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add a sys._debugmallocstats() function (patch 147)

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* Fri Sep 16 2011 David Malcolm <dmalcolm@redhat.com> - 3.2.2-6
- add a sys._debugmallocstats() function (patch 147)
This commit is contained in:
David Malcolm 2011-09-16 19:28:20 -04:00
parent b8f92b4cd5
commit ab415c6cdd
2 changed files with 600 additions and 1 deletions
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@ -0,0 +1,590 @@
diff -up Python-3.2.2/Include/dictobject.h.add-debug-malloc-stats Python-3.2.2/Include/dictobject.h
--- Python-3.2.2/Include/dictobject.h.add-debug-malloc-stats 2011-09-03 12:16:40.000000000 -0400
+++ Python-3.2.2/Include/dictobject.h 2011-09-16 18:57:24.969825060 -0400
@@ -156,6 +156,8 @@ PyAPI_FUNC(PyObject *) PyDict_GetItemStr
PyAPI_FUNC(int) PyDict_SetItemString(PyObject *dp, const char *key, PyObject *item);
PyAPI_FUNC(int) PyDict_DelItemString(PyObject *dp, const char *key);
+PyAPI_FUNC(void) _PyDict_DebugMallocStats(FILE *out);
+
#ifdef __cplusplus
}
#endif
diff -up Python-3.2.2/Include/floatobject.h.add-debug-malloc-stats Python-3.2.2/Include/floatobject.h
--- Python-3.2.2/Include/floatobject.h.add-debug-malloc-stats 2011-09-03 12:16:40.000000000 -0400
+++ Python-3.2.2/Include/floatobject.h 2011-09-16 18:57:24.970825060 -0400
@@ -110,6 +110,8 @@ PyAPI_FUNC(double) _PyFloat_Unpack8(cons
/* 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(PyObject *) _PyFloat_FormatAdvanced(PyObject *obj,
diff -up Python-3.2.2/Include/frameobject.h.add-debug-malloc-stats Python-3.2.2/Include/frameobject.h
--- Python-3.2.2/Include/frameobject.h.add-debug-malloc-stats 2011-09-03 12:16:40.000000000 -0400
+++ Python-3.2.2/Include/frameobject.h 2011-09-16 18:57:24.970825060 -0400
@@ -79,6 +79,8 @@ PyAPI_FUNC(void) PyFrame_FastToLocals(Py
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 *);
diff -up Python-3.2.2/Include/listobject.h.add-debug-malloc-stats Python-3.2.2/Include/listobject.h
--- Python-3.2.2/Include/listobject.h.add-debug-malloc-stats 2011-09-03 12:16:40.000000000 -0400
+++ Python-3.2.2/Include/listobject.h 2011-09-16 18:57:24.971825060 -0400
@@ -71,6 +71,8 @@ PyAPI_FUNC(PyObject *) _PyList_Extend(Py
#define PyList_GET_SIZE(op) Py_SIZE(op)
#endif
+PyAPI_FUNC(void) _PyList_DebugMallocStats(FILE *out);
+
#ifdef __cplusplus
}
#endif
diff -up Python-3.2.2/Include/methodobject.h.add-debug-malloc-stats Python-3.2.2/Include/methodobject.h
--- Python-3.2.2/Include/methodobject.h.add-debug-malloc-stats 2011-09-03 12:16:40.000000000 -0400
+++ Python-3.2.2/Include/methodobject.h 2011-09-16 18:57:24.971825060 -0400
@@ -81,6 +81,10 @@ typedef struct {
PyAPI_FUNC(int) PyCFunction_ClearFreeList(void);
+PyAPI_FUNC(void) _PyCFunction_DebugMallocStats(FILE *out);
+PyAPI_FUNC(void) _PyMethod_DebugMallocStats(FILE *out);
+
+
#ifdef __cplusplus
}
#endif
diff -up Python-3.2.2/Include/object.h.add-debug-malloc-stats Python-3.2.2/Include/object.h
--- Python-3.2.2/Include/object.h.add-debug-malloc-stats 2011-09-03 12:16:40.000000000 -0400
+++ Python-3.2.2/Include/object.h 2011-09-16 18:57:24.972825060 -0400
@@ -919,6 +919,13 @@ PyAPI_DATA(PyObject *) _PyTrash_delete_l
else \
_PyTrash_deposit_object((PyObject*)op);
+PyAPI_FUNC(void)
+_PyDebugAllocatorStats(FILE *out, const char *block_name, int num_blocks,
+ size_t sizeof_block);
