2011-09-16 22:41:28 +00:00
|
|
|
diff -up Python-2.7.2/Include/dictobject.h.add-debug-malloc-stats Python-2.7.2/Include/dictobject.h
|
2011-09-16 23:08:10 +00:00
|
|
|
--- 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
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
+++ Python-2.7.2/Include/floatobject.h 2011-09-16 19:03:25.106821625 -0400
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
--- 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
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
+++ Python-2.7.2/Include/intobject.h 2011-09-16 19:03:25.107821625 -0400
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
--- 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
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
--- 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
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
+++ Python-2.7.2/Include/object.h 2011-09-16 19:03:25.108821625 -0400
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -980,6 +980,13 @@ 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-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
|
2011-09-16 23:08:10 +00:00
|
|
|
+++ Python-2.7.2/Include/objimpl.h 2011-09-16 19:03:25.108821625 -0400
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
+++ Python-2.7.2/Include/stringobject.h 2011-09-16 19:03:25.109821625 -0400
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
+++ Python-2.7.2/Include/unicodeobject.h 2011-09-16 19:03:25.109821625 -0400
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
--- 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
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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)
|
|
|
|
+
|
|
|
|
+
|
|
|
|
class SizeofTest(unittest.TestCase):
|
|
|
|
|
|
|
|
TPFLAGS_HAVE_GC = 1<<14
|
|
|
|
diff -up Python-2.7.2/Objects/classobject.c.add-debug-malloc-stats Python-2.7.2/Objects/classobject.c
|
2011-09-16 23:08:10 +00:00
|
|
|
--- 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
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
--- 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
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
+++ Python-2.7.2/Objects/floatobject.c 2011-09-16 19:03:25.111821625 -0400
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
--- 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
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
+++ Python-2.7.2/Objects/intobject.c 2011-09-16 19:03:25.112821625 -0400
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
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--- Python-2.7.2/Objects/listobject.c.add-debug-malloc-stats 2011-06-11 11:46:27.000000000 -0400
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+++ Python-2.7.2/Objects/listobject.c 2011-09-16 19:03:25.113821625 -0400
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2011-09-16 22:41:28 +00:00
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@@ -109,6 +109,15 @@ PyList_Fini(void)
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}
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}
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+/* Print summary info about the state of the optimized allocator */
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+void
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+_PyList_DebugMallocStats(FILE *out)
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+{
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+ _PyDebugAllocatorStats(out,
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+ "free PyListObject",
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+ numfree, sizeof(PyListObject));
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+}
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+
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PyObject *
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PyList_New(Py_ssize_t size)
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{
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diff -up Python-2.7.2/Objects/methodobject.c.add-debug-malloc-stats Python-2.7.2/Objects/methodobject.c
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2011-09-16 23:08:10 +00:00
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--- Python-2.7.2/Objects/methodobject.c.add-debug-malloc-stats 2011-06-11 11:46:27.000000000 -0400
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+++ Python-2.7.2/Objects/methodobject.c 2011-09-16 19:03:25.113821625 -0400
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2011-09-16 22:41:28 +00:00
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@@ -412,6 +412,15 @@ PyCFunction_Fini(void)
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(void)PyCFunction_ClearFreeList();
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}
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+/* Print summary info about the state of the optimized allocator */
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+void
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+_PyCFunction_DebugMallocStats(FILE *out)
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+{
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+ _PyDebugAllocatorStats(out,
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+ "free PyCFunction",
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+ numfree, sizeof(PyCFunction));
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+}
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+
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/* PyCFunction_New() is now just a macro that calls PyCFunction_NewEx(),
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but it's part of the API so we need to keep a function around that
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existing C extensions can call.
