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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
parent 22863df7ca
commit 723ebe76e7
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6 changed files with 118 additions and 50 deletions
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14
Python/sysmodule.c
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@ -2127,12 +2127,12 @@ sys.activate_stack_trampoline
backend: str
/
Activate the perf profiler trampoline.
Activate stack profiler trampoline *backend*.
[clinic start generated code]*/
static PyObject *
sys_activate_stack_trampoline_impl(PyObject *module, const char *backend)
/*[clinic end generated code: output=5783cdeb51874b43 input=b09020e3a17c78c5]*/
/*[clinic end generated code: output=5783cdeb51874b43 input=a12df928758a82b4]*/
{
#ifdef PY_HAVE_PERF_TRAMPOLINE
if (strcmp(backend, "perf") == 0) {
@ -2163,12 +2163,14 @@ sys_activate_stack_trampoline_impl(PyObject *module, const char *backend)
/*[clinic input]
sys.deactivate_stack_trampoline
Dectivate the perf profiler trampoline.
Deactivate the current stack profiler trampoline backend.
If no stack profiler is activated, this function has no effect.
[clinic start generated code]*/
static PyObject *
sys_deactivate_stack_trampoline_impl(PyObject *module)
/*[clinic end generated code: output=b50da25465df0ef1 input=491f4fc1ed615736]*/
/*[clinic end generated code: output=b50da25465df0ef1 input=9f629a6be9fe7fc8]*/
{
if (_PyPerfTrampoline_Init(0) < 0) {
return NULL;
@ -2179,12 +2181,12 @@ sys_deactivate_stack_trampoline_impl(PyObject *module)
/*[clinic input]
sys.is_stack_trampoline_active
Returns *True* if the perf profiler trampoline is active.
Return *True* if a stack profiler trampoline is active.
[clinic start generated code]*/
static PyObject *
sys_is_stack_trampoline_active_impl(PyObject *module)
/*[clinic end generated code: output=ab2746de0ad9d293 input=061fa5776ac9dd59]*/
/*[clinic end generated code: output=ab2746de0ad9d293 input=29616b7bf6a0b703]*/
{
#ifdef PY_HAVE_PERF_TRAMPOLINE
if (_PyIsPerfTrampolineActive()) {