+
+PyAPI_FUNC(void)
+_PyObject_DebugTypeStats(FILE *out);
+
#ifdef __cplusplus
}
#endif
diff -up Python-3.2.2/Include/objimpl.h.add-debug-malloc-stats Python-3.2.2/Include/objimpl.h
--- Python-3.2.2/Include/objimpl.h.add-debug-malloc-stats 2011-09-03 12:16:40.000000000 -0400
+++ Python-3.2.2/Include/objimpl.h 2011-09-16 18:57:24.972825060 -0400
@@ -101,13 +101,13 @@ PyAPI_FUNC(void) PyObject_Free(void *);
/* Macros */
#ifdef WITH_PYMALLOC
+PyAPI_FUNC(void) _PyObject_DebugMallocStats(FILE *out);
#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);
diff -up Python-3.2.2/Include/setobject.h.add-debug-malloc-stats Python-3.2.2/Include/setobject.h
--- Python-3.2.2/Include/setobject.h.add-debug-malloc-stats 2011-09-16 19:10:58.448817301 -0400
+++ Python-3.2.2/Include/setobject.h 2011-09-16 19:12:16.343816559 -0400
@@ -101,6 +101,8 @@ PyAPI_FUNC(PyObject *) PySet_Pop(PyObjec
PyAPI_FUNC(int) _PySet_Update(PyObject *set, PyObject *iterable);
#endif
+PyAPI_FUNC(void) _PySet_DebugMallocStats(FILE *out);
+
#ifdef __cplusplus
}
#endif
diff -up Python-3.2.2/Include/tupleobject.h.add-debug-malloc-stats Python-3.2.2/Include/tupleobject.h
--- Python-3.2.2/Include/tupleobject.h.add-debug-malloc-stats 2011-09-16 19:10:45.540817425 -0400
+++ Python-3.2.2/Include/tupleobject.h 2011-09-16 19:12:41.446816320 -0400
@@ -63,6 +63,7 @@ PyAPI_FUNC(void) _PyTuple_MaybeUntrack(P
#endif
PyAPI_FUNC(int) PyTuple_ClearFreeList(void);
+PyAPI_FUNC(void) _PyTuple_DebugMallocStats(FILE *out);
#ifdef __cplusplus
}
diff -up Python-3.2.2/Include/unicodeobject.h.add-debug-malloc-stats Python-3.2.2/Include/unicodeobject.h
--- Python-3.2.2/Include/unicodeobject.h.add-debug-malloc-stats 2011-09-03 12:16:40.000000000 -0400
+++ Python-3.2.2/Include/unicodeobject.h 2011-09-16 18:57:24.973825060 -0400
@@ -1670,6 +1670,8 @@ PyAPI_FUNC(Py_UNICODE*) PyUnicode_AsUnic
);
#endif /* Py_LIMITED_API */
+PyAPI_FUNC(void) _PyUnicode_DebugMallocStats(FILE *out);
+
#ifdef __cplusplus
}
#endif
diff -up Python-3.2.2/Lib/test/test_sys.py.add-debug-malloc-stats Python-3.2.2/Lib/test/test_sys.py
--- Python-3.2.2/Lib/test/test_sys.py.add-debug-malloc-stats 2011-09-16 18:57:24.940825060 -0400
+++ Python-3.2.2/Lib/test/test_sys.py 2011-09-16 19:23:50.415809940 -0400
@@ -564,6 +564,18 @@ class SysModuleTest(unittest.TestCase):
expected = None
self.check_fsencoding(fs_encoding, expected)
+ def test_debugmallocstats(self):
+ # Test sys._debugmallocstats()
+
+ import subprocess
+
+ # Verify writing to stderr:
+ p = subprocess.Popen([sys.executable,
+ '-c', 'import sys; sys._debugmallocstats()'],
+ stderr=subprocess.PIPE)
+ out, err = p.communicate()
+ p.wait()
+ self.assertIn(b"arenas allocated current", err)
class SizeofTest(unittest.TestCase):
diff -up Python-3.2.2/Objects/classobject.c.add-debug-malloc-stats Python-3.2.2/Objects/classobject.c
--- Python-3.2.2/Objects/classobject.c.add-debug-malloc-stats 2011-09-03 12:16:47.000000000 -0400
+++ Python-3.2.2/Objects/classobject.c 2011-09-16 18:57:24.975825060 -0400
@@ -399,6 +399,15 @@ PyMethod_Fini(void)
(void)PyMethod_ClearFreeList();
}
+/* Print summary info about the state of the optimized allocator */
+void
+_PyMethod_DebugMallocStats(FILE *out)
+{
+ _PyDebugAllocatorStats(out,
+ "free PyMethodObject",
+ numfree, sizeof(PyMethodObject));
+}
+
/* ------------------------------------------------------------------------
