exchangev2: fetch and apply phases data
Now that the server supports emitting phases data, we can request it
and apply it on the client.
Because we may receive phases-only updates from the server, we no
longer conditionally perform the "changesetdata" command depending
on whether there are revisions to fetch. In the previous wire
protocol, this case would result in us falling back to performing
"listkeys" commands to look up phases, bookmarks, etc data. But
since "changesetdata" is smart enough to handle metadata only
fetches, we can keep things consistent.
It's worth noting that because of the unified approach to changeset
data retrieval, phase handling code in wire proto v2 exchange is
drastically simpler. Contrast with all the code in exchange.py
dealing with all the variations for obtaining phases data.
Differential Revision: https://phab.mercurial-scm.org/D4484
#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 >> $HGRCPATH << EOF
> [extensions]
> perfstatusext=$CONTRIBDIR/perf.py
> [perf]
> presleep=0
> stub=on
> parentscount=1
> EOF
$ hg help perfstatusext
perfstatusext extension - helper extension to measure performance
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
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
(no help text available)
perfdirs (no help text available)
perfdirstate (no help text available)
perfdirstatedirs
(no help text available)
perfdirstatefoldmap
(no help text available)
perfdirstatewrite
(no help text available)
perffncacheencode
(no help text available)
perffncacheload
(no help text available)
perffncachewrite
(no help text available)
perfheads (no help text available)
perfindex (no help text available)
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)
perfmoonwalk benchmark walking the changelog backwards
perfnodelookup
(no help text available)
perfparents (no help text available)
perfpathcopies
(no help text available)
perfphases benchmark phasesets computation
perfphasesremote
benchmark time needed to analyse phases of the remote server
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.
perfrevrange (no help text available)
perfrevset benchmark the execution time of a revset
perfstartup (no help text available)
perfstatus (no help text available)
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 perfstatusext' 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 perfcca
$ hg perfchangegroupchangelog
$ hg perfchangeset 2
$ hg perfctxfiles 2
$ hg perfdiffwd
$ hg perfdirfoldmap
$ hg perfdirs
$ hg perfdirstate
$ 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 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 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 perftags
$ hg perftemplating
$ hg perfvolatilesets
$ hg perfwalk
$ hg perfparents
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)
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
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