Mercurial > hg
annotate contrib/perf.py @ 29783:5d44197c208b
profiling: make profiling functions context managers (API)
This makes profiling more flexible since we can now call multiple
functions when a profiler is active. But the real reason for this
is to enable a future consumer to profile a function that returns
a generator. We can't do this from the profiling function itself
because functions can either be generators or have return values:
they can't be both. So therefore it isn't possible to have a generic
profiling function that can both consume and re-emit a generator
and return a value.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sun, 14 Aug 2016 18:25:22 -0700 |
parents | 7e2b389418da |
children | 973cf6c3de30 |
rev | line source |
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1 # perf.py - performance test routines |
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2 '''helper extension to measure performance''' |
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3 |
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4 # "historical portability" policy of perf.py: |
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5 # |
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6 # We have to do: |
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7 # - make perf.py "loadable" with as wide Mercurial version as possible |
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8 # This doesn't mean that perf commands work correctly with that Mercurial. |
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9 # BTW, perf.py itself has been available since 1.1 (or eb240755386d). |
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10 # - make historical perf command work correctly with as wide Mercurial |
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11 # version as possible |
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12 # |
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13 # We have to do, if possible with reasonable cost: |
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14 # - make recent perf command for historical feature work correctly |
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15 # with early Mercurial |
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16 # |
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17 # We don't have to do: |
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18 # - make perf command for recent feature work correctly with early |
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19 # Mercurial |
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20 |
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21 from __future__ import absolute_import |
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22 import functools |
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23 import os |
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24 import random |
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25 import sys |
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26 import time |
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27 from mercurial import ( |
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28 cmdutil, |
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29 commands, |
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30 copies, |
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31 error, |
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32 extensions, |
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33 mdiff, |
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34 merge, |
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35 revlog, |
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36 util, |
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37 ) |
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38 |
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39 # for "historical portability": |
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40 # try to import modules separately (in dict order), and ignore |
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41 # failure, because these aren't available with early Mercurial |
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42 try: |
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43 from mercurial import branchmap # since 2.5 (or bcee63733aad) |
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44 except ImportError: |
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45 pass |
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46 try: |
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47 from mercurial import obsolete # since 2.3 (or ad0d6c2b3279) |
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48 except ImportError: |
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49 pass |
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50 try: |
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51 from mercurial import repoview # since 2.5 (or 3a6ddacb7198) |
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52 except ImportError: |
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53 pass |
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54 try: |
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55 from mercurial import scmutil # since 1.9 (or 8b252e826c68) |
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56 except ImportError: |
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57 pass |
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58 |
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59 # for "historical portability": |
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60 # define util.safehasattr forcibly, because util.safehasattr has been |
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61 # available since 1.9.3 (or 94b200a11cf7) |
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62 _undefined = object() |
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63 def safehasattr(thing, attr): |
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64 return getattr(thing, attr, _undefined) is not _undefined |
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65 setattr(util, 'safehasattr', safehasattr) |
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66 |
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67 # for "historical portability": |
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68 # use locally defined empty option list, if formatteropts isn't |
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69 # available, because commands.formatteropts has been available since |
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70 # 3.2 (or 7a7eed5176a4), even though formatting itself has been |
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71 # available since 2.2 (or ae5f92e154d3) |
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72 formatteropts = getattr(commands, "formatteropts", []) |
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73 |
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74 # for "historical portability": |
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75 # use locally defined option list, if debugrevlogopts isn't available, |
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76 # because commands.debugrevlogopts has been available since 3.7 (or |
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77 # 5606f7d0d063), even though cmdutil.openrevlog() has been available |
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78 # since 1.9 (or a79fea6b3e77). |
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79 revlogopts = getattr(commands, "debugrevlogopts", [ |
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80 ('c', 'changelog', False, ('open changelog')), |
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81 ('m', 'manifest', False, ('open manifest')), |
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82 ('', 'dir', False, ('open directory manifest')), |
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83 ]) |
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84 |
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85 cmdtable = {} |
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86 |
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87 # for "historical portability": |
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88 # define parsealiases locally, because cmdutil.parsealiases has been |
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89 # available since 1.5 (or 6252852b4332) |
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90 def parsealiases(cmd): |
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91 return cmd.lstrip("^").split("|") |
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92 |
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93 if safehasattr(cmdutil, 'command'): |
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94 import inspect |
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95 command = cmdutil.command(cmdtable) |
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96 if 'norepo' not in inspect.getargspec(command)[0]: |
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97 # for "historical portability": |
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98 # wrap original cmdutil.command, because "norepo" option has |
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99 # been available since 3.1 (or 75a96326cecb) |
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100 _command = command |
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101 def command(name, options=(), synopsis=None, norepo=False): |
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102 if norepo: |
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103 commands.norepo += ' %s' % ' '.join(parsealiases(name)) |
