, 2026

Commits on Jun 23, 2026