Mercurial > hg
annotate contrib/perf.py @ 19273:f3effc499288
run-tests: add abort flag
This will be used to help threads clean up gracefully
author | Matt Mackall <mpm@selenic.com> |
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date | Sun, 02 Jun 2013 16:29:35 -0500 |
parents | 2e9fe9e2671f |
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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, match, 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 |
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8 cmdtable = {} |
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9 command = cmdutil.command(cmdtable) |
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10 |
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11 def timer(func, title=None): |
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12 results = [] |
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13 begin = time.time() |
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14 count = 0 |
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15 while True: |
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16 ostart = os.times() |
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17 cstart = time.time() |
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18 r = func() |
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19 cstop = time.time() |
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20 ostop = os.times() |
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21 count += 1 |
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22 a, b = ostart, ostop |
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23 results.append((cstop - cstart, b[0] - a[0], b[1]-a[1])) |
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24 if cstop - begin > 3 and count >= 100: |
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25 break |
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26 if cstop - begin > 10 and count >= 3: |
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27 break |
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28 if title: |
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29 sys.stderr.write("! %s\n" % title) |
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30 if r: |
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31 sys.stderr.write("! result: %s\n" % r) |
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32 m = min(results) |
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33 sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n" |
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34 % (m[0], m[1] + m[2], m[1], m[2], count)) |
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35 |
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36 @command('perfwalk') |
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37 def perfwalk(ui, repo, *pats): |
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38 try: |
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39 m = scmutil.match(repo[None], pats, {}) |
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40 timer(lambda: len(list(repo.dirstate.walk(m, [], True, False)))) |
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41 except Exception: |
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42 try: |
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43 m = scmutil.match(repo[None], pats, {}) |
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44 timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)])) |
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45 except Exception: |
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46 timer(lambda: len(list(cmdutil.walk(repo, pats, {})))) |
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47 |
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48 @command('perfstatus', |
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49 [('u', 'unknown', False, |
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50 'ask status to look for unknown files')]) |
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51 def perfstatus(ui, repo, **opts): |
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52 #m = match.always(repo.root, repo.getcwd()) |
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54 # False)))) | |
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55 timer(lambda: sum(map(len, repo.status(**opts)))) |
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56 |
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57 @command('perfaddremove') |
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58 def perfaddremove(ui, repo): |
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59 try: |
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60 oldquiet = repo.ui.quiet |
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61 repo.ui.quiet = True |
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62 timer(lambda: scmutil.addremove(repo, dry_run=True)) |
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63 finally: |
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64 repo.ui.quiet = oldquiet |
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65 |
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66 def clearcaches(cl): |
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67 # behave somewhat consistently across internal API changes |
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68 if util.safehasattr(cl, 'clearcaches'): |
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69 cl.clearcaches() |
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70 elif util.safehasattr(cl, '_nodecache'): |
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71 from mercurial.node import nullid, nullrev |
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72 cl._nodecache = {nullid: nullrev} |
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73 cl._nodepos = None |
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74 |
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75 @command('perfheads') |
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76 def perfheads(ui, repo): |
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77 cl = repo.changelog |
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78 def d(): |
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79 len(cl.headrevs()) |
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80 clearcaches(cl) |
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81 timer(d) |
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82 |
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83 @command('perftags') |
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84 def perftags(ui, repo): |
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85 import mercurial.changelog, mercurial.manifest |
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86 def t(): |
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87 repo.changelog = mercurial.changelog.changelog(repo.sopener) |
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88 repo.manifest = mercurial.manifest.manifest(repo.sopener) |
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89 repo._tags = None |
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90 return len(repo.tags()) |
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91 timer(t) |
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92 |
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93 @command('perfancestors') |
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94 def perfancestors(ui, repo): |
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95 heads = repo.changelog.headrevs() |
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96 def d(): |
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97 for a in repo.changelog.ancestors(heads): |
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98 pass |
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99 timer(d) |
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100 |
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101 @command('perfancestorset') |
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102 def perfancestorset(ui, repo, revset): |
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103 revs = repo.revs(revset) |
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104 heads = repo.changelog.headrevs() |
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105 def d(): |
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106 s = repo.changelog.ancestors(heads) |
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107 for rev in revs: |
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108 rev in s |
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109 timer(d) |
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110 |
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111 @command('perfdirs') |
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112 def perfdirs(ui, repo): |
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113 dirstate = repo.dirstate |
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114 'a' in dirstate |
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115 def d(): |
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116 dirstate.dirs() |
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117 del dirstate._dirs |
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118 timer(d) |
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119 |
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120 @command('perfdirstate') |
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121 def perfdirstate(ui, repo): |
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122 "a" in repo.dirstate |
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123 def d(): |
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124 repo.dirstate.invalidate() |
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125 "a" in repo.dirstate |
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126 timer(d) |
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127 |
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128 @command('perfdirstatedirs') |
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129 def perfdirstatedirs(ui, repo): |
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130 "a" in repo.dirstate |
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131 def d(): |
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132 "a" in repo.dirstate._dirs |
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133 del repo.dirstate._dirs |
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134 timer(d) |
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135 |
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136 @command('perfdirstatewrite') |
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137 def perfdirstatewrite(ui, repo): |
