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annotate mercurial/lsprofcalltree.py @ 33140:bf1292c057ef

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configitems: add a devel warning for extensions items overiding core one We do not want such case to pass silently. In the future we'll likely have useful tool for an extension to alter the existing definition in core.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Sun, 18 Jun 2017 19:52:54 +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)