30
33
p.enable(subcalls=True)
31
34
threading.setprofile(_thread_profile)
35
# Note: The except clause is needed below so that profiling data still
36
# gets dumped even when exceptions are encountered. The except clause code
37
# is taken straight from run_bzr_catch_errrors() in commands.py and ought
38
# to be kept in sync with it.
33
ret = f(*args, **kwds)
41
ret = f(*args, **kwds)
42
except (KeyboardInterrupt, Exception), e:
44
bzrlib.trace.report_exception(sys.exc_info(), sys.stderr)
36
48
for pp in _g_threadmap.values():
104
116
"""Output profiling data in calltree format (for KCacheGrind)."""
105
117
_CallTreeFilter(self.data).output(file)
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def save(self, filename, format=None):
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"""Save profiling data to a file.
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:param filename: the name of the output file
123
:param format: 'txt' for a text representation;
124
'callgrind' for calltree format;
125
otherwise a pickled Python object. A format of None indicates
126
that the format to use is to be found from the filename. If
127
the name starts with callgrind.out, callgrind format is used
128
otherwise the format is given by the filename extension.
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basename = os.path.basename(filename)
132
if basename.startswith('callgrind.out'):
135
ext = os.path.splitext(filename)[1]
138
outfile = open(filename, 'wb')
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if format == "callgrind":
141
self.calltree(outfile)
142
elif format == "txt":
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self.pprint(file=outfile)
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cPickle.dump(self, outfile, 2)
108
151
class _CallTreeFilter(object):
152
"""Converter of a Stats object to input suitable for KCacheGrind.
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This code is taken from http://ddaa.net/blog/python/lsprof-calltree
155
with the changes made by J.P. Calderone and Itamar applied. Note that
156
isinstance(code, str) needs to be used at times to determine if the code
157
object is actually an external code object (with a filename, etc.) or
110
161
def __init__(self, data):
123
174
for entry in self.data:
124
175
totaltime = int(entry.totaltime * 1000)
125
176
max_cost = max(max_cost, totaltime)
126
print >> self.out_file, 'summary: %d' % (max_cost,)
177
self.out_file.write('summary: %d\n' % (max_cost,))
128
179
def _entry(self, entry):
129
180
out_file = self.out_file
130
181
code = entry.code
131
182
inlinetime = int(entry.inlinetime * 1000)
132
#print >> out_file, 'ob=%s' % (code.co_filename,)
133
print >> out_file, 'fi=%s' % (code.co_filename,)
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print >> out_file, 'fn=%s' % (label(code, True),)
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print >> out_file, '%d %d' % (code.co_firstlineno, inlinetime)
183
#out_file.write('ob=%s\n' % (code.co_filename,))
184
if isinstance(code, str):
185
out_file.write('fi=~\n')
187
out_file.write('fi=%s\n' % (code.co_filename,))
188
out_file.write('fn=%s\n' % (label(code, True),))
189
if isinstance(code, str):
190
out_file.write('0 %s\n' % (inlinetime,))
192
out_file.write('%d %d\n' % (code.co_firstlineno, inlinetime))
136
193
# recursive calls are counted in entry.calls
138
195
calls = entry.calls
198
if isinstance(code, str):
201
lineno = code.co_firstlineno
141
202
for subentry in calls:
142
self._subentry(code.co_firstlineno, subentry)
203
self._subentry(lineno, subentry)
145
206
def _subentry(self, lineno, subentry):
146
207
out_file = self.out_file
147
208
code = subentry.code
148
209
totaltime = int(subentry.totaltime * 1000)
149
#print >> out_file, 'cob=%s' % (code.co_filename,)
150
print >> out_file, 'cfn=%s' % (label(code, True),)
151
print >> out_file, 'cfi=%s' % (code.co_filename,)
152
print >> out_file, 'calls=%d %d' % (
153
subentry.callcount, code.co_firstlineno)
154
print >> out_file, '%d %d' % (lineno, totaltime)
210
#out_file.write('cob=%s\n' % (code.co_filename,))
211
out_file.write('cfn=%s\n' % (label(code, True),))
212
if isinstance(code, str):
213
out_file.write('cfi=~\n')
214
out_file.write('calls=%d 0\n' % (subentry.callcount,))
216
out_file.write('cfi=%s\n' % (code.co_filename,))
217
out_file.write('calls=%d %d\n' % (
218
subentry.callcount, code.co_firstlineno))
219
out_file.write('%d %d\n' % (lineno, totaltime))