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diff -up Python-2.7.2/Objects/object.c.add-debug-malloc-stats Python-2.7.2/Objects/object.c
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--- Python-2.7.2/Objects/object.c.add-debug-malloc-stats 2011-06-11 11:46:27.000000000 -0400
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2011-09-16 23:08:10 +00:00
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+++ Python-2.7.2/Objects/object.c 2011-09-16 19:04:46.463820849 -0400
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2011-09-16 22:41:28 +00:00
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@@ -2334,6 +2334,23 @@ PyMem_Free(void *p)
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PyMem_FREE(p);
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}
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+void
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+_PyObject_DebugTypeStats(FILE *out)
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+{
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2011-09-16 23:08:10 +00:00
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+ _PyString_DebugMallocStats(out);
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+ _PyCFunction_DebugMallocStats(out);
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+ _PyDict_DebugMallocStats(out);
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+ _PyFloat_DebugMallocStats(out);
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+ _PyFrame_DebugMallocStats(out);
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+ _PyInt_DebugMallocStats(out);
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+ _PyList_DebugMallocStats(out);
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+ _PyMethod_DebugMallocStats(out);
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+ _PySet_DebugMallocStats(out);
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+ _PyTuple_DebugMallocStats(out);
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2011-09-16 22:41:28 +00:00
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+#if Py_USING_UNICODE
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2011-09-16 23:08:10 +00:00
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+ _PyUnicode_DebugMallocStats(out);
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2011-09-16 22:41:28 +00:00
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+#endif
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+}
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/* These methods are used to control infinite recursion in repr, str, print,
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etc. Container objects that may recursively contain themselves,
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diff -up Python-2.7.2/Objects/obmalloc.c.add-debug-malloc-stats Python-2.7.2/Objects/obmalloc.c
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--- Python-2.7.2/Objects/obmalloc.c.add-debug-malloc-stats 2011-06-11 11:46:27.000000000 -0400
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2011-09-16 23:08:10 +00:00
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+++ Python-2.7.2/Objects/obmalloc.c 2011-09-16 19:03:25.114821625 -0400
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2011-09-16 22:41:28 +00:00
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@@ -508,12 +508,10 @@ static struct arena_object* usable_arena
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/* Number of arenas allocated that haven't been free()'d. */
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static size_t narenas_currently_allocated = 0;
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-#ifdef PYMALLOC_DEBUG
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/* Total number of times malloc() called to allocate an arena. */
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static size_t ntimes_arena_allocated = 0;
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/* High water mark (max value ever seen) for narenas_currently_allocated. */
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static size_t narenas_highwater = 0;
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-#endif
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/* Allocate a new arena. If we run out of memory, return NULL. Else
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* allocate a new arena, and return the address of an arena_object
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@@ -528,7 +526,7 @@ new_arena(void)
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#ifdef PYMALLOC_DEBUG
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if (Py_GETENV("PYTHONMALLOCSTATS"))
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- _PyObject_DebugMallocStats();
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+ _PyObject_DebugMallocStats(stderr);
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#endif
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if (unused_arena_objects == NULL) {
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uint i;
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@@ -588,11 +586,9 @@ new_arena(void)
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}
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++narenas_currently_allocated;
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-#ifdef PYMALLOC_DEBUG
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++ntimes_arena_allocated;
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if (narenas_currently_allocated > narenas_highwater)
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narenas_highwater = narenas_currently_allocated;
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-#endif
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arenaobj->freepools = NULL;
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/* pool_address <- first pool-aligned address in the arena
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nfreepools <- number of whole pools that fit after alignment */
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@@ -1694,17 +1690,19 @@ _PyObject_DebugDumpAddress(const void *p
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}
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}
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+#endif /* PYMALLOC_DEBUG */
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+
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static size_t
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-printone(const char* msg, size_t value)
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+printone(FILE *out, const char* msg, size_t value)
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{
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int i, k;
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char buf[100];
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size_t origvalue = value;
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- fputs(msg, stderr);
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+ fputs(msg, out);
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for (i = (int)strlen(msg); i < 35; ++i)
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- fputc(' ', stderr);
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- fputc('=', stderr);
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+ fputc(' ', out);
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+ fputc('=', out);
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/* Write the value with commas. */
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i = 22;
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@@ -1725,17 +1723,32 @@ printone(const char* msg, size_t value)
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while (i >= 0)
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buf[i--] = ' ';
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- fputs(buf, stderr);
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|
+ fputs(buf, out);
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return origvalue;
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}
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-/* Print summary info to stderr about the state of pymalloc's structures.
