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@@ -1,252 +1,252 | |||
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1 | 1 | # perf.py - performance test routines |
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2 | 2 | '''helper extension to measure performance''' |
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3 | 3 | |
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4 | 4 | from mercurial import cmdutil, scmutil, util, match, commands |
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5 | 5 | import time, os, sys |
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6 | 6 | |
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7 | 7 | def timer(func, title=None): |
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8 | 8 | results = [] |
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9 | 9 | begin = time.time() |
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10 | 10 | count = 0 |
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11 | 11 | while True: |
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12 | 12 | ostart = os.times() |
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13 | 13 | cstart = time.time() |
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14 | 14 | r = func() |
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15 | 15 | cstop = time.time() |
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16 | 16 | ostop = os.times() |
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17 | 17 | count += 1 |
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18 | 18 | a, b = ostart, ostop |
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19 | 19 | results.append((cstop - cstart, b[0] - a[0], b[1]-a[1])) |
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20 | 20 | if cstop - begin > 3 and count >= 100: |
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21 | 21 | break |
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22 | 22 | if cstop - begin > 10 and count >= 3: |
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23 | 23 | break |
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24 | 24 | if title: |
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25 | 25 | sys.stderr.write("! %s\n" % title) |
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26 | 26 | if r: |
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27 | 27 | sys.stderr.write("! result: %s\n" % r) |
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28 | 28 | m = min(results) |
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29 | 29 | sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n" |
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30 | 30 | % (m[0], m[1] + m[2], m[1], m[2], count)) |
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31 | 31 | |
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32 | 32 | def perfwalk(ui, repo, *pats): |
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33 | 33 | try: |
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34 | 34 | m = scmutil.match(repo[None], pats, {}) |
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35 | 35 | timer(lambda: len(list(repo.dirstate.walk(m, [], True, False)))) |
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36 | 36 | except Exception: |
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37 | 37 | try: |
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38 | 38 | m = scmutil.match(repo[None], pats, {}) |
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39 | 39 | timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)])) |
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40 | 40 | except Exception: |
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41 | 41 | timer(lambda: len(list(cmdutil.walk(repo, pats, {})))) |
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42 | 42 | |
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43 | 43 | def perfstatus(ui, repo, *pats): |
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44 | 44 | #m = match.always(repo.root, repo.getcwd()) |
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45 | 45 | #timer(lambda: sum(map(len, repo.dirstate.status(m, [], False, False, |
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46 | 46 | # False)))) |
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47 | 47 | timer(lambda: sum(map(len, repo.status()))) |
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48 | 48 | |
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49 | 49 | def clearcaches(cl): |
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50 | 50 | # behave somewhat consistently across internal API changes |
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51 | 51 | if util.safehasattr(cl, 'clearcaches'): |
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52 | 52 | cl.clearcaches() |
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53 | 53 | elif util.safehasattr(cl, '_nodecache'): |
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54 | 54 | from mercurial.node import nullid, nullrev |
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55 | 55 | cl._nodecache = {nullid: nullrev} |
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56 | 56 | cl._nodepos = None |
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57 | 57 | |
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58 | 58 | def perfheads(ui, repo): |
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59 | 59 | cl = repo.changelog |
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60 | 60 | def d(): |
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61 | 61 | len(cl.headrevs()) |
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62 | 62 | clearcaches(cl) |
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63 | 63 | timer(d) |
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64 | 64 | |
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65 | 65 | def perftags(ui, repo): |
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66 | 66 | import mercurial.changelog, mercurial.manifest |
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67 | 67 | def t(): |
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68 | 68 | repo.changelog = mercurial.changelog.changelog(repo.sopener) |
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69 | 69 | repo.manifest = mercurial.manifest.manifest(repo.sopener) |
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70 | 70 | repo._tags = None |
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71 | 71 | return len(repo.tags()) |
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72 | 72 | timer(t) |
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73 | 73 | |
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74 | 74 | def perfancestors(ui, repo): |
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75 | 75 | heads = repo.changelog.headrevs() |
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76 | 76 | def d(): |
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77 | 77 | for a in repo.changelog.ancestors(heads): |
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78 | 78 | pass |
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79 | 79 | timer(d) |
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80 | 80 | |
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81 | 81 | def perfdirstate(ui, repo): |
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82 | 82 | "a" in repo.dirstate |
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83 | 83 | def d(): |
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84 | 84 | repo.dirstate.invalidate() |
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85 | 85 | "a" in repo.dirstate |
