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gh-96143: Allow Linux perf profiler to see Python calls (GH-96123)

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⚠️  ⚠️ Note for reviewers, hackers and fellow systems/low-level/compiler engineers ⚠️ ⚠️ 

If you have a lot of experience with this kind of shenanigans and want to improve the **first** version, **please make a PR against my branch** or **reach out by email** or **suggest code changes directly on GitHub**. 

If you have any **refinements or optimizations** please, wait until the first version is merged before starting hacking or proposing those so we can keep this PR productive.
This commit is contained in:
Pablo Galindo Salgado 2022-08-30 18:11:18 +01:00 • committed by GitHub
parent 0f733fffe8
commit 6d791a9736
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24 changed files with 1412 additions and 2 deletions
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5
Modules/posixmodule.c
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@ -606,6 +606,11 @@ PyOS_AfterFork_Child(void)
}
assert(_PyThreadState_GET() == tstate);
status = _PyPerfTrampoline_AfterFork_Child();
if (_PyStatus_EXCEPTION(status)) {
goto fatal_error;
}
run_at_forkers(tstate->interp->after_forkers_child, 0);
return;