rust-re2: add wrapper for calling Re2 from Rust
This assumes that Re2 is installed following Google's guide. I am not sure
how we want to integrate it in the project, but I think a follow-up patch would
be more appropriate for such work.
As it stands, *not* having Re2 installed results in a compilation error, which
is a problem as it breaks install compatibility. Hence, this is gated behind
a non-default `with-re2` compilation feature.
Differential Revision: https://phab.mercurial-scm.org/D7910
#require test-repo
Set vars:
$ . "$TESTDIR/helpers-testrepo.sh"
$ CONTRIBDIR="$TESTDIR/../contrib"
Prepare repo:
$ hg init
$ echo this is file a > a
$ hg add a
$ hg commit -m first
$ echo adding to file a >> a
$ hg commit -m second
$ echo adding more to file a >> a
$ hg commit -m third
$ hg up -r 0
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo merge-this >> a
$ hg commit -m merge-able
created new head
$ hg up -r 2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
perfstatus
$ cat >> $HGRCPATH << EOF
> [extensions]
> perf=$CONTRIBDIR/perf.py
> [perf]
> presleep=0
> stub=on
> parentscount=1
> EOF
$ hg help -e perf
perf extension - helper extension to measure performance
Configurations
==============
"perf"
------
"all-timing"
When set, additional statistics will be reported for each benchmark: best,
worst, median average. If not set only the best timing is reported
(default: off).
"presleep"
number of second to wait before any group of runs (default: 1)
"pre-run"
number of run to perform before starting measurement.
"profile-benchmark"
Enable profiling for the benchmarked section. (The first iteration is
benchmarked)
"run-limits"
Control the number of runs each benchmark will perform. The option value
should be a list of '<time>-<numberofrun>' pairs. After each run the
conditions are considered in order with the following logic:
If benchmark has been running for <time> seconds, and we have performed
<numberofrun> iterations, stop the benchmark,
The default value is: '3.0-100, 10.0-3'
"stub"
When set, benchmarks will only be run once, useful for testing (default:
off)
list of commands:
perfaddremove
(no help text available)
perfancestors
(no help text available)
perfancestorset
(no help text available)
perfannotate (no help text available)
perfbdiff benchmark a bdiff between revisions
perfbookmarks
benchmark parsing bookmarks from disk to memory
perfbranchmap
benchmark the update of a branchmap
perfbranchmapload
benchmark reading the branchmap
perfbranchmapupdate
benchmark branchmap update from for <base> revs to <target>
revs
perfbundleread
Benchmark reading of bundle files.
perfcca (no help text available)
perfchangegroupchangelog
Benchmark producing a changelog group for a changegroup.
perfchangeset
(no help text available)
perfctxfiles (no help text available)
perfdiffwd Profile diff of working directory changes
perfdirfoldmap
benchmap a 'dirstate._map.dirfoldmap.get()' request
perfdirs (no help text available)
perfdirstate benchmap the time of various distate operations
perfdirstatedirs
benchmap a 'dirstate.hasdir' call from an empty 'dirs' cache
perfdirstatefoldmap
benchmap a 'dirstate._map.filefoldmap.get()' request
perfdirstatewrite
benchmap the time it take to write a dirstate on disk
perfdiscovery
benchmark discovery between local repo and the peer at given
path
perffncacheencode
(no help text available)
perffncacheload
(no help text available)
perffncachewrite
(no help text available)
perfheads benchmark the computation of a changelog heads
perfhelper-mergecopies
find statistics about potential parameters for
'perfmergecopies'
perfhelper-pathcopies
find statistic about potential parameters for the
'perftracecopies'
perfignore benchmark operation related to computing ignore
perfindex benchmark index creation time followed by a lookup
perflinelogedits
(no help text available)
perfloadmarkers
benchmark the time to parse the on-disk markers for a repo
perflog (no help text available)
perflookup (no help text available)
perflrucachedict
(no help text available)
perfmanifest benchmark the time to read a manifest from disk and return a
usable
perfmergecalculate
(no help text available)
perfmergecopies
measure runtime of 'copies.mergecopies'
perfmoonwalk benchmark walking the changelog backwards
perfnodelookup
(no help text available)
perfnodemap benchmark the time necessary to look up revision from a cold
nodemap
perfparents benchmark the time necessary to fetch one changeset's parents.
