Mercurial > public > mercurial-scm > hg-stable

annotate contrib/perf.py @ 18238:1f991e625d01

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perftest: document the perfrevset command I'll add an argument to it.
author Pierre-Yves David <pierre-yves.david@logilab.fr>
date Fri, 04 Jan 2013 19:22:15 +0100
parents 4132dc9bd5c4
children a95f1d619bb7
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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
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5 import time, os, sys
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6
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7 cmdtable = {}
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8 command = cmdutil.command(cmdtable)
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9
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10 def timer(func, title=None):
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11 results = []
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12 begin = time.time()
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13 count = 0
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14 while True:
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15 ostart = os.times()
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16 cstart = time.time()
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17 r = func()
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18 cstop = time.time()
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19 ostop = os.times()
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20 count += 1
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21 a, b = ostart, ostop
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22 results.append((cstop - cstart, b[0] - a[0], b[1]-a[1]))
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23 if cstop - begin > 3 and count >= 100:
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24 break
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25 if cstop - begin > 10 and count >= 3:
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26 break
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27 if title:
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28 sys.stderr.write("! %s\n" % title)
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29 if r:
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30 sys.stderr.write("! result: %s\n" % r)
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31 m = min(results)
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32 sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n"
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33 % (m[0], m[1] + m[2], m[1], m[2], count))
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34
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35 @command('perfwalk')
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36 def perfwalk(ui, repo, *pats):
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37 try:
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38 m = scmutil.match(repo[None], pats, {})
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39 timer(lambda: len(list(repo.dirstate.walk(m, [], True, False))))
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40 except Exception:
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41 try:
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42 m = scmutil.match(repo[None], pats, {})
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43 timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)]))
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44 except Exception:
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45 timer(lambda: len(list(cmdutil.walk(repo, pats, {}))))
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46
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47 @command('perfstatus',
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48 [('u', 'unknown', False,
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49 'ask status to look for unknown files')])
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50 def perfstatus(ui, repo, **opts):
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51 #m = match.always(repo.root, repo.getcwd())
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52 #timer(lambda: sum(map(len, repo.dirstate.status(m, [], False, False,
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53 # False))))
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54 timer(lambda: sum(map(len, repo.status(**opts))))
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55
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56 def clearcaches(cl):
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57 # behave somewhat consistently across internal API changes
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58 if util.safehasattr(cl, 'clearcaches'):
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59 cl.clearcaches()
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60 elif util.safehasattr(cl, '_nodecache'):
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61 from mercurial.node import nullid, nullrev
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62 cl._nodecache = {nullid: nullrev}
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63 cl._nodepos = None
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64
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65 @command('perfheads')
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66 def perfheads(ui, repo):
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67 cl = repo.changelog
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68 def d():
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69 len(cl.headrevs())
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70 clearcaches(cl)
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71 timer(d)
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72
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73 @command('perftags')
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74 def perftags(ui, repo):
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75 import mercurial.changelog, mercurial.manifest
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76 def t():
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77 repo.changelog = mercurial.changelog.changelog(repo.sopener)
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78 repo.manifest = mercurial.manifest.manifest(repo.sopener)
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79 repo._tags = None
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80 return len(repo.tags())
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81 timer(t)
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82
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83 @command('perfancestors')
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84 def perfancestors(ui, repo):
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85 heads = repo.changelog.headrevs()
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86 def d():
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87 for a in repo.changelog.ancestors(heads):
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88 pass
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89 timer(d)
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90
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91 @command('perfancestorset')
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92 def perfancestorset(ui, repo, revset):
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93 revs = repo.revs(revset)
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94 heads = repo.changelog.headrevs()
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95 def d():
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96 s = repo.changelog.ancestors(heads)
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97 for rev in revs:
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98 rev in s
