Mercurial > hg
annotate contrib/perf.py @ 23287:426d7f901789
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This is only relevant for generaldelta clones.
author | Siddharth Agarwal <sid0@fb.com> |
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date | Tue, 11 Nov 2014 20:01:19 -0800 |
parents | 8afae1d5d108 |
children | ccb93e9affc1 |
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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() |