Mercurial > hg
annotate contrib/perf.py @ 23524:a1a7c94def6d
merge: don't report progress for dr/rd actions
It is easier to reason about certain algorithms in terms of a
file->action mapping than the current action->list-of-files. Bid merge
is already written this way (but with a list of actions per file), and
largefiles' overridecalculateupdates() will also benefit. However,
that requires us to have at most one action per file. That requirement
is currently violated by 'dr' (divergent rename) and 'rd' (rename and
delete) actions, which can exist for the same file as some other
action.
These actions are only used for displaying warnings to the user; they
don't change anything in the working copy or the dirstate. In this
way, they are similar to the 'k' (keep) action. However, they are even
less action-like than 'k' is: 'k' at least describes what to do with
the file ("do nothing"), while 'dr' and 'rd' or only annotations for
files for which there may exist other, "real" actions.
As a first step towards separating these acitons out, stop including
them in the progress output, just like we already exclude the 'k'
action.
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Fri, 05 Dec 2014 16:13:26 -0800 |
parents | ccb93e9affc1 |
children | 891aaa7c0c70 |
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 from mercurial import cmdutil, scmutil, util, commands, obsolete |
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5 from mercurial import repoview, branchmap, merge, copies |
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6 import time, os, sys |
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7 import functools |
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8 |
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9 cmdtable = {} |
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10 command = cmdutil.command(cmdtable) |
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11 |
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12 def gettimer(ui, opts=None): |
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13 """return a timer function and formatter: (timer, formatter) |
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14 |
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15 This functions exist to gather the creation of formatter in a single |
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16 place instead of duplicating it in all performance command.""" |
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17 if opts is None: |
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18 opts = {} |
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19 # redirect all to stderr |
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20 ui = ui.copy() |
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21 ui.fout = ui.ferr |
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22 # get a formatter |
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23 fm = ui.formatter('perf', opts) |
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24 return functools.partial(_timer, fm), fm |
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25 |
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26 def _timer(fm, func, title=None): |
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27 results = [] |
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28 begin = time.time() |
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29 count = 0 |
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30 while True: |
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31 ostart = os.times() |
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32 cstart = time.time() |
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33 r = func() |
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34 cstop = time.time() |
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35 ostop = os.times() |
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36 count += 1 |
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37 a, b = ostart, ostop |
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38 results.append((cstop - cstart, b[0] - a[0], b[1]-a[1])) |
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39 if cstop - begin > 3 and count >= 100: |
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40 break |
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41 if cstop - begin > 10 and count >= 3: |
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42 break |
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43 |
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44 fm.startitem() |
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45 |
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46 if title: |
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47 fm.write('title', '! %s\n', title) |
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48 if r: |
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49 fm.write('result', '! result: %s\n', r) |
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50 m = min(results) |
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51 fm.plain('!') |
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52 fm.write('wall', ' wall %f', m[0]) |
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53 fm.write('comb', ' comb %f', m[1] + m[2]) |
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54 fm.write('user', ' user %f', m[1]) |
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55 fm.write('sys', ' sys %f', m[2]) |
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56 fm.write('count', ' (best of %d)', count) |
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57 fm.plain('\n') |
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58 |
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59 @command('perfwalk') |
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60 def perfwalk(ui, repo, *pats): |
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61 timer, fm = gettimer(ui) |
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62 try: |
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63 m = scmutil.match(repo[None], pats, {}) |
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64 timer(lambda: len(list(repo.dirstate.walk(m, [], True, False)))) |
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65 except Exception: |
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66 try: |
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67 m = scmutil.match(repo[None], pats, {}) |
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68 timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)])) |
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69 except Exception: |
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70 timer(lambda: len(list(cmdutil.walk(repo, pats, {})))) |
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71 fm.end() |
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72 |
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73 @command('perfannotate') |
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74 def perfannotate(ui, repo, f): |
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75 timer, fm = gettimer(ui) |
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76 fc = repo['.'][f] |
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77 timer(lambda: len(fc.annotate(True))) |
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78 fm.end() |
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79 |
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80 @command('perfstatus', |
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81 [('u', 'unknown', False, |
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82 'ask status to look for unknown files')]) |
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83 def perfstatus(ui, repo, **opts): |
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84 #m = match.always(repo.root, repo.getcwd()) |
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86 # False)))) | |
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87 timer, fm = gettimer(ui) |
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88 timer(lambda: sum(map(len, repo.status(**opts)))) |
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89 fm.end() |
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90 |
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91 @command('perfaddremove') |
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92 def perfaddremove(ui, repo): |
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93 timer, fm = gettimer(ui) |
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94 try: |
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95 oldquiet = repo.ui.quiet |
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96 repo.ui.quiet = True |
