contrib/perf.py

46459:c41ac8985fe4

# perf commands


@command(b'perf--walk', formatteropts)
def perfwalk(ui, repo, *pats, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    m = scmutil.match(repo[None], pats, {})
    timer(

        )
    )
    fm.end()


@command(b'perf--annotate', formatteropts)
def perfannotate(ui, repo, f, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    fc = repo[b'.'][f]
    timer(lambda: len(fc.annotate(True)))
    fm.end()


@command(
    b'perf--status',
    [
        (b'u', b'unknown', False, b'ask status to look for unknown files'),
        (b'', b'dirstate', False, b'benchmark the internal dirstate call'),
    ]
    + formatteropts,

    else:
        timer(lambda: sum(map(len, repo.status(unknown=opts[b'unknown']))))
    fm.end()


@command(b'perf--addremove', formatteropts)
def perfaddremove(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    try:
        oldquiet = repo.ui.quiet

        cl._nodecache = {nullid: nullrev}
        cl._nodepos = None


@command(b'perf--heads', formatteropts)
def perfheads(ui, repo, **opts):
    """benchmark the computation of a changelog heads"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    cl = repo.changelog

    timer(d, setup=s)
    fm.end()


@command(
    b'perf--tags',
    formatteropts
    + [
        (b'', b'clear-revlogs', False, b'refresh changelog and manifest'),
    ],
)

    timer(t, setup=s)
    fm.end()


@command(b'perf--ancestors', formatteropts)
def perfancestors(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    heads = repo.changelog.headrevs()

    timer(d)
    fm.end()


@command(b'perf--ancestorset', formatteropts)
def perfancestorset(ui, repo, revset, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    revs = repo.revs(revset)
    heads = repo.changelog.headrevs()

    timer(d)
    fm.end()


@command(b'perf--discovery', formatteropts, b'PATH')
def perfdiscovery(ui, repo, path, **opts):
    """benchmark discovery between local repo and the peer at given path"""
    repos = [repo, None]
    timer, fm = gettimer(ui, opts)
    path = ui.expandpath(path)

    timer(d, setup=s)
    fm.end()


@command(
    b'perf--bookmarks',
    formatteropts
    + [
        (b'', b'clear-revlogs', False, b'refresh changelog and manifest'),
    ],
)

    timer(d, setup=s)
    fm.end()


@command(b'perf--bundleread', formatteropts, b'BUNDLE')
def perfbundleread(ui, repo, bundlepath, **opts):
    """Benchmark reading of bundle files.

    This command is meant to isolate the I/O part of bundle reading as
    much as possible.

        timer(fn, title=title)
        fm.end()


@command(
    b'perf--changegroupchangelog',
    formatteropts
    + [
        (b'', b'cgversion', b'02', b'changegroup version'),
        (b'r', b'rev', b'', b'revisions to add to changegroup'),
    ],

        timer(d)

    fm.end()


@command(b'perf--dirs', formatteropts)
def perfdirs(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    dirstate = repo.dirstate
    b'a' in dirstate

    timer(d)
    fm.end()


@command(
    b'perf--dirstate',
    [
        (
            b'',
            b'iteration',
            None,

    timer(d, setup=setup)
    fm.end()


@command(b'perf--dirstatedirs', formatteropts)
def perfdirstatedirs(ui, repo, **opts):
    """benchmap a 'dirstate.hasdir' call from an empty `dirs` cache"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    repo.dirstate.hasdir(b"a")

    timer(d, setup=setup)
    fm.end()


@command(b'perf--dirstatefoldmap', formatteropts)
def perfdirstatefoldmap(ui, repo, **opts):
    """benchmap a `dirstate._map.filefoldmap.get()` request

    The dirstate filefoldmap cache is dropped between every request.
    """

    timer(d, setup=setup)
    fm.end()


@command(b'perf--dirfoldmap', formatteropts)
def perfdirfoldmap(ui, repo, **opts):
    """benchmap a `dirstate._map.dirfoldmap.get()` request