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104 return _command(name, list(options), synopsis) |
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105 else: |
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106 # for "historical portability": |
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107 # define "@command" annotation locally, because cmdutil.command |
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108 # has been available since 1.9 (or 2daa5179e73f) |
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109 def command(name, options=(), synopsis=None, norepo=False): |
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110 def decorator(func): |
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111 if synopsis: |
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112 cmdtable[name] = func, list(options), synopsis |
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113 else: |
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114 cmdtable[name] = func, list(options) |
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115 if norepo: |
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116 commands.norepo += ' %s' % ' '.join(parsealiases(name)) |
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117 return func |
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118 return decorator |
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119 |
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121 if ui.configbool("perf", "stub"): | |
122 return lambda x: 1 | |
123 return len | |
124 | |
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125 def gettimer(ui, opts=None): |
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126 """return a timer function and formatter: (timer, formatter) |
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127 |
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128 This function exists to gather the creation of formatter in a single |
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129 place instead of duplicating it in all performance commands.""" |
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130 |
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131 # enforce an idle period before execution to counteract power management |
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132 # experimental config: perf.presleep |
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133 time.sleep(ui.configint("perf", "presleep", 1)) |
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134 |
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135 if opts is None: |
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136 opts = {} |
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137 # redirect all to stderr |
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138 ui = ui.copy() |
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139 ui.fout = ui.ferr |
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140 # get a formatter |
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141 fm = ui.formatter('perf', opts) |
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142 # stub function, runs code only once instead of in a loop |
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143 # experimental config: perf.stub |
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144 if ui.configbool("perf", "stub"): |
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145 return functools.partial(stub_timer, fm), fm |
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146 return functools.partial(_timer, fm), fm |
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147 |
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148 def stub_timer(fm, func, title=None): |
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149 func() |
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150 |
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151 def _timer(fm, func, title=None): |
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152 results = [] |
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153 begin = time.time() |
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154 count = 0 |
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155 while True: |
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156 ostart = os.times() |
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157 cstart = time.time() |
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158 r = func() |
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159 cstop = time.time() |
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160 ostop = os.times() |
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161 count += 1 |
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162 a, b = ostart, ostop |
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163 results.append((cstop - cstart, b[0] - a[0], b[1]-a[1])) |
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164 if cstop - begin > 3 and count >= 100: |
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165 break |
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166 if cstop - begin > 10 and count >= 3: |
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167 break |
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168 |
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169 fm.startitem() |
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170 |
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171 if title: |
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172 fm.write('title', '! %s\n', title) |
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173 if r: |
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174 fm.write('result', '! result: %s\n', r) |
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175 m = min(results) |
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176 fm.plain('!') |
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177 fm.write('wall', ' wall %f', m[0]) |
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178 fm.write('comb', ' comb %f', m[1] + m[2]) |
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179 fm.write('user', ' user %f', m[1]) |
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180 fm.write('sys', ' sys %f', m[2]) |
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181 fm.write('count', ' (best of %d)', count) |
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182 fm.plain('\n') |
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183 |
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184 @command('perfwalk', formatteropts) |
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185 def perfwalk(ui, repo, *pats, **opts): |
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186 timer, fm = gettimer(ui, opts) |
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187 try: |
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188 m = scmutil.match(repo[None], pats, {}) |
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189 timer(lambda: len(list(repo.dirstate.walk(m, [], True, False)))) |
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190 except Exception: |
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191 try: |
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192 m = scmutil.match(repo[None], pats, {}) |
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193 timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)])) |
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194 except Exception: |
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195 timer(lambda: len(list(cmdutil.walk(repo, pats, {})))) |
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196 fm.end() |
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197 |
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198 @command('perfannotate', formatteropts) |
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199 def perfannotate(ui, repo, f, **opts): |
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200 timer, fm = gettimer(ui, opts) |
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201 fc = repo['.'][f] |
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202 timer(lambda: len(fc.annotate(True))) |
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203 fm.end() |
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204 |
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205 @command('perfstatus', |
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206 [('u', 'unknown', False, |
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207 'ask status to look for unknown files')] + formatteropts) |
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208 def perfstatus(ui, repo, **opts): |
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209 #m = match.always(repo.root, repo.getcwd()) |
16683 | 210 #timer(lambda: sum(map(len, repo.dirstate.status(m, [], False, False, |
211 # False)))) | |
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212 timer, fm = gettimer(ui, opts) |
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213 timer(lambda: sum(map(len, repo.status(unknown=opts['unknown'])))) |
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214 fm.end() |
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215 |
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216 @command('perfaddremove', formatteropts) |
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217 def perfaddremove(ui, repo, **opts): |
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218 timer, fm = gettimer(ui, opts) |
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219 try: |
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220 oldquiet = repo.ui.quiet |
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221 repo.ui.quiet = True |
