Mercurial > hg
annotate contrib/perf.py @ 17941:9a6e4d5d7ea8
diff: move diffline to patch module
diffline is not part of diff computation, so it makes more sense
to place it with other header generation in patch module.
In upcoming patches we will generalize this approach for
all headers added in the patch, including the git index
header.
author | Guillermo Pérez <bisho@fb.com> |
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date | Thu, 15 Nov 2012 12:19:03 -0800 |
parents | 769f66861eb8 |
children | 00ac420f24ee |
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, match, commands |
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5 import time, os, sys |
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6 |
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7 def timer(func, title=None): |
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8 results = [] |
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9 begin = time.time() |
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10 count = 0 |
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11 while True: |
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12 ostart = os.times() |
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13 cstart = time.time() |
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14 r = func() |
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15 cstop = time.time() |
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16 ostop = os.times() |
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17 count += 1 |
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18 a, b = ostart, ostop |
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19 results.append((cstop - cstart, b[0] - a[0], b[1]-a[1])) |
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20 if cstop - begin > 3 and count >= 100: |
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21 break |
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22 if cstop - begin > 10 and count >= 3: |
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23 break |
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24 if title: |
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25 sys.stderr.write("! %s\n" % title) |
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26 if r: |
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27 sys.stderr.write("! result: %s\n" % r) |
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28 m = min(results) |
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29 sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n" |
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30 % (m[0], m[1] + m[2], m[1], m[2], count)) |
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31 |
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32 def perfwalk(ui, repo, *pats): |
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33 try: |
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34 m = scmutil.match(repo[None], pats, {}) |
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35 timer(lambda: len(list(repo.dirstate.walk(m, [], True, False)))) |
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36 except Exception: |
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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([b for a, b, c in repo.dirstate.statwalk([], m)])) |
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40 except Exception: |
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41 timer(lambda: len(list(cmdutil.walk(repo, pats, {})))) |
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42 |
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43 def perfstatus(ui, repo, *pats): |
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44 #m = match.always(repo.root, repo.getcwd()) |
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46 # False)))) | |
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47 timer(lambda: sum(map(len, repo.status()))) |
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48 |
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49 def clearcaches(cl): |
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50 # behave somewhat consistently across internal API changes |
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51 if util.safehasattr(cl, 'clearcaches'): |
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52 cl.clearcaches() |
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53 elif util.safehasattr(cl, '_nodecache'): |
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54 from mercurial.node import nullid, nullrev |
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55 cl._nodecache = {nullid: nullrev} |
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56 cl._nodepos = None |
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57 |
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58 def perfheads(ui, repo): |
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59 cl = repo.changelog |
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60 def d(): |
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61 len(cl.headrevs()) |
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62 clearcaches(cl) |
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63 timer(d) |
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64 |
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65 def perftags(ui, repo): |
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66 import mercurial.changelog, mercurial.manifest |
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67 def t(): |
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68 repo.changelog = mercurial.changelog.changelog(repo.sopener) |
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69 repo.manifest = mercurial.manifest.manifest(repo.sopener) |
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70 repo._tags = None |
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71 return len(repo.tags()) |
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72 timer(t) |
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73 |
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74 def perfancestors(ui, repo): |
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75 heads = repo.changelog.headrevs() |
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76 def d(): |
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77 for a in repo.changelog.ancestors(heads): |
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78 pass |
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79 timer(d) |
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80 |
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81 def perfdirstate(ui, repo): |
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82 "a" in repo.dirstate |
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83 def d(): |
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84 repo.dirstate.invalidate() |
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85 "a" in repo.dirstate |
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86 timer(d) |
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87 |
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88 def perfdirstatedirs(ui, repo): |
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89 "a" in repo.dirstate |
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90 def d(): |
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91 "a" in repo.dirstate._dirs |
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92 del repo.dirstate._dirs |
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93 timer(d) |
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94 |
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95 def perfdirstatewrite(ui, repo): |
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96 ds = repo.dirstate |
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97 "a" in ds |
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98 def d(): |
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99 ds._dirty = True |
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100 ds.write() |
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101 timer(d) |
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102 |
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103 def perfmanifest(ui, repo): |
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104 def d(): |
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105 t = repo.manifest.tip() |
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106 m = repo.manifest.read(t) |
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107 repo.manifest.mapcache = None |
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108 repo.manifest._cache = None |
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109 timer(d) |
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110 |
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111 def perfchangeset(ui, repo, rev): |
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112 n = repo[rev].node() |
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113 def d(): |
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114 c = repo.changelog.read(n) |
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115 #repo.changelog._cache = None |
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116 timer(d) |
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117 |
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118 def perfindex(ui, repo): |
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119 import mercurial.revlog |
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120 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg |
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121 n = repo["tip"].node() |
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122 def d(): |
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123 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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124 cl.rev(n) |
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125 timer(d) |
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126 |
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127 def perfstartup(ui, repo): |
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128 cmd = sys.argv[0] |
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129 def d(): |
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130 os.system("HGRCPATH= %s version -q > /dev/null" % cmd) |
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131 timer(d) |
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132 |
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133 def perfparents(ui, repo): |
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134 nl = [repo.changelog.node(i) for i in xrange(1000)] |