    The dirstate dirfoldmap cache is dropped between every request.
    """

    timer(d, setup=setup)
    fm.end()


@command(b'perf--dirstatewrite', formatteropts)
def perfdirstatewrite(ui, repo, **opts):
    """benchmap the time it take to write a dirstate on disk"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    ds = repo.dirstate

        ancestor = wctx.ancestor(rctx)
    return (wctx, rctx, ancestor)


@command(
    b'perf--mergecalculate',
    [
        (b'r', b'rev', b'.', b'rev to merge against'),
        (b'', b'from', b'', b'rev to merge from'),
        (b'', b'base', b'', b'the revision to use as base'),
    ]

    timer(d)
    fm.end()


@command(
    b'perf--mergecopies',
    [
        (b'r', b'rev', b'.', b'rev to merge against'),
        (b'', b'from', b'', b'rev to merge from'),
        (b'', b'base', b'', b'the revision to use as base'),
    ]

    timer(d)
    fm.end()


@command(b'perf--pathcopies', [], b"REV REV")
def perfpathcopies(ui, repo, rev1, rev2, **opts):
    """benchmark the copy tracing logic"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    ctx1 = scmutil.revsingle(repo, rev1, rev1)

    timer(d)
    fm.end()


@command(
    b'perf--phases',
    [
        (b'', b'full', False, b'include file reading time too'),
    ],
    b"",
)

    timer(d)
    fm.end()


@command(b'perf--phasesremote', [], b"[DEST]")
def perfphasesremote(ui, repo, dest=None, **opts):
    """benchmark time needed to analyse phases of the remote server"""
    from mercurial.node import bin
    from mercurial import (
        exchange,

    timer(d)
    fm.end()


@command(
    b'perf--manifest',
    [
        (b'm', b'manifest-rev', False, b'Look up a manifest node revision'),
        (b'', b'clear-disk', False, b'clear on-disk caches too'),
    ]
    + formatteropts,

    timer(d)
    fm.end()


@command(b'perf--changeset', formatteropts)
def perfchangeset(ui, repo, rev, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    n = scmutil.revsingle(repo, rev).node()

    timer(d)
    fm.end()


@command(b'perf--ignore', formatteropts)
def perfignore(ui, repo, **opts):
    """benchmark operation related to computing ignore"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    dirstate = repo.dirstate

    timer(runone, setup=setupone, title=b"load")
    fm.end()


@command(
    b'perf--index',
    [
        (b'', b'rev', [], b'revision to be looked up (default tip)'),
        (b'', b'no-lookup', None, b'do not revision lookup post creation'),
    ]
    + formatteropts,

    timer(d, setup=setup)
    fm.end()


@command(
    b'perf--nodemap',
    [
        (b'', b'rev', [], b'revision to be looked up (default tip)'),
        (b'', b'clear-caches', True, b'clear revlog cache between calls'),
    ]
    + formatteropts,

        d()  # prewarm the data structure
    timer(d, setup=setup)
    fm.end()


@command(b'perf--startup', formatteropts)
def perfstartup(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)

    def d():

    timer(d)
    fm.end()


@command(b'perf--parents', formatteropts)
def perfparents(ui, repo, **opts):
    """benchmark the time necessary to fetch one changeset's parents.

    The fetch is done using the `node identifier`, traversing all object layers
    from the repository object. The first N revisions will be used for this

    timer(d)
    fm.end()


@command(b'perf--ctxfiles', formatteropts)
def perfctxfiles(ui, repo, x, **opts):
    opts = _byteskwargs(opts)
    x = int(x)
    timer, fm = gettimer(ui, opts)

    timer(d)
    fm.end()


@command(b'perf--rawfiles', formatteropts)
def perfrawfiles(ui, repo, x, **opts):
    opts = _byteskwargs(opts)
    x = int(x)
    timer, fm = gettimer(ui, opts)
    cl = repo.changelog

    timer(d)
    fm.end()


@command(b'perf--lookup', formatteropts)
def perflookup(ui, repo, rev, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    timer(lambda: len(repo.lookup(rev)))
    fm.end()


