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Code Issues Projects Releases Packages Wiki Activity Actions 11

gh-96143: Improve perf profiler docs (#96445)

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Erlend E. Aasland 2022-10-27 15:06:48 +02:00 • committed by GitHub
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Doc/whatsnew/3.12.rst
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@ -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
=============