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annotate contrib/revsetbenchmarks.py @ 25528:a6bcd70cd9c2

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revsetbenchmarks: extract call to mercurial into a function This is a gratuitous change to make the code easier to look at.
author Pierre-Yves David <pierre-yves.david@fb.com>
date Tue, 09 Jun 2015 15:49:14 -0700
parents e53f6b72a0e4
children 3e80691d0dfe
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python
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2
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3 # Measure the performance of a list of revsets against multiple revisions
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4 # defined by parameter. Checkout one by one and run perfrevset with every
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5 # revset in the list to benchmark its performance.
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6 #
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7 # - First argument is a revset of mercurial own repo to runs against.
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8 # - Second argument is the file from which the revset array will be taken
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9 # If second argument is omitted read it from standard input
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10 #
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11 # You should run this from the root of your mercurial repository.
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12 #
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13 # This script also does one run of the current version of mercurial installed
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14 # to compare performance.
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15
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16 import sys
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17 import os
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18 from subprocess import check_call, Popen, CalledProcessError, STDOUT, PIPE
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19 # cannot use argparse, python 2.7 only
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20 from optparse import OptionParser
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21
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22 def check_output(*args, **kwargs):
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23 kwargs.setdefault('stderr', PIPE)
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24 kwargs.setdefault('stdout', PIPE)
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25 proc = Popen(*args, **kwargs)
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26 output, error = proc.communicate()
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27 if proc.returncode != 0:
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28 raise CalledProcessError(proc.returncode, ' '.join(args[0]))
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29 return output
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30
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31 def update(rev):
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32 """update the repo to a revision"""
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33 try:
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34 check_call(['hg', 'update', '--quiet', '--check', str(rev)])
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35 except CalledProcessError, exc:
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36 print >> sys.stderr, 'update to revision %s failed, aborting' % rev
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37 sys.exit(exc.returncode)
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38
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39
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40 def hg(cmd, repo=None):
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41 """run a mercurial command
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42
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43 <cmd> is the list of command + argument,
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44 <repo> is an optional repository path to run this command in."""
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45 fullcmd = ['./hg']
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46 if repo is not None:
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47 fullcmd += ['-R', repo]
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48 fullcmd += ['--config',
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49 'extensions.perf=' + os.path.join(contribdir, 'perf.py')]
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50 fullcmd += cmd
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51 return check_output(fullcmd, stderr=STDOUT)
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52
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53 def perf(revset, target=None):
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54 """run benchmark for this very revset"""
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55 try:
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56 output = hg(['perfrevset', revset], repo=target)
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57 output = output.lstrip('!') # remove useless ! in this context
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58 return output.strip()
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59 except CalledProcessError, exc:
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60 print >> sys.stderr, 'abort: cannot run revset benchmark'
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61 sys.exit(exc.returncode)
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62
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63 def printrevision(rev):
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64 """print data about a revision"""
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65 sys.stdout.write("Revision: ")
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66 sys.stdout.flush()
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67 check_call(['hg', 'log', '--rev', str(rev), '--template',
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68 '{desc|firstline}\n'])
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69
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70 def getrevs(spec):
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71 """get the list of rev matched by a revset"""
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72 try:
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73 out = check_output(['hg', 'log', '--template={rev}\n', '--rev', spec])
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74 except CalledProcessError, exc:
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75 print >> sys.stderr, "abort, can't get revision from %s" % spec
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76 sys.exit(exc.returncode)
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77 return [r for r in out.split() if r]
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78
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79
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80 parser = OptionParser(usage="usage: %prog [options] <revs>")
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81 parser.add_option("-f", "--file",
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82 help="read revset from FILE (stdin if omitted)",
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83 metavar="FILE")
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84 parser.add_option("-R", "--repo",
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85 help="run benchmark on REPO", metavar="REPO")
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86
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87 (options, args) = parser.parse_args()
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88
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89 if len(sys.argv) < 2:
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90 parser.print_help()
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91 sys.exit(255)
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92
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93 # the directory where both this script and the perf.py extension live.
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94 contribdir = os.path.dirname(__file__)
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95
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96 target_rev = args[0]
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97
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98 revsetsfile = sys.stdin
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99 if options.file:
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100 revsetsfile = open(options.file)
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101
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102 revsets = [l.strip() for l in revsetsfile if not l.startswith('#')]
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103
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104 print "Revsets to benchmark"
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105 print "----------------------------"
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106
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107 for idx, rset in enumerate(revsets):
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108 print "%i) %s" % (idx, rset)
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109
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110 print "----------------------------"
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111 print
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112
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113
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114 revs = getrevs(target_rev)
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115
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116 results = []
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117 for r in revs:
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118 print "----------------------------"
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119 printrevision(r)
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120 print "----------------------------"
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121 update(r)
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parents: 20854
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122 res = []
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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123 results.append(res)
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11a9393609c8 revsetbenchmark: simplify and convert the script to python
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20847
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124 for idx, rset in enumerate(revsets):
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ea3d75ebea6d revsetbenchmark: support for running on other repo
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21548
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125 data = perf(rset, target=options.repo)
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parents: 20854
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126 res.append(data)
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
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parents: 20854
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127 print "%i)" % idx, data
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
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parents: 20854
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128 sys.stdout.flush()
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11a9393609c8 revsetbenchmark: simplify and convert the script to python
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parents: 20847
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129 print "----------------------------"
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5fb7c36d751f contrib: added revset performance benchmarking script
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
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130
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parents: 20854
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131
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parents: 20854
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132 print """
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
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parents: 20854
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133
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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134 Result by revset
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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135 ================
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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136 """
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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137
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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138 print 'Revision:', revs
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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139 for idx, rev in enumerate(revs):
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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140 sys.stdout.write('%i) ' % idx)
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Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
diff changeset
141 sys.stdout.flush()
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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142 printrevision(rev)
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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143
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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144 print
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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145 print
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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146
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Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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147 for ridx, rset in enumerate(revsets):
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parents: 20854
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148
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Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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149 print "revset #%i: %s" % (ridx, rset)
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Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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150 for idx, data in enumerate(results):
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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151 print '%i) %s' % (idx, data[ridx])
dfad9bb23ab4 revsetbenchmark: add a summary at the end of execution
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20854
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152 print