@command(
    b'perf--linelogedits',
    [
        (b'n', b'edits', 10000, b'number of edits'),
        (b'', b'max-hunk-lines', 10, b'max lines in a hunk'),
    ],
    norepo=True,

    timer, fm = gettimer(ui, opts)
    timer(d)
    fm.end()


@command(b'perf--revrange', formatteropts)
def perfrevrange(ui, repo, *specs, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    revrange = scmutil.revrange
    timer(lambda: len(revrange(repo, specs)))
    fm.end()


@command(b'perf--nodelookup', formatteropts)
def perfnodelookup(ui, repo, rev, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    import mercurial.revlog

    timer(d)
    fm.end()


@command(
    b'perf--log',
    [(b'', b'rename', False, b'ask log to follow renames')] + formatteropts,
)
def perflog(ui, repo, rev=None, **opts):
    opts = _byteskwargs(opts)
    if rev is None:

    )
    ui.popbuffer()
    fm.end()


@command(b'perf--moonwalk', formatteropts)
def perfmoonwalk(ui, repo, **opts):
    """benchmark walking the changelog backwards

    This also loads the changelog data for each revision in the changelog.
    """

    timer(moonwalk)
    fm.end()


@command(
    b'perf--templating',
    [
        (b'r', b'rev', [], b'revisions to run the template on'),
    ]
    + formatteropts,
)

            fm.plain('%s: %s\n' % (l, stats[l]))
    fm.end()


@command(
    b'perf--helper-mergecopies',
    formatteropts
    + [
        (b'r', b'revs', [], b'restrict search to these revisions'),
        (b'', b'timing', False, b'provides extra data (costly)'),
        (b'', b'stats', False, b'provides statistic about the measured data'),

            entries.append(('totaltime', 'time for both parents'))
        _displaystats(ui, opts, entries, alldata)


@command(
    b'perf--helper-pathcopies',
    formatteropts
    + [
        (b'r', b'revs', [], b'restrict search to these revisions'),
        (b'', b'timing', False, b'provides extra data (costly)'),
        (b'', b'stats', False, b'provides statistic about the measured data'),

            entries.append(('nbrenames', 'renamed files'))
            entries.append(('time', 'time'))
        _displaystats(ui, opts, entries, alldata)


@command(b'perf--cca', formatteropts)
def perfcca(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate))
    fm.end()


@command(b'perf--fncacheload', formatteropts)
def perffncacheload(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    s = repo.store

    timer(d)
    fm.end()


@command(b'perf--fncachewrite', formatteropts)
def perffncachewrite(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    s = repo.store
    lock = repo.lock()

    tr.close()
    lock.release()
    fm.end()


@command(b'perf--fncacheencode', formatteropts)
def perffncacheencode(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    s = repo.store
    s.fncache._load()

    return store.revision(mnode)


@command(
    b'perf--bdiff',
    revlogopts
    + formatteropts
    + [
        (
            b'',

        with ready:
            ready.notify_all()


@command(
    b'perf--unidiff',
    revlogopts
    + formatteropts
    + [
        (
            b'',

    timer, fm = gettimer(ui, opts)
    timer(d)
    fm.end()


@command(b'perf--diffwd', formatteropts)
def perfdiffwd(ui, repo, **opts):
    """Profile diff of working directory changes"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    options = {

        title = b'diffopts: %s' % (diffopt and (b'-' + diffopt) or b'none')
        timer(d, title=title)
    fm.end()


@command(b'perf--revlogindex', revlogopts + formatteropts, b'-c|-m|FILE')
def perfrevlogindex(ui, repo, file_=None, **opts):
    """Benchmark operations against a revlog index.

