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Improve object stats (#92845)

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* Add incref/decref stats

* Show ratios for allocation in summary
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Mark Shannon 2022-05-16 14:35:11 +01:00 • committed by GitHub
parent f6fd8aac13
commit fa2b8b75eb
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10 changed files with 106 additions and 55 deletions
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49
Include/internal/pycore_code.h
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@ -265,53 +265,6 @@ extern int _PyStaticCode_InternStrings(PyCodeObject *co);
#ifdef Py_STATS
#define SPECIALIZATION_FAILURE_KINDS 30
typedef struct _specialization_stats {
uint64_t success;
uint64_t failure;
uint64_t hit;
uint64_t deferred;
uint64_t miss;
uint64_t deopt;
uint64_t failure_kinds[SPECIALIZATION_FAILURE_KINDS];
} SpecializationStats;
typedef struct _opcode_stats {
SpecializationStats specialization;
uint64_t execution_count;
uint64_t pair_count[256];
} OpcodeStats;
typedef struct _call_stats {
uint64_t inlined_py_calls;
uint64_t pyeval_calls;
uint64_t frames_pushed;
uint64_t frame_objects_created;
} CallStats;
typedef struct _object_stats {
uint64_t allocations;
uint64_t allocations512;
uint64_t allocations4k;
uint64_t allocations_big;
uint64_t frees;
uint64_t to_freelist;
uint64_t from_freelist;
uint64_t new_values;
uint64_t dict_materialized_on_request;
uint64_t dict_materialized_new_key;
uint64_t dict_materialized_too_big;
uint64_t dict_materialized_str_subclass;
} ObjectStats;
typedef struct _stats {
OpcodeStats opcode_stats[256];
CallStats call_stats;
ObjectStats object_stats;
} PyStats;
extern PyStats _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--
@ -321,8 +274,6 @@ extern PyStats _py_stats;
#define OBJECT_STAT_INC_COND(name, cond) \
do { if (cond) _py_stats.object_stats.name++; } while (0)
extern void _Py_PrintSpecializationStats(int to_file);
// Used by the _opcode extension which is built as a shared library
PyAPI_FUNC(PyObject*) _Py_GetSpecializationStats(void);