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135 def d(): |
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136 for n in nl: |
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137 repo.changelog.parents(n) |
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138 timer(d) |
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139 |
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140 def perflookup(ui, repo, rev): |
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141 timer(lambda: len(repo.lookup(rev))) |
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142 |
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143 def perfrevrange(ui, repo, *specs): |
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144 revrange = scmutil.revrange |
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145 timer(lambda: len(revrange(repo, specs))) |
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146 |
16309 | 147 def perfnodelookup(ui, repo, rev): |
148 import mercurial.revlog | |
149 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg | |
150 n = repo[rev].node() | |
151 def d(): | |
152 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") | |
153 cl.rev(n) | |
154 timer(d) | |
155 | |
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156 def perfnodelookup(ui, repo, rev): |
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157 import mercurial.revlog |
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158 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg |
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159 n = repo[rev].node() |
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160 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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161 def d(): |
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162 cl.rev(n) |
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163 clearcaches(cl) |
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164 timer(d) |
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165 |
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166 def perflog(ui, repo, **opts): |
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167 ui.pushbuffer() |
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168 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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169 copies=opts.get('rename'))) |
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170 ui.popbuffer() |
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171 |
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172 def perftemplating(ui, repo): |
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173 ui.pushbuffer() |
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174 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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175 template='{date|shortdate} [{rev}:{node|short}]' |
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176 ' {author|person}: {desc|firstline}\n')) |
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177 ui.popbuffer() |
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178 |
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179 def perfcca(ui, repo): |
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180 timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate)) |
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181 |
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182 def perffncacheload(ui, repo): |
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183 s = repo.store |
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184 def d(): |
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185 s.fncache._load() |
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186 timer(d) |
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187 |
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188 def perffncachewrite(ui, repo): |
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189 s = repo.store |
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190 s.fncache._load() |
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191 def d(): |
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192 s.fncache._dirty = True |
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193 s.fncache.write() |
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194 timer(d) |
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195 |
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196 def perffncacheencode(ui, repo): |
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197 s = repo.store |
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198 s.fncache._load() |
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199 def d(): |
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200 for p in s.fncache.entries: |
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201 s.encode(p) |
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202 timer(d) |
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203 |
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204 def perfdiffwd(ui, repo): |
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205 """Profile diff of working directory changes""" |
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206 options = { |
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207 'w': 'ignore_all_space', |
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208 'b': 'ignore_space_change', |
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209 'B': 'ignore_blank_lines', |
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210 } |
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211 |
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212 for diffopt in ('', 'w', 'b', 'B', 'wB'): |
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213 opts = dict((options[c], '1') for c in diffopt) |
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214 def d(): |
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215 ui.pushbuffer() |
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216 commands.diff(ui, repo, **opts) |
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217 ui.popbuffer() |
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218 title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none') |
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219 timer(d, title) |
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220 |
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221 def perfrevlog(ui, repo, file_, **opts): |
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222 from mercurial import revlog |
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223 dist = opts['dist'] |
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224 def d(): |
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225 r = revlog.revlog(lambda fn: open(fn, 'rb'), file_) |
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226 for x in xrange(0, len(r), dist): |
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227 r.revision(r.node(x)) |
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228 |
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229 timer(d) |
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230 |
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231 cmdtable = { |
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232 'perfcca': (perfcca, []), |
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233 'perffncacheload': (perffncacheload, []), |
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234 'perffncachewrite': (perffncachewrite, []), |
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235 'perffncacheencode': (perffncacheencode, []), |
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236 'perflookup': (perflookup, []), |
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237 'perfrevrange': (perfrevrange, []), |
16309 | 238 'perfnodelookup': (perfnodelookup, []), |
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239 'perfparents': (perfparents, []), |
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240 'perfstartup': (perfstartup, []), |
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241 'perfstatus': (perfstatus, []), |
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242 'perfwalk': (perfwalk, []), |
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243 'perfmanifest': (perfmanifest, []), |
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244 'perfchangeset': (perfchangeset, []), |
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245 'perfindex': (perfindex, []), |
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246 'perfheads': (perfheads, []), |
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247 'perftags': (perftags, []), |
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248 'perfancestors': (perfancestors, []), |
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249 'perfdirstate': (perfdirstate, []), |
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250 'perfdirstatedirs': (perfdirstate, []), |
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251 'perfdirstatewrite': (perfdirstatewrite, []), |
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252 'perflog': (perflog, |
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perf.perflog: add option to follow renames
Alexander Solovyov <piranha@piranha.org.ua>
parents:
9826
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253 [('', 'rename', False, 'ask log to follow renames')]), |
7872
f680a1bd679b
contrib: add perflog and perftemplating commands to perf extension
Alexander Solovyov <piranha@piranha.org.ua>
parents:
7366
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254 'perftemplating': (perftemplating, []), |
9826
d768614578dd
contrib/perf: profile diff of working directory changes
Patrick Mezard <pmezard@gmail.com>
parents:
9146
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255 'perfdiffwd': (perfdiffwd, []), |
11713
57a8894e3f75
perf: break down long line
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
11694
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changeset
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256 'perfrevlog': (perfrevlog, |
57a8894e3f75
perf: break down long line
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
11694
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257 [('d', 'dist', 100, 'distance between the revisions')], |
57a8894e3f75
perf: break down long line
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
11694
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258 "[INDEXFILE]"), |
7366
eb240755386d
Add contrib/perf.py for performance testing
Matt Mackall <mpm@selenic.com>
parents:
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259 } |