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+void
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+_PyDebugAllocatorStats(FILE *out,
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+ const char *block_name, int num_blocks, size_t sizeof_block)
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+{
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+ char buf1[128];
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+ char buf2[128];
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|
+ PyOS_snprintf(buf1, sizeof(buf1),
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+ "%d %ss * %zd bytes each",
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+ num_blocks, block_name, sizeof_block);
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+ PyOS_snprintf(buf2, sizeof(buf2),
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+ "%48s ", buf1);
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+ (void)printone(out, buf2, num_blocks * sizeof_block);
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+}
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+
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+
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+/* Print summary info to "out" about the state of pymalloc's structures.
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* In Py_DEBUG mode, also perform some expensive internal consistency
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* checks.
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*/
|
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void
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-_PyObject_DebugMallocStats(void)
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+_PyObject_DebugMallocStats(FILE *out)
|
|
|
|
{
|
|
|
|
uint i;
|
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|
const uint numclasses = SMALL_REQUEST_THRESHOLD >> ALIGNMENT_SHIFT;
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@@ -1764,7 +1777,7 @@ _PyObject_DebugMallocStats(void)
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size_t total;
|
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|
char buf[128];
|
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|
|
|
|
|
|
- fprintf(stderr, "Small block threshold = %d, in %u size classes.\n",
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|
+ fprintf(out, "Small block threshold = %d, in %u size classes.\n",
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SMALL_REQUEST_THRESHOLD, numclasses);
|
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|
|
|
|
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for (i = 0; i < numclasses; ++i)
|
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@@ -1818,10 +1831,10 @@ _PyObject_DebugMallocStats(void)
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|
}
|
|
|
|
assert(narenas == narenas_currently_allocated);
|
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|
|
|
|
|
|
- fputc('\n', stderr);
|
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|
+ 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];
|
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|
|
@@ -1832,7 +1845,7 @@ _PyObject_DebugMallocStats(void)
|
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|
|
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);
|
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|
|
+ 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
|
2011-09-16 23:08:10 +00:00
|
|
|
--- 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
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -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
|
2011-09-16 23:08:10 +00:00
|
|
|
+++ Python-2.7.2/Objects/stringobject.c 2011-09-16 19:03:25.116821625 -0400
|
2011-09-16 22:41:28 +00:00
|
|
|
@@ -4822,3 +4822,43 @@ void _Py_ReleaseInternedStrings(void)
|
|
|
|
Py_DECREF(interned);
|
|
|
|
interned = NULL;
|
|
|
|
}
|
|
|
|
+
|
|
|
|
+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
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2011-09-16 23:08:10 +00:00
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--- Python-2.7.2/Objects/tupleobject.c.add-debug-malloc-stats 2011-06-11 11:46:27.000000000 -0400
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+++ Python-2.7.2/Objects/tupleobject.c 2011-09-16 19:03:25.116821625 -0400
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2011-09-16 22:41:28 +00:00
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@@ -44,6 +44,22 @@ show_track(void)
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}
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#endif
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+/* Print summary info about the state of the optimized allocator */
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+void
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+_PyTuple_DebugMallocStats(FILE *out)
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+{
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+#if PyTuple_MAXSAVESIZE > 0
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+ int i;
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+ char buf[128];
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+ for (i = 1; i < PyTuple_MAXSAVESIZE; i++) {
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+ PyOS_snprintf(buf, sizeof(buf),
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+ "free %d-sized PyTupleObject", i);
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+ _PyDebugAllocatorStats(out,
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+ buf,
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+ numfree[i], _PyObject_VAR_SIZE(&PyTuple_Type, i));
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+ }
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+#endif
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+}
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PyObject *
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PyTuple_New(register Py_ssize_t size)
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diff -up Python-2.7.2/Objects/unicodeobject.c.add-debug-malloc-stats Python-2.7.2/Objects/unicodeobject.c
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--- Python-2.7.2/Objects/unicodeobject.c.add-debug-malloc-stats 2011-06-11 11:46:27.000000000 -0400
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2011-09-16 23:08:10 +00:00
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+++ Python-2.7.2/Objects/unicodeobject.c 2011-09-16 19:03:25.118821625 -0400
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2011-09-16 22:41:28 +00:00
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@@ -8883,6 +8883,12 @@ _PyUnicode_Fini(void)
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(void)PyUnicode_ClearFreeList();
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}
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+void _PyUnicode_DebugMallocStats(FILE *out)
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+{
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+ _PyDebugAllocatorStats(out, "free PyUnicodeObject", numfree,
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+ sizeof(PyUnicodeObject));
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+}