perfpathcopies
benchmark the copy tracing logic
perfphases benchmark phasesets computation
perfphasesremote
benchmark time needed to analyse phases of the remote server
perfprogress printing of progress bars
perfrawfiles (no help text available)
perfrevlogchunks
Benchmark operations on revlog chunks.
perfrevlogindex
Benchmark operations against a revlog index.
perfrevlogrevision
Benchmark obtaining a revlog revision.
perfrevlogrevisions
Benchmark reading a series of revisions from a revlog.
perfrevlogwrite
Benchmark writing a series of revisions to a revlog.
perfrevrange (no help text available)
perfrevset benchmark the execution time of a revset
perfstartup (no help text available)
perfstatus benchmark the performance of a single status call
perftags (no help text available)
perftemplating
test the rendering time of a given template
perfunidiff benchmark a unified diff between revisions
perfvolatilesets
benchmark the computation of various volatile set
perfwalk (no help text available)
perfwrite microbenchmark ui.write
(use 'hg help -v perf' to show built-in aliases and global options)
$ hg perfaddremove
$ hg perfancestors
$ hg perfancestorset 2
$ hg perfannotate a
$ hg perfbdiff -c 1
$ hg perfbdiff --alldata 1
$ hg perfunidiff -c 1
$ hg perfunidiff --alldata 1
$ hg perfbookmarks
$ hg perfbranchmap
$ hg perfbranchmapload
$ hg perfbranchmapupdate --base "not tip" --target "tip"
benchmark of branchmap with 3 revisions with 1 new ones
$ hg perfcca
$ hg perfchangegroupchangelog
$ hg perfchangegroupchangelog --cgversion 01
$ hg perfchangeset 2
$ hg perfctxfiles 2
$ hg perfdiffwd
$ hg perfdirfoldmap
$ hg perfdirs
$ hg perfdirstate
$ hg perfdirstate --contains
$ hg perfdirstate --iteration
$ hg perfdirstatedirs
$ hg perfdirstatefoldmap
$ hg perfdirstatewrite
#if repofncache
$ hg perffncacheencode
$ hg perffncacheload
$ hg debugrebuildfncache
fncache already up to date
$ hg perffncachewrite
$ hg debugrebuildfncache
fncache already up to date
#endif
$ hg perfheads
$ hg perfignore
$ hg perfindex
$ hg perflinelogedits -n 1
$ hg perfloadmarkers
$ hg perflog
$ hg perflookup 2
$ hg perflrucache
$ hg perfmanifest 2
$ hg perfmanifest -m 44fe2c8352bb3a478ffd7d8350bbc721920134d1
$ hg perfmanifest -m 44fe2c8352bb
abort: manifest revision must be integer or full node
[255]
$ hg perfmergecalculate -r 3
$ hg perfmoonwalk
$ hg perfnodelookup 2
$ hg perfpathcopies 1 2
$ hg perfprogress --total 1000
$ hg perfrawfiles 2
$ hg perfrevlogindex -c
#if reporevlogstore
$ hg perfrevlogrevisions .hg/store/data/a.i
#endif
$ hg perfrevlogrevision -m 0
$ hg perfrevlogchunks -c
$ hg perfrevrange
$ hg perfrevset 'all()'
$ hg perfstartup
$ hg perfstatus
$ hg perfstatus --dirstate
$ hg perftags
$ hg perftemplating
$ hg perfvolatilesets
$ hg perfwalk
$ hg perfparents
$ hg perfdiscovery -q .
Test run control
----------------
Simple single entry
$ hg perfparents --config perf.stub=no --config perf.run-limits='0.000000001-15'
! wall * comb * user * sys * (best of 15) (glob)
Multiple entries
$ hg perfparents --config perf.stub=no --config perf.run-limits='500000-1, 0.000000001-5'
! wall * comb * user * sys * (best of 5) (glob)
error case are ignored
$ hg perfparents --config perf.stub=no --config perf.run-limits='500, 0.000000001-5'
malformatted run limit entry, missing "-": 500
! wall * comb * user * sys * (best of 5) (glob)
$ hg perfparents --config perf.stub=no --config perf.run-limits='aaa-12, 0.000000001-5'
malformatted run limit entry, could not convert string to float: aaa: aaa-12 (no-py3 !)
malformatted run limit entry, could not convert string to float: 'aaa': aaa-12 (py3 !)
