Mercurial > hg
annotate contrib/perf.py @ 19629:81241f978fd2
bundlerevlog: extract 'baserevision' method
This makes possible to use bundlerevlog class with subclasses of revlog
that override revlog's 'revision' method. In particular this change is necessary
to implement manifest compression, as it allows extension to replace manifest
class and override 'revision' method there.
author | Wojciech Lopata <lopek@fb.com> |
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date | Mon, 26 Aug 2013 16:50:31 -0700 |
parents | 9de689d20230 |
children | 0a881ea4bed4 |
rev | line source |
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1 # perf.py - performance test routines |
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2 '''helper extension to measure performance''' |
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3 |
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4 from mercurial import cmdutil, scmutil, util, commands, obsolete |
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5 from mercurial import repoview, branchmap, merge, copies |
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6 import time, os, sys |
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7 |
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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('perfannotate') |
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49 def perfannotate(ui, repo, f): |
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50 fc = repo['.'][f] |
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51 timer(lambda: len(fc.annotate(True))) |
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52 |
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53 @command('perfstatus', |
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54 [('u', 'unknown', False, |
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55 'ask status to look for unknown files')]) |
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56 def perfstatus(ui, repo, **opts): |
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57 #m = match.always(repo.root, repo.getcwd()) |
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59 # False)))) | |
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60 timer(lambda: sum(map(len, repo.status(**opts)))) |
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61 |
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62 @command('perfaddremove') |
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63 def perfaddremove(ui, repo): |
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64 try: |
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65 oldquiet = repo.ui.quiet |
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66 repo.ui.quiet = True |
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67 timer(lambda: scmutil.addremove(repo, dry_run=True)) |
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68 finally: |
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69 repo.ui.quiet = oldquiet |
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70 |
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71 def clearcaches(cl): |
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72 # behave somewhat consistently across internal API changes |
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73 if util.safehasattr(cl, 'clearcaches'): |
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74 cl.clearcaches() |
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75 elif util.safehasattr(cl, '_nodecache'): |
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76 from mercurial.node import nullid, nullrev |
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77 cl._nodecache = {nullid: nullrev} |
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78 cl._nodepos = None |
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79 |
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80 @command('perfheads') |
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81 def perfheads(ui, repo): |
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82 cl = repo.changelog |
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83 def d(): |
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84 len(cl.headrevs()) |
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85 clearcaches(cl) |
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86 timer(d) |
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87 |
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88 @command('perftags') |
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89 def perftags(ui, repo): |
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90 import mercurial.changelog, mercurial.manifest |
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91 def t(): |
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92 repo.changelog = mercurial.changelog.changelog(repo.sopener) |
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93 repo.manifest = mercurial.manifest.manifest(repo.sopener) |
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94 repo._tags = None |
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95 return len(repo.tags()) |
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96 timer(t) |
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97 |
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98 @command('perfancestors') |
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99 def perfancestors(ui, repo): |
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100 heads = repo.changelog.headrevs() |
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101 def d(): |
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102 for a in repo.changelog.ancestors(heads): |
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103 pass |
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104 timer(d) |
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105 |
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106 @command('perfancestorset') |
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107 def perfancestorset(ui, repo, revset): |
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108 revs = repo.revs(revset) |
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109 heads = repo.changelog.headrevs() |
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110 def d(): |
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111 s = repo.changelog.ancestors(heads) |
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112 for rev in revs: |
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113 rev in s |
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114 timer(d) |
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115 |
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116 @command('perfdirs') |
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117 def perfdirs(ui, repo): |
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118 dirstate = repo.dirstate |
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119 'a' in dirstate |
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120 def d(): |
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121 dirstate.dirs() |
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122 del dirstate._dirs |
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123 timer(d) |
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124 |
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125 @command('perfdirstate') |
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126 def perfdirstate(ui, repo): |
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127 "a" in repo.dirstate |
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128 def d(): |
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129 repo.dirstate.invalidate() |
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130 "a" in repo.dirstate |
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131 timer(d) |
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132 |
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133 @command('perfdirstatedirs') |
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134 def perfdirstatedirs(ui, repo): |
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135 "a" in repo.dirstate |
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136 def d(): |
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137 "a" in repo.dirstate._dirs |
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138 del repo.dirstate._dirs |
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139 timer(d) |
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140 |
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141 @command('perfdirstatewrite') |
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142 def perfdirstatewrite(ui, repo): |
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143 ds = repo.dirstate |
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144 "a" in ds |
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145 def d(): |
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146 ds._dirty = True |
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147 ds.write() |
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148 timer(d) |
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149 |
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150 @command('perfmergecalculate', |
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151 [('r', 'rev', '.', 'rev to merge against')]) |
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152 def perfmergecalculate(ui, repo, rev): |
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153 wctx = repo[None] |
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154 rctx = scmutil.revsingle(repo, rev, rev) |
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155 ancestor = wctx.ancestor(rctx) |
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156 # we don't want working dir files to be stat'd in the benchmark, so prime |
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157 # that cache |
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158 wctx.dirty() |
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159 def d(): |
