Mercurial > hg
annotate mercurial/lsprofcalltree.py @ 12583:903828be7397
mq: explain qpush -f better
author | Mads Kiilerich <mads@kiilerich.com> |
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date | Wed, 29 Sep 2010 01:32:50 +0200 |
parents | beae42f3d93b |
children | 071af8d385a9 |
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profiling: Adding support for kcachegrind output format, using lsprofcalltree
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1 """ |
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2 lsprofcalltree.py - lsprof output which is readable by kcachegrind |
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3 |
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4 Authors: |
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5 * David Allouche <david <at> allouche.net> |
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6 * Jp Calderone & Itamar Shtull-Trauring |
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7 * Johan Dahlin |
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8 |
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9 This software may be used and distributed according to the terms |
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10 of the GNU General Public License, incorporated herein by reference. |
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11 """ |
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12 |
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13 def label(code): |
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14 if isinstance(code, str): |
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15 return '~' + code # built-in functions ('~' sorts at the end) |
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16 else: |
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17 return '%s %s:%d' % (code.co_name, |
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18 code.co_filename, |
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19 code.co_firstlineno) |
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20 |
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21 class KCacheGrind(object): |
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22 def __init__(self, profiler): |
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23 self.data = profiler.getstats() |
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24 self.out_file = None |
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25 |
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26 def output(self, out_file): |
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27 self.out_file = out_file |
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28 print >> out_file, 'events: Ticks' |
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29 self._print_summary() |
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30 for entry in self.data: |
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31 self._entry(entry) |
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32 |
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33 def _print_summary(self): |
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34 max_cost = 0 |
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35 for entry in self.data: |
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36 totaltime = int(entry.totaltime * 1000) |
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37 max_cost = max(max_cost, totaltime) |
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38 print >> self.out_file, 'summary: %d' % (max_cost,) |
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39 |
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40 def _entry(self, entry): |
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41 out_file = self.out_file |
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42 |
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43 code = entry.code |
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44 #print >> out_file, 'ob=%s' % (code.co_filename,) |
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45 if isinstance(code, str): |
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46 print >> out_file, 'fi=~' |
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47 else: |
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48 print >> out_file, 'fi=%s' % (code.co_filename,) |
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49 print >> out_file, 'fn=%s' % (label(code),) |
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50 |
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51 inlinetime = int(entry.inlinetime * 1000) |
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52 if isinstance(code, str): |
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53 print >> out_file, '0 ', inlinetime |
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54 else: |
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55 print >> out_file, '%d %d' % (code.co_firstlineno, inlinetime) |
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56 |
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57 # recursive calls are counted in entry.calls |
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58 if entry.calls: |
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59 calls = entry.calls |
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60 else: |
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61 calls = [] |
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62 |
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63 if isinstance(code, str): |
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64 lineno = 0 |
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65 else: |
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66 lineno = code.co_firstlineno |
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67 |
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68 for subentry in calls: |
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69 self._subentry(lineno, subentry) |
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70 print >> out_file |
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71 |
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72 def _subentry(self, lineno, subentry): |
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73 out_file = self.out_file |
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74 code = subentry.code |
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75 #print >> out_file, 'cob=%s' % (code.co_filename,) |
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76 print >> out_file, 'cfn=%s' % (label(code),) |
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77 if isinstance(code, str): |
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78 print >> out_file, 'cfi=~' |
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79 print >> out_file, 'calls=%d 0' % (subentry.callcount,) |
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80 else: |
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81 print >> out_file, 'cfi=%s' % (code.co_filename,) |
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82 print >> out_file, 'calls=%d %d' % ( |
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83 subentry.callcount, code.co_firstlineno) |
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84 |
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85 totaltime = int(subentry.totaltime * 1000) |
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86 print >> out_file, '%d %d' % (lineno, totaltime) |