annotate mercurial/lsprofcalltree.py @ 50896:b2b8c25f9462

hgwebmod: use sysstr to check for attribute presence We do not need bytes here.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Wed, 30 Aug 2023 13:28:09 +0200
parents 642e31cb55f0
children f4733654f144
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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
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14 from . import pycompat
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16
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17 def label(code):
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18 if isinstance(code, str):
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19 # built-in functions ('~' sorts at the end)
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20 return b'~' + pycompat.sysbytes(code)
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21 else:
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22 return b'%s %s:%d' % (
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23 pycompat.sysbytes(code.co_name),
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24 pycompat.sysbytes(code.co_filename),
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25 code.co_firstlineno,
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26 )
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27
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28
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29 class KCacheGrind:
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30 def __init__(self, profiler):
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31 self.data = profiler.getstats()
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32 self.out_file = None
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33
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34 def output(self, out_file):
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35 self.out_file = out_file
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36 out_file.write(b'events: Ticks\n')
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37 self._print_summary()
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38 for entry in self.data:
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39 self._entry(entry)
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41 def _print_summary(self):
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42 max_cost = 0
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43 for entry in self.data:
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44 totaltime = int(entry.totaltime * 1000)
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45 max_cost = max(max_cost, totaltime)
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46 self.out_file.write(b'summary: %d\n' % max_cost)
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48 def _entry(self, entry):
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49 out_file = self.out_file
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50
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51 code = entry.code
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52 if isinstance(code, str):
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53 out_file.write(b'fi=~\n')
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54 else:
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55 out_file.write(b'fi=%s\n' % pycompat.sysbytes(code.co_filename))
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57 out_file.write(b'fn=%s\n' % label(code))
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59 inlinetime = int(entry.inlinetime * 1000)
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60 if isinstance(code, str):
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61 out_file.write(b'0 %d\n' % inlinetime)
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62 else:
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63 out_file.write(b'%d %d\n' % (code.co_firstlineno, inlinetime))
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65 # recursive calls are counted in entry.calls
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66 if entry.calls:
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67 calls = entry.calls
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68 else:
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69 calls = []
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71 if isinstance(code, str):
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72 lineno = 0
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73 else:
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74 lineno = code.co_firstlineno
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75
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76 for subentry in calls:
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77 self._subentry(lineno, subentry)
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79 out_file.write(b'\n')
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80
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81 def _subentry(self, lineno, subentry):
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82 out_file = self.out_file
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83 code = subentry.code
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84 out_file.write(b'cfn=%s\n' % label(code))
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85 if isinstance(code, str):
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86 out_file.write(b'cfi=~\n')
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87 out_file.write(b'calls=%d 0\n' % subentry.callcount)
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88 else:
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89 out_file.write(b'cfi=%s\n' % pycompat.sysbytes(code.co_filename))
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90 out_file.write(
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91 b'calls=%d %d\n' % (subentry.callcount, code.co_firstlineno)
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92 )
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94 totaltime = int(subentry.totaltime * 1000)
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95 out_file.write(b'%d %d\n' % (lineno, totaltime))