Mercurial > hg
view mercurial/lsprof.py @ 4485:82bc6aef8b43
patchbomb: Don't prompt for headers until sure we have revs to export.
The prior behaviour was to always prompt for headers, and only then
bomb out if there were actually no revs to send.
author | Bryan O'Sullivan <bos@serpentine.com> |
---|---|
date | Sun, 27 May 2007 13:29:04 -0700 |
parents | 976b6b2a1613 |
children | 30c40ba10963 |
line wrap: on
line source
# this is copied from the lsprof distro because somehow # it is not installed by distutils # # small modifications made import sys try: from _lsprof import Profiler, profiler_entry, profiler_subentry except ImportError, inst: import packagescan if packagescan.scan_in_progress: raise packagescan.SkipPackage('_lsprof not available') raise __all__ = ['profile', 'Stats'] def profile(f, *args, **kwds): """XXX docstring""" p = Profiler() p.enable(subcalls=True) try: ret = f(*args, **kwds) finally: p.disable() return ret, Stats(p.getstats()) class Stats(object): """XXX docstring""" def __init__(self, data): self.data = data def sort(self, crit="inlinetime"): """XXX docstring""" if crit not in profiler_entry.__dict__: raise ValueError, "Can't sort by %s" % crit self.data.sort(lambda b, a: cmp(getattr(a, crit), getattr(b, crit))) for e in self.data: if e.calls: e.calls.sort(lambda b, a: cmp(getattr(a, crit), getattr(b, crit))) def pprint(self, top=None, file=None, limit=None, climit=None): """XXX docstring""" if file is None: file = sys.stdout d = self.data if top is not None: d = d[:top] cols = "% 12s %11.4f %11.4f %s\n" hcols = "% 12s %12s %12s %s\n" cols2 = "+%12s %11.4f %11.4f + %s\n" file.write(hcols % ("CallCount", "Total(s)", "Inline(s)", "module:lineno(function)")) count = 0 for e in d: file.write(cols % (e.callcount, e.totaltime, e.inlinetime, label(e.code))) count += 1 if limit is not None and count == limit: return ccount = 0 if e.calls: for se in e.calls: file.write(cols % ("+%s" % se.callcount, se.totaltime, se.inlinetime, "+%s" % label(se.code))) count += 1 ccount += 1 if limit is not None and count == limit: return if climit is not None and ccount == climit: break def freeze(self): """Replace all references to code objects with string descriptions; this makes it possible to pickle the instance.""" # this code is probably rather ickier than it needs to be! for i in range(len(self.data)): e = self.data[i] if not isinstance(e.code, str): self.data[i] = type(e)((label(e.code),) + e[1:]) if e.calls: for j in range(len(e.calls)): se = e.calls[j] if not isinstance(se.code, str): e.calls[j] = type(se)((label(se.code),) + se[1:]) _fn2mod = {} def label(code): if isinstance(code, str): return code try: mname = _fn2mod[code.co_filename] except KeyError: for k, v in sys.modules.iteritems(): if v is None: continue if not hasattr(v, '__file__'): continue if not isinstance(v.__file__, str): continue if v.__file__.startswith(code.co_filename): mname = _fn2mod[code.co_filename] = k break else: mname = _fn2mod[code.co_filename] = '<%s>'%code.co_filename return '%s:%d(%s)' % (mname, code.co_firstlineno, code.co_name) if __name__ == '__main__': import os sys.argv = sys.argv[1:] if not sys.argv: print >> sys.stderr, "usage: lsprof.py <script> <arguments...>" sys.exit(2) sys.path.insert(0, os.path.abspath(os.path.dirname(sys.argv[0]))) stats = profile(execfile, sys.argv[0], globals(), locals()) stats.sort() stats.pprint()