    This tests constructing a revlog instance, reading index data,
    parsing index data, and performing various operations related to

        timer(fn, title=title)
        fm.end()


@command(
    b'perf--revlogrevisions',
    revlogopts
    + formatteropts
    + [
        (b'd', b'dist', 100, b'distance between the revisions'),
        (b's', b'startrev', 0, b'revision to start reading at'),

    timer(d)
    fm.end()


@command(
    b'perf--revlogwrite',
    revlogopts
    + formatteropts
    + [
        (b's', b'startrev', 1000, b'revision to start writing at'),
        (b'', b'stoprev', -1, b'last revision to write'),

    finally:
        shutil.rmtree(tmpdir, True)


@command(
    b'perf--revlogchunks',
    revlogopts
    + formatteropts
    + [
        (b'e', b'engines', b'', b'compression engines to use'),
        (b's', b'startrev', 0, b'revision to start at'),

        timer(fn, title=title)
        fm.end()


@command(
    b'perf--revlogrevision',
    revlogopts
    + formatteropts
    + [(b'', b'cache', False, b'use caches instead of clearing')],
    b'-c|-m|FILE REV',
)

        timer(fn, title=title)
    fm.end()


@command(
    b'perf--revset',
    [
        (b'C', b'clear', False, b'clear volatile cache between each call.'),
        (b'', b'contexts', False, b'obtain changectx for each revision'),
    ]
    + formatteropts,

    timer(d)
    fm.end()


@command(
    b'perf--volatilesets',
    [
        (b'', b'clear-obsstore', False, b'drop obsstore between each call.'),
    ]
    + formatteropts,
)

        timer(getfiltered(name), title=name)
    fm.end()


@command(
    b'perf--branchmap',
    [
        (b'f', b'full', False, b'Includes build time of subset'),
        (
            b'',
            b'clear-revbranch',

        branchcachewrite.restore()
    fm.end()


@command(
    b'perf--branchmapupdate',
    [
        (b'', b'base', [], b'subset of revision to start from'),
        (b'', b'target', [], b'subset of revision to end with'),
        (b'', b'clear-caches', False, b'clear cache between each runs'),
    ]

        repoview.filtertable.pop(b'__perf_branchmap_update_base', None)
        repoview.filtertable.pop(b'__perf_branchmap_update_target', None)


@command(
    b'perf--branchmapload',
    [
        (b'f', b'filter', b'', b'Specify repoview filter'),
        (b'', b'list', False, b'List brachmap filter caches'),
        (b'', b'clear-revlogs', False, b'refresh changelog and manifest'),
    ]

    timer(bench, setup=setup)
    fm.end()


@command(b'perf--loadmarkers')
def perfloadmarkers(ui, repo):
    """benchmark the time to parse the on-disk markers for a repo

    Result is the number of markers in the repo."""
    timer, fm = gettimer(ui)

    timer(lambda: len(obsolete.obsstore(svfs)))
    fm.end()


@command(
    b'perf--lrucachedict',
    formatteropts
    + [
        (b'', b'costlimit', 0, b'maximum total cost of items in cache'),
        (b'', b'mincost', 0, b'smallest cost of items in cache'),
        (b'', b'maxcost', 100, b'maximum cost of items in cache'),

        timer(fn, title=title)
        fm.end()


@command(
    b'perf--write',
    formatteropts
    + [
        (b'', b'write-method', b'write', b'ui write method'),
        (b'', b'nlines', 100, b'number of lines'),
        (b'', b'nitems', 100, b'number of items (per line)'),

        extensions.wrapfunction(cmdutil, b'openrevlog', openrevlog)


@command(
    b'perf--progress',
    formatteropts
    + [
        (b'', b'topic', b'topic', b'topic for progress messages'),
        (b'c', b'total', 1000000, b'total value we are progressing to'),
    ],

46460:d8ad391e10f5

# perf commands


@command(b'perf::walk|perfwalk', formatteropts)
def perfwalk(ui, repo, *pats, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    m = scmutil.match(repo[None], pats, {})
    timer(

        )
    )
    fm.end()


@command(b'perf::annotate|perfannotate', formatteropts)
def perfannotate(ui, repo, f, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    fc = repo[b'.'][f]
    timer(lambda: len(fc.annotate(True)))
    fm.end()


