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annotate mercurial/lsprofcalltree.py @ 26534:e4f27fb65da7

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merge: drop special parent assignment in the obsolete case We can safely drop this because the very same assignment is enforcement later in the function. Dropping it will make it simpler to extract the default destination logic in its own function.
author Pierre-Yves David <pierre-yves.david@fb.com>
date Mon, 05 Oct 2015 01:47:33 -0700
parents beae42f3d93b
children 071af8d385a9
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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13 def label(code):
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14 if isinstance(code, str):
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15 return '~' + code # built-in functions ('~' sorts at the end)
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16 else:
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17 return '%s %s:%d' % (code.co_name,
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18 code.co_filename,
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19 code.co_firstlineno)
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20
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21 class KCacheGrind(object):
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22 def __init__(self, profiler):
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23 self.data = profiler.getstats()
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24 self.out_file = None
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25
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26 def output(self, out_file):
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27 self.out_file = out_file
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28 print >> out_file, 'events: Ticks'
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29 self._print_summary()
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30 for entry in self.data:
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31 self._entry(entry)
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32
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33 def _print_summary(self):
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34 max_cost = 0
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35 for entry in self.data:
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36 totaltime = int(entry.totaltime * 1000)
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37 max_cost = max(max_cost, totaltime)
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38 print >> self.out_file, 'summary: %d' % (max_cost,)
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39
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40 def _entry(self, entry):
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41 out_file = self.out_file
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42
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43 code = entry.code
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44 #print >> out_file, 'ob=%s' % (code.co_filename,)
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45 if isinstance(code, str):
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46 print >> out_file, 'fi=~'
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47 else:
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48 print >> out_file, 'fi=%s' % (code.co_filename,)
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49 print >> out_file, 'fn=%s' % (label(code),)
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50
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51 inlinetime = int(entry.inlinetime * 1000)
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52 if isinstance(code, str):
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53 print >> out_file, '0 ', inlinetime
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54 else:
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55 print >> out_file, '%d %d' % (code.co_firstlineno, inlinetime)
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56
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57 # recursive calls are counted in entry.calls
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58 if entry.calls:
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59 calls = entry.calls
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60 else:
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61 calls = []
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62
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63 if isinstance(code, str):
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64 lineno = 0
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65 else:
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66 lineno = code.co_firstlineno
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67
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68 for subentry in calls:
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69 self._subentry(lineno, subentry)
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70 print >> out_file
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71
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72 def _subentry(self, lineno, subentry):
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73 out_file = self.out_file
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74 code = subentry.code
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75 #print >> out_file, 'cob=%s' % (code.co_filename,)
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76 print >> out_file, 'cfn=%s' % (label(code),)
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77 if isinstance(code, str):
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78 print >> out_file, 'cfi=~'
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79 print >> out_file, 'calls=%d 0' % (subentry.callcount,)
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80 else:
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81 print >> out_file, 'cfi=%s' % (code.co_filename,)
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82 print >> out_file, 'calls=%d %d' % (
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83 subentry.callcount, code.co_firstlineno)
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84
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85 totaltime = int(subentry.totaltime * 1000)
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86 print >> out_file, '%d %d' % (lineno, totaltime)