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138 ds = repo.dirstate |
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139 "a" in ds |
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140 def d(): |
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141 ds._dirty = True |
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142 ds.write() |
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143 timer(d) |
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144 |
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145 @command('perfmergecalculate', |
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146 [('r', 'rev', '.', 'rev to merge against')]) |
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147 def perfmergecalculate(ui, repo, rev): |
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148 wctx = repo[None] |
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149 rctx = scmutil.revsingle(repo, rev, rev) |
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150 ancestor = wctx.ancestor(rctx) |
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151 # we don't want working dir files to be stat'd in the benchmark, so prime |
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152 # that cache |
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153 wctx.dirty() |
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154 def d(): |
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155 # acceptremote is True because we don't want prompts in the middle of |
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156 # our benchmark |
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157 merge.calculateupdates(repo, wctx, rctx, ancestor, False, False, False, |
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158 acceptremote=True) |
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159 timer(d) |
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160 |
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161 @command('perfpathcopies', [], "REV REV") |
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162 def perfpathcopies(ui, repo, rev1, rev2): |
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163 ctx1 = scmutil.revsingle(repo, rev1, rev1) |
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164 ctx2 = scmutil.revsingle(repo, rev2, rev2) |
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165 def d(): |
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166 copies.pathcopies(ctx1, ctx2) |
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167 timer(d) |
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168 |
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169 @command('perfmanifest') |
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170 def perfmanifest(ui, repo): |
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171 def d(): |
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172 t = repo.manifest.tip() |
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173 m = repo.manifest.read(t) |
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174 repo.manifest.mapcache = None |
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175 repo.manifest._cache = None |
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176 timer(d) |
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177 |
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178 @command('perfchangeset') |
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179 def perfchangeset(ui, repo, rev): |
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180 n = repo[rev].node() |
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181 def d(): |
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182 c = repo.changelog.read(n) |
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183 #repo.changelog._cache = None |
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184 timer(d) |
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185 |
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186 @command('perfindex') |
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187 def perfindex(ui, repo): |
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188 import mercurial.revlog |
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189 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg |
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190 n = repo["tip"].node() |
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191 def d(): |
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192 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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193 cl.rev(n) |
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194 timer(d) |
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195 |
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196 @command('perfstartup') |
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197 def perfstartup(ui, repo): |
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198 cmd = sys.argv[0] |
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199 def d(): |
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200 os.system("HGRCPATH= %s version -q > /dev/null" % cmd) |
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201 timer(d) |
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202 |
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203 @command('perfparents') |
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204 def perfparents(ui, repo): |
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205 nl = [repo.changelog.node(i) for i in xrange(1000)] |
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206 def d(): |
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207 for n in nl: |
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208 repo.changelog.parents(n) |
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209 timer(d) |
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210 |
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211 @command('perflookup') |
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212 def perflookup(ui, repo, rev): |
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213 timer(lambda: len(repo.lookup(rev))) |
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214 |
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215 @command('perfrevrange') |
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216 def perfrevrange(ui, repo, *specs): |
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217 revrange = scmutil.revrange |
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218 timer(lambda: len(revrange(repo, specs))) |
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219 |
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220 @command('perfnodelookup') |
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222 import mercurial.revlog | |
223 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg | |
224 n = repo[rev].node() | |
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225 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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226 def d(): |
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227 cl.rev(n) |
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228 clearcaches(cl) |
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229 timer(d) |
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230 |
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231 @command('perflog', |
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232 [('', 'rename', False, 'ask log to follow renames')]) |
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233 def perflog(ui, repo, **opts): |
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234 ui.pushbuffer() |
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235 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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236 copies=opts.get('rename'))) |
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237 ui.popbuffer() |
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238 |
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239 @command('perftemplating') |
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240 def perftemplating(ui, repo): |
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241 ui.pushbuffer() |
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242 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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243 template='{date|shortdate} [{rev}:{node|short}]' |
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244 ' {author|person}: {desc|firstline}\n')) |
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245 ui.popbuffer() |
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246 |
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247 @command('perfcca') |
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248 def perfcca(ui, repo): |
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249 timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate)) |
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250 |
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251 @command('perffncacheload') |
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252 def perffncacheload(ui, repo): |
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253 s = repo.store |
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254 def d(): |
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255 s.fncache._load() |
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256 timer(d) |
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257 |
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258 @command('perffncachewrite') |
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259 def perffncachewrite(ui, repo): |
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260 s = repo.store |
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261 s.fncache._load() |
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262 def d(): |
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263 s.fncache._dirty = True |
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264 s.fncache.write() |
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265 timer(d) |
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266 |
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267 @command('perffncacheencode') |
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268 def perffncacheencode(ui, repo): |
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269 s = repo.store |
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270 s.fncache._load() |
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271 def d(): |
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272 for p in s.fncache.entries: |
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273 s.encode(p) |
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274 timer(d) |
