Mercurial > hg
annotate mercurial/lsprofcalltree.py @ 45658:6569b2371240
tests: back out accidentally queued changeset 0627cd03b1e9
I accidentally queued other people's patches on top of my own and
pushed mine along with theirs.
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Thu, 08 Oct 2020 23:14:41 -0700 |
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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 |
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14 |
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15 from . import pycompat |
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16 |
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17 |
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18 def label(code): |
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19 if isinstance(code, str): |
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20 # built-in functions ('~' sorts at the end) |
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21 return b'~' + pycompat.sysbytes(code) |
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22 else: |
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23 return b'%s %s:%d' % ( |
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24 pycompat.sysbytes(code.co_name), |
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25 pycompat.sysbytes(code.co_filename), |
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26 code.co_firstlineno, |
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27 ) |
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28 |
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29 |
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30 class KCacheGrind(object): |
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31 def __init__(self, profiler): |
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32 self.data = profiler.getstats() |
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33 self.out_file = None |
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34 |
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35 def output(self, out_file): |
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36 self.out_file = out_file |
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37 out_file.write(b'events: Ticks\n') |
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38 self._print_summary() |
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39 for entry in self.data: |
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40 self._entry(entry) |
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41 |
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42 def _print_summary(self): |
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43 max_cost = 0 |
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44 for entry in self.data: |
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45 totaltime = int(entry.totaltime * 1000) |
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46 max_cost = max(max_cost, totaltime) |
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47 self.out_file.write(b'summary: %d\n' % max_cost) |
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48 |
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49 def _entry(self, entry): |
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50 out_file = self.out_file |
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51 |
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52 code = entry.code |
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53 if isinstance(code, str): |
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54 out_file.write(b'fi=~\n') |
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55 else: |
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56 out_file.write(b'fi=%s\n' % pycompat.sysbytes(code.co_filename)) |
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57 |
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58 out_file.write(b'fn=%s\n' % label(code)) |
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59 |
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60 inlinetime = int(entry.inlinetime * 1000) |
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61 if isinstance(code, str): |
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62 out_file.write(b'0 %d\n' % inlinetime) |
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63 else: |
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64 out_file.write(b'%d %d\n' % (code.co_firstlineno, inlinetime)) |
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65 |
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66 # recursive calls are counted in entry.calls |
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67 if entry.calls: |
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68 calls = entry.calls |
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69 else: |
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70 calls = [] |
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71 |
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72 if isinstance(code, str): |
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73 lineno = 0 |
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74 else: |
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75 lineno = code.co_firstlineno |
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76 |
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77 for subentry in calls: |
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78 self._subentry(lineno, subentry) |
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79 |
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80 out_file.write(b'\n') |
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81 |
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82 def _subentry(self, lineno, subentry): |
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83 out_file = self.out_file |
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84 code = subentry.code |
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85 out_file.write(b'cfn=%s\n' % label(code)) |
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86 if isinstance(code, str): |
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87 out_file.write(b'cfi=~\n') |
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88 out_file.write(b'calls=%d 0\n' % subentry.callcount) |
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89 else: |
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90 out_file.write(b'cfi=%s\n' % pycompat.sysbytes(code.co_filename)) |
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91 out_file.write( |
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92 b'calls=%d %d\n' % (subentry.callcount, code.co_firstlineno) |
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93 ) |
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95 totaltime = int(subentry.totaltime * 1000) |
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96 out_file.write(b'%d %d\n' % (lineno, totaltime)) |