@command(
    b'perf::status|perfstatus',
    [
        (b'u', b'unknown', False, b'ask status to look for unknown files'),
        (b'', b'dirstate', False, b'benchmark the internal dirstate call'),
    ]
    + formatteropts,

    else:
        timer(lambda: sum(map(len, repo.status(unknown=opts[b'unknown']))))
    fm.end()


@command(b'perf::addremove|perfaddremove', formatteropts)
def perfaddremove(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    try:
        oldquiet = repo.ui.quiet

        cl._nodecache = {nullid: nullrev}
        cl._nodepos = None


@command(b'perf::heads|perfheads', formatteropts)
def perfheads(ui, repo, **opts):
    """benchmark the computation of a changelog heads"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    cl = repo.changelog

    timer(d, setup=s)
    fm.end()


@command(
    b'perf::tags|perftags',
    formatteropts
    + [
        (b'', b'clear-revlogs', False, b'refresh changelog and manifest'),
    ],
)

    timer(t, setup=s)
    fm.end()


@command(b'perf::ancestors|perfancestors', formatteropts)
def perfancestors(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    heads = repo.changelog.headrevs()

    timer(d)
    fm.end()


@command(b'perf::ancestorset|perfancestorset', formatteropts)
def perfancestorset(ui, repo, revset, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    revs = repo.revs(revset)
    heads = repo.changelog.headrevs()

    timer(d)
    fm.end()


@command(b'perf::discovery|perfdiscovery', formatteropts, b'PATH')
def perfdiscovery(ui, repo, path, **opts):
    """benchmark discovery between local repo and the peer at given path"""
    repos = [repo, None]
    timer, fm = gettimer(ui, opts)
    path = ui.expandpath(path)

    timer(d, setup=s)
    fm.end()


@command(
    b'perf::bookmarks|perfbookmarks',
    formatteropts
    + [
        (b'', b'clear-revlogs', False, b'refresh changelog and manifest'),
    ],
)

    timer(d, setup=s)
    fm.end()


@command(b'perf::bundleread|perfbundleread', formatteropts, b'BUNDLE')
def perfbundleread(ui, repo, bundlepath, **opts):
    """Benchmark reading of bundle files.

    This command is meant to isolate the I/O part of bundle reading as
    much as possible.

        timer(fn, title=title)
        fm.end()


@command(
    b'perf::changegroupchangelog|perfchangegroupchangelog',
    formatteropts
    + [
        (b'', b'cgversion', b'02', b'changegroup version'),
        (b'r', b'rev', b'', b'revisions to add to changegroup'),
    ],

        timer(d)

    fm.end()


@command(b'perf::dirs|perfdirs', formatteropts)
def perfdirs(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    dirstate = repo.dirstate
    b'a' in dirstate

    timer(d)
    fm.end()


@command(
    b'perf::dirstate|perfdirstate',
    [
        (
            b'',
            b'iteration',
            None,

    timer(d, setup=setup)
    fm.end()


@command(b'perf::dirstatedirs|perfdirstatedirs', formatteropts)
def perfdirstatedirs(ui, repo, **opts):
    """benchmap a 'dirstate.hasdir' call from an empty `dirs` cache"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    repo.dirstate.hasdir(b"a")

    timer(d, setup=setup)
    fm.end()


@command(b'perf::dirstatefoldmap|perfdirstatefoldmap', formatteropts)
def perfdirstatefoldmap(ui, repo, **opts):
    """benchmap a `dirstate._map.filefoldmap.get()` request

    The dirstate filefoldmap cache is dropped between every request.
    """

    timer(d, setup=setup)
    fm.end()


@command(b'perf::dirfoldmap|perfdirfoldmap', formatteropts)
def perfdirfoldmap(ui, repo, **opts):
    """benchmap a `dirstate._map.dirfoldmap.get()` request

    The dirstate dirfoldmap cache is dropped between every request.
    """

    timer(d, setup=setup)
    fm.end()


@command(b'perf::dirstatewrite|perfdirstatewrite', formatteropts)
def perfdirstatewrite(ui, repo, **opts):
    """benchmap the time it take to write a dirstate on disk"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    ds = repo.dirstate

        ancestor = wctx.ancestor(rctx)
    return (wctx, rctx, ancestor)


