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Implement PEP 831 – Frame Pointers Everywhere: Enabling System-Level Observability for Python #149202
Description
Linked PRs
- gh-149202: Implement PEP 831 – Frame Pointers Everywhere: Enabling System-Level Observability for Python #149201
- gh-149202: Fix frame pointer unwinding on s390x and ARM #149362
- gh-149202: Highlight PEP 831 in What's New for Python 3.15 #149390
- gh-149202: Fix frame pointer unwinding on ppc64le and armv7/clang #149409
- gh-149202: Don't use -fno-omit-frame-pointer on ppc64le #149485
Activity
gh-149202: Implement PEP 831 – Frame Pointers Everywhere: Enabling Sy…
hugovk commentedon May 2, 2026
Done in #149201 🚀
pythongh-149202: Fix frame pointer unwinding on s390x and ARM
pythongh-149202: Fix frame pointer unwinding on s390x and ARM
pythongh-149202: Fix frame pointer unwinding on s390x and ARM
pythongh-149202: Fix frame pointer unwinding on s390x and ARM
pythongh-149202: Highlight PEP 831 in What's New for Python 3.15
gh-149202: Highlight PEP 831 in What's New for Python 3.15 (#149390)
gh-149202: Fix frame pointer unwinding on s390x and ARM (GH-149362)
gh-149202: Fix frame pointer unwinding on ppc64le and armv7/clang (#1…
pythongh-149202: Don't use -fno-omit-frame-pointer on ppc64le
encukou commentedon May 7, 2026
We can fix this on unstable buildbots too:
Given that most architectures need to tweak
FRAME_POINTER_NEXT_OFFSET&FRAME_POINTER_RETURN_OFFSET, and it looks like those are the only things that need tweaking, would it make sense to set them in configure/pyconfig.h, like_Py_STACK_GROWS_DOWN?gh-149202: Don't use -fno-omit-frame-pointer on ppc64le (#149485)