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annotate mercurial/lsprofcalltree.py @ 34324:e45ec589f962

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discovery: avoid dropping remote heads hidden locally An extra post processing was added to recognize remote heads that are hidden locally as "common" instead of "unknown". However, this processing was removing such hidden heads from the remote heads sets. It had no impact because we used to pull phase information from all remote heads. This series will replace the phase pulling operation to a more efficient process but requires the unmodified pulled set information.
author Boris Feld <boris.feld@octobus.net>
date Wed, 20 Sep 2017 05:47:33 +0200
parents 5a988b3c9645
children 1ae0faa14797
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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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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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42 def _entry(self, entry):
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43 out_file = self.out_file
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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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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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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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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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85 totaltime = int(subentry.totaltime * 1000)
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86 print('%d %d' % (lineno, totaltime), file=out_file)