Mercurial > hg
annotate contrib/perf.py @ 24893:64086e2f5988 stable
Added tag 3.4 for changeset 8cc6036bca53
author | Matt Mackall <mpm@selenic.com> |
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date | Fri, 01 May 2015 16:48:51 -0500 |
parents | f5b527024fcc |
children | e8eb3ecdaa0c |
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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 |
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18 # enforce an idle period before execution to counteract power management |
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19 time.sleep(ui.configint("perf", "presleep", 1)) |
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20 |
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21 if opts is None: |
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22 opts = {} |
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23 # redirect all to stderr |
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24 ui = ui.copy() |
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25 ui.fout = ui.ferr |
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26 # get a formatter |
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27 fm = ui.formatter('perf', opts) |
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28 return functools.partial(_timer, fm), fm |
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29 |
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30 def _timer(fm, func, title=None): |
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31 results = [] |
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32 begin = time.time() |
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33 count = 0 |
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34 while True: |
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35 ostart = os.times() |
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36 cstart = time.time() |
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37 r = func() |
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38 cstop = time.time() |
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39 ostop = os.times() |
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40 count += 1 |
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41 a, b = ostart, ostop |
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42 results.append((cstop - cstart, b[0] - a[0], b[1]-a[1])) |
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43 if cstop - begin > 3 and count >= 100: |
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44 break |
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45 if cstop - begin > 10 and count >= 3: |
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46 break |
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47 |
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48 fm.startitem() |
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49 |
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50 if title: |
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51 fm.write('title', '! %s\n', title) |
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52 if r: |
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53 fm.write('result', '! result: %s\n', r) |
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54 m = min(results) |
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55 fm.plain('!') |
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56 fm.write('wall', ' wall %f', m[0]) |
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57 fm.write('comb', ' comb %f', m[1] + m[2]) |
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58 fm.write('user', ' user %f', m[1]) |
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59 fm.write('sys', ' sys %f', m[2]) |
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60 fm.write('count', ' (best of %d)', count) |
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61 fm.plain('\n') |
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62 |
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63 @command('perfwalk') |
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64 def perfwalk(ui, repo, *pats): |
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65 timer, fm = gettimer(ui) |
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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(list(repo.dirstate.walk(m, [], True, False)))) |
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69 except Exception: |
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70 try: |
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71 m = scmutil.match(repo[None], pats, {}) |
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72 timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)])) |
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73 except Exception: |
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74 timer(lambda: len(list(cmdutil.walk(repo, pats, {})))) |
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75 fm.end() |
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76 |
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77 @command('perfannotate') |
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78 def perfannotate(ui, repo, f): |
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79 timer, fm = gettimer(ui) |
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80 fc = repo['.'][f] |
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81 timer(lambda: len(fc.annotate(True))) |
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82 fm.end() |
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83 |
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84 @command('perfstatus', |
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85 [('u', 'unknown', False, |
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86 'ask status to look for unknown files')]) |
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87 def perfstatus(ui, repo, **opts): |
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88 #m = match.always(repo.root, repo.getcwd()) |
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90 # False)))) | |
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91 timer, fm = gettimer(ui) |
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92 timer(lambda: sum(map(len, repo.status(**opts)))) |
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93 fm.end() |
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94 |
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95 @command('perfaddremove') |
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96 def perfaddremove(ui, repo): |
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97 timer, fm = gettimer(ui) |
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98 try: |
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99 oldquiet = repo.ui.quiet |
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100 repo.ui.quiet = True |
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101 matcher = scmutil.match(repo[None]) |
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102 timer(lambda: scmutil.addremove(repo, matcher, "", dry_run=True)) |
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103 finally: |
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104 repo.ui.quiet = oldquiet |
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105 fm.end() |
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106 |
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107 def clearcaches(cl): |
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108 # behave somewhat consistently across internal API changes |
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109 if util.safehasattr(cl, 'clearcaches'): |
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110 cl.clearcaches() |
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111 elif util.safehasattr(cl, '_nodecache'): |
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112 from mercurial.node import nullid, nullrev |
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113 cl._nodecache = {nullid: nullrev} |
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114 cl._nodepos = None |
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115 |
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116 @command('perfheads') |
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117 def perfheads(ui, repo): |
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118 timer, fm = gettimer(ui) |
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119 cl = repo.changelog |
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120 def d(): |
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121 len(cl.headrevs()) |
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122 clearcaches(cl) |
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123 timer(d) |
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124 fm.end() |
