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annotate mercurial/lsprofcalltree.py @ 27505:071af8d385a9

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lsprofcalltree: use absolute_import
author Gregory Szorc <gregory.szorc@gmail.com>
date Mon, 21 Dec 2015 21:44:15 -0800
parents beae42f3d93b
children 5a988b3c9645
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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071af8d385a9 lsprofcalltree: use absolute_import
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13 from __future__ import absolute_import
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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 >> out_file, 'events: Ticks'
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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 >> self.out_file, 'summary: %d' % (max_cost,)
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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 #print >> out_file, 'ob=%s' % (code.co_filename,)
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47 if isinstance(code, str):
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48 print >> out_file, 'fi=~'
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49 else:
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50 print >> out_file, 'fi=%s' % (code.co_filename,)
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51 print >> out_file, 'fn=%s' % (label(code),)
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52
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53 inlinetime = int(entry.inlinetime * 1000)
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54 if isinstance(code, str):
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55 print >> out_file, '0 ', inlinetime
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56 else:
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57 print >> out_file, '%d %d' % (code.co_firstlineno, inlinetime)
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58
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59 # recursive calls are counted in entry.calls
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60 if entry.calls:
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61 calls = entry.calls
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62 else:
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63 calls = []
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64
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65 if isinstance(code, str):
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66 lineno = 0
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67 else:
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68 lineno = code.co_firstlineno
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69
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70 for subentry in calls:
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71 self._subentry(lineno, subentry)
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72 print >> out_file
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73
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74 def _subentry(self, lineno, subentry):
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75 out_file = self.out_file
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76 code = subentry.code
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77 #print >> out_file, 'cob=%s' % (code.co_filename,)
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78 print >> out_file, 'cfn=%s' % (label(code),)
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79 if isinstance(code, str):
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80 print >> out_file, 'cfi=~'
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81 print >> out_file, 'calls=%d 0' % (subentry.callcount,)
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82 else:
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83 print >> out_file, 'cfi=%s' % (code.co_filename,)
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84 print >> out_file, 'calls=%d %d' % (
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85 subentry.callcount, code.co_firstlineno)
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86
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87 totaltime = int(subentry.totaltime * 1000)
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88 print >> out_file, '%d %d' % (lineno, totaltime)