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gh-118518: Allow perf to work without frame pointers (#112254)

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Pablo Galindo Salgado 2024-05-05 03:07:29 +02:00 • committed by GitHub
parent 999f0c5122
commit 1b22d801b8
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19 changed files with 892 additions and 39 deletions
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10
Python/sysmodule.c
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@ -2282,6 +2282,16 @@ sys_activate_stack_trampoline_impl(PyObject *module, const char *backend)
return NULL;
}
}
else if (strcmp(backend, "perfjit") == 0) {
_PyPerf_Callbacks cur_cb;
_PyPerfTrampoline_GetCallbacks(&cur_cb);
if (cur_cb.write_state != _Py_perfmap_jit_callbacks.write_state) {
if (_PyPerfTrampoline_SetCallbacks(&_Py_perfmap_jit_callbacks) < 0 ) {
PyErr_SetString(PyExc_ValueError, "can't activate perf jit trampoline");
return NULL;
}
}
}
}
else {
PyErr_Format(PyExc_ValueError, "invalid backend: %s", backend);