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99 timer(d)
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100
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101 @command('perfdirstate')
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102 def perfdirstate(ui, repo):
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103 "a" in repo.dirstate
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104 def d():
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105 repo.dirstate.invalidate()
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106 "a" in repo.dirstate
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107 timer(d)
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108
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109 @command('perfdirstatedirs')
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110 def perfdirstatedirs(ui, repo):
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111 "a" in repo.dirstate
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112 def d():
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113 "a" in repo.dirstate._dirs
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114 del repo.dirstate._dirs
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115 timer(d)
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116
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117 @command('perfdirstatewrite')
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118 def perfdirstatewrite(ui, repo):
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119 ds = repo.dirstate
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120 "a" in ds
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121 def d():
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122 ds._dirty = True
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123 ds.write()
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124 timer(d)
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125
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126 @command('perfmanifest')
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127 def perfmanifest(ui, repo):
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128 def d():
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129 t = repo.manifest.tip()
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130 m = repo.manifest.read(t)
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131 repo.manifest.mapcache = None
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132 repo.manifest._cache = None
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133 timer(d)
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134
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135 @command('perfchangeset')
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136 def perfchangeset(ui, repo, rev):
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137 n = repo[rev].node()
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138 def d():
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139 c = repo.changelog.read(n)
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140 #repo.changelog._cache = None
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141 timer(d)
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142
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143 @command('perfindex')
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144 def perfindex(ui, repo):
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145 import mercurial.revlog
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146 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg
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147 n = repo["tip"].node()
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148 def d():
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149 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i")
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150 cl.rev(n)
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151 timer(d)
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152
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153 @command('perfstartup')
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154 def perfstartup(ui, repo):
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155 cmd = sys.argv[0]
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156 def d():
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157 os.system("HGRCPATH= %s version -q > /dev/null" % cmd)
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158 timer(d)
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159
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160 @command('perfparents')
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161 def perfparents(ui, repo):
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162 nl = [repo.changelog.node(i) for i in xrange(1000)]
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163 def d():
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164 for n in nl:
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165 repo.changelog.parents(n)
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166 timer(d)
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167
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168 @command('perflookup')
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169 def perflookup(ui, repo, rev):
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170 timer(lambda: len(repo.lookup(rev)))
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171
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172 @command('perfrevrange')
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173 def perfrevrange(ui, repo, *specs):
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parents: 16802
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174 revrange = scmutil.revrange
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175 timer(lambda: len(revrange(repo, specs)))
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176
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177 @command('perfnodelookup')
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178 def perfnodelookup(ui, repo, rev):
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diff changeset
179 import mercurial.revlog
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180 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg
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parents: 16266
diff changeset
181 n = repo[rev].node()
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parents: 16403
diff changeset
182 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i")
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Bryan O'Sullivan <bryano@fb.com>
parents: 16403
diff changeset
183 def d():
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Bryan O'Sullivan <bryano@fb.com>
parents: 16403
diff changeset
184 cl.rev(n)
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Bryan O'Sullivan <bryano@fb.com>
parents: 16689
diff changeset
185 clearcaches(cl)
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parents: 16403
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186 timer(d)
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187
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diff changeset
188 @command('perflog',
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parents: 18236
diff changeset
189 [('', 'rename', False, 'ask log to follow renames')])
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Alexander Solovyov <piranha@piranha.org.ua>
parents: 9826
diff changeset
190 def perflog(ui, repo, **opts):
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diff changeset
191 ui.pushbuffer()
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diff changeset
192 timer(lambda: commands.log(ui, repo, rev=[], date='', user='',
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diff changeset
193 copies=opts.get('rename')))
