Improve object stats (#92845)

* Add incref/decref stats

* Show ratios for allocation in summary

2 files changed, 2 insertions, 49 deletions

diff --git a/Include/internal/pycore_code.h b/Include/internal/pycore_code.h
index e11d1f0..96cc9dc 100644
--- a/Include/internal/pycore_code.h
+++ b/Include/internal/pycore_code.h
@@ -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);
 
diff --git a/Include/internal/pycore_object.h b/Include/internal/pycore_object.h
index f022f82..cc50418 100644
--- a/Include/internal/pycore_object.h
+++ b/Include/internal/pycore_object.h
@@ -34,6 +34,7 @@ PyAPI_FUNC(void) _Py_NO_RETURN _Py_FatalRefcountErrorFunc(
 static inline void
 _Py_DECREF_SPECIALIZED(PyObject *op, const destructor destruct)
 {
+    _Py_DECREF_STAT_INC();
 #ifdef Py_REF_DEBUG
     _Py_RefTotal--;
 #endif
@@ -51,6 +52,7 @@ _Py_DECREF_SPECIALIZED(PyObject *op, const destructor destruct)
 static inline void
 _Py_DECREF_NO_DEALLOC(PyObject *op)
 {
+    _Py_DECREF_STAT_INC();
 #ifdef Py_REF_DEBUG
     _Py_RefTotal--;
 #endif