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86 | 86 | timer(d) |
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87 | 87 | |
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88 | 88 | def perfdirstatedirs(ui, repo): |
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89 | 89 | "a" in repo.dirstate |
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90 | 90 | def d(): |
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91 | 91 | "a" in repo.dirstate._dirs |
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92 | 92 | del repo.dirstate._dirs |
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93 | 93 | timer(d) |
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94 | 94 | |
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95 | 95 | def perfdirstatewrite(ui, repo): |
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96 | 96 | ds = repo.dirstate |
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97 | 97 | "a" in ds |
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98 | 98 | def d(): |
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99 | 99 | ds._dirty = True |
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100 | 100 | ds.write() |
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101 | 101 | timer(d) |
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102 | 102 | |
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103 | 103 | def perfmanifest(ui, repo): |
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104 | 104 | def d(): |
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105 | 105 | t = repo.manifest.tip() |
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106 | 106 | m = repo.manifest.read(t) |
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107 | 107 | repo.manifest.mapcache = None |
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108 | 108 | repo.manifest._cache = None |
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109 | 109 | timer(d) |
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110 | 110 | |
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111 | 111 | def perfchangeset(ui, repo, rev): |
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112 | 112 | n = repo[rev].node() |
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113 | 113 | def d(): |
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114 | 114 | c = repo.changelog.read(n) |
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115 | 115 | #repo.changelog._cache = None |
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116 | 116 | timer(d) |
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117 | 117 | |
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118 | 118 | def perfindex(ui, repo): |
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119 | 119 | import mercurial.revlog |
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120 | 120 | mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg |
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121 | 121 | n = repo["tip"].node() |
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122 | 122 | def d(): |
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123 | 123 | cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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124 | 124 | cl.rev(n) |
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125 | 125 | timer(d) |
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126 | 126 | |
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127 | 127 | def perfstartup(ui, repo): |
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128 | 128 | cmd = sys.argv[0] |
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129 | 129 | def d(): |
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130 | 130 | os.system("HGRCPATH= %s version -q > /dev/null" % cmd) |
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131 | 131 | timer(d) |
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132 | 132 | |
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133 | 133 | def perfparents(ui, repo): |
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134 | 134 | nl = [repo.changelog.node(i) for i in xrange(1000)] |
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135 | 135 | def d(): |
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136 | 136 | for n in nl: |
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137 | 137 | repo.changelog.parents(n) |
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138 | 138 | timer(d) |
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139 | 139 | |
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140 | 140 | def perflookup(ui, repo, rev): |
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141 | 141 | timer(lambda: len(repo.lookup(rev))) |
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142 | 142 | |
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143 | 143 | def perfrevrange(ui, repo, *specs): |
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144 | 144 | revrange = scmutil.revrange |
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145 | 145 | timer(lambda: len(revrange(repo, specs))) |
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146 | 146 | |
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147 | 147 | def perfnodelookup(ui, repo, rev): |
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148 | 148 | import mercurial.revlog |
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149 | 149 | mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg |
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150 | 150 | n = repo[rev].node() |
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151 | 151 | def d(): |
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152 | 152 | cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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153 | 153 | cl.rev(n) |
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154 | 154 | timer(d) |
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155 | 155 | |
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156 | 156 | def perfnodelookup(ui, repo, rev): |
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157 | 157 | import mercurial.revlog |
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158 | 158 | mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg |
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159 | 159 | n = repo[rev].node() |
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160 | 160 | cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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161 | 161 | def d(): |
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162 | 162 | cl.rev(n) |
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163 | 163 | clearcaches(cl) |
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164 | 164 | timer(d) |
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165 | 165 | |
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166 | 166 | def perflog(ui, repo, **opts): |
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167 | 167 | ui.pushbuffer() |
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168 | 168 | timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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169 | 169 | copies=opts.get('rename'))) |
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170 | 170 | ui.popbuffer() |
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171 | 171 | |
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172 | 172 | def perftemplating(ui, repo): |
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173 | 173 | ui.pushbuffer() |
