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Title: Implement PEP 799 – A dedicated profiling package for organizing Python profiling tools · Issue #138122 · python/cpython · GitHub

Open Graph Title: Implement PEP 799 – A dedicated profiling package for organizing Python profiling tools · Issue #138122 · python/cpython

X Title: Implement PEP 799 – A dedicated profiling package for organizing Python profiling tools · Issue #138122 · python/cpython

Description: Issue to collect all PRs for the implementation of PEP-799 Linked PRs gh-138142 gh-138389 gh-139216 gh-140156 gh-141813 gh-141897 gh-141900 gh-141912 gh-141934 gh-142116 gh-142137 gh-142157 gh-142288 gh-142360 gh-142382 gh-142394 gh-1424...

Open Graph Description: Issue to collect all PRs for the implementation of PEP-799 Linked PRs gh-138142 gh-138389 gh-139216 gh-140156 gh-141813 gh-141897 gh-141900 gh-141912 gh-141934 gh-142116 gh-142137 gh-142157 gh-1422...

X Description: Issue to collect all PRs for the implementation of PEP-799 Linked PRs gh-138142 gh-138389 gh-139216 gh-140156 gh-141813 gh-141897 gh-141900 gh-141912 gh-141934 gh-142116 gh-142137 gh-142157 gh-1422...

Opengraph URL: https://github.com/python/cpython/issues/138122

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Implement PEP 799 – A dedicated profiling package for organizing Python profiling toolshttps://github.com/python/cpython/issues/138122#top
3.15new features, bugs and security fixeshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.15%22
stdlibStandard Library Python modules in the Lib/ directoryhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22stdlib%22
topic-profilinghttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22topic-profiling%22
triagedThe issue has been accepted as valid by a triager.https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22triaged%22
type-featureA feature request or enhancementhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-feature%22
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on Aug 24, 2025https://github.com/python/cpython/issues/138122#issue-3349958233
PEP-799https://peps.python.org/799
gh-138122: Implement PEP 799 #138142https://github.com/python/cpython/pull/138142
gh-138122: Use profiling.sampling in the documentation (PEP 799) #138389https://github.com/python/cpython/pull/138389
gh-138122: Allow to filter by thread in tachyon's flamegraph #139216https://github.com/python/cpython/pull/139216
gh-138122: Improve the profiling section in the 3.15 what's new document #140156https://github.com/python/cpython/pull/140156
gh-138122: Refactor the CLI of profiling.sampling into subcommands #141813https://github.com/python/cpython/pull/141813
gh-138122: Fix permission error detection in tachyon's test #141897https://github.com/python/cpython/pull/141897
gh-138122: Add thread status statistics to flamegraph profiler #141900https://github.com/python/cpython/pull/141900
gh-138122: Don't sample partial frame chains #141912https://github.com/python/cpython/pull/141912
gh-138122: Split Modules/_remote_debugging_module.c into multiple files #141934https://github.com/python/cpython/pull/141934
gh-138122: New Tachyon UI #142116https://github.com/python/cpython/pull/142116
gh-138122: Implement frame caching in RemoteUnwinder to reduce memory reads #142137https://github.com/python/cpython/pull/142137
gh-138122: Small fixes to the new tachyon UI #142157https://github.com/python/cpython/pull/142157
gh-138122: Add inverted flamegraph #142288https://github.com/python/cpython/pull/142288
gh-138122: Integrate live profiler TUI with _colorize theming system #142360https://github.com/python/cpython/pull/142360
gh-138122: Make sampling profiler integration tests more resilient #142382https://github.com/python/cpython/pull/142382
gh-138122: Make the tachyon profiler opcode-aware #142394https://github.com/python/cpython/pull/142394
gh-138122: Fix unused variable warning in threads.c #142425https://github.com/python/cpython/pull/142425
gh-138122: Add exception profiling mode to the sampling profiler #142561https://github.com/python/cpython/pull/142561
gh-138122: Make Tachyon flamegraph and heatmap output more similar #142590https://github.com/python/cpython/pull/142590
gh-138122: Tachyon heatmap: Make toggle switches keyboard accessible #142601https://github.com/python/cpython/pull/142601
gh-138122: Add code examples to the profiling.sampling ddocs #142609https://github.com/python/cpython/pull/142609
gh-138122: Add docs button to Tachyon heatmap and flamegraph #142614https://github.com/python/cpython/pull/142614
gh-138122: Add --subprocesses flag to profile child processes in tachyon #142636https://github.com/python/cpython/pull/142636
GH-141565: Add async code awareness to Tachyon #141533https://github.com/python/cpython/pull/141533
gh-138122: Tachyon Flamegraph: Make toggle keyboard accesible and adjust sidebar collapse CSS #142638https://github.com/python/cpython/pull/142638
GH-142646: Update Tachyon to use backtick formatting in CLI help #142647https://github.com/python/cpython/pull/142647
GH-142591: Tachyon does not handle non-existent file/module #142592https://github.com/python/cpython/pull/142592
gh-138122: Add some screenshots to the profiling.sampling docs #142676https://github.com/python/cpython/pull/142676
gh-138122: Fix sample counting for filtered profiling modes #142677https://github.com/python/cpython/pull/142677
gh-138122: Allow tachyon to write and read binary output #142730https://github.com/python/cpython/pull/142730
gh-138122: Add sampling profiler visualisation to docs #142772https://github.com/python/cpython/pull/142772
gh-138122: Update Tachyon dark theme colors #142841https://github.com/python/cpython/pull/142841
gh-138122: Validate base frame before caching in remote debugging frame cache #142852https://github.com/python/cpython/pull/142852
gh-138122: Improve bytecode panel #142910https://github.com/python/cpython/pull/142910
gh-138122: Add blocking mode for accurate stack traces in Tachyon #142998https://github.com/python/cpython/pull/142998
gh-138122: Replace --interval with --sampling-rate #143085https://github.com/python/cpython/pull/143085
gh-138122: Extend binary profiling format with full source location and opcode #143088https://github.com/python/cpython/pull/143088
gh-138122: Remove default duration for statistical profiling #143174https://github.com/python/cpython/pull/143174
gh-138122: Convert GIL/GC/exception stats from tiles to progress bars #143177https://github.com/python/cpython/pull/143177
gh-142927: Auto-open HTML output in browser after generation #143178https://github.com/python/cpython/pull/143178
gh-138122: fix AC warnings in Modules/_remote_debugging/module.c #143218https://github.com/python/cpython/pull/143218
gh-138122: Move local imports to module level in sampling profiler #143257https://github.com/python/cpython/pull/143257
gh-138122: Skip threads on EPERM in blocking mode profiler #143368https://github.com/python/cpython/pull/143368
gh-138122: Default highlight to sh #143782https://github.com/python/cpython/pull/143782
3.15new features, bugs and security fixeshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.15%22
stdlibStandard Library Python modules in the Lib/ directoryhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22stdlib%22
topic-profilinghttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22topic-profiling%22
triagedThe issue has been accepted as valid by a triager.https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22triaged%22
type-featureA feature request or enhancementhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-feature%22
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