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222 matcher = scmutil.match(repo[None]) |
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223 timer(lambda: scmutil.addremove(repo, matcher, "", dry_run=True)) |
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224 finally: |
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225 repo.ui.quiet = oldquiet |
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226 fm.end() |
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227 |
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228 def clearcaches(cl): |
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229 # behave somewhat consistently across internal API changes |
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230 if util.safehasattr(cl, 'clearcaches'): |
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231 cl.clearcaches() |
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232 elif util.safehasattr(cl, '_nodecache'): |
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233 from mercurial.node import nullid, nullrev |
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234 cl._nodecache = {nullid: nullrev} |
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235 cl._nodepos = None |
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236 |
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237 @command('perfheads', formatteropts) |
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238 def perfheads(ui, repo, **opts): |
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239 timer, fm = gettimer(ui, opts) |
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240 cl = repo.changelog |
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241 def d(): |
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242 len(cl.headrevs()) |
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243 clearcaches(cl) |
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244 timer(d) |
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245 fm.end() |
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246 |
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247 @command('perftags', formatteropts) |
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248 def perftags(ui, repo, **opts): |
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249 import mercurial.changelog |
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250 import mercurial.manifest |
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251 timer, fm = gettimer(ui, opts) |
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252 def t(): |
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253 repo.changelog = mercurial.changelog.changelog(repo.svfs) |
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254 repo.manifest = mercurial.manifest.manifest(repo.svfs) |
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255 repo._tags = None |
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256 return len(repo.tags()) |
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257 timer(t) |
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258 fm.end() |
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259 |
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260 @command('perfancestors', formatteropts) |
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261 def perfancestors(ui, repo, **opts): |
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262 timer, fm = gettimer(ui, opts) |
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263 heads = repo.changelog.headrevs() |
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264 def d(): |
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265 for a in repo.changelog.ancestors(heads): |
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266 pass |
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267 timer(d) |
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268 fm.end() |
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269 |
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270 @command('perfancestorset', formatteropts) |
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271 def perfancestorset(ui, repo, revset, **opts): |
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272 timer, fm = gettimer(ui, opts) |
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273 revs = repo.revs(revset) |
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274 heads = repo.changelog.headrevs() |
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275 def d(): |
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276 s = repo.changelog.ancestors(heads) |
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277 for rev in revs: |
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278 rev in s |
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279 timer(d) |
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280 fm.end() |
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281 |
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282 @command('perfdirs', formatteropts) |
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283 def perfdirs(ui, repo, **opts): |
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284 timer, fm = gettimer(ui, opts) |
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285 dirstate = repo.dirstate |
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286 'a' in dirstate |
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287 def d(): |
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288 dirstate.dirs() |
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289 del dirstate._dirs |
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290 timer(d) |
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291 fm.end() |
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292 |
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293 @command('perfdirstate', formatteropts) |
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294 def perfdirstate(ui, repo, **opts): |
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295 timer, fm = gettimer(ui, opts) |
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296 "a" in repo.dirstate |
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297 def d(): |
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298 repo.dirstate.invalidate() |
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299 "a" in repo.dirstate |
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300 timer(d) |
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301 fm.end() |
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302 |
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303 @command('perfdirstatedirs', formatteropts) |
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304 def perfdirstatedirs(ui, repo, **opts): |
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305 timer, fm = gettimer(ui, opts) |
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306 "a" in repo.dirstate |
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307 def d(): |
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308 "a" in repo.dirstate._dirs |
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309 del repo.dirstate._dirs |
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310 timer(d) |
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311 fm.end() |
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312 |
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313 @command('perfdirstatefoldmap', formatteropts) |
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314 def perfdirstatefoldmap(ui, repo, **opts): |
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315 timer, fm = gettimer(ui, opts) |
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316 dirstate = repo.dirstate |
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317 'a' in dirstate |
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318 def d(): |
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319 dirstate._filefoldmap.get('a') |
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320 del dirstate._filefoldmap |
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321 timer(d) |
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322 fm.end() |
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323 |
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324 @command('perfdirfoldmap', formatteropts) |
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325 def perfdirfoldmap(ui, repo, **opts): |
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326 timer, fm = gettimer(ui, opts) |
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327 dirstate = repo.dirstate |
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328 'a' in dirstate |
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329 def d(): |
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330 dirstate._dirfoldmap.get('a') |
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331 del dirstate._dirfoldmap |
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332 del dirstate._dirs |
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333 timer(d) |
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334 fm.end() |
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335 |
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336 @command('perfdirstatewrite', formatteropts) |
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337 def perfdirstatewrite(ui, repo, **opts): |
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338 timer, fm = gettimer(ui, opts) |
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339 ds = repo.dirstate |
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340 "a" in ds |
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341 def d(): |
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342 ds._dirty = True |