* instance method
*/
diff -up Python-3.2.2/Objects/dictobject.c.add-debug-malloc-stats Python-3.2.2/Objects/dictobject.c
--- Python-3.2.2/Objects/dictobject.c.add-debug-malloc-stats 2011-09-03 12:16:47.000000000 -0400
+++ Python-3.2.2/Objects/dictobject.c 2011-09-16 18:57:24.976825060 -0400
@@ -217,6 +217,15 @@ show_track(void)
static PyDictObject *free_list[PyDict_MAXFREELIST];
static int numfree = 0;
+/* Print summary info about the state of the optimized allocator */
+void
+_PyDict_DebugMallocStats(FILE *out)
+{
+ _PyDebugAllocatorStats(out,
+ "free PyDictObject", numfree, sizeof(PyDictObject));
+}
+
+
void
PyDict_Fini(void)
{
diff -up Python-3.2.2/Objects/floatobject.c.add-debug-malloc-stats Python-3.2.2/Objects/floatobject.c
--- Python-3.2.2/Objects/floatobject.c.add-debug-malloc-stats 2011-09-03 12:16:47.000000000 -0400
+++ Python-3.2.2/Objects/floatobject.c 2011-09-16 18:57:24.981825060 -0400
@@ -50,6 +50,22 @@ typedef struct _floatblock PyFloatBlock;
static PyFloatBlock *block_list = NULL;
static PyFloatObject *free_list = NULL;
+/* Print summary info about the state of the optimized allocator */
+void
+_PyFloat_DebugMallocStats(FILE *out)
+{
+ int num_blocks = 0;
+ PyFloatBlock *block;
+
+ /* Walk the block list, counting */
+ for (block = block_list; block ; block = block->next) {
+ num_blocks++;
+ }
+
+ _PyDebugAllocatorStats(out,
+ "PyFloatBlock", num_blocks, sizeof(PyFloatBlock));
+}
+
static PyFloatObject *
fill_free_list(void)
{
diff -up Python-3.2.2/Objects/frameobject.c.add-debug-malloc-stats Python-3.2.2/Objects/frameobject.c
--- Python-3.2.2/Objects/frameobject.c.add-debug-malloc-stats 2011-09-03 12:16:47.000000000 -0400
+++ Python-3.2.2/Objects/frameobject.c 2011-09-16 18:57:24.982825060 -0400
@@ -953,3 +953,13 @@ PyFrame_Fini(void)
Py_XDECREF(builtin_object);
builtin_object = NULL;
}
+
+/* Print summary info about the state of the optimized allocator */
+void
+_PyFrame_DebugMallocStats(FILE *out)
+{
+ _PyDebugAllocatorStats(out,
+ "free PyFrameObject",
+ numfree, sizeof(PyFrameObject));
+}
+
diff -up Python-3.2.2/Objects/listobject.c.add-debug-malloc-stats Python-3.2.2/Objects/listobject.c
--- Python-3.2.2/Objects/listobject.c.add-debug-malloc-stats 2011-09-03 12:16:47.000000000 -0400
+++ Python-3.2.2/Objects/listobject.c 2011-09-16 18:57:24.983825060 -0400
@@ -109,6 +109,15 @@ PyList_Fini(void)
}
}
+/* Print summary info about the state of the optimized allocator */
+void
+_PyList_DebugMallocStats(FILE *out)
+{
+ _PyDebugAllocatorStats(out,
+ "free PyListObject",
+ numfree, sizeof(PyListObject));
+}
+
PyObject *
PyList_New(Py_ssize_t size)
{
diff -up Python-3.2.2/Objects/methodobject.c.add-debug-malloc-stats Python-3.2.2/Objects/methodobject.c
--- Python-3.2.2/Objects/methodobject.c.add-debug-malloc-stats 2011-09-03 12:16:47.000000000 -0400
+++ Python-3.2.2/Objects/methodobject.c 2011-09-16 18:57:24.983825060 -0400
@@ -303,6 +303,15 @@ PyCFunction_Fini(void)
(void)PyCFunction_ClearFreeList();
}
+/* Print summary info about the state of the optimized allocator */
+void
+_PyCFunction_DebugMallocStats(FILE *out)
+{
+ _PyDebugAllocatorStats(out,
+ "free PyCFunction",
+ numfree, sizeof(PyCFunction));
+}
+
/* PyCFunction_New() is now just a macro that calls PyCFunction_NewEx(),
but it's part of the API so we need to keep a function around that
existing C extensions can call.
