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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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6
Include/object.h
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@ -51,6 +51,8 @@ A standard interface exists for objects that contain an array of items
whose size is determined when the object is allocated.
*/
#include "pystats.h"
/* Py_DEBUG implies Py_REF_DEBUG. */
#if defined(Py_DEBUG) && !defined(Py_REF_DEBUG)
# define Py_REF_DEBUG
@ -490,6 +492,7 @@ PyAPI_FUNC(void) _Py_DecRef(PyObject *);
static inline void Py_INCREF(PyObject *op)
{
_Py_INCREF_STAT_INC();
#if defined(Py_REF_DEBUG) && defined(Py_LIMITED_API) && Py_LIMITED_API+0 >= 0x030A0000
// Stable ABI for Python 3.10 built in debug mode.
_Py_IncRef(op);
@ -506,7 +509,6 @@ static inline void Py_INCREF(PyObject *op)
# define Py_INCREF(op) Py_INCREF(_PyObject_CAST(op))
#endif
#if defined(Py_REF_DEBUG) && defined(Py_LIMITED_API) && Py_LIMITED_API+0 >= 0x030A0000
// Stable ABI for limited C API version 3.10 of Python debug build
static inline void Py_DECREF(PyObject *op) {
@ -517,6 +519,7 @@ static inline void Py_DECREF(PyObject *op) {
#elif defined(Py_REF_DEBUG)
static inline void Py_DECREF(const char *filename, int lineno, PyObject *op)
{
_Py_DECREF_STAT_INC();
_Py_RefTotal--;
if (--op->ob_refcnt != 0) {
if (op->ob_refcnt < 0) {
@ -532,6 +535,7 @@ static inline void Py_DECREF(const char *filename, int lineno, PyObject *op)
#else
static inline void Py_DECREF(PyObject *op)
{
_Py_DECREF_STAT_INC();
// Non-limited C API and limited C API for Python 3.9 and older access
// directly PyObject.ob_refcnt.
if (--op->ob_refcnt == 0) {