stg-prof

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3 # -*- python-mode -*-
   4 """Run stg with profiling enabled."""
   5 from __future__ import (absolute_import, division, print_function,
   6                         unicode_literals)
   7 import os
   8 import profile
   9 import pstats
  10 import sys
  11 import time
  12
  13 __copyright__ = """
  14 Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>
  15
  16 This program is free software; you can redistribute it and/or modify
  17 it under the terms of the GNU General Public License version 2 as
  18 published by the Free Software Foundation.
  19
  20 This program is distributed in the hope that it will be useful,
  21 but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 GNU General Public License for more details.
  24
  25 You should have received a copy of the GNU General Public License
  26 along with this program; if not, see http://www.gnu.org/licenses/.
  27 """
  28
  29 if __name__ == '__main__':
  30     # Try to detect where it is run from and set prefix and the search path.
  31     # It is assumed that the user installed StGIT using the --prefix= option
  32     prefix, bin = os.path.split(sys.path[0])
  33
  34     if bin == 'bin' and prefix != sys.prefix:
  35         sys.prefix = prefix
  36         sys.exec_prefix = prefix
  37
  38         major, minor = sys.version_info[0:2]
  39         local_path = [
  40             os.path.join(prefix, 'lib', 'python'),
  41             os.path.join(prefix, 'lib', 'python%s.%s' % (major, minor)),
  42             os.path.join(prefix, 'lib', 'python%s.%s' % (major, minor),
  43                          'site-packages')]
  44         sys.path = local_path + sys.path
  45
  46     from stgit.main import main  # noqa
  47
  48     start_time = time.time()
  49
  50     def timer():
  51         return time.time() - start_time
  52
  53     prof = profile.Profile(timer)
  54     try:
  55         prof.run('main()')
  56     except SystemExit:
  57         pass
  58     stats = pstats.Stats(prof)
  59     stats.strip_dirs().sort_stats(-1).print_stats().print_callees()