diff -up Python-3.2.2/Objects/object.c.add-debug-malloc-stats Python-3.2.2/Objects/object.c
--- Python-3.2.2/Objects/object.c.add-debug-malloc-stats 2011-09-03 12:16:47.000000000 -0400
+++ Python-3.2.2/Objects/object.c 2011-09-16 19:04:20.351821098 -0400
@@ -1781,6 +1781,19 @@ PyMem_Free(void *p)
PyMem_FREE(p);
}
+void
+_PyObject_DebugTypeStats(FILE *out)
+{
+ _PyCFunction_DebugMallocStats(out);
+ _PyDict_DebugMallocStats(out);
+ _PyFloat_DebugMallocStats(out);
+ _PyFrame_DebugMallocStats(out);
+ _PyList_DebugMallocStats(out);
+ _PyMethod_DebugMallocStats(out);
+ _PySet_DebugMallocStats(out);
+ _PyTuple_DebugMallocStats(out);
+ _PyUnicode_DebugMallocStats(out);
+}
/* These methods are used to control infinite recursion in repr, str, print,
etc. Container objects that may recursively contain themselves,
diff -up Python-3.2.2/Objects/obmalloc.c.add-debug-malloc-stats Python-3.2.2/Objects/obmalloc.c
--- Python-3.2.2/Objects/obmalloc.c.add-debug-malloc-stats 2011-09-03 12:16:47.000000000 -0400
+++ Python-3.2.2/Objects/obmalloc.c 2011-09-16 18:57:24.985825060 -0400
@@ -508,12 +508,10 @@ static struct arena_object* usable_arena
/* Number of arenas allocated that haven't been free()'d. */
static size_t narenas_currently_allocated = 0;
-#ifdef PYMALLOC_DEBUG
/* Total number of times malloc() called to allocate an arena. */
static size_t ntimes_arena_allocated = 0;
/* High water mark (max value ever seen) for narenas_currently_allocated. */
static size_t narenas_highwater = 0;
-#endif
/* Allocate a new arena. If we run out of memory, return NULL. Else
* allocate a new arena, and return the address of an arena_object
@@ -528,7 +526,7 @@ new_arena(void)
#ifdef PYMALLOC_DEBUG
if (Py_GETENV("PYTHONMALLOCSTATS"))
- _PyObject_DebugMallocStats();
+ _PyObject_DebugMallocStats(stderr);
#endif
if (unused_arena_objects == NULL) {
uint i;
@@ -588,11 +586,9 @@ new_arena(void)
}
++narenas_currently_allocated;
-#ifdef PYMALLOC_DEBUG
++ntimes_arena_allocated;
if (narenas_currently_allocated > narenas_highwater)
narenas_highwater = narenas_currently_allocated;
-#endif
arenaobj->freepools = NULL;
/* pool_address <- first pool-aligned address in the arena
nfreepools <- number of whole pools that fit after alignment */
@@ -1694,17 +1690,19 @@ _PyObject_DebugDumpAddress(const void *p
}
}
+#endif /* PYMALLOC_DEBUG */
+
static size_t
-printone(const char* msg, size_t value)
+printone(FILE *out, const char* msg, size_t value)
{
int i, k;
char buf[100];
size_t origvalue = value;
- fputs(msg, stderr);
+ fputs(msg, out);
for (i = (int)strlen(msg); i < 35; ++i)
- fputc(' ', stderr);
- fputc('=', stderr);
+ fputc(' ', out);
+ fputc('=', out);
/* Write the value with commas. */
i = 22;
@@ -1725,17 +1723,32 @@ printone(const char* msg, size_t value)
while (i >= 0)
buf[i--] = ' ';
- fputs(buf, stderr);
+ fputs(buf, out);
return origvalue;
}
-/* Print summary info to stderr about the state of pymalloc's structures.