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125 |
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126 @command('perftags') |
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127 def perftags(ui, repo): |
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128 import mercurial.changelog |
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129 import mercurial.manifest |
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130 timer, fm = gettimer(ui) |
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131 def t(): |
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132 repo.changelog = mercurial.changelog.changelog(repo.svfs) |
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133 repo.manifest = mercurial.manifest.manifest(repo.svfs) |
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134 repo._tags = None |
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135 return len(repo.tags()) |
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136 timer(t) |
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137 fm.end() |
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138 |
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139 @command('perfancestors') |
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140 def perfancestors(ui, repo): |
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141 timer, fm = gettimer(ui) |
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142 heads = repo.changelog.headrevs() |
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143 def d(): |
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144 for a in repo.changelog.ancestors(heads): |
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145 pass |
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146 timer(d) |
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147 fm.end() |
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148 |
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149 @command('perfancestorset') |
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150 def perfancestorset(ui, repo, revset): |
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151 timer, fm = gettimer(ui) |
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152 revs = repo.revs(revset) |
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153 heads = repo.changelog.headrevs() |
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154 def d(): |
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155 s = repo.changelog.ancestors(heads) |
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156 for rev in revs: |
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157 rev in s |
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158 timer(d) |
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159 fm.end() |
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160 |
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161 @command('perfdirs') |
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162 def perfdirs(ui, repo): |
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163 timer, fm = gettimer(ui) |
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164 dirstate = repo.dirstate |
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165 'a' in dirstate |
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166 def d(): |
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167 dirstate.dirs() |
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168 del dirstate._dirs |
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169 timer(d) |
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170 fm.end() |
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171 |
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172 @command('perfdirstate') |
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173 def perfdirstate(ui, repo): |
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174 timer, fm = gettimer(ui) |
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175 "a" in repo.dirstate |
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176 def d(): |
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177 repo.dirstate.invalidate() |
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178 "a" in repo.dirstate |
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179 timer(d) |
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180 fm.end() |
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181 |
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182 @command('perfdirstatedirs') |
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183 def perfdirstatedirs(ui, repo): |
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184 timer, fm = gettimer(ui) |
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185 "a" in repo.dirstate |
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186 def d(): |
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187 "a" in repo.dirstate._dirs |
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188 del repo.dirstate._dirs |
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189 timer(d) |
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190 fm.end() |
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191 |
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192 @command('perffilefoldmap') |
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193 def perffilefoldmap(ui, repo): |
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194 timer, fm = gettimer(ui) |
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195 dirstate = repo.dirstate |
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196 'a' in dirstate |
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197 def d(): |
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198 dirstate._filefoldmap.get('a') |
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199 del dirstate._filefoldmap |
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200 timer(d) |
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201 fm.end() |
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202 |
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203 @command('perfdirfoldmap') |
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204 def perfdirfoldmap(ui, repo): |
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205 timer, fm = gettimer(ui) |
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206 dirstate = repo.dirstate |
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207 'a' in dirstate |
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208 def d(): |
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209 dirstate._dirfoldmap.get('a') |
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210 del dirstate._dirfoldmap |
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211 del dirstate._dirs |
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212 timer(d) |
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213 fm.end() |
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214 |
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215 @command('perfdirstatewrite') |
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216 def perfdirstatewrite(ui, repo): |
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217 timer, fm = gettimer(ui) |
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218 ds = repo.dirstate |
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219 "a" in ds |
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220 def d(): |
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221 ds._dirty = True |
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222 ds.write() |
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223 timer(d) |
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224 fm.end() |
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225 |
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226 @command('perfmergecalculate', |
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227 [('r', 'rev', '.', 'rev to merge against')]) |
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228 def perfmergecalculate(ui, repo, rev): |
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229 timer, fm = gettimer(ui) |
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230 wctx = repo[None] |
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231 rctx = scmutil.revsingle(repo, rev, rev) |
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232 ancestor = wctx.ancestor(rctx) |
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233 # we don't want working dir files to be stat'd in the benchmark, so prime |
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234 # that cache |
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235 wctx.dirty() |
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236 def d(): |
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237 # acceptremote is True because we don't want prompts in the middle of |
