diff -up Python-2.7.2/Include/dictobject.h.add-debug-malloc-stats Python-2.7.2/Include/dictobject.h

--- Python-2.7.2/Include/dictobject.h.add-debug-malloc-stats	2011-06-11 11:46:23.000000000 -0400

+++ Python-2.7.2/Include/dictobject.h	2011-09-16 19:03:25.105821625 -0400

@@ -150,6 +150,8 @@ 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-2.7.2/Include/floatobject.h.add-debug-malloc-stats Python-2.7.2/Include/floatobject.h

--- Python-2.7.2/Include/floatobject.h.add-debug-malloc-stats	2011-06-11 11:46:23.000000000 -0400

+++ Python-2.7.2/Include/floatobject.h	2011-09-16 19:03:25.106821625 -0400

@@ -132,6 +132,7 @@ PyAPI_FUNC(PyObject *) _PyFloat_FormatAd

    failure.  Used in builtin_round in bltinmodule.c. */

 PyAPI_FUNC(PyObject *) _Py_double_round(double x, int ndigits);

+PyAPI_FUNC(void) _PyFloat_DebugMallocStats(FILE* out);

 #ifdef __cplusplus

diff -up Python-2.7.2/Include/frameobject.h.add-debug-malloc-stats Python-2.7.2/Include/frameobject.h

--- Python-2.7.2/Include/frameobject.h.add-debug-malloc-stats	2011-06-11 11:46:23.000000000 -0400

+++ Python-2.7.2/Include/frameobject.h	2011-09-16 19:03:25.107821625 -0400

@@ -80,6 +80,8 @@ 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-2.7.2/Include/intobject.h.add-debug-malloc-stats Python-2.7.2/Include/intobject.h

--- Python-2.7.2/Include/intobject.h.add-debug-malloc-stats	2011-06-11 11:46:23.000000000 -0400

+++ Python-2.7.2/Include/intobject.h	2011-09-16 19:03:25.107821625 -0400

@@ -74,6 +74,8 @@ PyAPI_FUNC(PyObject *) _PyInt_FormatAdva

 					     char *format_spec,

 					     Py_ssize_t format_spec_len);

+PyAPI_FUNC(void) _PyInt_DebugMallocStats(FILE *out);

+

 #ifdef __cplusplus

 }

 #endif

diff -up Python-2.7.2/Include/listobject.h.add-debug-malloc-stats Python-2.7.2/Include/listobject.h

--- Python-2.7.2/Include/listobject.h.add-debug-malloc-stats	2011-06-11 11:46:23.000000000 -0400

+++ Python-2.7.2/Include/listobject.h	2011-09-16 19:03:25.107821625 -0400

@@ -62,6 +62,8 @@ PyAPI_FUNC(PyObject *) _PyList_Extend(Py

 #define PyList_SET_ITEM(op, i, v) (((PyListObject *)(op))->ob_item[i] = (v))

 #define PyList_GET_SIZE(op)    Py_SIZE(op)

+PyAPI_FUNC(void) _PyList_DebugMallocStats(FILE *out);

+

 #ifdef __cplusplus

 }

 #endif

diff -up Python-2.7.2/Include/methodobject.h.add-debug-malloc-stats Python-2.7.2/Include/methodobject.h

--- Python-2.7.2/Include/methodobject.h.add-debug-malloc-stats	2011-06-11 11:46:23.000000000 -0400

+++ Python-2.7.2/Include/methodobject.h	2011-09-16 19:03:25.108821625 -0400

@@ -87,6 +87,10 @@ 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-2.7.2/Include/object.h.add-debug-malloc-stats Python-2.7.2/Include/object.h

--- Python-2.7.2/Include/object.h.add-debug-malloc-stats	2011-06-11 11:46:23.000000000 -0400

+++ Python-2.7.2/Include/object.h	2011-09-16 19:03:25.108821625 -0400

@@ -980,6 +980,13 @@ PyAPI_DATA(PyObject *) _PyTrash_delete_l

             _PyTrash_thread_deposit_object((PyObject*)op); \

     } while (0);

+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-2.7.2/Include/objimpl.h.add-debug-malloc-stats Python-2.7.2/Include/objimpl.h

--- Python-2.7.2/Include/objimpl.h.add-debug-malloc-stats	2011-06-11 11:46:23.000000000 -0400

