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annotate contrib/revsetbenchmarks.py @ 20855:dfad9bb23ab4

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revsetbenchmark: add a summary at the end of execution The summary list timing per revset making it much more easier to compare revision to each other.
author Pierre-Yves David <pierre-yves.david@fb.com>
date Wed, 26 Mar 2014 18:51:49 -0700
parents bad5399c5d5f
children b5de9dde181c
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 from subprocess import check_call, check_output, CalledProcessError, STDOUT
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18
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19
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20 def update(rev):
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21 """update the repo to a revision"""
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22 try:
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23 check_call(['hg', 'update', '--quiet', '--check', str(rev)])
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24 except CalledProcessError, exc:
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25 print >> sys.stderr, 'update to revision %s failed, aborting' % rev
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26 sys.exit(exc.returncode)
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27
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28 def perf(revset):
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29 """run benchmark for this very revset"""
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30 try:
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31 output = check_output(['./hg',
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32 '--config',
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33 'extensions.perf=contrib/perf.py',
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34 'perfrevset',
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35 revset],
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36 stderr=STDOUT)
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37 output = output.lstrip('!') # remove useless ! in this context
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38 return output.strip()
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39 except CalledProcessError, exc:
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40 print >> sys.stderr, 'abort: cannot run revset benchmark'
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41 sys.exit(exc.returncode)
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42
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43 def printrevision(rev):
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44 """print data about a revision"""
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45 sys.stdout.write("Revision: ")
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46 sys.stdout.flush()
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47 check_call(['hg', 'log', '--rev', str(rev), '--template',
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48 '{desc|firstline}\n'])
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49
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50 def getrevs(spec):
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51 """get the list of rev matched by a revset"""
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52 try:
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53 out = check_output(['hg', 'log', '--template={rev}\n', '--rev', spec])
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54 except CalledProcessError, exc:
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55 print >> sys.stderr, "abort, can't get revision from %s" % spec
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56 sys.exit(exc.returncode)
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57 return [r for r in out.split() if r]
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58
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59
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61 target_rev = sys.argv[1]
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62
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63 revsetsfile = sys.stdin
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64 if len(sys.argv) > 2:
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65 revsetsfile = open(sys.argv[2])
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66
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67 revsets = [l.strip() for l in revsetsfile]
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68
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69 print "Revsets to benchmark"
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70 print "----------------------------"
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71
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72 for idx, rset in enumerate(revsets):
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73 print "%i) %s" % (idx, rset)
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74
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75 print "----------------------------"
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76 print
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78
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79 revs = getrevs(target_rev)
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80
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81 results = []
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82 for r in revs:
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83 print "----------------------------"
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84 printrevision(r)
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85 print "----------------------------"
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86 update(r)
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87 res = []
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88 results.append(res)
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89 for idx, rset in enumerate(revsets):
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90 data = perf(rset)
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91 res.append(data)
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92 print "%i)" % idx, data
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93 sys.stdout.flush()
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94 print "----------------------------"
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95
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96
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97 print """
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98
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99 Result by revset
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100 ================
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101 """
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102
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103 print 'Revision:', revs
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104 for idx, rev in enumerate(revs):
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105 sys.stdout.write('%i) ' % idx)
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106 sys.stdout.flush()
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107 printrevision(rev)
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108
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109 print
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110 print
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111
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112 for ridx, rset in enumerate(revsets):
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113
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114 print "revset #%i: %s" % (ridx, rset)
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115 for idx, data in enumerate(results):
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116 print '%i) %s' % (idx, data[ridx])
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117 print