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| author | Erlend E. Aasland <erlend.aasland@protonmail.com> | 2022-10-27 13:06:48 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-10-27 13:06:48 (GMT) |
| commit | 723ebe76e787cfa6b08cc9587dd679f3234a1025 (patch) | |
| tree | 6e46cce9595e7411b5dfdf83fb05b6536baf325b /Doc/whatsnew | |
| parent | 22863df7ca5f9cd01a40ab3dce3d067ec5666081 (diff) | |
| download | cpython-723ebe76e787cfa6b08cc9587dd679f3234a1025.zip cpython-723ebe76e787cfa6b08cc9587dd679f3234a1025.tar.gz cpython-723ebe76e787cfa6b08cc9587dd679f3234a1025.tar.bz2 | |
gh-96143: Improve perf profiler docs (#96445)
Diffstat (limited to 'Doc/whatsnew')
| -rw-r--r-- | Doc/whatsnew/3.12.rst | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst index 8f8a994..39ad3ac 100644 --- a/Doc/whatsnew/3.12.rst +++ b/Doc/whatsnew/3.12.rst @@ -74,6 +74,15 @@ Important deprecations, removals or restrictions: New Features ============ +* Add :ref:`perf_profiling` through the new + environment variable :envvar:`PYTHONPERFSUPPORT`, + the new command-line option :option:`-X perf <-X>`, + as well as the new :func:`sys.activate_stack_trampoline`, + :func:`sys.deactivate_stack_trampoline`, + and :func:`sys.is_stack_trampoline_active` APIs. + (Design by Pablo Galindo. Contributed by Pablo Galindo and Christian Heimes + with contributions from Gregory P. Smith [Google] and Mark Shannon + in :gh:`96123`.) Other Language Changes @@ -194,6 +203,19 @@ tempfile The :class:`tempfile.NamedTemporaryFile` function has a new optional parameter *delete_on_close* (Contributed by Evgeny Zorin in :gh:`58451`.) +sys +--- + +* Add :func:`sys.activate_stack_trampoline` and + :func:`sys.deactivate_stack_trampoline` for activating and deactivating + stack profiler trampolines, + and :func:`sys.is_stack_trampoline_active` for querying if stack profiler + trampolines are active. + (Contributed by Pablo Galindo and Christian Heimes + with contributions from Gregory P. Smith [Google] and Mark Shannon + in :gh:`96123`.) + + Optimizations ============= |