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diff changeset
194 ui.popbuffer()
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195
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diff changeset
196 @command('perftemplating')
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197 def perftemplating(ui, repo):
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198 ui.pushbuffer()
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diff changeset
199 timer(lambda: commands.log(ui, repo, rev=[], date='', user='',
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200 template='{date|shortdate} [{rev}:{node|short}]'
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diff changeset
201 ' {author|person}: {desc|firstline}\n'))
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diff changeset
202 ui.popbuffer()
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203
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diff changeset
204 @command('perfcca')
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diff changeset
205 def perfcca(ui, repo):
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Joshua Redstone <joshua.redstone@fb.com>
parents: 16866
diff changeset
206 timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate))
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207
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208 @command('perffncacheload')
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diff changeset
209 def perffncacheload(ui, repo):
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210 s = repo.store
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diff changeset
211 def d():
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diff changeset
212 s.fncache._load()
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diff changeset
213 timer(d)
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214
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215 @command('perffncachewrite')
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diff changeset
216 def perffncachewrite(ui, repo):
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217 s = repo.store
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diff changeset
218 s.fncache._load()
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diff changeset
219 def d():
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diff changeset
220 s.fncache._dirty = True
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diff changeset
221 s.fncache.write()
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diff changeset
222 timer(d)
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diff changeset
223
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diff changeset
224 @command('perffncacheencode')
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diff changeset
225 def perffncacheencode(ui, repo):
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diff changeset
226 s = repo.store
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diff changeset
227 s.fncache._load()
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diff changeset
228 def d():
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parents: 17216
diff changeset
229 for p in s.fncache.entries:
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parents: 17216
diff changeset
230 s.encode(p)
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diff changeset
231 timer(d)
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diff changeset
232
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diff changeset
233 @command('perfdiffwd')
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parents: 9146
diff changeset
234 def perfdiffwd(ui, repo):
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parents: 9146
diff changeset
235 """Profile diff of working directory changes"""
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diff changeset
236 options = {
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diff changeset
237 'w': 'ignore_all_space',
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diff changeset
238 'b': 'ignore_space_change',
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parents: 9146
diff changeset
239 'B': 'ignore_blank_lines',
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diff changeset
240 }
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parents: 9146
diff changeset
241
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Patrick Mezard <pmezard@gmail.com>
parents: 9146
diff changeset
242 for diffopt in ('', 'w', 'b', 'B', 'wB'):
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parents: 9146
diff changeset
243 opts = dict((options[c], '1') for c in diffopt)
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parents: 9146
diff changeset
244 def d():
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Patrick Mezard <pmezard@gmail.com>
parents: 9146
diff changeset
245 ui.pushbuffer()
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parents: 9146
diff changeset
246 commands.diff(ui, repo, **opts)
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Patrick Mezard <pmezard@gmail.com>
parents: 9146
diff changeset
247 ui.popbuffer()
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parents: 9146
diff changeset
248 title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none')
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Patrick Mezard <pmezard@gmail.com>
parents: 9146
diff changeset
249 timer(d, title)
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parents: 9146
diff changeset
250
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diff changeset
251 @command('perfrevlog',
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parents: 18236
diff changeset
252 [('d', 'dist', 100, 'distance between the revisions')],
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parents: 18236
diff changeset
253 "[INDEXFILE]")
11694
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Pradeepkumar Gayam <in3xes@gmail.com>
parents: 10493
diff changeset
254 def perfrevlog(ui, repo, file_, **opts):
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parents: 10493
diff changeset
255 from mercurial import revlog
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Pradeepkumar Gayam <in3xes@gmail.com>
parents: 10493
diff changeset
256 dist = opts['dist']
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Pradeepkumar Gayam <in3xes@gmail.com>
parents: 10493
diff changeset
257 def d():
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Pradeepkumar Gayam <in3xes@gmail.com>
parents: 10493
diff changeset
258 r = revlog.revlog(lambda fn: open(fn, 'rb'), file_)
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parents: 10493
diff changeset
259 for x in xrange(0, len(r), dist):
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parents: 10493
diff changeset
260 r.revision(r.node(x))
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parents: 10493
diff changeset
261
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Pradeepkumar Gayam <in3xes@gmail.com>
parents: 10493
diff changeset
262 timer(d)
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parents: 10493
diff changeset
263
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18237
diff changeset
264 @command('perfrevset',[],
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parents: 18237
diff changeset
265 "REVSET")
18062
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parents: 18033
diff changeset
266 def perfrevset(ui, repo, expr):
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parents: 18237
diff changeset
267 """benchmark the execution time of a revset"""
18062
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Siddharth Agarwal <sid0@fb.com>
parents: 18033
diff changeset
268 def d():
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Siddharth Agarwal <sid0@fb.com>
parents: 18033
diff changeset
269 repo.revs(expr)
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parents: 18033
diff changeset
270 timer(d)