Mercurial > hg
annotate tests/bzr-definitions @ 27470:d394a1a3708a
perf: add perfrevlogrevision
As part of investigating performance improvements to revlog reading,
I needed a mechanism to measure every part of revlog reading so I knew
where time was spent and how effective optimizations were.
This patch implements a perf command for benchmarking the various
stages of reading a single revlog revision.
When executed against a manifest revision at the end of a 30,000+
long delta chain in mozilla-central, the command demonstrates that
~80% of time is spent in zlib decompression.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sun, 20 Dec 2015 18:38:21 -0800 |
parents | 89872688893f |
children | 7a88643bc0ef |
rev | line source |
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7053 | 1 # this file holds the definitions that are used in various bzr tests |
2 | |
9042
95046688f80f
tests: remove more instances of export FOO=bar bashism
Brodie Rao <me+hg@dackz.net>
parents:
8523
diff
changeset
|
3 TERM=dumb; export TERM |
7053 | 4 echo '[extensions]' >> $HGRCPATH |
5 echo 'convert = ' >> $HGRCPATH | |
6 | |
7 glog() | |
8 { | |
20117
aa9385f983fa
tests: don't load unnecessary graphlog extension
Martin Geisler <martin@geisler.net>
parents:
16060
diff
changeset
|
9 hg log -G --template '{rev}@{branch} "{desc|firstline}" files: {files}\n' "$@" |
7053 | 10 } |
11 | |
12 manifest() | |
13 { | |
14 echo "% manifest of $2" | |
15 hg -R $1 manifest -v -r $2 | |
16 } |