4
4
# instead of just the Stats object
7
from _lsprof import Profiler, profiler_entry, profiler_subentry
9
from _lsprof import Profiler, profiler_entry
9
11
__all__ = ['profile', 'Stats']
16
def _thread_profile(f, *args, **kwds):
17
# we lose the first profile point for a new thread in order to trampoline
18
# a new Profile object into place
20
thr = thread.get_ident()
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_g_threadmap[thr] = p = Profiler()
22
# this overrides our sys.setprofile hook:
23
p.enable(subcalls=True, builtins=True)
11
26
def profile(f, *args, **kwds):
12
27
"""XXX docstring"""
14
30
p.enable(subcalls=True)
31
threading.setprofile(_thread_profile)
16
33
ret = f(*args, **kwds)
19
return ret,Stats(p.getstats())
36
for pp in _g_threadmap.values():
38
threading.setprofile(None)
41
for tid, pp in _g_threadmap.items():
42
threads[tid] = Stats(pp.getstats(), {})
44
return ret, Stats(p.getstats(), threads)
22
47
class Stats(object):
23
48
"""XXX docstring"""
25
def __init__(self, data):
50
def __init__(self, data, threads):
52
self.threads = threads
28
54
def sort(self, crit="inlinetime"):
29
55
"""XXX docstring"""
67
93
if not isinstance(e.code, str):
68
94
self.data[i] = type(e)((label(e.code),) + e[1:])
70
for j in range(len(e.calls)):
72
if not isinstance(se.code, str):
73
e.calls[j] = type(se)((label(se.code),) + se[1:])
96
for j in range(len(e.calls)):
98
if not isinstance(se.code, str):
99
e.calls[j] = type(se)((label(se.code),) + se[1:])
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for s in self.threads.values():
103
def calltree(self, file):
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"""Output profiling data in calltree format (for KCacheGrind)."""
105
_CallTreeFilter(self.data).output(file)
108
class _CallTreeFilter(object):
110
def __init__(self, data):
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def output(self, out_file):
115
self.out_file = out_file
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print >> out_file, 'events: Ticks'
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self._print_summary()
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for entry in self.data:
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def _print_summary(self):
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for entry in self.data:
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totaltime = int(entry.totaltime * 1000)
125
max_cost = max(max_cost, totaltime)
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print >> self.out_file, 'summary: %d' % (max_cost,)
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def _entry(self, entry):
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out_file = self.out_file
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inlinetime = int(entry.inlinetime * 1000)
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#print >> out_file, 'ob=%s' % (code.co_filename,)
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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)
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# recursive calls are counted in entry.calls
141
for subentry in calls:
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self._subentry(code.co_firstlineno, subentry)
145
def _subentry(self, lineno, subentry):
146
out_file = self.out_file
148
totaltime = int(subentry.totaltime * 1000)
149
#print >> out_file, 'cob=%s' % (code.co_filename,)
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print >> out_file, 'cfn=%s' % (label(code, True),)
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print >> out_file, 'cfi=%s' % (code.co_filename,)
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print >> out_file, 'calls=%d %d' % (
153
subentry.callcount, code.co_firstlineno)
154
print >> out_file, '%d %d' % (lineno, totaltime)
159
def label(code, calltree=False):
78
160
if isinstance(code, str):
94
176
mname = _fn2mod[code.co_filename] = '<%s>'%code.co_filename
96
return '%s:%d(%s)' % (mname, code.co_firstlineno, code.co_name)
178
return '%s %s:%d' % (code.co_name, mname, code.co_firstlineno)
180
return '%s:%d(%s)' % (mname, code.co_firstlineno, code.co_name)
99
183
if __name__ == '__main__':