Mercurial > hg
annotate contrib/perf.py @ 9622:9d1a480ca6ea
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author | Martin Geisler <mg@lazybytes.net> |
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date | Tue, 20 Oct 2009 22:42:49 +0200 |
parents | 5614a628d173 |
children | d768614578dd |
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, match, commands |
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5 import time, os, sys |
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6 |
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7 def timer(func): |
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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 1: |
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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 r: |
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25 sys.stderr.write("! result: %s\n" % r) |
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26 m = min(results) |
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27 sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n" |
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28 % (m[0], m[1] + m[2], m[1], m[2], count)) |
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29 |
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30 def perfwalk(ui, repo, *pats): |
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31 try: |
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32 m = cmdutil.match(repo, pats, {}) |
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33 timer(lambda: len(list(repo.dirstate.walk(m, True, False)))) |
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34 except: |
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35 try: |
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36 m = cmdutil.match(repo, pats, {}) |
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37 timer(lambda: len([b for a,b,c in repo.dirstate.statwalk([], m)])) |
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38 except: |
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39 timer(lambda: len(list(cmdutil.walk(repo, pats, {})))) |
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40 |
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41 def perfstatus(ui, repo, *pats): |
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42 #m = match.always(repo.root, repo.getcwd()) |
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43 #timer(lambda: sum(map(len, repo.dirstate.status(m, False, False, False)))) |
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44 timer(lambda: sum(map(len, repo.status()))) |
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45 |
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46 def perfheads(ui, repo): |
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47 timer(lambda: len(repo.changelog.heads())) |
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48 |
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49 def perftags(ui, repo): |
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50 import mercurial.changelog, mercurial.manifest |
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51 def t(): |
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52 repo.changelog = mercurial.changelog.changelog(repo.sopener) |
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53 repo.manifest = mercurial.manifest.manifest(repo.sopener) |
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54 repo._tags = None |
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55 return len(repo.tags()) |
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56 timer(t) |
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57 |
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58 def perfdirstate(ui, repo): |
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59 "a" in repo.dirstate |
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60 def d(): |
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61 repo.dirstate.invalidate() |
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62 "a" in repo.dirstate |
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63 timer(d) |
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64 |
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65 def perfdirstatedirs(ui, repo): |
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66 "a" in repo.dirstate |
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67 def d(): |
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68 "a" in repo.dirstate._dirs |
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69 del repo.dirstate._dirs |
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70 timer(d) |
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71 |
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72 def perfmanifest(ui, repo): |
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73 def d(): |
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74 t = repo.manifest.tip() |
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75 m = repo.manifest.read(t) |
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76 repo.manifest.mapcache = None |
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77 repo.manifest._cache = None |
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78 timer(d) |
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79 |
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80 def perfindex(ui, repo): |
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81 import mercurial.changelog |
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82 def d(): |
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83 t = repo.changelog.tip() |
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84 repo.changelog = mercurial.changelog.changelog(repo.sopener) |
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85 repo.changelog._loadindexmap() |
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86 timer(d) |
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87 |
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88 def perfstartup(ui, repo): |
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89 cmd = sys.argv[0] |
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90 def d(): |
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91 os.system("HGRCPATH= %s version -q > /dev/null" % cmd) |
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92 timer(d) |
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93 |
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94 def perfparents(ui, repo): |
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95 nl = [repo.changelog.node(i) for i in xrange(1000)] |
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96 def d(): |
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97 for n in nl: |
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98 repo.changelog.parents(n) |
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99 timer(d) |
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100 |
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101 def perflookup(ui, repo, rev): |
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102 timer(lambda: len(repo.lookup(rev))) |
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103 |
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104 def perflog(ui, repo): |
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105 ui.pushbuffer() |
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106 timer(lambda: commands.log(ui, repo, rev=[], date='', user='')) |
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107 ui.popbuffer() |
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108 |
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109 def perftemplating(ui, repo): |
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110 ui.pushbuffer() |
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111 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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112 template='{date|shortdate} [{rev}:{node|short}]' |
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113 ' {author|person}: {desc|firstline}\n')) |
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114 ui.popbuffer() |
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115 |
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116 cmdtable = { |
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117 'perflookup': (perflookup, []), |
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118 'perfparents': (perfparents, []), |
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119 'perfstartup': (perfstartup, []), |
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120 'perfstatus': (perfstatus, []), |
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121 'perfwalk': (perfwalk, []), |
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122 'perfmanifest': (perfmanifest, []), |
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123 'perfindex': (perfindex, []), |
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124 'perfheads': (perfheads, []), |
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125 'perftags': (perftags, []), |
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126 'perfdirstate': (perfdirstate, []), |
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127 'perfdirstatedirs': (perfdirstate, []), |
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128 'perflog': (perflog, []), |
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129 'perftemplating': (perftemplating, []), |
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130 } |
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131 |