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174 | 174 | timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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175 | 175 | template='{date|shortdate} [{rev}:{node|short}]' |
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176 | 176 | ' {author|person}: {desc|firstline}\n')) |
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177 | 177 | ui.popbuffer() |
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178 | 178 | |
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179 | 179 | def perfcca(ui, repo): |
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180 |
timer(lambda: scmutil.casecollisionauditor(ui, False, repo |
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180 | timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate)) | |
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181 | 181 | |
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182 | 182 | def perffncacheload(ui, repo): |
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183 | 183 | from mercurial import scmutil, store |
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184 | 184 | s = store.store(set(['store','fncache']), repo.path, scmutil.opener) |
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185 | 185 | def d(): |
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186 | 186 | s.fncache._load() |
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187 | 187 | timer(d) |
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188 | 188 | |
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189 | 189 | def perffncachewrite(ui, repo): |
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190 | 190 | from mercurial import scmutil, store |
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191 | 191 | s = store.store(set(['store','fncache']), repo.path, scmutil.opener) |
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192 | 192 | s.fncache._load() |
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193 | 193 | def d(): |
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194 | 194 | s.fncache._dirty = True |
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195 | 195 | s.fncache.write() |
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196 | 196 | timer(d) |
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197 | 197 | |
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198 | 198 | def perfdiffwd(ui, repo): |
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199 | 199 | """Profile diff of working directory changes""" |
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200 | 200 | options = { |
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201 | 201 | 'w': 'ignore_all_space', |
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202 | 202 | 'b': 'ignore_space_change', |
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203 | 203 | 'B': 'ignore_blank_lines', |
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204 | 204 | } |
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205 | 205 | |
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206 | 206 | for diffopt in ('', 'w', 'b', 'B', 'wB'): |
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207 | 207 | opts = dict((options[c], '1') for c in diffopt) |
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208 | 208 | def d(): |
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209 | 209 | ui.pushbuffer() |
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210 | 210 | commands.diff(ui, repo, **opts) |
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211 | 211 | ui.popbuffer() |
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212 | 212 | title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none') |
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213 | 213 | timer(d, title) |
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214 | 214 | |
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215 | 215 | def perfrevlog(ui, repo, file_, **opts): |
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216 | 216 | from mercurial import revlog |
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217 | 217 | dist = opts['dist'] |
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218 | 218 | def d(): |
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219 | 219 | r = revlog.revlog(lambda fn: open(fn, 'rb'), file_) |
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220 | 220 | for x in xrange(0, len(r), dist): |
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221 | 221 | r.revision(r.node(x)) |
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222 | 222 | |
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223 | 223 | timer(d) |
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224 | 224 | |
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225 | 225 | cmdtable = { |
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226 | 226 | 'perfcca': (perfcca, []), |
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227 | 227 | 'perffncacheload': (perffncacheload, []), |
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228 | 228 | 'perffncachewrite': (perffncachewrite, []), |
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229 | 229 | 'perflookup': (perflookup, []), |
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230 | 230 | 'perfrevrange': (perfrevrange, []), |
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231 | 231 | 'perfnodelookup': (perfnodelookup, []), |
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232 | 232 | 'perfparents': (perfparents, []), |
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233 | 233 | 'perfstartup': (perfstartup, []), |
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234 | 234 | 'perfstatus': (perfstatus, []), |
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235 | 235 | 'perfwalk': (perfwalk, []), |
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236 | 236 | 'perfmanifest': (perfmanifest, []), |
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237 | 237 | 'perfchangeset': (perfchangeset, []), |
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238 | 238 | 'perfindex': (perfindex, []), |
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239 | 239 | 'perfheads': (perfheads, []), |
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240 | 240 | 'perftags': (perftags, []), |
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241 | 241 | 'perfancestors': (perfancestors, []), |
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242 | 242 | 'perfdirstate': (perfdirstate, []), |
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243 | 243 | 'perfdirstatedirs': (perfdirstate, []), |
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244 | 244 | 'perfdirstatewrite': (perfdirstatewrite, []), |
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245 | 245 | 'perflog': (perflog, |
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246 | 246 | [('', 'rename', False, 'ask log to follow renames')]), |
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247 | 247 | 'perftemplating': (perftemplating, []), |
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248 | 248 | 'perfdiffwd': (perfdiffwd, []), |
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249 | 249 | 'perfrevlog': (perfrevlog, |
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250 | 250 | [('d', 'dist', 100, 'distance between the revisions')], |
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251 | 251 | "[INDEXFILE]"), |
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252 | 252 | } |
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