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gh-107674: Improve performance of sys.settrace (GH-117133)

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* Check tracing in RESUME_CHECK

* Only change to RESUME_CHECK if not tracing
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Tian Gao 2024-05-03 11:49:24 -07:00 • committed by GitHub
parent 998c3856c1
commit 9c14ed0618
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7 changed files with 63 additions and 52 deletions
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16
Python/ceval_macros.h
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@ -358,12 +358,16 @@ do { \
// for an exception handler, displaying the traceback, and so on
#define INSTRUMENTED_JUMP(src, dest, event) \
do { \
_PyFrame_SetStackPointer(frame, stack_pointer); \
next_instr = _Py_call_instrumentation_jump(tstate, event, frame, src, dest); \
stack_pointer = _PyFrame_GetStackPointer(frame); \
if (next_instr == NULL) { \
next_instr = (dest)+1; \
goto error; \
if (tstate->tracing) {\
next_instr = dest; \
} else { \
_PyFrame_SetStackPointer(frame, stack_pointer); \
next_instr = _Py_call_instrumentation_jump(tstate, event, frame, src, dest); \
stack_pointer = _PyFrame_GetStackPointer(frame); \
if (next_instr == NULL) { \
next_instr = (dest)+1; \
goto error; \
} \
} \
} while (0);