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

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This keeps a separate 'miss' counter for each micro-opcode, incremented whenever a guard uop takes a deoptimization side exit.
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Michael Droettboom 2023-10-30 20:02:45 -04:00 • committed by GitHub
parent c6fe0869ab
commit 84b4533e84
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5 changed files with 9 additions and 4 deletions
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Include/internal/pycore_code.h
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@ -283,7 +283,7 @@ extern int _PyStaticCode_Init(PyCodeObject *co);
do { if (_Py_stats && PyFunction_Check(callable)) _Py_stats->call_stats.eval_calls[name]++; } while (0)
#define GC_STAT_ADD(gen, name, n) do { if (_Py_stats) _Py_stats->gc_stats[(gen)].name += (n); } while (0)
#define OPT_STAT_INC(name) do { if (_Py_stats) _Py_stats->optimization_stats.name++; } while (0)
#define UOP_EXE_INC(opname) do { if (_Py_stats) _Py_stats->optimization_stats.opcode[opname].execution_count++; } while (0)
#define UOP_STAT_INC(opname, name) do { if (_Py_stats) { assert(opname < 512); _Py_stats->optimization_stats.opcode[opname].name++; } } while (0)
#define OPT_UNSUPPORTED_OPCODE(opname) do { if (_Py_stats) _Py_stats->optimization_stats.unsupported_opcode[opname]++; } while (0)
#define OPT_HIST(length, name) \
do { \
@ -308,7 +308,7 @@ PyAPI_FUNC(PyObject*) _Py_GetSpecializationStats(void);
#define EVAL_CALL_STAT_INC_IF_FUNCTION(name, callable) ((void)0)
#define GC_STAT_ADD(gen, name, n) ((void)0)
#define OPT_STAT_INC(name) ((void)0)
#define UOP_EXE_INC(opname) ((void)0)
#define UOP_STAT_INC(opname, name) ((void)0)
#define OPT_UNSUPPORTED_OPCODE(opname) ((void)0)
#define OPT_HIST(length, name) ((void)0)
#endif // !Py_STATS