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97 timer(lambda: scmutil.addremove(repo, dry_run=True)) |
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98 finally: |
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99 repo.ui.quiet = oldquiet |
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100 fm.end() |
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101 |
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102 def clearcaches(cl): |
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103 # behave somewhat consistently across internal API changes |
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104 if util.safehasattr(cl, 'clearcaches'): |
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105 cl.clearcaches() |
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106 elif util.safehasattr(cl, '_nodecache'): |
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107 from mercurial.node import nullid, nullrev |
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108 cl._nodecache = {nullid: nullrev} |
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109 cl._nodepos = None |
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110 |
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111 @command('perfheads') |
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112 def perfheads(ui, repo): |
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113 timer, fm = gettimer(ui) |
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114 cl = repo.changelog |
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115 def d(): |
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116 len(cl.headrevs()) |
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117 clearcaches(cl) |
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118 timer(d) |
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119 fm.end() |
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120 |
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121 @command('perftags') |
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122 def perftags(ui, repo): |
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123 import mercurial.changelog |
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124 import mercurial.manifest |
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125 timer, fm = gettimer(ui) |
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126 def t(): |
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127 repo.changelog = mercurial.changelog.changelog(repo.sopener) |
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128 repo.manifest = mercurial.manifest.manifest(repo.sopener) |
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129 repo._tags = None |
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130 return len(repo.tags()) |
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131 timer(t) |
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132 fm.end() |
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133 |
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134 @command('perfancestors') |
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135 def perfancestors(ui, repo): |
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136 timer, fm = gettimer(ui) |
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137 heads = repo.changelog.headrevs() |
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138 def d(): |
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139 for a in repo.changelog.ancestors(heads): |
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140 pass |
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141 timer(d) |
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142 fm.end() |
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143 |
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144 @command('perfancestorset') |
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145 def perfancestorset(ui, repo, revset): |
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146 timer, fm = gettimer(ui) |
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147 revs = repo.revs(revset) |
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148 heads = repo.changelog.headrevs() |
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149 def d(): |
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150 s = repo.changelog.ancestors(heads) |
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151 for rev in revs: |
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152 rev in s |
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153 timer(d) |
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154 fm.end() |
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155 |
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156 @command('perfdirs') |
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157 def perfdirs(ui, repo): |
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158 timer, fm = gettimer(ui) |
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159 dirstate = repo.dirstate |
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160 'a' in dirstate |
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161 def d(): |
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162 dirstate.dirs() |
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163 del dirstate._dirs |
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164 timer(d) |
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165 fm.end() |
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166 |
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167 @command('perfdirstate') |
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168 def perfdirstate(ui, repo): |
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169 timer, fm = gettimer(ui) |
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170 "a" in repo.dirstate |
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171 def d(): |
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172 repo.dirstate.invalidate() |
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173 "a" in repo.dirstate |
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174 timer(d) |
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175 fm.end() |
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176 |
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177 @command('perfdirstatedirs') |
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178 def perfdirstatedirs(ui, repo): |
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179 timer, fm = gettimer(ui) |
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180 "a" in repo.dirstate |
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181 def d(): |
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182 "a" in repo.dirstate._dirs |
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183 del repo.dirstate._dirs |
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184 timer(d) |
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185 fm.end() |
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186 |
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187 @command('perfdirstatefoldmap') |
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188 def perffoldmap(ui, repo): |
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189 timer, fm = gettimer(ui) |
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190 dirstate = repo.dirstate |
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191 'a' in dirstate |
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192 def d(): |
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193 dirstate._foldmap.get('a') |
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194 del dirstate._foldmap |
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195 del dirstate._dirs |
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196 timer(d) |
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197 fm.end() |
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198 |
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199 @command('perfdirstatewrite') |
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200 def perfdirstatewrite(ui, repo): |
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201 timer, fm = gettimer(ui) |
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202 ds = repo.dirstate |
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203 "a" in ds |
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204 def d(): |
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205 ds._dirty = True |
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206 ds.write() |
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207 timer(d) |
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208 fm.end() |
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209 |
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210 @command('perfmergecalculate', |
