Library import 16 (#2433)

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1 files changed, 110 insertions, 0 deletions

diff --git a/contrib/tools/python3/Include/pystats.h b/contrib/tools/python3/Include/pystats.h
new file mode 100644
index 0000000000..4b961bad2a
--- /dev/null
+++ b/contrib/tools/python3/Include/pystats.h
@@ -0,0 +1,110 @@
+
+
+#ifndef Py_PYSTATS_H
+#define Py_PYSTATS_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef Py_STATS
+
+#define SPECIALIZATION_FAILURE_KINDS 36
+
+/* Stats for determining who is calling PyEval_EvalFrame */
+#define EVAL_CALL_TOTAL 0
+#define EVAL_CALL_VECTOR 1
+#define EVAL_CALL_GENERATOR 2
+#define EVAL_CALL_LEGACY 3
+#define EVAL_CALL_FUNCTION_VECTORCALL 4
+#define EVAL_CALL_BUILD_CLASS 5
+#define EVAL_CALL_SLOT 6
+#define EVAL_CALL_FUNCTION_EX 7
+#define EVAL_CALL_API 8
+#define EVAL_CALL_METHOD 9
+
+#define EVAL_CALL_KINDS 10
+
+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;
+    uint64_t eval_calls[EVAL_CALL_KINDS];
+} CallStats;
+
+typedef struct _object_stats {
+    uint64_t increfs;
+    uint64_t decrefs;
+    uint64_t interpreter_increfs;
+    uint64_t interpreter_decrefs;
+    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;
+    uint64_t type_cache_hits;
+    uint64_t type_cache_misses;
+    uint64_t type_cache_dunder_hits;
+    uint64_t type_cache_dunder_misses;
+    uint64_t type_cache_collisions;
+} ObjectStats;
+
+typedef struct _stats {
+    OpcodeStats opcode_stats[256];
+    CallStats call_stats;
+    ObjectStats object_stats;
+} PyStats;
+
+
+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() 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() 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
+
+#else
+
+#define _Py_INCREF_STAT_INC() ((void)0)
+#define _Py_DECREF_STAT_INC() ((void)0)
+
+#endif  // !Py_STATS
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_PYSTATs_H */