+void
+_PyDebugAllocatorStats(FILE *out,
+ const char *block_name, int num_blocks, size_t sizeof_block)
+{
+ char buf1[128];
+ char buf2[128];
+ PyOS_snprintf(buf1, sizeof(buf1),
+ "%d %ss * %zd bytes each",
+ num_blocks, block_name, sizeof_block);
+ PyOS_snprintf(buf2, sizeof(buf2),
+ "%48s ", buf1);
+ (void)printone(out, buf2, num_blocks * sizeof_block);
+}
+
+
+/* Print summary info to "out" about the state of pymalloc's structures.
* In Py_DEBUG mode, also perform some expensive internal consistency
* checks.
*/
void
-_PyObject_DebugMallocStats(void)
+_PyObject_DebugMallocStats(FILE *out)
{
uint i;
const uint numclasses = SMALL_REQUEST_THRESHOLD >> ALIGNMENT_SHIFT;
@@ -1764,7 +1777,7 @@ _PyObject_DebugMallocStats(void)
size_t total;
char buf[128];
- fprintf(stderr, "Small block threshold = %d, in %u size classes.\n",
+ fprintf(out, "Small block threshold = %d, in %u size classes.\n",
SMALL_REQUEST_THRESHOLD, numclasses);
for (i = 0; i < numclasses; ++i)
@@ -1820,10 +1833,10 @@ _PyObject_DebugMallocStats(void)
}
assert(narenas == narenas_currently_allocated);
- fputc('\n', stderr);
+ fputc('\n', out);
fputs("class size num pools blocks in use avail blocks\n"
"----- ---- --------- ------------- ------------\n",
- stderr);
+ out);
for (i = 0; i < numclasses; ++i) {
size_t p = numpools[i];
@@ -1834,7 +1847,7 @@ _PyObject_DebugMallocStats(void)
assert(b == 0 && f == 0);
continue;
}
- fprintf(stderr, "%5u %6u "
+ fprintf(out, "%5u %6u "
"%11" PY_FORMAT_SIZE_T "u "
"%15" PY_FORMAT_SIZE_T "u "
"%13" PY_FORMAT_SIZE_T "u\n",
@@ -1844,36 +1857,35 @@ _PyObject_DebugMallocStats(void)
pool_header_bytes += p * POOL_OVERHEAD;
quantization += p * ((POOL_SIZE - POOL_OVERHEAD) % size);
}
- fputc('\n', stderr);
- (void)printone("# times object malloc called", serialno);
-
- (void)printone("# arenas allocated total", ntimes_arena_allocated);
- (void)printone("# arenas reclaimed", ntimes_arena_allocated - narenas);
- (void)printone("# arenas highwater mark", narenas_highwater);
- (void)printone("# arenas allocated current", narenas);
+ fputc('\n', out);
+#ifdef PYMALLOC_DEBUG
+ (void)printone(out, "# times object malloc called", serialno);
+#endif
+ (void)printone(out, "# arenas allocated total", ntimes_arena_allocated);
+ (void)printone(out, "# arenas reclaimed", ntimes_arena_allocated - narenas);
+ (void)printone(out, "# arenas highwater mark", narenas_highwater);
+ (void)printone(out, "# arenas allocated current", narenas);
PyOS_snprintf(buf, sizeof(buf),
"%" PY_FORMAT_SIZE_T "u arenas * %d bytes/arena",
narenas, ARENA_SIZE);
- (void)printone(buf, narenas * ARENA_SIZE);
+ (void)printone(out, buf, narenas * ARENA_SIZE);
- fputc('\n', stderr);
+ fputc('\n', out);
- total = printone("# bytes in allocated blocks", allocated_bytes);
- total += printone("# bytes in available blocks", available_bytes);
+ total = printone(out, "# bytes in allocated blocks", allocated_bytes);
+ total += printone(out, "# bytes in available blocks", available_bytes);
