annotate mercurial/lsprofcalltree.py @ 35350:82ee401135dd

py3: handle keyword arguments correctly in cmdutil.py Differential Revision: https://phab.mercurial-scm.org/D1626
author Pulkit Goyal <7895pulkit@gmail.com>
date Sun, 10 Dec 2017 04:45:10 +0530
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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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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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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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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)