Mercurial > hg
annotate contrib/hgperf @ 43617:697c2e32c490
packaging: ship all help .txt files on WiX
These are technically not needed. But it is easier to ship
all files than to cherry-pick. A `make install` will copy
these files, so the new behavior is consistent with that.
This also makes WiX consistent with Inno, which is my main
reason for doing this.
If we don't want to ship the files (which is a valid argument),
I think we can do that in a follow up.
Differential Revision: https://phab.mercurial-scm.org/D7166
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 11 Nov 2019 18:51:55 -0800 |
parents | 163fa0aea71e |
children | 99e231afc29c |
rev | line source |
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1 #!/usr/bin/env python |
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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 Matt Mackall <mpm@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(os.path.dirname(os.path.realpath(__file__)), |
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41 libdir) |
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42 libdir = os.path.abspath(libdir) |
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43 sys.path.insert(0, libdir) |
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44 |
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45 # enable importing on demand to reduce startup time |
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46 try: |
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47 from mercurial import demandimport; demandimport.enable() |
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48 except ImportError: |
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49 import sys |
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50 sys.stderr.write("abort: couldn't find mercurial libraries in [%s]\n" % |
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51 ' '.join(sys.path)) |
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52 sys.stderr.write("(check your install and PYTHONPATH)\n") |
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53 sys.exit(-1) |
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54 |
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55 from mercurial import ( |
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56 dispatch, |
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57 util, |
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58 ) |
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59 |
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60 def timer(func, title=None): |
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61 results = [] |
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62 begin = util.timer() |
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63 count = 0 |
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64 while True: |
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65 ostart = os.times() |
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66 cstart = util.timer() |
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67 r = func() |
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68 cstop = util.timer() |
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69 ostop = os.times() |
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70 count += 1 |
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71 a, b = ostart, ostop |
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72 results.append((cstop - cstart, b[0] - a[0], b[1]-a[1])) |
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73 if cstop - begin > 3 and count >= 100: |
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74 break |
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75 if cstop - begin > 10 and count >= 3: |
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76 break |
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77 if title: |
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78 sys.stderr.write("! %s\n" % title) |
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79 if r: |
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80 sys.stderr.write("! result: %s\n" % r) |
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81 m = min(results) |
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82 sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n" |
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83 % (m[0], m[1] + m[2], m[1], m[2], count)) |
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84 |
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85 orgruncommand = dispatch.runcommand |
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86 |
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87 def runcommand(lui, repo, cmd, fullargs, ui, options, d, cmdpats, cmdoptions): |
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88 ui.pushbuffer() |
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89 lui.pushbuffer() |
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90 timer(lambda : orgruncommand(lui, repo, cmd, fullargs, ui, |
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91 options, d, cmdpats, cmdoptions)) |
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92 ui.popbuffer() |
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93 lui.popbuffer() |
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94 |
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95 dispatch.runcommand = runcommand |
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96 |
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97 dispatch.run() |