+++ Python-2.7.2/Include/objimpl.h	2011-09-16 19:03:25.108821625 -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-2.7.2/Include/stringobject.h.add-debug-malloc-stats Python-2.7.2/Include/stringobject.h

--- Python-2.7.2/Include/stringobject.h.add-debug-malloc-stats	2011-06-11 11:46:23.000000000 -0400

+++ Python-2.7.2/Include/stringobject.h	2011-09-16 19:03:25.109821625 -0400

@@ -204,6 +204,8 @@ PyAPI_FUNC(PyObject *) _PyBytes_FormatAd

 					       char *format_spec,

 					       Py_ssize_t format_spec_len);

+PyAPI_FUNC(void) _PyString_DebugMallocStats(FILE *out);

+

 #ifdef __cplusplus

 }

 #endif

diff -up Python-2.7.2/Include/unicodeobject.h.add-debug-malloc-stats Python-2.7.2/Include/unicodeobject.h

--- Python-2.7.2/Include/unicodeobject.h.add-debug-malloc-stats	2011-06-11 11:46:23.000000000 -0400

+++ Python-2.7.2/Include/unicodeobject.h	2011-09-16 19:03:25.109821625 -0400

@@ -1406,6 +1406,8 @@ PyAPI_FUNC(int) _PyUnicode_IsAlpha(

     Py_UNICODE ch       /* Unicode character */

     );

+PyAPI_FUNC(void) _PyUnicode_DebugMallocStats(FILE *out);

+

 #ifdef __cplusplus

 }

 #endif

diff -up Python-2.7.2/Lib/test/test_sys.py.add-debug-malloc-stats Python-2.7.2/Lib/test/test_sys.py

--- Python-2.7.2/Lib/test/test_sys.py.add-debug-malloc-stats	2011-09-16 19:03:25.048821626 -0400

+++ Python-2.7.2/Lib/test/test_sys.py	2011-09-16 19:03:25.110821625 -0400

@@ -473,6 +473,32 @@ class SysModuleTest(unittest.TestCase):

         p.wait()

         self.assertIn(executable, ["''", repr(sys.executable)])

+    def test_debugmallocstats(self):

+        # Test sys._debugmallocstats()

+

+        import subprocess

+

+        # Verify the default of writing to stderr:

+        p = subprocess.Popen([sys.executable,

+                              '-c', 'import sys; sys._debugmallocstats()'],

+                             stderr=subprocess.PIPE)

+        out, err = p.communicate()

+        p.wait()

+        self.assertIn("arenas allocated current", err)

+                                     

+        # Verify that we can redirect the output to a file (not a file-like

+        # object, though):

+        with open('mallocstats.txt', 'w') as out:

+            sys._debugmallocstats(out)

+        result = open('mallocstats.txt').read()

+        self.assertIn("arenas allocated current", result)

+        os.unlink('mallocstats.txt')

+

+        # Verify that the destination must be a file:

+        with self.assertRaises(TypeError):

+            sys._debugmallocstats(42)

+        

+

 @test.test_support.cpython_only

 class SizeofTest(unittest.TestCase):

diff -up Python-2.7.2/Objects/classobject.c.add-debug-malloc-stats Python-2.7.2/Objects/classobject.c

--- Python-2.7.2/Objects/classobject.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/classobject.c	2011-09-16 19:03:25.110821625 -0400

@@ -2670,3 +2670,12 @@ 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));

+}

diff -up Python-2.7.2/Objects/dictobject.c.add-debug-malloc-stats Python-2.7.2/Objects/dictobject.c

--- Python-2.7.2/Objects/dictobject.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/dictobject.c	2011-09-16 19:03:25.111821625 -0400

@@ -225,6 +225,15 @@ 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-2.7.2/Objects/floatobject.c.add-debug-malloc-stats Python-2.7.2/Objects/floatobject.c

--- Python-2.7.2/Objects/floatobject.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/floatobject.c	2011-09-16 19:03:25.111821625 -0400

@@ -35,6 +35,22 @@ 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-2.7.2/Objects/frameobject.c.add-debug-malloc-stats Python-2.7.2/Objects/frameobject.c

--- Python-2.7.2/Objects/frameobject.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/frameobject.c	2011-09-16 19:03:25.112821625 -0400

@@ -980,3 +980,13 @@ 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-2.7.2/Objects/intobject.c.add-debug-malloc-stats Python-2.7.2/Objects/intobject.c