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160 # acceptremote is True because we don't want prompts in the middle of |
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161 # our benchmark |
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162 merge.calculateupdates(repo, wctx, rctx, ancestor, False, False, False, |
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163 acceptremote=True) |
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164 timer(d) |
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165 |
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166 @command('perfpathcopies', [], "REV REV") |
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167 def perfpathcopies(ui, repo, rev1, rev2): |
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168 ctx1 = scmutil.revsingle(repo, rev1, rev1) |
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169 ctx2 = scmutil.revsingle(repo, rev2, rev2) |
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170 def d(): |
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171 copies.pathcopies(ctx1, ctx2) |
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172 timer(d) |
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173 |
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174 @command('perfmanifest') |
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175 def perfmanifest(ui, repo): |
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176 def d(): |
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177 t = repo.manifest.tip() |
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178 repo.manifest.read(t) |
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179 repo.manifest.mapcache = None |
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180 repo.manifest._cache = None |
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181 timer(d) |
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182 |
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183 @command('perfchangeset') |
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184 def perfchangeset(ui, repo, rev): |
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185 n = repo[rev].node() |
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186 def d(): |
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187 repo.changelog.read(n) |
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188 #repo.changelog._cache = None |
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189 timer(d) |
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190 |
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191 @command('perfindex') |
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192 def perfindex(ui, repo): |
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193 import mercurial.revlog |
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194 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg |
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195 n = repo["tip"].node() |
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196 def d(): |
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197 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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198 cl.rev(n) |
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199 timer(d) |
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200 |
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201 @command('perfstartup') |
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202 def perfstartup(ui, repo): |
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203 cmd = sys.argv[0] |
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204 def d(): |
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205 os.system("HGRCPATH= %s version -q > /dev/null" % cmd) |
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206 timer(d) |
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207 |
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208 @command('perfparents') |
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209 def perfparents(ui, repo): |
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210 nl = [repo.changelog.node(i) for i in xrange(1000)] |
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211 def d(): |
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212 for n in nl: |
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213 repo.changelog.parents(n) |
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214 timer(d) |
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215 |
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216 @command('perflookup') |
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217 def perflookup(ui, repo, rev): |
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218 timer(lambda: len(repo.lookup(rev))) |
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219 |
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220 @command('perfrevrange') |
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221 def perfrevrange(ui, repo, *specs): |
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222 revrange = scmutil.revrange |
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223 timer(lambda: len(revrange(repo, specs))) |
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224 |
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225 @command('perfnodelookup') |
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227 import mercurial.revlog | |
228 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg | |
229 n = repo[rev].node() | |
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230 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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231 def d(): |
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232 cl.rev(n) |
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233 clearcaches(cl) |
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234 timer(d) |
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235 |
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236 @command('perflog', |
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237 [('', 'rename', False, 'ask log to follow renames')]) |
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238 def perflog(ui, repo, **opts): |
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239 ui.pushbuffer() |
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240 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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241 copies=opts.get('rename'))) |
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242 ui.popbuffer() |
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243 |
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244 @command('perftemplating') |
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245 def perftemplating(ui, repo): |
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246 ui.pushbuffer() |
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247 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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248 template='{date|shortdate} [{rev}:{node|short}]' |
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249 ' {author|person}: {desc|firstline}\n')) |
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250 ui.popbuffer() |
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251 |
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252 @command('perfcca') |
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253 def perfcca(ui, repo): |
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254 timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate)) |
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255 |
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256 @command('perffncacheload') |
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257 def perffncacheload(ui, repo): |
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258 s = repo.store |
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259 def d(): |
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260 s.fncache._load() |
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261 timer(d) |
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262 |
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263 @command('perffncachewrite') |
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264 def perffncachewrite(ui, repo): |
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265 s = repo.store |
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266 s.fncache._load() |
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267 def d(): |
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268 s.fncache._dirty = True |
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269 s.fncache.write() |
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270 timer(d) |
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271 |
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272 @command('perffncacheencode') |
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273 def perffncacheencode(ui, repo): |
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274 s = repo.store |
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275 s.fncache._load() |
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276 def d(): |
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277 for p in s.fncache.entries: |
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278 s.encode(p) |
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279 timer(d) |
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280 |
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281 @command('perfdiffwd') |
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282 def perfdiffwd(ui, repo): |
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283 """Profile diff of working directory changes""" |
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284 options = { |
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285 'w': 'ignore_all_space', |
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286 'b': 'ignore_space_change', |
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287 'B': 'ignore_blank_lines', |