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211 [('r', 'rev', '.', 'rev to merge against')]) |
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212 def perfmergecalculate(ui, repo, rev): |
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213 timer, fm = gettimer(ui) |
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214 wctx = repo[None] |
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215 rctx = scmutil.revsingle(repo, rev, rev) |
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216 ancestor = wctx.ancestor(rctx) |
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217 # we don't want working dir files to be stat'd in the benchmark, so prime |
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218 # that cache |
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219 wctx.dirty() |
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220 def d(): |
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221 # acceptremote is True because we don't want prompts in the middle of |
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222 # our benchmark |
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223 merge.calculateupdates(repo, wctx, rctx, ancestor, False, False, False, |
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224 acceptremote=True) |
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225 timer(d) |
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226 fm.end() |
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227 |
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228 @command('perfpathcopies', [], "REV REV") |
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229 def perfpathcopies(ui, repo, rev1, rev2): |
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230 timer, fm = gettimer(ui) |
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231 ctx1 = scmutil.revsingle(repo, rev1, rev1) |
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232 ctx2 = scmutil.revsingle(repo, rev2, rev2) |
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233 def d(): |
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234 copies.pathcopies(ctx1, ctx2) |
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235 timer(d) |
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236 fm.end() |
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237 |
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238 @command('perfmanifest', [], 'REV') |
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239 def perfmanifest(ui, repo, rev): |
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240 timer, fm = gettimer(ui) |
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241 ctx = scmutil.revsingle(repo, rev, rev) |
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242 t = ctx.manifestnode() |
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243 def d(): |
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244 repo.manifest._mancache.clear() |
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245 repo.manifest._cache = None |
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246 repo.manifest.read(t) |
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247 timer(d) |
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248 fm.end() |
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249 |
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250 @command('perfchangeset') |
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251 def perfchangeset(ui, repo, rev): |
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252 timer, fm = gettimer(ui) |
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253 n = repo[rev].node() |
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254 def d(): |
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255 repo.changelog.read(n) |
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256 #repo.changelog._cache = None |
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257 timer(d) |
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258 fm.end() |
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259 |
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260 @command('perfindex') |
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261 def perfindex(ui, repo): |
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262 import mercurial.revlog |
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263 timer, fm = gettimer(ui) |
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264 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg |
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265 n = repo["tip"].node() |
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266 def d(): |
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267 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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268 cl.rev(n) |
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269 timer(d) |
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270 fm.end() |
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271 |
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272 @command('perfstartup') |
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273 def perfstartup(ui, repo): |
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274 timer, fm = gettimer(ui) |
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275 cmd = sys.argv[0] |
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276 def d(): |
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277 os.system("HGRCPATH= %s version -q > /dev/null" % cmd) |
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278 timer(d) |
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279 fm.end() |
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280 |
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281 @command('perfparents') |
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282 def perfparents(ui, repo): |
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283 timer, fm = gettimer(ui) |
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284 nl = [repo.changelog.node(i) for i in xrange(1000)] |
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285 def d(): |
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286 for n in nl: |
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287 repo.changelog.parents(n) |
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288 timer(d) |
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289 fm.end() |
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290 |
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291 @command('perflookup') |
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292 def perflookup(ui, repo, rev): |
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293 timer, fm = gettimer(ui) |
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294 timer(lambda: len(repo.lookup(rev))) |
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295 fm.end() |
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296 |
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297 @command('perfrevrange') |
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298 def perfrevrange(ui, repo, *specs): |
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299 timer, fm = gettimer(ui) |
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300 revrange = scmutil.revrange |
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301 timer(lambda: len(revrange(repo, specs))) |
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302 fm.end() |
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303 |
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304 @command('perfnodelookup') |
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306 timer, fm = gettimer(ui) |
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308 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg | |
309 n = repo[rev].node() | |
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310 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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311 def d(): |
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312 cl.rev(n) |
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313 clearcaches(cl) |
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314 timer(d) |
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315 fm.end() |
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316 |
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317 @command('perflog', |
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318 [('', 'rename', False, 'ask log to follow renames')]) |
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319 def perflog(ui, repo, **opts): |
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320 timer, fm = gettimer(ui) |