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343 ds.write(repo.currenttransaction()) |
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344 timer(d) |
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345 fm.end() |
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346 |
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347 @command('perfmergecalculate', |
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348 [('r', 'rev', '.', 'rev to merge against')] + formatteropts) |
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349 def perfmergecalculate(ui, repo, rev, **opts): |
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350 timer, fm = gettimer(ui, opts) |
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351 wctx = repo[None] |
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352 rctx = scmutil.revsingle(repo, rev, rev) |
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353 ancestor = wctx.ancestor(rctx) |
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354 # we don't want working dir files to be stat'd in the benchmark, so prime |
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355 # that cache |
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356 wctx.dirty() |
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357 def d(): |
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358 # acceptremote is True because we don't want prompts in the middle of |
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359 # our benchmark |
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360 merge.calculateupdates(repo, wctx, rctx, [ancestor], False, False, |
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361 acceptremote=True, followcopies=True) |
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362 timer(d) |
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363 fm.end() |
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364 |
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365 @command('perfpathcopies', [], "REV REV") |
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366 def perfpathcopies(ui, repo, rev1, rev2, **opts): |
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367 timer, fm = gettimer(ui, opts) |
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368 ctx1 = scmutil.revsingle(repo, rev1, rev1) |
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369 ctx2 = scmutil.revsingle(repo, rev2, rev2) |
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370 def d(): |
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371 copies.pathcopies(ctx1, ctx2) |
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372 timer(d) |
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373 fm.end() |
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374 |
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375 @command('perfmanifest', [], 'REV') |
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376 def perfmanifest(ui, repo, rev, **opts): |
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377 timer, fm = gettimer(ui, opts) |
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378 ctx = scmutil.revsingle(repo, rev, rev) |
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379 t = ctx.manifestnode() |
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380 def d(): |
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381 repo.manifest.clearcaches() |
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382 repo.manifest.read(t) |
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383 timer(d) |
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384 fm.end() |
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385 |
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386 @command('perfchangeset', formatteropts) |
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387 def perfchangeset(ui, repo, rev, **opts): |
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388 timer, fm = gettimer(ui, opts) |
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389 n = repo[rev].node() |
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390 def d(): |
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391 repo.changelog.read(n) |
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392 #repo.changelog._cache = None |
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393 timer(d) |
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394 fm.end() |
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395 |
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396 @command('perfindex', formatteropts) |
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397 def perfindex(ui, repo, **opts): |
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398 import mercurial.revlog |
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399 timer, fm = gettimer(ui, opts) |
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400 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg |
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401 n = repo["tip"].node() |
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402 def d(): |
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403 cl = mercurial.revlog.revlog(repo.svfs, "00changelog.i") |
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404 cl.rev(n) |
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405 timer(d) |
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406 fm.end() |
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407 |
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408 @command('perfstartup', formatteropts) |
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409 def perfstartup(ui, repo, **opts): |
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410 timer, fm = gettimer(ui, opts) |
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411 cmd = sys.argv[0] |
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412 def d(): |
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413 if os.name != 'nt': |
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414 os.system("HGRCPATH= %s version -q > /dev/null" % cmd) |
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415 else: |
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416 os.environ['HGRCPATH'] = '' |
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417 os.system("%s version -q > NUL" % cmd) |
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418 timer(d) |
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419 fm.end() |
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420 |
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421 @command('perfparents', formatteropts) |
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422 def perfparents(ui, repo, **opts): |
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423 timer, fm = gettimer(ui, opts) |
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424 # control the number of commits perfparents iterates over |
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425 # experimental config: perf.parentscount |
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426 count = ui.configint("perf", "parentscount", 1000) |
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427 if len(repo.changelog) < count: |
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428 raise error.Abort("repo needs %d commits for this test" % count) |
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429 repo = repo.unfiltered() |
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430 nl = [repo.changelog.node(i) for i in xrange(count)] |
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431 def d(): |
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432 for n in nl: |
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433 repo.changelog.parents(n) |
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434 timer(d) |
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435 fm.end() |
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436 |
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437 @command('perfctxfiles', formatteropts) |
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438 def perfctxfiles(ui, repo, x, **opts): |
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439 x = int(x) |
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440 timer, fm = gettimer(ui, opts) |
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441 def d(): |
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442 len(repo[x].files()) |
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443 timer(d) |
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444 fm.end() |
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445 |
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446 @command('perfrawfiles', formatteropts) |
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447 def perfrawfiles(ui, repo, x, **opts): |
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448 x = int(x) |
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449 timer, fm = gettimer(ui, opts) |
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450 cl = repo.changelog |
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451 def d(): |
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452 len(cl.read(x)[3]) |
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453 timer(d) |
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454 fm.end() |
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455 |
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456 @command('perflookup', formatteropts) |
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457 def perflookup(ui, repo, rev, **opts): |
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458 timer, fm = gettimer(ui, opts) |
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459 timer(lambda: len(repo.lookup(rev))) |