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238 # our benchmark |
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239 merge.calculateupdates(repo, wctx, rctx, ancestor, False, False, False, |
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240 acceptremote=True) |
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241 timer(d) |
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242 fm.end() |
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243 |
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244 @command('perfpathcopies', [], "REV REV") |
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245 def perfpathcopies(ui, repo, rev1, rev2): |
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246 timer, fm = gettimer(ui) |
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247 ctx1 = scmutil.revsingle(repo, rev1, rev1) |
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248 ctx2 = scmutil.revsingle(repo, rev2, rev2) |
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249 def d(): |
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250 copies.pathcopies(ctx1, ctx2) |
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251 timer(d) |
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252 fm.end() |
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253 |
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254 @command('perfmanifest', [], 'REV') |
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255 def perfmanifest(ui, repo, rev): |
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256 timer, fm = gettimer(ui) |
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257 ctx = scmutil.revsingle(repo, rev, rev) |
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258 t = ctx.manifestnode() |
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259 def d(): |
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260 repo.manifest._mancache.clear() |
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261 repo.manifest._cache = None |
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262 repo.manifest.read(t) |
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263 timer(d) |
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264 fm.end() |
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265 |
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266 @command('perfchangeset') |
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267 def perfchangeset(ui, repo, rev): |
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268 timer, fm = gettimer(ui) |
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269 n = repo[rev].node() |
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270 def d(): |
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271 repo.changelog.read(n) |
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272 #repo.changelog._cache = None |
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273 timer(d) |
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274 fm.end() |
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275 |
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276 @command('perfindex') |
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277 def perfindex(ui, repo): |
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278 import mercurial.revlog |
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279 timer, fm = gettimer(ui) |
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280 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg |
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281 n = repo["tip"].node() |
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282 def d(): |
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283 cl = mercurial.revlog.revlog(repo.svfs, "00changelog.i") |
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284 cl.rev(n) |
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285 timer(d) |
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286 fm.end() |
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287 |
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288 @command('perfstartup') |
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289 def perfstartup(ui, repo): |
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290 timer, fm = gettimer(ui) |
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291 cmd = sys.argv[0] |
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292 def d(): |
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293 os.system("HGRCPATH= %s version -q > /dev/null" % cmd) |
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294 timer(d) |
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295 fm.end() |
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296 |
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297 @command('perfparents') |
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298 def perfparents(ui, repo): |
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299 timer, fm = gettimer(ui) |
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300 nl = [repo.changelog.node(i) for i in xrange(1000)] |
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301 def d(): |
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302 for n in nl: |
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303 repo.changelog.parents(n) |
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304 timer(d) |
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305 fm.end() |
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306 |
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307 @command('perfctxfiles') |
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308 def perfparents(ui, repo, x): |
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309 x = int(x) |
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310 timer, fm = gettimer(ui) |
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311 def d(): |
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312 len(repo[x].files()) |
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313 timer(d) |
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314 fm.end() |
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315 |
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316 @command('perfrawfiles') |
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317 def perfparents(ui, repo, x): |
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318 x = int(x) |
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319 timer, fm = gettimer(ui) |
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320 cl = repo.changelog |
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321 def d(): |
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322 len(cl.read(x)[3]) |
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323 timer(d) |
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324 fm.end() |
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325 |
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326 @command('perflookup') |
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327 def perflookup(ui, repo, rev): |
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328 timer, fm = gettimer(ui) |
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329 timer(lambda: len(repo.lookup(rev))) |
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330 fm.end() |
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331 |
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332 @command('perfrevrange') |
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333 def perfrevrange(ui, repo, *specs): |
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334 timer, fm = gettimer(ui) |
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335 revrange = scmutil.revrange |
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336 timer(lambda: len(revrange(repo, specs))) |
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337 fm.end() |
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338 |
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339 @command('perfnodelookup') |
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341 timer, fm = gettimer(ui) |
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344 n = repo[rev].node() | |
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345 cl = mercurial.revlog.revlog(repo.svfs, "00changelog.i") |
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346 def d(): |
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347 cl.rev(n) |
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348 clearcaches(cl) |
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349 timer(d) |
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350 fm.end() |
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351 |
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352 @command('perflog', |
