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GH-93841: Allow stats to be turned on and off, cleared and dumped at runtime. (GH-93843)

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Mark Shannon 2022-06-21 15:40:54 +01:00 • committed by GitHub
parent c7a79bb036
commit 6f8875eba3
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7 changed files with 212 additions and 22 deletions
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16
Include/internal/pycore_code.h
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@ -259,16 +259,16 @@ extern int _PyStaticCode_InternStrings(PyCodeObject *co);
#ifdef Py_STATS
#define STAT_INC(opname, name) _py_stats.opcode_stats[(opname)].specialization.name++
#define STAT_DEC(opname, name) _py_stats.opcode_stats[(opname)].specialization.name--
#define OPCODE_EXE_INC(opname) _py_stats.opcode_stats[(opname)].execution_count++
#define CALL_STAT_INC(name) _py_stats.call_stats.name++
#define OBJECT_STAT_INC(name) _py_stats.object_stats.name++
#define STAT_INC(opname, name) do { if (_py_stats) _py_stats->opcode_stats[opname].specialization.name++; } while (0)
#define STAT_DEC(opname, name) do { if (_py_stats) _py_stats->opcode_stats[opname].specialization.name--; } while (0)
#define OPCODE_EXE_INC(opname) do { if (_py_stats) _py_stats->opcode_stats[opname].execution_count++; } while (0)
#define CALL_STAT_INC(name) do { if (_py_stats) _py_stats->call_stats.name++; } while (0)
#define OBJECT_STAT_INC(name) do { if (_py_stats) _py_stats->object_stats.name++; } while (0)
#define OBJECT_STAT_INC_COND(name, cond) \
do { if (cond) _py_stats.object_stats.name++; } while (0)
#define EVAL_CALL_STAT_INC(name) _py_stats.call_stats.eval_calls[(name)]++
do { if (_py_stats && cond) _py_stats->object_stats.name++; } while (0)
#define EVAL_CALL_STAT_INC(name) do { if (_py_stats) _py_stats->call_stats.eval_calls[name]++; } while (0)
#define EVAL_CALL_STAT_INC_IF_FUNCTION(name, callable) \
do { if (PyFunction_Check(callable)) _py_stats.call_stats.eval_calls[(name)]++; } while (0)
do { if (_py_stats && PyFunction_Check(callable)) _py_stats->call_stats.eval_calls[name]++; } while (0)
// Used by the _opcode extension which is built as a shared library
PyAPI_FUNC(PyObject*) _Py_GetSpecializationStats(void);

13
Include/pystats.h
View file

@ -73,19 +73,22 @@ typedef struct _stats {
ObjectStats object_stats;
} PyStats;
PyAPI_DATA(PyStats) _py_stats;
PyAPI_DATA(PyStats) _py_stats_struct;
PyAPI_DATA(PyStats *) _py_stats;
extern void _Py_StatsClear(void);
extern void _Py_PrintSpecializationStats(int to_file);
#ifdef _PY_INTERPRETER
#define _Py_INCREF_STAT_INC() _py_stats.object_stats.interpreter_increfs++
#define _Py_DECREF_STAT_INC() _py_stats.object_stats.interpreter_decrefs++
#define _Py_INCREF_STAT_INC() do { if (_py_stats) _py_stats->object_stats.interpreter_increfs++; } while (0)
#define _Py_DECREF_STAT_INC() do { if (_py_stats) _py_stats->object_stats.interpreter_decrefs++; } while (0)
#else
#define _Py_INCREF_STAT_INC() _py_stats.object_stats.increfs++
#define _Py_DECREF_STAT_INC() _py_stats.object_stats.decrefs++
#define _Py_INCREF_STAT_INC() do { if (_py_stats) _py_stats->object_stats.increfs++; } while (0)
#define _Py_DECREF_STAT_INC() do { if (_py_stats) _py_stats->object_stats.decrefs++; } while (0)
#endif