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GH-109369: Add machinery for deoptimizing tier2 executors, both individually and globally. (GH-110384)

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Mark Shannon 2023-10-23 14:49:09 +01:00 • committed by GitHub
parent 32c37fe1ba
commit 52e902ccf0
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7 changed files with 353 additions and 2 deletions
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Python/instrumentation.c
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@ -1582,6 +1582,7 @@ _Py_Instrument(PyCodeObject *code, PyInterpreterState *interp)
if (code->co_executors != NULL) {
_PyCode_Clear_Executors(code);
}
_Py_Executors_InvalidateDependency(interp, code);
int code_len = (int)Py_SIZE(code);
/* code->_co_firsttraceable >= code_len indicates
* that no instrumentation can be inserted.
@ -1803,6 +1804,7 @@ _PyMonitoring_SetEvents(int tool_id, _PyMonitoringEventSet events)
return -1;
}
set_global_version(interp, new_version);
_Py_Executors_InvalidateAll(interp);
return instrument_all_executing_code_objects(interp);
}
@ -1832,6 +1834,7 @@ _PyMonitoring_SetLocalEvents(PyCodeObject *code, int tool_id, _PyMonitoringEvent
/* Force instrumentation update */
code->_co_instrumentation_version -= MONITORING_VERSION_INCREMENT;
}
_Py_Executors_InvalidateDependency(interp, code);
if (_Py_Instrument(code, interp)) {
return -1;
}