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353 [('', 'rename', False, 'ask log to follow renames')]) |
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354 def perflog(ui, repo, **opts): |
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355 timer, fm = gettimer(ui) |
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356 ui.pushbuffer() |
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357 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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358 copies=opts.get('rename'))) |
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359 ui.popbuffer() |
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360 fm.end() |
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361 |
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362 @command('perfmoonwalk') |
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363 def perfmoonwalk(ui, repo): |
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364 """benchmark walking the changelog backwards |
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365 |
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366 This also loads the changelog data for each revision in the changelog. |
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367 """ |
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368 timer, fm = gettimer(ui) |
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369 def moonwalk(): |
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370 for i in xrange(len(repo), -1, -1): |
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371 ctx = repo[i] |
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372 ctx.branch() # read changelog data (in addition to the index) |
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373 timer(moonwalk) |
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374 fm.end() |
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375 |
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376 @command('perftemplating') |
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377 def perftemplating(ui, repo): |
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378 timer, fm = gettimer(ui) |
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379 ui.pushbuffer() |
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380 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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381 template='{date|shortdate} [{rev}:{node|short}]' |
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382 ' {author|person}: {desc|firstline}\n')) |
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383 ui.popbuffer() |
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384 fm.end() |
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385 |
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386 @command('perfcca') |
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387 def perfcca(ui, repo): |
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388 timer, fm = gettimer(ui) |
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389 timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate)) |
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390 fm.end() |
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391 |
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392 @command('perffncacheload') |
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393 def perffncacheload(ui, repo): |
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394 timer, fm = gettimer(ui) |
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395 s = repo.store |
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396 def d(): |
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397 s.fncache._load() |
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398 timer(d) |
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399 fm.end() |
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400 |
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401 @command('perffncachewrite') |
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402 def perffncachewrite(ui, repo): |
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403 timer, fm = gettimer(ui) |
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404 s = repo.store |
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405 s.fncache._load() |
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406 def d(): |
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407 s.fncache._dirty = True |
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408 s.fncache.write() |
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409 timer(d) |
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410 fm.end() |
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411 |
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412 @command('perffncacheencode') |
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413 def perffncacheencode(ui, repo): |
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414 timer, fm = gettimer(ui) |
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415 s = repo.store |
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416 s.fncache._load() |
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417 def d(): |
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418 for p in s.fncache.entries: |
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419 s.encode(p) |
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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('perfdiffwd') |
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424 def perfdiffwd(ui, repo): |
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425 """Profile diff of working directory changes""" |
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426 timer, fm = gettimer(ui) |
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427 options = { |
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428 'w': 'ignore_all_space', |
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429 'b': 'ignore_space_change', |
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430 'B': 'ignore_blank_lines', |
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431 } |
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432 |
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433 for diffopt in ('', 'w', 'b', 'B', 'wB'): |
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434 opts = dict((options[c], '1') for c in diffopt) |
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435 def d(): |
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436 ui.pushbuffer() |
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437 commands.diff(ui, repo, **opts) |
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438 ui.popbuffer() |
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439 title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none') |
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440 timer(d, title) |
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441 fm.end() |
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442 |
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443 @command('perfrevlog', |
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444 [('d', 'dist', 100, 'distance between the revisions')], |
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445 "[INDEXFILE]") |
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446 def perfrevlog(ui, repo, file_, **opts): |
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447 timer, fm = gettimer(ui) |
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448 from mercurial import revlog |
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449 dist = opts['dist'] |
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450 def d(): |
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451 r = revlog.revlog(lambda fn: open(fn, 'rb'), file_) |
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452 for x in xrange(0, len(r), dist): |
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453 r.revision(r.node(x)) |
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454 |
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455 timer(d) |
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456 fm.end() |
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457 |
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458 @command('perfrevset', |
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459 [('C', 'clear', False, 'clear volatile cache between each call.')], |
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460 "REVSET") |
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461 def perfrevset(ui, repo, expr, clear=False): |
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462 """benchmark the execution time of a revset |
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463 |