@command(
    b'perf::mergecalculate|perfmergecalculate',
    [
        (b'r', b'rev', b'.', b'rev to merge against'),
        (b'', b'from', b'', b'rev to merge from'),
        (b'', b'base', b'', b'the revision to use as base'),
    ]

    timer(d)
    fm.end()


@command(
    b'perf::mergecopies|perfmergecopies',
    [
        (b'r', b'rev', b'.', b'rev to merge against'),
        (b'', b'from', b'', b'rev to merge from'),
        (b'', b'base', b'', b'the revision to use as base'),
    ]

    timer(d)
    fm.end()


@command(b'perf::pathcopies|perfpathcopies', [], b"REV REV")
def perfpathcopies(ui, repo, rev1, rev2, **opts):
    """benchmark the copy tracing logic"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    ctx1 = scmutil.revsingle(repo, rev1, rev1)

    timer(d)
    fm.end()


@command(
    b'perf::phases|perfphases',
    [
        (b'', b'full', False, b'include file reading time too'),
    ],
    b"",
)

    timer(d)
    fm.end()


@command(b'perf::phasesremote|perfphasesremote', [], b"[DEST]")
def perfphasesremote(ui, repo, dest=None, **opts):
    """benchmark time needed to analyse phases of the remote server"""
    from mercurial.node import bin
    from mercurial import (
        exchange,

    timer(d)
    fm.end()


@command(
    b'perf::manifest|perfmanifest',
    [
        (b'm', b'manifest-rev', False, b'Look up a manifest node revision'),
        (b'', b'clear-disk', False, b'clear on-disk caches too'),
    ]
    + formatteropts,

    timer(d)
    fm.end()


@command(b'perf::changeset|perfchangeset', formatteropts)
def perfchangeset(ui, repo, rev, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    n = scmutil.revsingle(repo, rev).node()

    timer(d)
    fm.end()


@command(b'perf::ignore|perfignore', formatteropts)
def perfignore(ui, repo, **opts):
    """benchmark operation related to computing ignore"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    dirstate = repo.dirstate

    timer(runone, setup=setupone, title=b"load")
    fm.end()


@command(
    b'perf::index|perfindex',
    [
        (b'', b'rev', [], b'revision to be looked up (default tip)'),
        (b'', b'no-lookup', None, b'do not revision lookup post creation'),
    ]
    + formatteropts,

    timer(d, setup=setup)
    fm.end()


@command(
    b'perf::nodemap|perfnodemap',
    [
        (b'', b'rev', [], b'revision to be looked up (default tip)'),
        (b'', b'clear-caches', True, b'clear revlog cache between calls'),
    ]
    + formatteropts,

        d()  # prewarm the data structure
    timer(d, setup=setup)
    fm.end()


@command(b'perf::startup|perfstartup', formatteropts)
def perfstartup(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)

    def d():

    timer(d)
    fm.end()


@command(b'perf::parents|perfparents', formatteropts)
def perfparents(ui, repo, **opts):
    """benchmark the time necessary to fetch one changeset's parents.

    The fetch is done using the `node identifier`, traversing all object layers
    from the repository object. The first N revisions will be used for this

    timer(d)
    fm.end()


@command(b'perf::ctxfiles|perfctxfiles', formatteropts)
def perfctxfiles(ui, repo, x, **opts):
    opts = _byteskwargs(opts)
    x = int(x)
    timer, fm = gettimer(ui, opts)

    timer(d)
    fm.end()


@command(b'perf::rawfiles|perfrawfiles', formatteropts)
def perfrawfiles(ui, repo, x, **opts):
    opts = _byteskwargs(opts)
    x = int(x)
    timer, fm = gettimer(ui, opts)
    cl = repo.changelog

    timer(d)
    fm.end()


@command(b'perf::lookup|perflookup', formatteropts)
def perflookup(ui, repo, rev, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    timer(lambda: len(repo.lookup(rev)))
    fm.end()