PyOS_snprintf(buf, sizeof(buf),
"%u unused pools * %d bytes", numfreepools, POOL_SIZE);
- total += printone(buf, (size_t)numfreepools * POOL_SIZE);
+ total += printone(out, buf, (size_t)numfreepools * POOL_SIZE);
- total += printone("# bytes lost to pool headers", pool_header_bytes);
- total += printone("# bytes lost to quantization", quantization);
- total += printone("# bytes lost to arena alignment", arena_alignment);
- (void)printone("Total", total);
+ total += printone(out, "# bytes lost to pool headers", pool_header_bytes);
+ total += printone(out, "# bytes lost to quantization", quantization);
+ total += printone(out, "# bytes lost to arena alignment", arena_alignment);
+ (void)printone(out, "Total", total);
}
-#endif /* PYMALLOC_DEBUG */
-
#ifdef Py_USING_MEMORY_DEBUGGER
/* Make this function last so gcc won't inline it since the definition is
* after the reference.
diff -up Python-3.2.2/Objects/setobject.c.add-debug-malloc-stats Python-3.2.2/Objects/setobject.c
--- Python-3.2.2/Objects/setobject.c.add-debug-malloc-stats 2011-09-03 12:16:47.000000000 -0400
+++ Python-3.2.2/Objects/setobject.c 2011-09-16 18:57:24.986825060 -0400
@@ -1090,6 +1090,16 @@ PySet_Fini(void)
Py_CLEAR(emptyfrozenset);
}
+/* Print summary info about the state of the optimized allocator */
+void
+_PySet_DebugMallocStats(FILE *out)
+{
+ _PyDebugAllocatorStats(out,
+ "free PySetObject",
+ numfree, sizeof(PySetObject));
+}
+
+
static PyObject *
set_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
diff -up Python-3.2.2/Objects/tupleobject.c.add-debug-malloc-stats Python-3.2.2/Objects/tupleobject.c
--- Python-3.2.2/Objects/tupleobject.c.add-debug-malloc-stats 2011-09-03 12:16:47.000000000 -0400
+++ Python-3.2.2/Objects/tupleobject.c 2011-09-16 18:57:24.987825060 -0400
@@ -44,6 +44,22 @@ show_track(void)
}
#endif
+/* Print summary info about the state of the optimized allocator */
+void
+_PyTuple_DebugMallocStats(FILE *out)
+{
+#if PyTuple_MAXSAVESIZE > 0
+ int i;
+ char buf[128];
+ for (i = 1; i < PyTuple_MAXSAVESIZE; i++) {
+ PyOS_snprintf(buf, sizeof(buf),
+ "free %d-sized PyTupleObject", i);
+ _PyDebugAllocatorStats(out,
+ buf,
+ numfree[i], _PyObject_VAR_SIZE(&PyTuple_Type, i));
+ }
+#endif
+}
PyObject *
PyTuple_New(register Py_ssize_t size)
diff -up Python-3.2.2/Objects/unicodeobject.c.add-debug-malloc-stats Python-3.2.2/Objects/unicodeobject.c
--- Python-3.2.2/Objects/unicodeobject.c.add-debug-malloc-stats 2011-09-03 12:16:47.000000000 -0400
+++ Python-3.2.2/Objects/unicodeobject.c 2011-09-16 18:57:24.990825060 -0400
@@ -10063,6 +10063,12 @@ _PyUnicode_Fini(void)
(void)PyUnicode_ClearFreeList();
}
+void _PyUnicode_DebugMallocStats(FILE *out)
+{
+ _PyDebugAllocatorStats(out, "free PyUnicodeObject", numfree,
+ sizeof(PyUnicodeObject));
+}
+
void
PyUnicode_InternInPlace(PyObject **p)
{
diff -up Python-3.2.2/Python/pythonrun.c.add-debug-malloc-stats Python-3.2.2/Python/pythonrun.c