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321 ui.pushbuffer() |
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322 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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323 copies=opts.get('rename'))) |
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324 ui.popbuffer() |
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325 fm.end() |
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326 |
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327 @command('perfmoonwalk') |
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328 def perfmoonwalk(ui, repo): |
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329 """benchmark walking the changelog backwards |
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330 |
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331 This also loads the changelog data for each revision in the changelog. |
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332 """ |
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333 timer, fm = gettimer(ui) |
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334 def moonwalk(): |
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335 for i in xrange(len(repo), -1, -1): |
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336 ctx = repo[i] |
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337 ctx.branch() # read changelog data (in addition to the index) |
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338 timer(moonwalk) |
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339 fm.end() |
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340 |
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341 @command('perftemplating') |
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342 def perftemplating(ui, repo): |
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343 timer, fm = gettimer(ui) |
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344 ui.pushbuffer() |
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345 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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346 template='{date|shortdate} [{rev}:{node|short}]' |
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347 ' {author|person}: {desc|firstline}\n')) |
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348 ui.popbuffer() |
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349 fm.end() |
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350 |
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351 @command('perfcca') |
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352 def perfcca(ui, repo): |
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353 timer, fm = gettimer(ui) |
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354 timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate)) |
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355 fm.end() |
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356 |
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357 @command('perffncacheload') |
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358 def perffncacheload(ui, repo): |
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359 timer, fm = gettimer(ui) |
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360 s = repo.store |
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361 def d(): |
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362 s.fncache._load() |
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363 timer(d) |
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364 fm.end() |
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365 |
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366 @command('perffncachewrite') |
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367 def perffncachewrite(ui, repo): |
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368 timer, fm = gettimer(ui) |
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369 s = repo.store |
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370 s.fncache._load() |
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371 def d(): |
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372 s.fncache._dirty = True |
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373 s.fncache.write() |
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374 timer(d) |
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375 fm.end() |
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376 |
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377 @command('perffncacheencode') |
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378 def perffncacheencode(ui, repo): |
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379 timer, fm = gettimer(ui) |
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380 s = repo.store |
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381 s.fncache._load() |
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382 def d(): |
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383 for p in s.fncache.entries: |
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384 s.encode(p) |
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385 timer(d) |
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386 fm.end() |
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387 |
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388 @command('perfdiffwd') |
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389 def perfdiffwd(ui, repo): |
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390 """Profile diff of working directory changes""" |
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391 timer, fm = gettimer(ui) |
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392 options = { |
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393 'w': 'ignore_all_space', |
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394 'b': 'ignore_space_change', |
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395 'B': 'ignore_blank_lines', |
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396 } |
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397 |
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398 for diffopt in ('', 'w', 'b', 'B', 'wB'): |
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399 opts = dict((options[c], '1') for c in diffopt) |
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400 def d(): |
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401 ui.pushbuffer() |
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402 commands.diff(ui, repo, **opts) |
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403 ui.popbuffer() |
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404 title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none') |
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405 timer(d, title) |
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406 fm.end() |
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407 |
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408 @command('perfrevlog', |
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409 [('d', 'dist', 100, 'distance between the revisions')], |
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410 "[INDEXFILE]") |
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411 def perfrevlog(ui, repo, file_, **opts): |
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412 timer, fm = gettimer(ui) |
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413 from mercurial import revlog |
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414 dist = opts['dist'] |
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415 def d(): |
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416 r = revlog.revlog(lambda fn: open(fn, 'rb'), file_) |
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417 for x in xrange(0, len(r), dist): |
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418 r.revision(r.node(x)) |
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419 |
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420 timer(d) |
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421 fm.end() |
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422 |
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423 @command('perfrevset', |
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424 [('C', 'clear', False, 'clear volatile cache between each call.')], |
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425 "REVSET") |
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426 def perfrevset(ui, repo, expr, clear=False): |
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427 """benchmark the execution time of a revset |
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428 |
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429 Use the --clean option if need to evaluate the impact of build volatile |