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460 fm.end() |
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461 |
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462 @command('perfrevrange', formatteropts) |
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463 def perfrevrange(ui, repo, *specs, **opts): |
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464 timer, fm = gettimer(ui, opts) |
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465 revrange = scmutil.revrange |
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466 timer(lambda: len(revrange(repo, specs))) |
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467 fm.end() |
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468 |
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469 @command('perfnodelookup', formatteropts) |
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470 def perfnodelookup(ui, repo, rev, **opts): |
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471 timer, fm = gettimer(ui, opts) |
16309 | 472 import mercurial.revlog |
473 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg | |
474 n = repo[rev].node() | |
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475 cl = mercurial.revlog.revlog(repo.svfs, "00changelog.i") |
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476 def d(): |
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477 cl.rev(n) |
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478 clearcaches(cl) |
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479 timer(d) |
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480 fm.end() |
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481 |
18237
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perftest: migrate to new style command declaration
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482 @command('perflog', |
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483 [('', 'rename', False, 'ask log to follow renames')] + formatteropts) |
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484 def perflog(ui, repo, rev=None, **opts): |
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485 if rev is None: |
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486 rev=[] |
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487 timer, fm = gettimer(ui, opts) |
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488 ui.pushbuffer() |
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489 timer(lambda: commands.log(ui, repo, rev=rev, date='', user='', |
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490 copies=opts.get('rename'))) |
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491 ui.popbuffer() |
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492 fm.end() |
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493 |
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494 @command('perfmoonwalk', formatteropts) |
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495 def perfmoonwalk(ui, repo, **opts): |
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496 """benchmark walking the changelog backwards |
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497 |
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498 This also loads the changelog data for each revision in the changelog. |
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499 """ |
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500 timer, fm = gettimer(ui, opts) |
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501 def moonwalk(): |
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502 for i in xrange(len(repo), -1, -1): |
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503 ctx = repo[i] |
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504 ctx.branch() # read changelog data (in addition to the index) |
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505 timer(moonwalk) |
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506 fm.end() |
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507 |
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508 @command('perftemplating', formatteropts) |
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509 def perftemplating(ui, repo, rev=None, **opts): |
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510 if rev is None: |
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511 rev=[] |
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512 timer, fm = gettimer(ui, opts) |
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513 ui.pushbuffer() |
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514 timer(lambda: commands.log(ui, repo, rev=rev, date='', user='', |
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515 template='{date|shortdate} [{rev}:{node|short}]' |
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516 ' {author|person}: {desc|firstline}\n')) |
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517 ui.popbuffer() |
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518 fm.end() |
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519 |
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520 @command('perfcca', formatteropts) |
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521 def perfcca(ui, repo, **opts): |
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522 timer, fm = gettimer(ui, opts) |
17216
01c1ee4bd1dd
perf: fix perfcca to work with new casecollisionauditor interface
Joshua Redstone <joshua.redstone@fb.com>
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|
523 timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate)) |
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|
524 fm.end() |
16386
ccc173d0914e
perf: add case collision auditor perf
Matt Mackall <mpm@selenic.com>
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16309
diff
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|
525 |
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526 @command('perffncacheload', formatteropts) |
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527 def perffncacheload(ui, repo, **opts): |
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|
528 timer, fm = gettimer(ui, opts) |
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perf: simply use repo.store for perffncache* commands
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|
529 s = repo.store |
16403
efae1fea4bbd
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|
530 def d(): |
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|
531 s.fncache._load() |
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|
532 timer(d) |
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|
533 fm.end() |
16403
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|
534 |
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|
535 @command('perffncachewrite', formatteropts) |
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536 def perffncachewrite(ui, repo, **opts): |
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537 timer, fm = gettimer(ui, opts) |
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|
538 s = repo.store |
16403
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|
539 s.fncache._load() |
27097
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|
540 lock = repo.lock() |
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diff
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|
541 tr = repo.transaction('perffncachewrite') |
16403
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|
542 def d(): |
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|
543 s.fncache._dirty = True |
27097
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544 s.fncache.write(tr) |
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545 timer(d) |
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|
546 lock.release() |
27526
11f2e496bdc9
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|
547 tr.close() |
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548 fm.end() |
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549 |
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|
550 @command('perffncacheencode', formatteropts) |
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551 def perffncacheencode(ui, repo, **opts): |
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552 timer, fm = gettimer(ui, opts) |
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|
553 s = repo.store |
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|
554 s.fncache._load() |
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|
555 def d(): |
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|
556 for p in s.fncache.entries: |
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557 s.encode(p) |
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|
558 timer(d) |
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559 fm.end() |
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|
560 |
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|
561 @command('perfdiffwd', formatteropts) |
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|
562 def perfdiffwd(ui, repo, **opts): |
9826
d768614578dd
contrib/perf: profile diff of working directory changes
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changeset
|
563 """Profile diff of working directory changes""" |
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|
564 timer, fm = gettimer(ui, opts) |
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565 options = { |
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566 'w': 'ignore_all_space', |
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567 'b': 'ignore_space_change', |
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568 'B': 'ignore_blank_lines', |
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569 } |
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570 |
