Hi - I have a request that's sometimes taking more than 1000 mcycles,
and I'd like to use the profiler to figure out what's taking so long.
I implemented the profiling successfully, but the output doesn't help
me too much because I can't match a lot of the function names up with
parts of the API. For instance, what is
google3.apphosting.runtime._apphosting_runtime___python__apiproxy.Wait ?
Anyone got any insight they can lend into the below profile?
Thanks,
Ben
Profile data:
75037 function calls (70686 primitive calls) in 0.341 CPU
seconds
Ordered by: internal time
List reduced from 699 to 80 due to restriction <80>
ncalls tottime percall cumtime percall
filename:lineno(function)
15 0.171 0.011 0.186 0.012
{google3.apphosting.runtime._apphosting_runtime___python__apiproxy.Wait}
252 0.022 0.000 0.022 0.000 {method '__reduce_ex__'
of 'object' objects}
2575/3 0.015 0.000 0.086 0.029 /base/python_dist/lib/
python2.5/pickle.py:263(save)
439/58 0.007 0.000 0.015 0.000
{google3.net.proto._net_proto___parse__python.MergeFromString}
1305 0.006 0.000 0.012 0.000 /base/python_dist/lib/
python2.5/pickle.py:221(memoize)
247/42 0.005 0.000 0.077 0.002 /base/python_dist/lib/
python2.5/pickle.py:649(_batch_setitems)
252/47 0.003 0.000 0.080 0.002 /base/python_dist/lib/
python2.5/pickle.py:339(save_reduce)
5127 0.003 0.000 0.003 0.000 {method 'get' of 'dict'
objects}
11 0.003 0.000 0.022 0.002 /base/python_dist/lib/
python2.5/pickle.py:839(load)
4551 0.003 0.000 0.003 0.000 {len}
22 0.003 0.000 0.003 0.000 /base/python_lib/
versions/1/google/appengine/datastore/entity_pb.py:3477(__init__)
182/91 0.002 0.000 0.003 0.000
{google3.net.proto._net_proto___parse__python.Encode}
5357 0.002 0.000 0.002 0.000 {id}
4910 0.002 0.000 0.002 0.000 {method 'read' of
'cStringIO.StringO' objects}
29 0.002 0.000 0.002 0.000 {__import__}
21 0.002 0.000 0.004 0.000 /base/python_lib/
versions/1/django/utils/html.py:53(urlize)
4563 0.002 0.000 0.002 0.000 {method 'write' of
'cStringIO.StringO' objects}
1305 0.002 0.000 0.003 0.000 /base/python_dist/lib/
python2.5/pickle.py:244(put)
246 0.002 0.000 0.003 0.000 /base/python_dist/lib/
python2.5/pickle.py:1253(encode_long)
15 0.002 0.000 0.002 0.000
{google3.apphosting.runtime._apphosting_runtime___python__apiproxy.MakeCall}
22 0.002 0.000 0.012 0.001 /base/python_lib/
versions/1/google/appengine/api/datastore.py:502(_FromPb)
1155 0.002 0.000 0.002 0.000 /base/python_dist/lib/
python2.5/struct.py:54(pack)
978/861 0.002 0.000 0.002 0.000 {getattr}
287 0.001 0.000 0.006 0.000 /base/python_dist/lib/
python2.5/pickle.py:486(save_unicode)
21 0.001 0.000 0.005 0.000 /base/python_lib/
versions/1/django/template/defaultfilters.py:198(urlizetrunc)
252 0.001 0.000 0.004 0.000 /base/python_lib/
versions/1/google/appengine/api/datastore_types.py:
1012(ValidateProperty)
602 0.001 0.000 0.001 0.000 {method 'encode' of
'unicode' objects}
375 0.001 0.000 0.005 0.000 /base/python_dist/lib/
python2.5/pickle.py:474(save_string)
206/42 0.001 0.000 0.078 0.002 /base/python_dist/lib/
python2.5/pickle.py:634(save_dict)
1798 0.001 0.000 0.001 0.000 {chr}
21 0.001 0.000 0.002 0.000 /base/python_lib/
versions/1/django/template/defaultfilters.py:438(timesince)
439/58 0.001 0.000 0.016 0.000 /base/python_lib/
versions/1/google/net/proto/ProtocolBuffer.py:61(MergeFromString)
148 0.001 0.000 0.003 0.000 /base/python_lib/
versions/1/django/template/__init__.py:617(resolve_variable)
3375 0.001 0.000 0.001 0.000 {method 'append' of
'list' objects}
655 0.001 0.000 0.001 0.000 {built-in method match}
14 0.001 0.000 0.001 0.000 {method 'clear' of
'dict' objects}
505 0.001 0.000 0.003 0.000 /base/python_dist/lib/
python2.5/pickle.py:1166(load_long_binput)
