mirror of
https://github.com/facebook/sapling.git
synced 2024-10-11 01:07:15 +03:00
6939c33e06
Reviewed By: sfilipco Differential Revision: D20965267 fbshipit-source-id: c75601f0cddec0a8388adca3d522d668b7b2a787
55 lines
1.1 KiB
Perl
55 lines
1.1 KiB
Perl
#chg-compatible
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create verbosemmap.py
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$ cat << EOF > verbosemmap.py
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> # extension to make util.mmapread verbose
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>
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> from __future__ import absolute_import
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>
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> from edenscm.mercurial import (
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> extensions,
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> util,
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> )
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>
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> def extsetup(ui):
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> def mmapread(orig, fp):
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> ui.write("mmapping %s\n" % fp.name)
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> ui.flush()
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> return orig(fp)
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>
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> extensions.wrapfunction(util, 'mmapread', mmapread)
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> EOF
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setting up base repo
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$ hg init a
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$ cd a
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$ touch a
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$ hg add a
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$ hg commit -qm base
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$ for i in `$TESTDIR/seq.py 1 100` ; do
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> echo $i > a
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> hg commit -qm $i
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> done
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set up verbosemmap extension
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$ setconfig extensions.verbosemmap="$TESTTMP/verbosemmap.py"
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mmap index which is now more than 4k long
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$ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=4k
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mmapping $TESTTMP/a/.hg/store/00changelog.i
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100
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99
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98
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97
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96
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do not mmap index which is still less than 32k
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$ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=32k
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100
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99
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98
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97
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96
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$ cd ..
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