! wall * comb * user * sys * (best of 5) (glob)
$ hg perfparents --config perf.stub=no --config perf.run-limits='12-aaaaaa, 0.000000001-5'
malformatted run limit entry, invalid literal for int() with base 10: 'aaaaaa': 12-aaaaaa
! wall * comb * user * sys * (best of 5) (glob)
test actual output
------------------
normal output:
$ hg perfheads --config perf.stub=no
! wall * comb * user * sys * (best of *) (glob)
detailed output:
$ hg perfheads --config perf.all-timing=yes --config perf.stub=no
! wall * comb * user * sys * (best of *) (glob)
! wall * comb * user * sys * (max of *) (glob)
! wall * comb * user * sys * (avg of *) (glob)
! wall * comb * user * sys * (median of *) (glob)
test json output
----------------
normal output:
$ hg perfheads --template json --config perf.stub=no
[
{
"comb": *, (glob)
"count": *, (glob)
"sys": *, (glob)
"user": *, (glob)
"wall": * (glob)
}
]
detailed output:
$ hg perfheads --template json --config perf.all-timing=yes --config perf.stub=no
[
{
"avg.comb": *, (glob)
"avg.count": *, (glob)
"avg.sys": *, (glob)
"avg.user": *, (glob)
"avg.wall": *, (glob)
"comb": *, (glob)
"count": *, (glob)
"max.comb": *, (glob)
"max.count": *, (glob)
"max.sys": *, (glob)
"max.user": *, (glob)
"max.wall": *, (glob)
"median.comb": *, (glob)
"median.count": *, (glob)
"median.sys": *, (glob)
"median.user": *, (glob)
"median.wall": *, (glob)
"sys": *, (glob)
"user": *, (glob)
"wall": * (glob)
}
]
Test pre-run feature
--------------------
(perf discovery has some spurious output)
$ hg perfdiscovery . --config perf.stub=no --config perf.run-limits='0.000000001-1' --config perf.pre-run=0
! wall * comb * user * sys * (best of 1) (glob)
searching for changes
$ hg perfdiscovery . --config perf.stub=no --config perf.run-limits='0.000000001-1' --config perf.pre-run=1
! wall * comb * user * sys * (best of 1) (glob)
searching for changes
searching for changes
$ hg perfdiscovery . --config perf.stub=no --config perf.run-limits='0.000000001-1' --config perf.pre-run=3
! wall * comb * user * sys * (best of 1) (glob)
searching for changes
searching for changes
searching for changes
searching for changes
test profile-benchmark option
------------------------------
Function to check that statprof ran
$ statprofran () {
> egrep 'Sample count:|No samples recorded' > /dev/null
> }
$ hg perfdiscovery . --config perf.stub=no --config perf.run-limits='0.000000001-1' --config perf.profile-benchmark=yes 2>&1 | statprofran
Check perf.py for historical portability
----------------------------------------
$ cd "$TESTDIR/.."
$ (testrepohg files -r 1.2 glob:mercurial/*.c glob:mercurial/*.py;
> testrepohg files -r tip glob:mercurial/*.c glob:mercurial/*.py) |
> "$TESTDIR"/check-perf-code.py contrib/perf.py
contrib/perf.py:\d+: (re)
> from mercurial import (
import newer module separately in try clause for early Mercurial
contrib/perf.py:\d+: (re)
> from mercurial import (
import newer module separately in try clause for early Mercurial
contrib/perf.py:\d+: (re)
> origindexpath = orig.opener.join(orig.indexfile)
use getvfs()/getsvfs() for early Mercurial
contrib/perf.py:\d+: (re)
> origdatapath = orig.opener.join(orig.datafile)
use getvfs()/getsvfs() for early Mercurial
contrib/perf.py:\d+: (re)
> vfs = vfsmod.vfs(tmpdir)
use getvfs()/getsvfs() for early Mercurial
contrib/perf.py:\d+: (re)
> vfs.options = getattr(orig.opener, 'options', None)
use getvfs()/getsvfs() for early Mercurial
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