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571 for diffopt in ('', 'w', 'b', 'B', 'wB'): |
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572 opts = dict((options[c], '1') for c in diffopt) |
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573 def d(): |
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574 ui.pushbuffer() |
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575 commands.diff(ui, repo, **opts) |
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576 ui.popbuffer() |
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577 title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none') |
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578 timer(d, title) |
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579 fm.end() |
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580 |
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581 @command('perfrevlog', revlogopts + formatteropts + |
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582 [('d', 'dist', 100, 'distance between the revisions'), |
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583 ('s', 'startrev', 0, 'revision to start reading at')], |
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584 '-c|-m|FILE') |
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585 def perfrevlog(ui, repo, file_=None, startrev=0, **opts): |
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586 """Benchmark reading a series of revisions from a revlog. |
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587 |
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588 By default, we read every ``-d/--dist`` revision from 0 to tip of |
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589 the specified revlog. |
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590 |
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591 The start revision can be defined via ``-s/--startrev``. |
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592 """ |
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593 timer, fm = gettimer(ui, opts) |
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594 dist = opts['dist'] |
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595 _len = getlen(ui) |
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596 def d(): |
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597 r = cmdutil.openrevlog(repo, 'perfrevlog', file_, opts) |
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598 for x in xrange(startrev, _len(r), dist): |
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599 r.revision(r.node(x)) |
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600 |
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601 timer(d) |
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602 fm.end() |
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603 |
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604 @command('perfrevlogrevision', revlogopts + formatteropts + |
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605 [('', 'cache', False, 'use caches instead of clearing')], |
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606 '-c|-m|FILE REV') |
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607 def perfrevlogrevision(ui, repo, file_, rev=None, cache=None, **opts): |
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608 """Benchmark obtaining a revlog revision. |
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609 |
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610 Obtaining a revlog revision consists of roughly the following steps: |
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611 |
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612 1. Compute the delta chain |
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613 2. Obtain the raw chunks for that delta chain |
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614 3. Decompress each raw chunk |
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615 4. Apply binary patches to obtain fulltext |
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616 5. Verify hash of fulltext |
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617 |
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618 This command measures the time spent in each of these phases. |
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619 """ |
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620 if opts.get('changelog') or opts.get('manifest'): |
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621 file_, rev = None, file_ |
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622 elif rev is None: |
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623 raise error.CommandError('perfrevlogrevision', 'invalid arguments') |
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624 |
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625 r = cmdutil.openrevlog(repo, 'perfrevlogrevision', file_, opts) |
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626 node = r.lookup(rev) |
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627 rev = r.rev(node) |
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628 |
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629 def dodeltachain(rev): |
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630 if not cache: |
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631 r.clearcaches() |
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632 r._deltachain(rev) |
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633 |
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634 def doread(chain): |
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635 if not cache: |
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636 r.clearcaches() |
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637 r._chunkraw(chain[0], chain[-1]) |
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|
638 |
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|
639 def dodecompress(data, chain): |
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640 if not cache: |
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|
641 r.clearcaches() |
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642 |
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643 start = r.start |
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644 length = r.length |
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645 inline = r._inline |
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646 iosize = r._io.size |
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647 buffer = util.buffer |
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648 offset = start(chain[0]) |
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649 |
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650 for rev in chain: |
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651 chunkstart = start(rev) |
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652 if inline: |
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653 chunkstart += (rev + 1) * iosize |
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654 chunklength = length(rev) |
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655 b = buffer(data, chunkstart - offset, chunklength) |
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656 revlog.decompress(b) |
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|
657 |
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658 def dopatch(text, bins): |
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659 if not cache: |
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660 r.clearcaches() |
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661 mdiff.patches(text, bins) |
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|
662 |
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663 def dohash(text): |
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664 if not cache: |
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665 r.clearcaches() |
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666 r._checkhash(text, node, rev) |
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|
667 |
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668 def dorevision(): |
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669 if not cache: |
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670 r.clearcaches() |
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671 r.revision(node) |
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672 |
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673 chain = r._deltachain(rev)[0] |
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674 data = r._chunkraw(chain[0], chain[-1])[1] |
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675 bins = r._chunks(chain) |
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676 text = str(bins[0]) |
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677 bins = bins[1:] |
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678 text = mdiff.patches(text, bins) |
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|
679 |
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|
680 benches = [ |
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|
681 (lambda: dorevision(), 'full'), |
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|
682 (lambda: dodeltachain(rev), 'deltachain'), |
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|
683 (lambda: doread(chain), 'read'), |
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|
684 (lambda: dodecompress(data, chain), 'decompress'), |
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685 (lambda: dopatch(text, bins), 'patch'), |
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686 (lambda: dohash(text), 'hash'), |
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687 ] |
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688 |