1948 0.001 0.000 0.001 0.000 {isinstance}
737 0.001 0.000 0.002 0.000 /base/python_dist/lib/
python2.5/pickle.py:254(get)
82 0.001 0.000 0.008 0.000 /base/python_dist/lib/
python2.5/pickle.py:684(save_inst)
1154 0.001 0.000 0.001 0.000 {repr}
252 0.001 0.000 0.004 0.000 /base/python_dist/lib/
python2.5/pickle.py:526(save_tuple)
301 0.001 0.000 0.002 0.000 /base/python_lib/
versions/1/google/appengine/api/datastore_types.py:77(ValidateString)
246 0.001 0.000 0.004 0.000 /base/python_dist/lib/
python2.5/pickle.py:455(save_long)
124 0.001 0.000 0.003 0.000 /base/python_lib/
versions/1/google/appengine/api/datastore_types.py:
1299(FromPropertyPb)
2575 0.001 0.000 0.001 0.000 /base/python_dist/lib/
python2.5/pickle.py:327(persistent_id)
732 0.001 0.000 0.001 0.000 /base/python_dist/lib/
python2.5/struct.py:77(unpack)
333 0.001 0.000 0.001 0.000 /base/python_dist/lib/
python2.5/pickle.py:1161(load_binput)
173 0.001 0.000 0.001 0.000 /base/python_lib/
versions/1/google/appengine/datastore/entity_pb.py:2512(add_element)
321 0.001 0.000 0.001 0.000 /base/python_dist/lib/
python2.5/pickle.py:982(load_short_binstring)
980 0.001 0.000 0.001 0.000 {method 'startswith' of
'unicode' objects}
147 0.001 0.000 0.001 0.000 /base/python_dist/lib/
python2.5/pickle.py:977(load_binunicode)
21 0.001 0.000 0.001 0.000 /base/python_lib/
versions/1/django/utils/timesince.py:5(timesince)
335 0.001 0.000 0.001 0.000 {hasattr}
147 0.001 0.000 0.003 0.000 /base/python_dist/lib/
python2.5/pickle.py:1204(load_build)
106 0.001 0.000 0.001 0.000 /base/python_lib/
versions/1/google/appengine/api/datastore_types.py:275(id)
1 0.001 0.001 0.014 0.014 /base/python_lib/
versions/1/django/template/defaulttags.py:85(render)
127 0.001 0.000 0.011 0.000 /base/python_lib/
versions/1/django/template/__init__.py:561(resolve)
44 0.001 0.000 0.003 0.000 /base/python_dist/lib/
python2.5/pickle.py:1194(load_setitems)
22 0.001 0.000 0.001 0.000 /base/python_lib/
versions/1/google/appengine/ext/db/__init__.py:
889(_load_entity_values)
231 0.001 0.000 0.001 0.000 {_codecs.utf_8_decode}
374 0.000 0.000 0.001 0.000 /base/python_lib/
versions/1/google/appengine/datastore/entity_pb.py:1727(IsInitialized)
255 0.000 0.000 0.000 0.000 {issubclass}
231 0.000 0.000 0.001 0.000 {method 'decode' of
'str' objects}
114/69 0.000 0.000 0.003 0.000 /base/python_lib/
versions/1/google/net/proto/ProtocolBuffer.py:171(CopyFrom)
498 0.000 0.000 0.001 0.000 /base/python_lib/
versions/1/google/appengine/datastore/entity_pb.py:762(IsInitialized)
19 0.000 0.000 0.001 0.000 /base/python_lib/
versions/1/google/appengine/api/datastore_types.py:439(__cmp__)
182/91 0.000 0.000 0.003 0.000 /base/python_lib/
versions/1/google/net/proto/ProtocolBuffer.py:45(Encode)
198 0.000 0.000 0.001 0.000 /base/python_dist/lib/
python2.5/pickle.py:1147(load_binget)
15 0.000 0.000 0.004 0.000 /base/python_lib/
versions/1/google/appengine/runtime/apiproxy.py:114(MakeCall)
126 0.000 0.000 0.001 0.000 /base/python_dist/lib/
python2.5/pickle.py:1319(decode_long)
151 0.000 0.000 0.002 0.000 /base/python_lib/
versions/1/google/appengine/datastore/entity_pb.py:2797(__init__)
242 0.000 0.000 0.001 0.000 /base/python_lib/
versions/1/google/appengine/datastore/entity_pb.py:2555(IsInitialized)
126 0.000 0.000 0.003 0.000 /base/python_lib/
versions/1/google/appengine/api/datastore.py:342(__setitem__)
1 0.000 0.000 0.000 0.000 {open}
23/1 0.000 0.000 0.014 0.014 /base/python_lib/
versions/1/django/template/__init__.py:701(render)
126 0.000 0.000 0.001 0.000 /base/python_dist/lib/
python2.5/pickle.py:935(load_long1)
1 0.000 0.000 0.000 0.000 {method 'read' of
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