mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-12 18:02:39 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

gh-109329: Count tier2 opcode misses (#110561)

Browse source 
This keeps a separate 'miss' counter for each micro-opcode, incremented whenever a guard uop takes a deoptimization side exit.
This commit is contained in:
Michael Droettboom 2023-10-30 20:02:45 -04:00 • committed by GitHub
parent c6fe0869ab
commit 84b4533e84
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 9 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

3
Python/executor.c
View file

@ -25,6 +25,7 @@
#undef DEOPT_IF
#define DEOPT_IF(COND, INSTNAME) \
if ((COND)) { \
UOP_STAT_INC(INSTNAME, miss); \
goto deoptimize; \
}
@ -93,7 +94,7 @@ _PyUopExecute(_PyExecutorObject *executor, _PyInterpreterFrame *frame, PyObject
(int)(stack_pointer - _PyFrame_Stackbase(frame)));
pc++;
OPT_STAT_INC(uops_executed);
UOP_EXE_INC(opcode);
UOP_STAT_INC(opcode, execution_count);
#ifdef Py_STATS
trace_uop_execution_counter++;
#endif