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430 revisions set cache on the revset execution. Volatile cache hold filtered |
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431 and obsolete related cache.""" |
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432 timer, fm = gettimer(ui) |
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433 def d(): |
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434 if clear: |
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435 repo.invalidatevolatilesets() |
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436 for r in repo.revs(expr): pass |
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437 timer(d) |
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438 fm.end() |
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439 |
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440 @command('perfvolatilesets') |
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441 def perfvolatilesets(ui, repo, *names): |
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442 """benchmark the computation of various volatile set |
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443 |
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444 Volatile set computes element related to filtering and obsolescence.""" |
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445 timer, fm = gettimer(ui) |
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446 repo = repo.unfiltered() |
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447 |
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448 def getobs(name): |
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449 def d(): |
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450 repo.invalidatevolatilesets() |
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451 obsolete.getrevs(repo, name) |
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452 return d |
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453 |
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454 allobs = sorted(obsolete.cachefuncs) |
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455 if names: |
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456 allobs = [n for n in allobs if n in names] |
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457 |
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458 for name in allobs: |
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459 timer(getobs(name), title=name) |
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460 |
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461 def getfiltered(name): |
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462 def d(): |
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463 repo.invalidatevolatilesets() |
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464 repoview.filterrevs(repo, name) |
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465 return d |
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466 |
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467 allfilter = sorted(repoview.filtertable) |
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468 if names: |
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469 allfilter = [n for n in allfilter if n in names] |
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470 |
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471 for name in allfilter: |
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472 timer(getfiltered(name), title=name) |
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473 fm.end() |
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474 |
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475 @command('perfbranchmap', |
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476 [('f', 'full', False, |
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477 'Includes build time of subset'), |
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478 ]) |
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479 def perfbranchmap(ui, repo, full=False): |
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480 """benchmark the update of a branchmap |
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481 |
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482 This benchmarks the full repo.branchmap() call with read and write disabled |
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483 """ |
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484 timer, fm = gettimer(ui) |
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485 def getbranchmap(filtername): |
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486 """generate a benchmark function for the filtername""" |
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487 if filtername is None: |
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488 view = repo |
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489 else: |
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490 view = repo.filtered(filtername) |
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491 def d(): |
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492 if full: |
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493 view._branchcaches.clear() |
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494 else: |
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495 view._branchcaches.pop(filtername, None) |
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496 view.branchmap() |
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497 return d |
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498 # add filter in smaller subset to bigger subset |
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499 possiblefilters = set(repoview.filtertable) |
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500 allfilters = [] |
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501 while possiblefilters: |
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502 for name in possiblefilters: |
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503 subset = branchmap.subsettable.get(name) |
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504 if subset not in possiblefilters: |
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505 break |
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506 else: |
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507 assert False, 'subset cycle %s!' % possiblefilters |
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508 allfilters.append(name) |
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509 possiblefilters.remove(name) |
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510 |
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511 # warm the cache |
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512 if not full: |
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513 for name in allfilters: |
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514 repo.filtered(name).branchmap() |
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515 # add unfiltered |
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516 allfilters.append(None) |
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517 oldread = branchmap.read |
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518 oldwrite = branchmap.branchcache.write |
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519 try: |
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520 branchmap.read = lambda repo: None |
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521 branchmap.write = lambda repo: None |
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522 for name in allfilters: |
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523 timer(getbranchmap(name), title=str(name)) |
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524 finally: |
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525 branchmap.read = oldread |
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526 branchmap.branchcache.write = oldwrite |
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527 fm.end() |
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528 |
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529 @command('perfloadmarkers') |
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530 def perfloadmarkers(ui, repo): |
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531 """benchmark the time to parse the on-disk markers for a repo |
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532 |
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533 Result is the number of markers in the repo.""" |
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534 timer, fm = gettimer(ui) |
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535 timer(lambda: len(obsolete.obsstore(repo.sopener))) |
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536 fm.end() |