| """ |
| 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. |
| """ |
| |
| 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 >> out_file, 'events: Ticks' |
| 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 >> self.out_file, 'summary: %d' % (max_cost,) |
| |
| 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 >> out_file, 'fi=~' |
| else: |
| print >> out_file, 'fi=%s' % (code.co_filename,) |
| print >> out_file, 'fn=%s' % (label(code),) |
| |
| inlinetime = int(entry.inlinetime * 1000) |
| if isinstance(code, str): |
| print >> out_file, '0 ', inlinetime |
| else: |
| print >> out_file, '%d %d' % (code.co_firstlineno, inlinetime) |
| |
| # 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 >> out_file |
| |
| def _subentry(self, lineno, subentry): |
| out_file = self.out_file |
| code = subentry.code |
| #print >> out_file, 'cob=%s' % (code.co_filename,) |
| print >> out_file, 'cfn=%s' % (label(code),) |
| if isinstance(code, str): |
| print >> out_file, 'cfi=~' |
| print >> out_file, 'calls=%d 0' % (subentry.callcount,) |
| else: |
| print >> out_file, 'cfi=%s' % (code.co_filename,) |
| print >> out_file, 'calls=%d %d' % ( |
| subentry.callcount, code.co_firstlineno) |
| |
| totaltime = int(subentry.totaltime * 1000) |
| print >> out_file, '%d %d' % (lineno, totaltime) |
