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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))
@hwmrocker

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commented Nov 26, 2014

second revision is the output of 2to3 -w

@hwmrocker

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commented Nov 26, 2014

third revision shows the needed manual changes

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