@command(
    b'perf::linelogedits|perflinelogedits',
    [
        (b'n', b'edits', 10000, b'number of edits'),
        (b'', b'max-hunk-lines', 10, b'max lines in a hunk'),
    ],
    norepo=True,

    timer, fm = gettimer(ui, opts)
    timer(d)
    fm.end()


@command(b'perf::revrange|perfrevrange', formatteropts)
def perfrevrange(ui, repo, *specs, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    revrange = scmutil.revrange
    timer(lambda: len(revrange(repo, specs)))
    fm.end()


@command(b'perf::nodelookup|perfnodelookup', formatteropts)
def perfnodelookup(ui, repo, rev, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    import mercurial.revlog

    timer(d)
    fm.end()


@command(
    b'perf::log|perflog',
    [(b'', b'rename', False, b'ask log to follow renames')] + formatteropts,
)
def perflog(ui, repo, rev=None, **opts):
    opts = _byteskwargs(opts)
    if rev is None:

    )
    ui.popbuffer()
    fm.end()


@command(b'perf::moonwalk|perfmoonwalk', formatteropts)
def perfmoonwalk(ui, repo, **opts):
    """benchmark walking the changelog backwards

    This also loads the changelog data for each revision in the changelog.
    """

    timer(moonwalk)
    fm.end()


@command(
    b'perf::templating|perftemplating',
    [
        (b'r', b'rev', [], b'revisions to run the template on'),
    ]
    + formatteropts,
)

            fm.plain('%s: %s\n' % (l, stats[l]))
    fm.end()


@command(
    b'perf::helper-mergecopies|perfhelper-mergecopies',
    formatteropts
    + [
        (b'r', b'revs', [], b'restrict search to these revisions'),
        (b'', b'timing', False, b'provides extra data (costly)'),
        (b'', b'stats', False, b'provides statistic about the measured data'),

            entries.append(('totaltime', 'time for both parents'))
        _displaystats(ui, opts, entries, alldata)


@command(
    b'perf::helper-pathcopies|perfhelper-pathcopies',
    formatteropts
    + [
        (b'r', b'revs', [], b'restrict search to these revisions'),
        (b'', b'timing', False, b'provides extra data (costly)'),
        (b'', b'stats', False, b'provides statistic about the measured data'),

            entries.append(('nbrenames', 'renamed files'))
            entries.append(('time', 'time'))
        _displaystats(ui, opts, entries, alldata)


@command(b'perf::cca|perfcca', formatteropts)
def perfcca(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate))
    fm.end()


@command(b'perf::fncacheload|perffncacheload', formatteropts)
def perffncacheload(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    s = repo.store

    timer(d)
    fm.end()


@command(b'perf::fncachewrite|perffncachewrite', formatteropts)
def perffncachewrite(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    s = repo.store
    lock = repo.lock()

    tr.close()
    lock.release()
    fm.end()


@command(b'perf::fncacheencode|perffncacheencode', formatteropts)
def perffncacheencode(ui, repo, **opts):
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    s = repo.store
    s.fncache._load()

    return store.revision(mnode)


@command(
    b'perf::bdiff|perfbdiff',
    revlogopts
    + formatteropts
    + [
        (
            b'',

        with ready:
            ready.notify_all()


@command(
    b'perf::unidiff|perfunidiff',
    revlogopts
    + formatteropts
    + [
        (
            b'',

    timer, fm = gettimer(ui, opts)
    timer(d)
    fm.end()


@command(b'perf::diffwd|perfdiffwd', formatteropts)
def perfdiffwd(ui, repo, **opts):
    """Profile diff of working directory changes"""
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    options = {

        title = b'diffopts: %s' % (diffopt and (b'-' + diffopt) or b'none')
        timer(d, title=title)
    fm.end()


@command(
    b'perf::revlogindex|perfrevlogindex',
    revlogopts + formatteropts,
    b'-c|-m|FILE',
)
def perfrevlogindex(ui, repo, file_=None, **opts):
    """Benchmark operations against a revlog index.