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+
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#ifdef __cplusplus
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}
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#endif
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2011-09-16 23:08:10 +00:00
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diff -up Python-2.7.2/Python/pythonrun.c.add-debug-malloc-stats Python-2.7.2/Python/pythonrun.c
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--- Python-2.7.2/Python/pythonrun.c.add-debug-malloc-stats 2011-09-16 19:03:25.025821626 -0400
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+++ Python-2.7.2/Python/pythonrun.c 2011-09-16 19:03:25.118821625 -0400
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@@ -549,7 +549,7 @@ Py_Finalize(void)
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#endif /* Py_TRACE_REFS */
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#ifdef PYMALLOC_DEBUG
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if (Py_GETENV("PYTHONMALLOCSTATS"))
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- _PyObject_DebugMallocStats();
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+ _PyObject_DebugMallocStats(stderr);
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#endif
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call_ll_exitfuncs();
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2011-09-16 22:41:28 +00:00
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diff -up Python-2.7.2/Python/sysmodule.c.add-debug-malloc-stats Python-2.7.2/Python/sysmodule.c
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2011-09-16 23:08:10 +00:00
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--- Python-2.7.2/Python/sysmodule.c.add-debug-malloc-stats 2011-09-16 19:03:25.007821626 -0400
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+++ Python-2.7.2/Python/sysmodule.c 2011-09-16 19:03:25.119821625 -0400
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2011-09-16 22:41:28 +00:00
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@@ -872,6 +872,57 @@ a 11-tuple where the entries in the tupl
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extern "C" {
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#endif
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+static PyObject *
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+sys_debugmallocstats(PyObject *self, PyObject *args)
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+{
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+ PyObject *file = NULL;
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+ FILE *fp;
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+
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+ if (!PyArg_ParseTuple(args, "|O!",
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+ &PyFile_Type, &file)) {
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+ return NULL;
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+ }
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+ if (!file) {
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+ /* Default to sys.stderr: */
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+ file = PySys_GetObject("stderr");
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+ if (!file) {
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+ PyErr_SetString(PyExc_ValueError, "sys.stderr not set");
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+ return NULL;
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+ }
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+ if (!PyFile_Check(file)) {
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+ PyErr_SetString(PyExc_TypeError, "sys.stderr is not a file");
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+ return NULL;
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+ }
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+ }
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+
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+ Py_INCREF(file);
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+ /* OK, we now own a ref on non-NULL "file" */
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+
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+ fp = PyFile_AsFile(file);
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+ if (!fp) {
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+ PyErr_SetString(PyExc_ValueError, "file is closed");
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+ Py_DECREF(file);
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+ return NULL;
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+ }
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+
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+ _PyObject_DebugMallocStats(fp);
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+ fputc('\n', fp);
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+ _PyObject_DebugTypeStats(fp);
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+
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+ Py_DECREF(file);
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+
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+ Py_RETURN_NONE;
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+}
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+PyDoc_STRVAR(debugmallocstats_doc,
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+"_debugmallocstats([file])\n\
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+\n\
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+Print summary info to the given file (or sys.stderr) about the state of\n\
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+pymalloc's structures.\n\
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+\n\
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+In Py_DEBUG mode, also perform some expensive internal consistency\n\
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+checks.\n\
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+");
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+
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#ifdef Py_TRACE_REFS
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/* Defined in objects.c because it uses static globals if that file */
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extern PyObject *_Py_GetObjects(PyObject *, PyObject *);
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@@ -970,6 +1021,8 @@ static PyMethodDef sys_methods[] = {
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{"settrace", sys_settrace, METH_O, settrace_doc},
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{"gettrace", sys_gettrace, METH_NOARGS, gettrace_doc},
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{"call_tracing", sys_call_tracing, METH_VARARGS, call_tracing_doc},
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+ {"_debugmallocstats", sys_debugmallocstats, METH_VARARGS,
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+ debugmallocstats_doc},
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{NULL, NULL} /* sentinel */
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};
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