author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Wed, 07 Apr 2010 09:24:00 +0200 | |
changeset 5173 | 73760bbb66bd |
parent 4870 | 101858d845f7 |
child 5421 | 8167de96c523 |
permissions | -rw-r--r-- |
4866
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
1 |
|
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
2 |
import gc, types, weakref |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
3 |
|
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
4 |
from cubicweb.schema import CubicWebRelationSchema, CubicWebEntitySchema |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
5 |
|
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
6 |
listiterator = type(iter([])) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
7 |
|
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
8 |
IGNORE_CLASSES = ( |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
9 |
type, tuple, dict, list, set, frozenset, type(len), |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
10 |
weakref.ref, weakref.WeakKeyDictionary, |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
11 |
listiterator, |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
12 |
property, classmethod, |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
13 |
types.ModuleType, types.FunctionType, types.MethodType, |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
14 |
types.MemberDescriptorType, types.GetSetDescriptorType, |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
15 |
) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
16 |
|
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
17 |
def _get_counted_class(obj, classes): |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
18 |
for cls in classes: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
19 |
if isinstance(obj, cls): |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
20 |
return cls |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
21 |
raise AssertionError() |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
22 |
|
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
23 |
def gc_info(countclasses, |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
24 |
ignoreclasses=IGNORE_CLASSES, |
4870
101858d845f7
[debug] allow to specify maxlevel to gc_info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4866
diff
changeset
|
25 |
viewreferrersclasses=(), showobjs=False, maxlevel=1): |
4866
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
26 |
gc.collect() |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
27 |
gc.collect() |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
28 |
counters = {} |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
29 |
ocounters = {} |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
30 |
for obj in gc.get_objects(): |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
31 |
if isinstance(obj, countclasses): |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
32 |
cls = _get_counted_class(obj, countclasses) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
33 |
try: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
34 |
counters[cls.__name__] += 1 |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
35 |
except KeyError: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
36 |
counters[cls.__name__] = 1 |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
37 |
elif not isinstance(obj, ignoreclasses): |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
38 |
try: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
39 |
key = '%s.%s' % (obj.__class__.__module__, |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
40 |
obj.__class__.__name__) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
41 |
except AttributeError: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
42 |
key = str(obj) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
43 |
try: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
44 |
ocounters[key] += 1 |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
45 |
except KeyError: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
46 |
ocounters[key] = 1 |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
47 |
if isinstance(obj, viewreferrersclasses): |
4870
101858d845f7
[debug] allow to specify maxlevel to gc_info
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4866
diff
changeset
|
48 |
print ' ', obj, referrers(obj, showobjs, maxlevel) |
4866
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
49 |
return counters, ocounters, gc.garbage |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
50 |
|
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
51 |
|
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
52 |
def referrers(obj, showobj=False, maxlevel=1): |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
53 |
objreferrers = _referrers(obj, maxlevel) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
54 |
try: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
55 |
return sorted(set((type(x), showobj and x or getattr(x, '__name__', '%#x' % id(x))) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
56 |
for x in objreferrers)) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
57 |
except TypeError: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
58 |
s = set() |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
59 |
unhashable = [] |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
60 |
for x in objreferrers: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
61 |
try: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
62 |
s.add(x) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
63 |
except TypeError: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
64 |
unhashable.append(x) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
65 |
return sorted(s) + unhashable |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
66 |
|
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
67 |
def _referrers(obj, maxlevel, _seen=None, _level=0): |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
68 |
interesting = [] |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
69 |
if _seen is None: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
70 |
_seen = set() |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
71 |
for x in gc.get_referrers(obj): |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
72 |
if id(x) in _seen: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
73 |
continue |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
74 |
_seen.add(id(x)) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
75 |
if isinstance(x, types.FrameType): |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
76 |
continue |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
77 |
if isinstance(x, (CubicWebRelationSchema, CubicWebEntitySchema)): |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
78 |
continue |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
79 |
if isinstance(x, (list, tuple, set, dict, listiterator)): |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
80 |
if _level >= maxlevel: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
81 |
pass |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
82 |
#interesting.append(x) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
83 |
else: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
84 |
interesting += _referrers(x, maxlevel, _seen, _level+1) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
85 |
else: |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
86 |
interesting.append(x) |
550e35a69b75
[debug] a new view to help debugging memory leaks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
diff
changeset
|
87 |
return interesting |