    This tests constructing a revlog instance, reading index data,
    parsing index data, and performing various operations related to

        timer(fn, title=title)
        fm.end()


@command(
    b'perf::revlogrevisions|perfrevlogrevisions',
    revlogopts
    + formatteropts
    + [
        (b'd', b'dist', 100, b'distance between the revisions'),
        (b's', b'startrev', 0, b'revision to start reading at'),

    timer(d)
    fm.end()


@command(
    b'perf::revlogwrite|perfrevlogwrite',
    revlogopts
    + formatteropts
    + [
        (b's', b'startrev', 1000, b'revision to start writing at'),
        (b'', b'stoprev', -1, b'last revision to write'),

    finally:
        shutil.rmtree(tmpdir, True)


@command(
    b'perf::revlogchunks|perfrevlogchunks',
    revlogopts
    + formatteropts
    + [
        (b'e', b'engines', b'', b'compression engines to use'),
        (b's', b'startrev', 0, b'revision to start at'),

        timer(fn, title=title)
        fm.end()


@command(
    b'perf::revlogrevision|perfrevlogrevision',
    revlogopts
    + formatteropts
    + [(b'', b'cache', False, b'use caches instead of clearing')],
    b'-c|-m|FILE REV',
)

        timer(fn, title=title)
    fm.end()


@command(
    b'perf::revset|perfrevset',
    [
        (b'C', b'clear', False, b'clear volatile cache between each call.'),
        (b'', b'contexts', False, b'obtain changectx for each revision'),
    ]
    + formatteropts,

    timer(d)
    fm.end()


@command(
    b'perf::volatilesets|perfvolatilesets',
    [
        (b'', b'clear-obsstore', False, b'drop obsstore between each call.'),
    ]
    + formatteropts,
)

        timer(getfiltered(name), title=name)
    fm.end()


@command(
    b'perf::branchmap|perfbranchmap',
    [
        (b'f', b'full', False, b'Includes build time of subset'),
        (
            b'',
            b'clear-revbranch',

        branchcachewrite.restore()
    fm.end()


@command(
    b'perf::branchmapupdate|perfbranchmapupdate',
    [
        (b'', b'base', [], b'subset of revision to start from'),
        (b'', b'target', [], b'subset of revision to end with'),
        (b'', b'clear-caches', False, b'clear cache between each runs'),
    ]

        repoview.filtertable.pop(b'__perf_branchmap_update_base', None)
        repoview.filtertable.pop(b'__perf_branchmap_update_target', None)


@command(
    b'perf::branchmapload|perfbranchmapload',
    [
        (b'f', b'filter', b'', b'Specify repoview filter'),
        (b'', b'list', False, b'List brachmap filter caches'),
        (b'', b'clear-revlogs', False, b'refresh changelog and manifest'),
    ]

    timer(bench, setup=setup)
    fm.end()


@command(b'perf::loadmarkers|perfloadmarkers')
def perfloadmarkers(ui, repo):
    """benchmark the time to parse the on-disk markers for a repo

    Result is the number of markers in the repo."""
    timer, fm = gettimer(ui)

    timer(lambda: len(obsolete.obsstore(svfs)))
    fm.end()


@command(
    b'perf::lrucachedict|perflrucachedict',
    formatteropts
    + [
        (b'', b'costlimit', 0, b'maximum total cost of items in cache'),
        (b'', b'mincost', 0, b'smallest cost of items in cache'),
        (b'', b'maxcost', 100, b'maximum cost of items in cache'),

        timer(fn, title=title)
        fm.end()


@command(
    b'perf::write|perfwrite',
    formatteropts
    + [
        (b'', b'write-method', b'write', b'ui write method'),
        (b'', b'nlines', 100, b'number of lines'),
        (b'', b'nitems', 100, b'number of items (per line)'),

        extensions.wrapfunction(cmdutil, b'openrevlog', openrevlog)


@command(
    b'perf::progress|perfprogress',
    formatteropts
    + [
        (b'', b'topic', b'topic', b'topic for progress messages'),
        (b'c', b'total', 1000000, b'total value we are progressing to'),
    ],