--- Python-3.2.2/Python/pythonrun.c.add-debug-malloc-stats 2011-09-16 19:24:44.747809422 -0400
+++ Python-3.2.2/Python/pythonrun.c 2011-09-16 19:25:00.024809277 -0400
@@ -547,7 +547,7 @@ Py_Finalize(void)
#endif /* Py_TRACE_REFS */
#ifdef PYMALLOC_DEBUG
if (Py_GETENV("PYTHONMALLOCSTATS"))
- _PyObject_DebugMallocStats();
+ _PyObject_DebugMallocStats(stderr);
#endif
call_ll_exitfuncs();
diff -up Python-3.2.2/Python/sysmodule.c.add-debug-malloc-stats Python-3.2.2/Python/sysmodule.c
--- Python-3.2.2/Python/sysmodule.c.add-debug-malloc-stats 2011-09-03 12:16:49.000000000 -0400
+++ Python-3.2.2/Python/sysmodule.c 2011-09-16 19:18:45.806812845 -0400
@@ -994,6 +994,25 @@ a 11-tuple where the entries in the tupl
extern "C" {
#endif
+static PyObject *
+sys_debugmallocstats(PyObject *self, PyObject *args)
+{
+ _PyObject_DebugMallocStats(stderr);
+ fputc('\n', stderr);
+ _PyObject_DebugTypeStats(stderr);
+
+ Py_RETURN_NONE;
+}
+PyDoc_STRVAR(debugmallocstats_doc,
+"_debugmallocstats([file])\n\
+\n\
+Print summary info to stderr about the state of\n\
+pymalloc's structures.\n\
+\n\
+In Py_DEBUG mode, also perform some expensive internal consistency\n\
+checks.\n\
+");
+
#ifdef Py_TRACE_REFS
/* Defined in objects.c because it uses static globals if that file */
extern PyObject *_Py_GetObjects(PyObject *, PyObject *);
@@ -1090,6 +1109,8 @@ static PyMethodDef sys_methods[] = {
{"settrace", sys_settrace, METH_O, settrace_doc},
{"gettrace", sys_gettrace, METH_NOARGS, gettrace_doc},
{"call_tracing", sys_call_tracing, METH_VARARGS, call_tracing_doc},
+ {"_debugmallocstats", sys_debugmallocstats, METH_VARARGS,
+ debugmallocstats_doc},
{NULL, NULL} /* sentinel */
};

11
python3.spec
View File

@ -122,7 +122,7 @@
Summary: Version 3 of the Python programming language aka Python 3000
Name: python3
Version: %{pybasever}.2
Release: 5%{?dist}
Release: 6%{?dist}
License: Python
Group: Development/Languages
@ -353,6 +353,11 @@ Patch143: 00143-tsc-on-ppc.patch
# (rhbz#563986)
Patch146: 00146-hashlib-fips.patch
# Add a sys._debugmallocstats() function
# Based on patch 202 from RHEL 5's python.spec, with updates from rhbz#737198
# Not yet sent upstream
Patch147: 00147-add-debug-malloc-stats.patch
# (New patches go here ^^^)
#
# When adding new patches to "python" and "python3" in Fedora 17 onwards,
@ -562,6 +567,7 @@ done
# 00144: not for python3
# 00145: not for python3
%patch146 -p1
%patch147 -p1
# Currently (2010-01-15), http://docs.python.org/library is for 2.6, and there
# are many differences between 2.6 and the Python 3 library.
@ -1373,6 +1379,9 @@ rm -fr %{buildroot}
# ======================================================
%changelog
* Fri Sep 16 2011 David Malcolm <dmalcolm@redhat.com> - 3.2.2-6
- add a sys._debugmallocstats() function (patch 147)
* Wed Sep 14 2011 David Malcolm <dmalcolm@redhat.com> - 3.2.2-5
- support OpenSSL FIPS mode in _hashlib and hashlib; don't build the _md5 and
_sha* modules, relying on _hashlib in hashlib (rhbz#563986; patch 146)