--- Python-2.7.2/Objects/intobject.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/intobject.c	2011-09-16 19:03:25.112821625 -0400

@@ -44,6 +44,23 @@ typedef struct _intblock PyIntBlock;

 static PyIntBlock *block_list = NULL;

 static PyIntObject *free_list = NULL;

+

+/* Print summary info about the state of the optimized allocator */

+void

+_PyInt_DebugMallocStats(FILE *out)

+{

+    int num_blocks = 0;

+    PyIntBlock *block;

+

+    /* Walk the block list, counting */

+    for (block = block_list; block ; block = block->next) {

+        num_blocks++;

+    }

+

+    _PyDebugAllocatorStats(out,

+                           "PyIntBlock", num_blocks, sizeof(PyIntBlock));

+}

+

 static PyIntObject *

 fill_free_list(void)

 {

diff -up Python-2.7.2/Objects/listobject.c.add-debug-malloc-stats Python-2.7.2/Objects/listobject.c

--- Python-2.7.2/Objects/listobject.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/listobject.c	2011-09-16 19:03:25.113821625 -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-2.7.2/Objects/methodobject.c.add-debug-malloc-stats Python-2.7.2/Objects/methodobject.c

--- Python-2.7.2/Objects/methodobject.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/methodobject.c	2011-09-16 19:03:25.113821625 -0400

@@ -412,6 +412,15 @@ 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-2.7.2/Objects/object.c.add-debug-malloc-stats Python-2.7.2/Objects/object.c

--- Python-2.7.2/Objects/object.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/object.c	2011-09-16 19:04:46.463820849 -0400

@@ -2334,6 +2334,23 @@ PyMem_Free(void *p)

     PyMem_FREE(p);

 }

+void

+_PyObject_DebugTypeStats(FILE *out)

+{

+    _PyString_DebugMallocStats(out);

+    _PyCFunction_DebugMallocStats(out);

+    _PyDict_DebugMallocStats(out);

+    _PyFloat_DebugMallocStats(out);

+    _PyFrame_DebugMallocStats(out);

+    _PyInt_DebugMallocStats(out);

+    _PyList_DebugMallocStats(out);

+    _PyMethod_DebugMallocStats(out);

+    _PySet_DebugMallocStats(out);

+    _PyTuple_DebugMallocStats(out);

+#if Py_USING_UNICODE

+    _PyUnicode_DebugMallocStats(out);

+#endif

+}

 /* These methods are used to control infinite recursion in repr, str, print,

    etc.  Container objects that may recursively contain themselves,

diff -up Python-2.7.2/Objects/obmalloc.c.add-debug-malloc-stats Python-2.7.2/Objects/obmalloc.c

--- Python-2.7.2/Objects/obmalloc.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/obmalloc.c	2011-09-16 19:03:25.114821625 -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)

     arenaobj->address = (uptr)address;

     ++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)

@@ -1818,10 +1831,10 @@ _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];

@@ -1832,7 +1845,7 @@ _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",

@@ -1842,36 +1855,35 @@ _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-2.7.2/Objects/setobject.c.add-debug-malloc-stats Python-2.7.2/Objects/setobject.c

--- Python-2.7.2/Objects/setobject.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/setobject.c	2011-09-16 19:03:25.115821625 -0400

@@ -1088,6 +1088,16 @@ 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-2.7.2/Objects/stringobject.c.add-debug-malloc-stats Python-2.7.2/Objects/stringobject.c

--- Python-2.7.2/Objects/stringobject.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/stringobject.c	2011-09-16 19:03:25.116821625 -0400

@@ -4822,3 +4822,43 @@ void _Py_ReleaseInternedStrings(void)

     PyDict_Clear(interned);

     Py_CLEAR(interned);

 }

+

+void _PyString_DebugMallocStats(FILE *out)

+{

+    ssize_t i;

+    int num_immortal = 0, num_mortal = 0;

+    ssize_t immortal_size = 0, mortal_size = 0;

+

+    if (interned == NULL || !PyDict_Check(interned))

+        return;

+

+    for (i = 0; i <= ((PyDictObject*)interned)->ma_mask; i++) {

+        PyDictEntry *ep = ((PyDictObject*)interned)->ma_table + i;

+        PyObject *pvalue = ep->me_value;

+        if (pvalue != NULL) {

+            PyStringObject *s = (PyStringObject *)ep->me_key;

