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# Copyright (c) 2014 | |
# David Allouche | |
# Jp Calderone & Itamar Shtull-Trauring | |
# Johan Dahlin | |
# Olaf Gladis | |
# Permission is hereby granted, free of charge, to any person obtaining a copy | |
# of this software and associated documentation files (the "Software"), to deal | |
# in the Software without restriction, including without limitation the rights | |
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
# copies of the Software, and to permit persons to whom the Software is | |
# furnished to do so, subject to the following conditions: | |
# | |
# The above copyright notice and this permission notice shall be included in all | |
# copies or substantial portions of the Software. | |
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
# lsprofcalltree.py: lsprof output which is readable by kcachegrind | |
import optparse | |
import os | |
import sys | |
try: | |
import cProfile | |
except ImportError: | |
raise SystemExit("This script requires cProfile from Python 2.5") | |
def label(code): | |
if isinstance(code, str): | |
return ('~', 0, code) # built-in functions ('~' sorts at the end) | |
else: | |
return '%s %s:%d' % (code.co_name, | |
code.co_filename, | |
code.co_firstlineno) | |
class KCacheGrind(object): | |
def __init__(self, profiler): | |
self.data = profiler.getstats() | |
self.out_file = None | |
def output(self, out_file): | |
self.out_file = out_file | |
print('events: Ticks', file=out_file) | |
self._print_summary() | |
for entry in self.data: | |
self._entry(entry) | |
def _print_summary(self): | |
max_cost = 0 | |
for entry in self.data: | |
totaltime = int(entry.totaltime * 1000) | |
max_cost = max(max_cost, totaltime) | |
print('summary: %d' % (max_cost,), file=self.out_file) | |
def _entry(self, entry): | |
out_file = self.out_file | |
code = entry.code | |
#print >> out_file, 'ob=%s' % (code.co_filename,) | |
if isinstance(code, str): | |
print('fi=~', file=out_file) | |
else: | |
print('fi=%s' % (code.co_filename,), file=out_file) | |
print('fn=%s' % (label(code),), file=out_file) | |
inlinetime = int(entry.inlinetime * 1000) | |
if isinstance(code, str): | |
print('0 ', inlinetime, file=out_file) | |
else: | |
print('%d %d' % (code.co_firstlineno, inlinetime), file=out_file) | |
# recursive calls are counted in entry.calls | |
if entry.calls: | |
calls = entry.calls | |
else: | |
calls = [] | |
if isinstance(code, str): | |
lineno = 0 | |
else: | |
lineno = code.co_firstlineno | |
for subentry in calls: | |
self._subentry(lineno, subentry) | |
print(file=out_file) | |
def _subentry(self, lineno, subentry): | |
out_file = self.out_file | |
code = subentry.code | |
#print >> out_file, 'cob=%s' % (code.co_filename,) | |
print('cfn=%s' % (label(code),), file=out_file) | |
if isinstance(code, str): | |
print('cfi=~', file=out_file) | |
print('calls=%d 0' % (subentry.callcount,), file=out_file) | |
else: | |
print('cfi=%s' % (code.co_filename,), file=out_file) | |
print('calls=%d %d' % ( | |
subentry.callcount, code.co_firstlineno), file=out_file) | |
totaltime = int(subentry.totaltime * 1000) | |
print('%d %d' % (lineno, totaltime), file=out_file) | |
def main(args): | |
usage = "%s [-o output_file_path] scriptfile [arg] ..." | |
parser = optparse.OptionParser(usage=usage % sys.argv[0]) | |
parser.allow_interspersed_args = False | |
parser.add_option('-o', '--outfile', dest="outfile", | |
help="Save stats to <outfile>", default=None) | |
if not sys.argv[1:]: | |
parser.print_usage() | |
sys.exit(2) | |
options, args = parser.parse_args() | |
if not options.outfile: | |
options.outfile = '%s.log' % os.path.basename(args[0]) | |
sys.argv[:] = args | |
prof = cProfile.Profile() | |
try: | |
try: | |
prof = prof.run("exec(compile(open(%r).read(), %r, 'exec'))" % (sys.argv[0],sys.argv[0])) | |
except SystemExit: | |
pass | |
finally: | |
kg = KCacheGrind(prof) | |
kg.output(open(options.outfile, 'w')) | |
if __name__ == '__main__': | |
sys.exit(main(sys.argv)) |
third revision shows the needed manual changes
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second revision is the output of
2to3 -w