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288 } |
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289 |
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290 for diffopt in ('', 'w', 'b', 'B', 'wB'): |
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291 opts = dict((options[c], '1') for c in diffopt) |
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292 def d(): |
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293 ui.pushbuffer() |
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294 commands.diff(ui, repo, **opts) |
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295 ui.popbuffer() |
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296 title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none') |
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297 timer(d, title) |
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298 |
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299 @command('perfrevlog', |
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300 [('d', 'dist', 100, 'distance between the revisions')], |
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301 "[INDEXFILE]") |
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302 def perfrevlog(ui, repo, file_, **opts): |
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303 from mercurial import revlog |
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304 dist = opts['dist'] |
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305 def d(): |
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306 r = revlog.revlog(lambda fn: open(fn, 'rb'), file_) |
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307 for x in xrange(0, len(r), dist): |
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308 r.revision(r.node(x)) |
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309 |
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310 timer(d) |
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311 |
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312 @command('perfrevset', |
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313 [('C', 'clear', False, 'clear volatile cache between each call.')], |
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314 "REVSET") |
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315 def perfrevset(ui, repo, expr, clear=False): |
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316 """benchmark the execution time of a revset |
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317 |
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318 Use the --clean option if need to evaluate the impact of build volatile |
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319 revisions set cache on the revset execution. Volatile cache hold filtered |
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320 and obsolete related cache.""" |
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321 def d(): |
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322 if clear: |
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323 repo.invalidatevolatilesets() |
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324 repo.revs(expr) |
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325 timer(d) |
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326 |
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327 @command('perfvolatilesets') |
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328 def perfvolatilesets(ui, repo, *names): |
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329 """benchmark the computation of various volatile set |
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330 |
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331 Volatile set computes element related to filtering and obsolescence.""" |
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332 repo = repo.unfiltered() |
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333 |
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334 def getobs(name): |
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335 def d(): |
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336 repo.invalidatevolatilesets() |
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337 obsolete.getrevs(repo, name) |
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338 return d |
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339 |
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340 allobs = sorted(obsolete.cachefuncs) |
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341 if names: |
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342 allobs = [n for n in allobs if n in names] |
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343 |
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344 for name in allobs: |
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345 timer(getobs(name), title=name) |
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346 |
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347 def getfiltered(name): |
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348 def d(): |
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349 repo.invalidatevolatilesets() |
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350 repoview.filteredrevs(repo, name) |
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351 return d |
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352 |
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353 allfilter = sorted(repoview.filtertable) |
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354 if names: |
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355 allfilter = [n for n in allfilter if n in names] |
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356 |
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357 for name in allfilter: |
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358 timer(getfiltered(name), title=name) |
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359 |
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360 @command('perfbranchmap', |
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361 [('f', 'full', False, |
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362 'Includes build time of subset'), |
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363 ]) |
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364 def perfbranchmap(ui, repo, full=False): |
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365 """benchmark the update of a branchmap |
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366 |
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367 This benchmarks the full repo.branchmap() call with read and write disabled |
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368 """ |
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369 def getbranchmap(filtername): |
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370 """generate a benchmark function for the filtername""" |
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371 if filtername is None: |
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372 view = repo |
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373 else: |
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374 view = repo.filtered(filtername) |
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375 def d(): |
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376 if full: |
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377 view._branchcaches.clear() |
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378 else: |
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379 view._branchcaches.pop(filtername, None) |
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380 view.branchmap() |
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381 return d |
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382 # add filter in smaller subset to bigger subset |
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383 possiblefilters = set(repoview.filtertable) |
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384 allfilters = [] |
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385 while possiblefilters: |
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386 for name in possiblefilters: |
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387 subset = repoview.subsettable.get(name) |
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388 if subset not in possiblefilters: |
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389 break |
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390 else: |
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391 assert False, 'subset cycle %s!' % possiblefilters |
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392 allfilters.append(name) |
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393 possiblefilters.remove(name) |
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394 |
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395 # warm the cache |
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396 if not full: |
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397 for name in allfilters: |
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398 repo.filtered(name).branchmap() |
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399 # add unfiltered |
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400 allfilters.append(None) |
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401 oldread = branchmap.read |
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402 oldwrite = branchmap.branchcache.write |
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403 try: |
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404 branchmap.read = lambda repo: None |
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405 branchmap.write = lambda repo: None |
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406 for name in allfilters: |
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407 timer(getbranchmap(name), title=str(name)) |
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408 finally: |
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409 branchmap.read = oldread |
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410 branchmap.branchcache.write = oldwrite |