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275 |
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276 @command('perfdiffwd') |
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277 def perfdiffwd(ui, repo): |
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278 """Profile diff of working directory changes""" |
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279 options = { |
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280 'w': 'ignore_all_space', |
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281 'b': 'ignore_space_change', |
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282 'B': 'ignore_blank_lines', |
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283 } |
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284 |
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285 for diffopt in ('', 'w', 'b', 'B', 'wB'): |
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286 opts = dict((options[c], '1') for c in diffopt) |
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287 def d(): |
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288 ui.pushbuffer() |
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289 commands.diff(ui, repo, **opts) |
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290 ui.popbuffer() |
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291 title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none') |
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292 timer(d, title) |
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293 |
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294 @command('perfrevlog', |
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295 [('d', 'dist', 100, 'distance between the revisions')], |
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296 "[INDEXFILE]") |
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297 def perfrevlog(ui, repo, file_, **opts): |
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298 from mercurial import revlog |
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299 dist = opts['dist'] |
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300 def d(): |
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301 r = revlog.revlog(lambda fn: open(fn, 'rb'), file_) |
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302 for x in xrange(0, len(r), dist): |
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303 r.revision(r.node(x)) |
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304 |
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305 timer(d) |
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306 |
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307 @command('perfrevset', |
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308 [('C', 'clear', False, 'clear volatile cache between each call.')], |
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309 "REVSET") |
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310 def perfrevset(ui, repo, expr, clear=False): |
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311 """benchmark the execution time of a revset |
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312 |
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313 Use the --clean option if need to evaluate the impact of build volatile |
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314 revisions set cache on the revset execution. Volatile cache hold filtered |
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315 and obsolete related cache.""" |
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316 def d(): |
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317 if clear: |
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318 repo.invalidatevolatilesets() |
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319 repo.revs(expr) |
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320 timer(d) |
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321 |
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322 @command('perfvolatilesets') |
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323 def perfvolatilesets(ui, repo, *names): |
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324 """benchmark the computation of various volatile set |
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325 |
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326 Volatile set computes element related to filtering and obsolescence.""" |
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327 repo = repo.unfiltered() |
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328 |
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329 def getobs(name): |
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330 def d(): |
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331 repo.invalidatevolatilesets() |
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332 obsolete.getrevs(repo, name) |
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333 return d |
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334 |
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335 allobs = sorted(obsolete.cachefuncs) |
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336 if names: |
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337 allobs = [n for n in allobs if n in names] |
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338 |
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339 for name in allobs: |
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340 timer(getobs(name), title=name) |
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341 |
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342 def getfiltered(name): |
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343 def d(): |
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344 repo.invalidatevolatilesets() |
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345 repoview.filteredrevs(repo, name) |
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346 return d |
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347 |
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348 allfilter = sorted(repoview.filtertable) |
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349 if names: |
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350 allfilter = [n for n in allfilter if n in names] |
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351 |
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352 for name in allfilter: |
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353 timer(getfiltered(name), title=name) |
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354 |
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355 @command('perfbranchmap', |
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356 [('f', 'full', False, |
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357 'Includes build time of subset'), |
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358 ]) |
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359 def perfbranchmap(ui, repo, full=False): |
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360 """benchmark the update of a branchmap |
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361 |
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362 This benchmarks the full repo.branchmap() call with read and write disabled |
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363 """ |
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364 def getbranchmap(filtername): |
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365 """generate a benchmark function for the filtername""" |
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366 if filtername is None: |
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367 view = repo |
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368 else: |
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369 view = repo.filtered(filtername) |
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370 def d(): |
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371 if full: |
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372 view._branchcaches.clear() |
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373 else: |
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374 view._branchcaches.pop(filtername, None) |
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375 view.branchmap() |
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376 return d |
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377 # add filter in smaller subset to bigger subset |
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378 possiblefilters = set(repoview.filtertable) |
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379 allfilters = [] |
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380 while possiblefilters: |
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381 for name in possiblefilters: |
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382 subset = repoview.subsettable.get(name) |
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383 if subset not in possiblefilters: |
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384 break |
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385 else: |
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386 assert False, 'subset cycle %s!' % possiblefilters |
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387 allfilters.append(name) |
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388 possiblefilters.remove(name) |
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389 |
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390 # warm the cache |
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391 if not full: |
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392 for name in allfilters: |
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393 repo.filtered(name).branchmap() |
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394 # add unfiltered |
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395 allfilters.append(None) |
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396 oldread = branchmap.read |
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397 oldwrite = branchmap.branchcache.write |
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398 try: |
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399 branchmap.read = lambda repo: None |
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400 branchmap.write = lambda repo: None |
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401 for name in allfilters: |
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402 timer(getbranchmap(name), title=str(name)) |
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403 finally: |
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404 branchmap.read = oldread |
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405 branchmap.branchcache.write = oldwrite |