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689 for fn, title in benches: |
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690 timer, fm = gettimer(ui, opts) |
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691 timer(fn, title=title) |
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692 fm.end() |
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693 |
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694 @command('perfrevset', |
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695 [('C', 'clear', False, 'clear volatile cache between each call.'), |
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696 ('', 'contexts', False, 'obtain changectx for each revision')] |
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697 + formatteropts, "REVSET") |
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698 def perfrevset(ui, repo, expr, clear=False, contexts=False, **opts): |
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699 """benchmark the execution time of a revset |
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700 |
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701 Use the --clean option if need to evaluate the impact of build volatile |
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702 revisions set cache on the revset execution. Volatile cache hold filtered |
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703 and obsolete related cache.""" |
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704 timer, fm = gettimer(ui, opts) |
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705 def d(): |
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706 if clear: |
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707 repo.invalidatevolatilesets() |
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708 if contexts: |
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709 for ctx in repo.set(expr): pass |
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710 else: |
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711 for r in repo.revs(expr): pass |
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712 timer(d) |
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713 fm.end() |
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714 |
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715 @command('perfvolatilesets', formatteropts) |
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716 def perfvolatilesets(ui, repo, *names, **opts): |
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717 """benchmark the computation of various volatile set |
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718 |
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719 Volatile set computes element related to filtering and obsolescence.""" |
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720 timer, fm = gettimer(ui, opts) |
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721 repo = repo.unfiltered() |
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722 |
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723 def getobs(name): |
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724 def d(): |
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725 repo.invalidatevolatilesets() |
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726 obsolete.getrevs(repo, name) |
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|
727 return d |
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|
728 |
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|
729 allobs = sorted(obsolete.cachefuncs) |
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730 if names: |
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731 allobs = [n for n in allobs if n in names] |
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|
732 |
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|
733 for name in allobs: |
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|
734 timer(getobs(name), title=name) |
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|
735 |
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|
736 def getfiltered(name): |
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737 def d(): |
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|
738 repo.invalidatevolatilesets() |
20205
d67a7758da6d
perf: fix perfvolatilesets
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parents:
20178
diff
changeset
|
739 repoview.filterrevs(repo, name) |
18240
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|
740 return d |
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|
741 |
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|
742 allfilter = sorted(repoview.filtertable) |
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|
743 if names: |
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744 allfilter = [n for n in allfilter if n in names] |
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|
745 |
f5ed27c51995
perftest: allow selection of volatile set to benchmark
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diff
changeset
|
746 for name in allfilter: |
18240
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|
747 timer(getfiltered(name), title=name) |
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|
748 fm.end() |
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|
749 |
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|
750 @command('perfbranchmap', |
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|
751 [('f', 'full', False, |
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|
752 'Includes build time of subset'), |
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|
753 ] + formatteropts) |
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|
754 def perfbranchmap(ui, repo, full=False, **opts): |
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755 """benchmark the update of a branchmap |
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|
756 |
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changeset
|
757 This benchmarks the full repo.branchmap() call with read and write disabled |
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|
758 """ |
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|
759 timer, fm = gettimer(ui, opts) |
18304
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|
760 def getbranchmap(filtername): |
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|
761 """generate a benchmark function for the filtername""" |
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|
762 if filtername is None: |
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|
763 view = repo |
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|
764 else: |
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|
765 view = repo.filtered(filtername) |
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|
766 def d(): |
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|
767 if full: |
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|
768 view._branchcaches.clear() |
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|
769 else: |
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|
770 view._branchcaches.pop(filtername, None) |
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771 view.branchmap() |
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|
772 return d |
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|
773 # add filter in smaller subset to bigger subset |
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|
774 possiblefilters = set(repoview.filtertable) |
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|
775 allfilters = [] |
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|
776 while possiblefilters: |
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|
777 for name in possiblefilters: |
20032
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19786
diff
changeset
|
778 subset = branchmap.subsettable.get(name) |
18304
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|
779 if subset not in possiblefilters: |
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|
780 break |
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|
781 else: |
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|
782 assert False, 'subset cycle %s!' % possiblefilters |
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|
783 allfilters.append(name) |
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|
784 possiblefilters.remove(name) |
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785 |
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|
786 # warm the cache |
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|
787 if not full: |
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|
788 for name in allfilters: |
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|
789 repo.filtered(name).branchmap() |
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|
790 # add unfiltered |
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|
791 allfilters.append(None) |
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|
792 oldread = branchmap.read |
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|
793 oldwrite = branchmap.branchcache.write |
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diff
changeset
|
794 try: |
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|
795 branchmap.read = lambda repo: None |
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|
796 branchmap.write = lambda repo: None |
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|
797 for name in allfilters: |
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|
798 timer(getbranchmap(name), title=str(name)) |
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|
799 finally: |
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|
800 branchmap.read = oldread |
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|
