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@@ -1,86 +1,88 | |||
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1 | 1 | """ |
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2 | 2 | lsprofcalltree.py - lsprof output which is readable by kcachegrind |
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3 | 3 | |
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4 | 4 | Authors: |
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5 | 5 | * David Allouche <david <at> allouche.net> |
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6 | 6 | * Jp Calderone & Itamar Shtull-Trauring |
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7 | 7 | * Johan Dahlin |
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8 | 8 | |
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9 | 9 | This software may be used and distributed according to the terms |
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10 | 10 | of the GNU General Public License, incorporated herein by reference. |
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11 | 11 | """ |
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12 | 12 | |
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13 |
from __future__ import absolute_import |
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13 | from __future__ import absolute_import | |
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14 | 14 | |
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15 | 15 | def label(code): |
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16 | 16 | if isinstance(code, str): |
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17 | 17 | return '~' + code # built-in functions ('~' sorts at the end) |
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18 | 18 | else: |
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19 | 19 | return '%s %s:%d' % (code.co_name, |
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20 | 20 | code.co_filename, |
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21 | 21 | code.co_firstlineno) |
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22 | 22 | |
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23 | 23 | class KCacheGrind(object): |
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24 | 24 | def __init__(self, profiler): |
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25 | 25 | self.data = profiler.getstats() |
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26 | 26 | self.out_file = None |
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27 | 27 | |
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28 | 28 | def output(self, out_file): |
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29 | 29 | self.out_file = out_file |
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30 |
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30 | out_file.write(b'events: Ticks\n') | |
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31 | 31 | self._print_summary() |
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32 | 32 | for entry in self.data: |
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33 | 33 | self._entry(entry) |
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34 | 34 | |
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35 | 35 | def _print_summary(self): |
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36 | 36 | max_cost = 0 |
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37 | 37 | for entry in self.data: |
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38 | 38 | totaltime = int(entry.totaltime * 1000) |
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39 | 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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40 | self.out_file.write(b'summary: %d\n' % max_cost) | |
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41 | 41 | |
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42 | 42 | def _entry(self, entry): |
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43 | 43 | out_file = self.out_file |
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44 | 44 | |
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45 | 45 | code = entry.code |
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46 | 46 | if isinstance(code, str): |
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47 | print('fi=~', file=out_file) | |
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47 | out_file.write(b'fi=~\n') | |
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48 | 48 | else: |
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49 |
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50 | print('fn=%s' % label(code), file=out_file) | |
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49 | out_file.write(b'fi=%s\n' % code.co_filename) | |
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50 | ||
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51 | out_file.write(b'fn=%s\n' % label(code)) | |
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51 | 52 | |
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52 | 53 | inlinetime = int(entry.inlinetime * 1000) |
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53 | 54 | if isinstance(code, str): |
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54 |
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55 | out_file.write(b'0 %d\n' % inlinetime) | |
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55 | 56 | else: |
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56 |
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57 | out_file.write(b'%d %d\n' % (code.co_firstlineno, inlinetime)) | |
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57 | 58 | |
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58 | 59 | # recursive calls are counted in entry.calls |
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59 | 60 | if entry.calls: |
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60 | 61 | calls = entry.calls |
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61 | 62 | else: |
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62 | 63 | calls = [] |
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63 | 64 | |
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64 | 65 | if isinstance(code, str): |
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65 | 66 | lineno = 0 |
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66 | 67 | else: |
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67 | 68 | lineno = code.co_firstlineno |
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68 | 69 | |
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69 | 70 | for subentry in calls: |
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70 | 71 | self._subentry(lineno, subentry) |
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71 | print(file=out_file) | |
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72 | ||
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73 | out_file.write(b'\n') | |
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72 | 74 | |
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73 | 75 | def _subentry(self, lineno, subentry): |
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74 | 76 | out_file = self.out_file |
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75 | 77 | code = subentry.code |
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76 |
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78 | out_file.write(b'cfn=%s\n' % label(code)) | |
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77 | 79 | if isinstance(code, str): |
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78 | print('cfi=~', file=out_file) | |
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79 |
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80 | out_file.write(b'cfi=~\n') | |
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81 | out_file.write(b'calls=%d 0\n' % subentry.callcount) | |
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80 | 82 | else: |
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81 |
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82 |
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83 |
subentry.callcount, code.co_firstlineno) |
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83 | out_file.write(b'cfi=%s\n' % code.co_filename) | |
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84 | out_file.write(b'calls=%d %d\n' % ( | |
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85 | subentry.callcount, code.co_firstlineno)) | |
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84 | 86 | |
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85 | 87 | totaltime = int(subentry.totaltime * 1000) |
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86 |
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88 | out_file.write(b'%d %d\n' % (lineno, totaltime)) |
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