annotate contrib/revsetbenchmarks.py @ 21828:1c2f5cc71d68 stable

i18n-pt_BR: synchronized with a4b67bf1f0a5
author Wagner Bruna <wbruna@softwareexpress.com.br>
date Mon, 30 Jun 2014 18:52:57 -0300
parents c04e5e937139
children f0f810096842
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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, Popen, CalledProcessError, STDOUT, PIPE
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18
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19 def check_output(*args, **kwargs):
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20 kwargs.setdefault('stderr', PIPE)
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21 kwargs.setdefault('stdout', PIPE)
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22 proc = Popen(*args, **kwargs)
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23 output, error = proc.communicate()
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24 if proc.returncode != 0:
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25 raise CalledProcessError(proc.returncode, ' '.join(args[0]))
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26 return output
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27
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28 def update(rev):
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29 """update the repo to a revision"""
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30 try:
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31 check_call(['hg', 'update', '--quiet', '--check', str(rev)])
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32 except CalledProcessError, exc:
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33 print >> sys.stderr, 'update to revision %s failed, aborting' % rev
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34 sys.exit(exc.returncode)
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35
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36 def perf(revset):
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37 """run benchmark for this very revset"""
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38 try:
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39 output = check_output(['./hg',
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40 '--config',
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41 'extensions.perf=contrib/perf.py',
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42 'perfrevset',
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43 revset],
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44 stderr=STDOUT)
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45 output = output.lstrip('!') # remove useless ! in this context
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46 return output.strip()
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47 except CalledProcessError, exc:
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48 print >> sys.stderr, 'abort: cannot run revset benchmark'
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49 sys.exit(exc.returncode)
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50
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51 def printrevision(rev):
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52 """print data about a revision"""
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53 sys.stdout.write("Revision: ")
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54 sys.stdout.flush()
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55 check_call(['hg', 'log', '--rev', str(rev), '--template',
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56 '{desc|firstline}\n'])
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57
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58 def getrevs(spec):
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59 """get the list of rev matched by a revset"""
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60 try:
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61 out = check_output(['hg', 'log', '--template={rev}\n', '--rev', spec])
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62 except CalledProcessError, exc:
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63 print >> sys.stderr, "abort, can't get revision from %s" % spec
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64 sys.exit(exc.returncode)
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65 return [r for r in out.split() if r]
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66
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67
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68
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69 target_rev = sys.argv[1]
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70
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71 revsetsfile = sys.stdin
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72 if len(sys.argv) > 2:
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73 revsetsfile = open(sys.argv[2])
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74
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75 revsets = [l.strip() for l in revsetsfile]
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76
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77 print "Revsets to benchmark"
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78 print "----------------------------"
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79
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80 for idx, rset in enumerate(revsets):
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81 print "%i) %s" % (idx, rset)
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82
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83 print "----------------------------"
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84 print
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86
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87 revs = getrevs(target_rev)
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88
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89 results = []
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90 for r in revs:
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91 print "----------------------------"
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92 printrevision(r)
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93 print "----------------------------"
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94 update(r)
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95 res = []
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96 results.append(res)
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97 for idx, rset in enumerate(revsets):
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98 data = perf(rset)
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99 res.append(data)
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100 print "%i)" % idx, data
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101 sys.stdout.flush()
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102 print "----------------------------"
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103
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104
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105 print """
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106
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107 Result by revset
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108 ================
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109 """
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110
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111 print 'Revision:', revs
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112 for idx, rev in enumerate(revs):
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113 sys.stdout.write('%i) ' % idx)
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114 sys.stdout.flush()
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115 printrevision(rev)
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116
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117 print
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118 print
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119
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120 for ridx, rset in enumerate(revsets):
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121
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122 print "revset #%i: %s" % (ridx, rset)
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123 for idx, data in enumerate(results):
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124 print '%i) %s' % (idx, data[ridx])
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125 print