annotate mercurial/lsprofcalltree.py @ 41631:3d9d5e612e67

subrepo: adjust subrepo prefix before calling subrepo.archive() (API) Differential Revision: https://phab.mercurial-scm.org/D5887
author Martin von Zweigbergk <martinvonz@google.com>
date Thu, 07 Feb 2019 10:20:57 -0800
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children 2372284d9457
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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
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14
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15 from . import (
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16 pycompat,
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17 )
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18
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19 def label(code):
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20 if isinstance(code, str):
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21 # built-in functions ('~' sorts at the end)
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22 return '~' + pycompat.sysbytes(code)
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23 else:
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24 return '%s %s:%d' % (pycompat.sysbytes(code.co_name),
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25 pycompat.sysbytes(code.co_filename),
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26 code.co_firstlineno)
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27
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28 class KCacheGrind(object):
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29 def __init__(self, profiler):
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30 self.data = profiler.getstats()
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31 self.out_file = None
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32
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33 def output(self, out_file):
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34 self.out_file = out_file
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35 out_file.write(b'events: Ticks\n')
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36 self._print_summary()
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37 for entry in self.data:
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38 self._entry(entry)
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39
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40 def _print_summary(self):
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41 max_cost = 0
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42 for entry in self.data:
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43 totaltime = int(entry.totaltime * 1000)
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44 max_cost = max(max_cost, totaltime)
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45 self.out_file.write(b'summary: %d\n' % max_cost)
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47 def _entry(self, entry):
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48 out_file = self.out_file
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49
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50 code = entry.code
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51 if isinstance(code, str):
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52 out_file.write(b'fi=~\n')
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53 else:
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54 out_file.write(b'fi=%s\n' % pycompat.sysbytes(code.co_filename))
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56 out_file.write(b'fn=%s\n' % label(code))
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58 inlinetime = int(entry.inlinetime * 1000)
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59 if isinstance(code, str):
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60 out_file.write(b'0 %d\n' % inlinetime)
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61 else:
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62 out_file.write(b'%d %d\n' % (code.co_firstlineno, inlinetime))
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64 # recursive calls are counted in entry.calls
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65 if entry.calls:
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66 calls = entry.calls
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67 else:
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68 calls = []
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69
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70 if isinstance(code, str):
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71 lineno = 0
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72 else:
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73 lineno = code.co_firstlineno
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74
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75 for subentry in calls:
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76 self._subentry(lineno, subentry)
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78 out_file.write(b'\n')
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79
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80 def _subentry(self, lineno, subentry):
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81 out_file = self.out_file
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82 code = subentry.code
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83 out_file.write(b'cfn=%s\n' % label(code))
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84 if isinstance(code, str):
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85 out_file.write(b'cfi=~\n')
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86 out_file.write(b'calls=%d 0\n' % subentry.callcount)
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87 else:
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88 out_file.write(b'cfi=%s\n' % pycompat.sysbytes(code.co_filename))
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89 out_file.write(b'calls=%d %d\n' % (
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90 subentry.callcount, code.co_firstlineno))
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92 totaltime = int(subentry.totaltime * 1000)
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93 out_file.write(b'%d %d\n' % (lineno, totaltime))