annotate tests/test-revlog-mmapindex.t @ 46922:17368844f786

split: add test demonstrating issue with empty splits adjusting phases Differential Revision: https://phab.mercurial-scm.org/D10387
author Kyle Lippincott <spectral@google.com>
date Mon, 12 Apr 2021 17:51:56 -0700
parents 6ebe899b6551
children 42d2b31cee0b
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1 create verbosemmap.py
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2 $ cat << EOF > verbosemmap.py
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3 > # extension to make util.mmapread verbose
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4 >
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5 > from __future__ import absolute_import
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6 >
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7 > from mercurial import (
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8 > extensions,
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9 > pycompat,
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10 > util,
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11 > )
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12 >
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13 > def extsetup(ui):
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14 > def mmapread(orig, fp):
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15 > ui.write(b"mmapping %s\n" % pycompat.bytestr(fp.name))
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16 > ui.flush()
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17 > return orig(fp)
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18 >
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19 > extensions.wrapfunction(util, 'mmapread', mmapread)
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20 > EOF
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21
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22 setting up base repo
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23 $ hg init a
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24 $ cd a
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25 $ touch a
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26 $ hg add a
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27 $ hg commit -qm base
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28 $ for i in `$TESTDIR/seq.py 1 100` ; do
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29 > echo $i > a
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30 > hg commit -qm $i
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31 > done
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32
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33 set up verbosemmap extension
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34 $ cat << EOF >> $HGRCPATH
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35 > [extensions]
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36 > verbosemmap=$TESTTMP/verbosemmap.py
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37 > EOF
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38
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39 mmap index which is now more than 4k long
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40 $ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=4k
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41 mmapping $TESTTMP/a/.hg/store/00changelog.i
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48 do not mmap index which is still less than 32k
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49 $ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=32k
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56 $ cd ..