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464 Use the --clean option if need to evaluate the impact of build volatile |
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465 revisions set cache on the revset execution. Volatile cache hold filtered |
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466 and obsolete related cache.""" |
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467 timer, fm = gettimer(ui) |
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468 def d(): |
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469 if clear: |
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470 repo.invalidatevolatilesets() |
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471 for r in repo.revs(expr): pass |
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472 timer(d) |
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473 fm.end() |
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474 |
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475 @command('perfvolatilesets') |
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476 def perfvolatilesets(ui, repo, *names): |
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477 """benchmark the computation of various volatile set |
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478 |
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479 Volatile set computes element related to filtering and obsolescence.""" |
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480 timer, fm = gettimer(ui) |
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481 repo = repo.unfiltered() |
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482 |
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483 def getobs(name): |
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484 def d(): |
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485 repo.invalidatevolatilesets() |
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486 obsolete.getrevs(repo, name) |
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487 return d |
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488 |
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489 allobs = sorted(obsolete.cachefuncs) |
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490 if names: |
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491 allobs = [n for n in allobs if n in names] |
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492 |
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493 for name in allobs: |
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494 timer(getobs(name), title=name) |
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495 |
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496 def getfiltered(name): |
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497 def d(): |
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498 repo.invalidatevolatilesets() |
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499 repoview.filterrevs(repo, name) |
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500 return d |
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501 |
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502 allfilter = sorted(repoview.filtertable) |
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503 if names: |
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504 allfilter = [n for n in allfilter if n in names] |
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505 |
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506 for name in allfilter: |
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507 timer(getfiltered(name), title=name) |
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508 fm.end() |
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509 |
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510 @command('perfbranchmap', |
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511 [('f', 'full', False, |
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512 'Includes build time of subset'), |
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513 ]) |
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514 def perfbranchmap(ui, repo, full=False): |
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515 """benchmark the update of a branchmap |
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516 |
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517 This benchmarks the full repo.branchmap() call with read and write disabled |
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518 """ |
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519 timer, fm = gettimer(ui) |
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520 def getbranchmap(filtername): |
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521 """generate a benchmark function for the filtername""" |
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522 if filtername is None: |
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523 view = repo |
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524 else: |
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525 view = repo.filtered(filtername) |
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526 def d(): |
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527 if full: |
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528 view._branchcaches.clear() |
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529 else: |
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530 view._branchcaches.pop(filtername, None) |
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531 view.branchmap() |
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532 return d |
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533 # add filter in smaller subset to bigger subset |
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534 possiblefilters = set(repoview.filtertable) |
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535 allfilters = [] |
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536 while possiblefilters: |
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537 for name in possiblefilters: |
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538 subset = branchmap.subsettable.get(name) |
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539 if subset not in possiblefilters: |
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540 break |
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541 else: |
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542 assert False, 'subset cycle %s!' % possiblefilters |
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543 allfilters.append(name) |
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544 possiblefilters.remove(name) |
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545 |
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546 # warm the cache |
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547 if not full: |
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548 for name in allfilters: |
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549 repo.filtered(name).branchmap() |
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550 # add unfiltered |
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551 allfilters.append(None) |
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552 oldread = branchmap.read |
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553 oldwrite = branchmap.branchcache.write |
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554 try: |
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555 branchmap.read = lambda repo: None |
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556 branchmap.write = lambda repo: None |
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557 for name in allfilters: |
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558 timer(getbranchmap(name), title=str(name)) |
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559 finally: |
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560 branchmap.read = oldread |
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561 branchmap.branchcache.write = oldwrite |
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562 fm.end() |
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563 |
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564 @command('perfloadmarkers') |
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565 def perfloadmarkers(ui, repo): |
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566 """benchmark the time to parse the on-disk markers for a repo |
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567 |
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568 Result is the number of markers in the repo.""" |
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569 timer, fm = gettimer(ui) |
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570 timer(lambda: len(obsolete.obsstore(repo.svfs))) |
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571 fm.end() |