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Issue #14785: Add sys._debugmallocstats() to help debug low-level memory allocation issues

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This commit is contained in:
David Malcolm 2012-06-22 14:55:41 -04:00
parent 69cf913ba1
commit 49526f48fc
24 changed files with 217 additions and 35 deletions
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1
Include/dictobject.h
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@ -111,6 +111,7 @@ PyAPI_FUNC(int) PyDict_DelItemString(PyObject *dp, const char *key);
#ifndef Py_LIMITED_API
int _PyObjectDict_SetItem(PyTypeObject *tp, PyObject **dictptr, PyObject *name, PyObject *value);
PyObject *_PyDict_LoadGlobal(PyDictObject *, PyDictObject *, PyObject *);
PyAPI_FUNC(void) _PyDict_DebugMallocStats(FILE *out);
#endif
#ifdef __cplusplus

2
Include/floatobject.h
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@ -110,6 +110,8 @@ PyAPI_FUNC(double) _PyFloat_Unpack8(const unsigned char *p, int le);
/* free list api */
PyAPI_FUNC(int) PyFloat_ClearFreeList(void);
PyAPI_FUNC(void) _PyFloat_DebugMallocStats(FILE* out);
/* Format the object based on the format_spec, as defined in PEP 3101
(Advanced String Formatting). */
PyAPI_FUNC(int) _PyFloat_FormatAdvancedWriter(

2
Include/frameobject.h
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@ -79,6 +79,8 @@ PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *);
PyAPI_FUNC(int) PyFrame_ClearFreeList(void);
PyAPI_FUNC(void) _PyFrame_DebugMallocStats(FILE *out);
/* Return the line of code the frame is currently executing. */
PyAPI_FUNC(int) PyFrame_GetLineNumber(PyFrameObject *);

1
Include/listobject.h
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@ -64,6 +64,7 @@ PyAPI_FUNC(PyObject *) PyList_AsTuple(PyObject *);
PyAPI_FUNC(PyObject *) _PyList_Extend(PyListObject *, PyObject *);
PyAPI_FUNC(int) PyList_ClearFreeList(void);
PyAPI_FUNC(void) _PyList_DebugMallocStats(FILE *out);
#endif
/* Macro, trading safety for speed */

5
Include/methodobject.h
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@ -82,6 +82,11 @@ typedef struct {
PyAPI_FUNC(int) PyCFunction_ClearFreeList(void);
#ifndef Py_LIMITED_API
PyAPI_FUNC(void) _PyCFunction_DebugMallocStats(FILE *out);
PyAPI_FUNC(void) _PyMethod_DebugMallocStats(FILE *out);
#endif
#ifdef __cplusplus
}
#endif

8
Include/object.h
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@ -977,6 +977,14 @@ PyAPI_DATA(PyObject *) _PyTrash_delete_later;
else \
_PyTrash_deposit_object((PyObject*)op);
#ifndef Py_LIMITED_API
PyAPI_FUNC(void)
_PyDebugAllocatorStats(FILE *out, const char *block_name, int num_blocks,
size_t sizeof_block);
PyAPI_FUNC(void)
_PyObject_DebugTypeStats(FILE *out);
#endif /* ifndef Py_LIMITED_API */
#ifdef __cplusplus
}
#endif

4
Include/objimpl.h
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@ -101,13 +101,15 @@ PyAPI_FUNC(void) PyObject_Free(void *);
/* Macros */
#ifdef WITH_PYMALLOC
#ifndef Py_LIMITED_API
PyAPI_FUNC(void) _PyObject_DebugMallocStats(FILE *out);
#endif /* #ifndef Py_LIMITED_API */
#ifdef PYMALLOC_DEBUG /* WITH_PYMALLOC && PYMALLOC_DEBUG */
PyAPI_FUNC(void *) _PyObject_DebugMalloc(size_t nbytes);
PyAPI_FUNC(void *) _PyObject_DebugRealloc(void *p, size_t nbytes);
PyAPI_FUNC(void) _PyObject_DebugFree(void *p);
PyAPI_FUNC(void) _PyObject_DebugDumpAddress(const void *p);
PyAPI_FUNC(void) _PyObject_DebugCheckAddress(const void *p);
PyAPI_FUNC(void) _PyObject_DebugMallocStats(void);
PyAPI_FUNC(void *) _PyObject_DebugMallocApi(char api, size_t nbytes);
PyAPI_FUNC(void *) _PyObject_DebugReallocApi(char api, void *p, size_t nbytes);
PyAPI_FUNC(void) _PyObject_DebugFreeApi(char api, void *p);

1
Include/setobject.h
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@ -101,6 +101,7 @@ PyAPI_FUNC(PyObject *) PySet_Pop(PyObject *set);
PyAPI_FUNC(int) _PySet_Update(PyObject *set, PyObject *iterable);
PyAPI_FUNC(int) PySet_ClearFreeList(void);
PyAPI_FUNC(void) _PySet_DebugMallocStats(FILE *out);
#endif
#ifdef __cplusplus

3
Include/tupleobject.h
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@ -63,6 +63,9 @@ PyAPI_FUNC(void) _PyTuple_MaybeUntrack(PyObject *);
#endif
PyAPI_FUNC(int) PyTuple_ClearFreeList(void);
#ifndef Py_LIMITED_API
PyAPI_FUNC(void) _PyTuple_DebugMallocStats(FILE *out);
#endif /* Py_LIMITED_API */
#ifdef __cplusplus
}