--- a/Python/sysmodule.c	Fri Jun 22 18:40:02 2012 +0000
+++ b/Python/sysmodule.c	Fri Jun 22 14:55:41 2012 -0400
@@ -997,6 +997,27 @@
 extern "C" {
 #endif
 
+static PyObject *
+sys_debugmallocstats(PyObject *self, PyObject *args)
+{
+#ifdef WITH_PYMALLOC
+    _PyObject_DebugMallocStats(stderr);
+    fputc('\n', stderr);
+#endif
+    _PyObject_DebugTypeStats(stderr);
+
+    Py_RETURN_NONE;
+}
+PyDoc_STRVAR(debugmallocstats_doc,
+"_debugmallocstats()\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 *);
@@ -1093,6 +1114,8 @@
     {"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 */
 };