801 branchmap.branchcache.write = oldwrite |
23171
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perf: use a formatter for output
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|
802 fm.end() |
23485
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|
803 |
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804 @command('perfloadmarkers') |
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|
805 def perfloadmarkers(ui, repo): |
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|
806 """benchmark the time to parse the on-disk markers for a repo |
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|
807 |
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808 Result is the number of markers in the repo.""" |
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|
809 timer, fm = gettimer(ui) |
23878
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localrepo: remove all external users of localrepo.sopener
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|
810 timer(lambda: len(obsolete.obsstore(repo.svfs))) |
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|
811 fm.end() |
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812 |
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813 @command('perflrucachedict', formatteropts + |
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814 [('', 'size', 4, 'size of cache'), |
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|
815 ('', 'gets', 10000, 'number of key lookups'), |
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|
816 ('', 'sets', 10000, 'number of key sets'), |
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817 ('', 'mixed', 10000, 'number of mixed mode operations'), |
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818 ('', 'mixedgetfreq', 50, 'frequency of get vs set ops in mixed mode')], |
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|
819 norepo=True) |
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820 def perflrucache(ui, size=4, gets=10000, sets=10000, mixed=10000, |
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821 mixedgetfreq=50, **opts): |
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822 def doinit(): |
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823 for i in xrange(10000): |
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|
824 util.lrucachedict(size) |
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|
825 |
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826 values = [] |
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827 for i in xrange(size): |
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828 values.append(random.randint(0, sys.maxint)) |
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829 |
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830 # Get mode fills the cache and tests raw lookup performance with no |
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831 # eviction. |
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832 getseq = [] |
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|
833 for i in xrange(gets): |
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|
834 getseq.append(random.choice(values)) |
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|
835 |
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836 def dogets(): |
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837 d = util.lrucachedict(size) |
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838 for v in values: |
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839 d[v] = v |
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|
840 for key in getseq: |
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perf: add perflrucachedict command
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|
841 value = d[key] |
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|
842 value # silence pyflakes warning |
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changeset
|
843 |
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changeset
|
844 # Set mode tests insertion speed with cache eviction. |
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|
845 setseq = [] |
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changeset
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846 for i in xrange(sets): |
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|
847 setseq.append(random.randint(0, sys.maxint)) |
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|
848 |
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|
849 def dosets(): |
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|
850 d = util.lrucachedict(size) |
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|
851 for v in setseq: |
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|
852 d[v] = v |
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|
853 |
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diff
changeset
|
854 # Mixed mode randomly performs gets and sets with eviction. |
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|
855 mixedops = [] |
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|
856 for i in xrange(mixed): |
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|
857 r = random.randint(0, 100) |
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|
858 if r < mixedgetfreq: |
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|
859 op = 0 |
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|
860 else: |
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|
861 op = 1 |
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changeset
|
862 |
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changeset
|
863 mixedops.append((op, random.randint(0, size * 2))) |
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changeset
|
864 |
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changeset
|
865 def domixed(): |
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changeset
|
866 d = util.lrucachedict(size) |
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changeset
|
867 |
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changeset
|
868 for op, v in mixedops: |
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|
869 if op == 0: |
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parents:
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changeset
|
870 try: |
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changeset
|
871 d[v] |
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changeset
|
872 except KeyError: |
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diff
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|
873 pass |
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|
874 else: |
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changeset
|
875 d[v] = v |
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changeset
|
876 |
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diff
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|
877 benches = [ |
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|
878 (doinit, 'init'), |
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perf: add perflrucachedict command
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changeset
|
879 (dogets, 'gets'), |
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|
880 (dosets, 'sets'), |
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changeset
|
881 (domixed, 'mixed') |
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diff
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|
882 ] |
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changeset
|
883 |
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diff
changeset
|
884 for fn, title in benches: |
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|
885 timer, fm = gettimer(ui, opts) |
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|
886 timer(fn, title=title) |
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diff
changeset
|
887 fm.end() |
29495
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perf: use locally defined revlog option list for Mercurial earlier than 3.7
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diff
changeset
|
888 |
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|
889 def uisetup(ui): |
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diff
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|
890 if (util.safehasattr(cmdutil, 'openrevlog') and |
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|
891 not util.safehasattr(commands, 'debugrevlogopts')): |
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changeset
|
892 # for "historical portability": |
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changeset
|
893 # In this case, Mercurial should be 1.9 (or a79fea6b3e77) - |
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diff
changeset
|
894 # 3.7 (or 5606f7d0d063). Therefore, '--dir' option for |
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diff
changeset
|
895 # openrevlog() should cause failure, because it has been |
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changeset
|
896 # available since 3.5 (or 49c583ca48c4). |
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diff
changeset
|
897 def openrevlog(orig, repo, cmd, file_, opts): |
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|
898 if opts.get('dir') and not util.safehasattr(repo, 'dirlog'): |
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|
899 raise error.Abort("This version doesn't support --dir option", |
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diff
changeset
|
900 hint="use 3.5 or later") |
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diff
changeset
|
901 return orig(repo, cmd, file_, opts) |
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diff
changeset
|
902 extensions.wrapfunction(cmdutil, 'openrevlog', openrevlog) |