Mercurial > hg
annotate mercurial/lsprofcalltree.py @ 35422:8801cdcea01f
copies: extract method for getting non-wdir forward copies
I may add an alternative way of getting copy metadata (from changelog,
not filelog) but the chaining with the dirstate copy metadata will be
the same, so it will probably help to have this extracted. Even if
that doesn't happen, the next patch will show that we can simplify
this a bit after this refactoring, so it seems worth it regardless.
Differential Revision: https://phab.mercurial-scm.org/D1697
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Thu, 14 Dec 2017 00:18:38 -0800 |
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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 from __future__ import absolute_import, print_function |
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14 |
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15 def label(code): |
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16 if isinstance(code, str): |
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17 return '~' + code # built-in functions ('~' sorts at the end) |
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18 else: |
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19 return '%s %s:%d' % (code.co_name, |
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20 code.co_filename, |
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21 code.co_firstlineno) |
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22 |
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23 class KCacheGrind(object): |
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24 def __init__(self, profiler): |
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25 self.data = profiler.getstats() |
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26 self.out_file = None |
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27 |
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28 def output(self, out_file): |
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29 self.out_file = out_file |
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30 print('events: Ticks', file=out_file) |
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31 self._print_summary() |
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32 for entry in self.data: |
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33 self._entry(entry) |
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34 |
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35 def _print_summary(self): |
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36 max_cost = 0 |
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37 for entry in self.data: |
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38 totaltime = int(entry.totaltime * 1000) |
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39 max_cost = max(max_cost, totaltime) |
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40 print('summary: %d' % max_cost, file=self.out_file) |
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41 |
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42 def _entry(self, entry): |
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43 out_file = self.out_file |
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44 |
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45 code = entry.code |
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46 if isinstance(code, str): |
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47 print('fi=~', file=out_file) |
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48 else: |
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49 print('fi=%s' % code.co_filename, file=out_file) |
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50 print('fn=%s' % label(code), file=out_file) |
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51 |
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52 inlinetime = int(entry.inlinetime * 1000) |
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53 if isinstance(code, str): |
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54 print('0 ', inlinetime, file=out_file) |
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55 else: |
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56 print('%d %d' % (code.co_firstlineno, inlinetime), file=out_file) |
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57 |
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58 # recursive calls are counted in entry.calls |
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59 if entry.calls: |
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60 calls = entry.calls |
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61 else: |
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62 calls = [] |
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63 |
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64 if isinstance(code, str): |
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65 lineno = 0 |
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66 else: |
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67 lineno = code.co_firstlineno |
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68 |
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69 for subentry in calls: |
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70 self._subentry(lineno, subentry) |
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71 print(file=out_file) |
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72 |
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73 def _subentry(self, lineno, subentry): |
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74 out_file = self.out_file |
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75 code = subentry.code |
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76 print('cfn=%s' % label(code), file=out_file) |
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77 if isinstance(code, str): |
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78 print('cfi=~', file=out_file) |
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79 print('calls=%d 0' % subentry.callcount, file=out_file) |
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80 else: |
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81 print('cfi=%s' % code.co_filename, file=out_file) |
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82 print('calls=%d %d' % ( |
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83 subentry.callcount, code.co_firstlineno), file=out_file) |
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84 |
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85 totaltime = int(subentry.totaltime * 1000) |
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86 print('%d %d' % (lineno, totaltime), file=out_file) |