+

+            switch (s->ob_sstate) {

+            case SSTATE_NOT_INTERNED:

+                /* XXX Shouldn't happen */

+                break;

+            case SSTATE_INTERNED_IMMORTAL:

+                num_immortal ++;

+                immortal_size += s->ob_size;

+                break;

+            case SSTATE_INTERNED_MORTAL:

+                num_mortal ++;

+                mortal_size += s->ob_size;

+                break;

+            default:

+                Py_FatalError("Inconsistent interned string state.");

+            }

+        }

+    }

+

+    fprintf(out, "%d mortal interned strings\n", num_mortal);

+    fprintf(out, "%d immortal interned strings\n", num_immortal);

+    fprintf(out, "total size of all interned strings: "

+            "%zi/%zi "

+            "mortal/immortal\n", mortal_size, immortal_size);

+}

diff -up Python-2.7.2/Objects/tupleobject.c.add-debug-malloc-stats Python-2.7.2/Objects/tupleobject.c

--- Python-2.7.2/Objects/tupleobject.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/tupleobject.c	2011-09-16 19:03:25.116821625 -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-2.7.2/Objects/unicodeobject.c.add-debug-malloc-stats Python-2.7.2/Objects/unicodeobject.c

--- Python-2.7.2/Objects/unicodeobject.c.add-debug-malloc-stats	2011-06-11 11:46:27.000000000 -0400

+++ Python-2.7.2/Objects/unicodeobject.c	2011-09-16 19:03:25.118821625 -0400

@@ -8883,6 +8883,12 @@ _PyUnicode_Fini(void)

     (void)PyUnicode_ClearFreeList();

 }

+void _PyUnicode_DebugMallocStats(FILE *out)

+{

+    _PyDebugAllocatorStats(out, "free PyUnicodeObject", numfree,

+                           sizeof(PyUnicodeObject));

+}

+

 #ifdef __cplusplus

 }

 #endif

diff -up Python-2.7.2/Python/pythonrun.c.add-debug-malloc-stats Python-2.7.2/Python/pythonrun.c

--- Python-2.7.2/Python/pythonrun.c.add-debug-malloc-stats	2011-09-16 19:03:25.025821626 -0400

+++ Python-2.7.2/Python/pythonrun.c	2011-09-16 19:03:25.118821625 -0400

@@ -549,7 +549,7 @@ 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-2.7.2/Python/sysmodule.c.add-debug-malloc-stats Python-2.7.2/Python/sysmodule.c

--- Python-2.7.2/Python/sysmodule.c.add-debug-malloc-stats	2011-09-16 19:03:25.007821626 -0400

+++ Python-2.7.2/Python/sysmodule.c	2011-09-16 19:03:25.119821625 -0400

@@ -872,6 +872,57 @@ a 11-tuple where the entries in the tupl

 extern "C" {

 #endif

+static PyObject *

+sys_debugmallocstats(PyObject *self, PyObject *args)

+{

+    PyObject *file = NULL;

+    FILE *fp;

+

+    if (!PyArg_ParseTuple(args, "|O!",

+                          &PyFile_Type, &file)) {

+      return NULL;

+    }

+    if (!file) {

+        /* Default to sys.stderr: */

+      file = PySys_GetObject("stderr");

+      if (!file) {

+          PyErr_SetString(PyExc_ValueError, "sys.stderr not set");

+          return NULL;

+      }

+      if (!PyFile_Check(file)) {

+          PyErr_SetString(PyExc_TypeError, "sys.stderr is not a file");

+          return NULL;

+      }

+    }

+

+    Py_INCREF(file);

+    /* OK, we now own a ref on non-NULL "file" */

+

+    fp = PyFile_AsFile(file);

+    if (!fp) {

+        PyErr_SetString(PyExc_ValueError, "file is closed");

+        Py_DECREF(file);

+        return NULL;	

+    }

+

+    _PyObject_DebugMallocStats(fp);

+    fputc('\n', fp);

+    _PyObject_DebugTypeStats(fp);

+

+    Py_DECREF(file);

+

+    Py_RETURN_NONE;

+}

+PyDoc_STRVAR(debugmallocstats_doc,

+"_debugmallocstats([file])\n\

+\n\

+Print summary info to the given file (or sys.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 *);

@@ -970,6 +1021,8 @@ 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 */

 };