setup: prefer using the system hg to interact with the local repository
Add a findhg() function that tries to be smarter about figuring out how to run
hg for examining the local repository. It first tries running "hg" from the
user's PATH, with the default HGRCPATH settings intact, but with HGPLAIN
enabled. This will generally use the same version of mercurial and the same
settings used to originally clone the repository, and should have a higher
chance of working successfully than trying to run the hg script from the local
repository. If that fails findhg() falls back to the existing behavior of
running the local hg script.
"""
lsprofcalltree.py - lsprof output which is readable by kcachegrind
Authors:
* David Allouche <david <at> allouche.net>
* Jp Calderone & Itamar Shtull-Trauring
* Johan Dahlin
This software may be used and distributed according to the terms
of the GNU General Public License, incorporated herein by reference.
"""
from __future__ import absolute_import, print_function
def label(code):
if isinstance(code, str):
return '~' + 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
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('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)