annotate contrib/hgperf @ 50702:b11421f3daf9

clone-bundle: drop the now unused `inlineclonebundles` capabilities We no longer us the capabilities as a side way to passe argument to the `clonebundle commands`
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 19 Jun 2023 15:48:03 +0200
parents d4ba4d51f85f
children
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1 #!/usr/bin/env python3
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2 #
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3 # hgperf - measure performance of Mercurial commands
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4 #
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5 # Copyright 2014 Olivia Mackall <olivia@selenic.com>
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6 #
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7 # This software may be used and distributed according to the terms of the
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8 # GNU General Public License version 2 or any later version.
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9
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10 '''measure performance of Mercurial commands
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11
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12 Using ``hgperf`` instead of ``hg`` measures performance of the target
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13 Mercurial command. For example, the execution below measures
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14 performance of :hg:`heads --topo`::
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15
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16 $ hgperf heads --topo
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17
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18 All command output via ``ui`` is suppressed, and just measurement
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19 result is displayed: see also "perf" extension in "contrib".
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20
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21 Costs of processing before dispatching to the command function like
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22 below are not measured::
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23
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24 - parsing command line (e.g. option validity check)
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25 - reading configuration files in
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26
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27 But ``pre-`` and ``post-`` hook invocation for the target command is
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28 measured, even though these are invoked before or after dispatching to
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29 the command function, because these may be required to repeat
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30 execution of the target command correctly.
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31 '''
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32
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33 import os
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34 import sys
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35
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36 libdir = '@LIBDIR@'
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37
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38 if libdir != '@' 'LIBDIR' '@':
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39 if not os.path.isabs(libdir):
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40 libdir = os.path.join(
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41 os.path.dirname(os.path.realpath(__file__)), libdir
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42 )
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43 libdir = os.path.abspath(libdir)
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44 sys.path.insert(0, libdir)
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45
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46 # enable importing on demand to reduce startup time
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47 try:
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48 from mercurial import demandimport
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49
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50 demandimport.enable()
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51 except ImportError:
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52 import sys
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53
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54 sys.stderr.write(
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55 "abort: couldn't find mercurial libraries in [%s]\n"
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56 % ' '.join(sys.path)
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57 )
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58 sys.stderr.write("(check your install and PYTHONPATH)\n")
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59 sys.exit(-1)
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60
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61 from mercurial import (
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62 dispatch,
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63 util,
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64 )
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65
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66
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67 def timer(func, title=None):
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68 results = []
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69 begin = util.timer()
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70 count = 0
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71 while True:
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72 ostart = os.times()
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73 cstart = util.timer()
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74 r = func()
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75 cstop = util.timer()
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76 ostop = os.times()
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77 count += 1
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78 a, b = ostart, ostop
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79 results.append((cstop - cstart, b[0] - a[0], b[1] - a[1]))
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80 if cstop - begin > 3 and count >= 100:
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81 break
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82 if cstop - begin > 10 and count >= 3:
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83 break
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84 if title:
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85 sys.stderr.write("! %s\n" % title)
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86 if r:
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87 sys.stderr.write("! result: %s\n" % r)
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88 m = min(results)
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89 sys.stderr.write(
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90 "! wall %f comb %f user %f sys %f (best of %d)\n"
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91 % (m[0], m[1] + m[2], m[1], m[2], count)
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92 )
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93
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94
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95 orgruncommand = dispatch.runcommand
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96
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97
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98 def runcommand(lui, repo, cmd, fullargs, ui, options, d, cmdpats, cmdoptions):
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99 ui.pushbuffer()
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100 lui.pushbuffer()
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101 timer(
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102 lambda: orgruncommand(
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103 lui, repo, cmd, fullargs, ui, options, d, cmdpats, cmdoptions
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104 )
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105 )
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106 ui.popbuffer()
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107 lui.popbuffer()
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108
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109
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110 dispatch.runcommand = runcommand
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111
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112 dispatch.run()