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# perf.py - performance test routines
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'''helper extension to measure performance'''
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from mercurial import cmdutil, scmutil, util, commands, obsolete
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from mercurial import repoview, branchmap, merge, copies, error
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import time, os, sys
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import random
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import functools
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formatteropts = commands.formatteropts
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cmdtable = {}
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command = cmdutil.command(cmdtable)
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def getlen(ui):
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if ui.configbool("perf", "stub"):
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return lambda x: 1
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return len
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def gettimer(ui, opts=None):
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"""return a timer function and formatter: (timer, formatter)
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This function exists to gather the creation of formatter in a single
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place instead of duplicating it in all performance commands."""
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# enforce an idle period before execution to counteract power management
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# experimental config: perf.presleep
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time.sleep(ui.configint("perf", "presleep", 1))
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if opts is None:
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opts = {}
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# redirect all to stderr
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ui = ui.copy()
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ui.fout = ui.ferr
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# get a formatter
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fm = ui.formatter('perf', opts)
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# stub function, runs code only once instead of in a loop
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# experimental config: perf.stub
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if ui.configbool("perf", "stub"):
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return functools.partial(stub_timer, fm), fm
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return functools.partial(_timer, fm), fm
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def stub_timer(fm, func, title=None):
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func()
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def _timer(fm, func, title=None):
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results = []
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begin = time.time()
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count = 0
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while True:
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ostart = os.times()
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cstart = time.time()
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r = func()
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cstop = time.time()
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ostop = os.times()
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count += 1
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a, b = ostart, ostop
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results.append((cstop - cstart, b[0] - a[0], b[1]-a[1]))
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if cstop - begin > 3 and count >= 100:
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break
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if cstop - begin > 10 and count >= 3:
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break
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fm.startitem()
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if title:
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fm.write('title', '! %s\n', title)
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if r:
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fm.write('result', '! result: %s\n', r)
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m = min(results)
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fm.plain('!')
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fm.write('wall', ' wall %f', m[0])
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fm.write('comb', ' comb %f', m[1] + m[2])
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fm.write('user', ' user %f', m[1])
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fm.write('sys', ' sys %f', m[2])
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fm.write('count', ' (best of %d)', count)
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fm.plain('\n')
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@command('perfwalk', formatteropts)
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def perfwalk(ui, repo, *pats, **opts):
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timer, fm = gettimer(ui, opts)
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try:
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m = scmutil.match(repo[None], pats, {})
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timer(lambda: len(list(repo.dirstate.walk(m, [], True, False))))
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except Exception:
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try:
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m = scmutil.match(repo[None], pats, {})
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timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)]))
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except Exception:
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timer(lambda: len(list(cmdutil.walk(repo, pats, {}))))
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fm.end()
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@command('perfannotate', formatteropts)
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def perfannotate(ui, repo, f, **opts):
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timer, fm = gettimer(ui, opts)
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fc = repo['.'][f]
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timer(lambda: len(fc.annotate(True)))
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fm.end()
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@command('perfstatus',
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[('u', 'unknown', False,
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'ask status to look for unknown files')] + formatteropts)
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def perfstatus(ui, repo, **opts):
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#m = match.always(repo.root, repo.getcwd())
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#timer(lambda: sum(map(len, repo.dirstate.status(m, [], False, False,
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# False))))
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timer, fm = gettimer(ui, opts)
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timer(lambda: sum(map(len, repo.status(unknown=opts['unknown']))))
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fm.end()
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@command('perfaddremove', formatteropts)
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def perfaddremove(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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try:
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oldquiet = repo.ui.quiet
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repo.ui.quiet = True
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matcher = scmutil.match(repo[None])
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timer(lambda: scmutil.addremove(repo, matcher, "", dry_run=True))
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finally:
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repo.ui.quiet = oldquiet
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fm.end()
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def clearcaches(cl):
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# behave somewhat consistently across internal API changes
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if util.safehasattr(cl, 'clearcaches'):
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cl.clearcaches()
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elif util.safehasattr(cl, '_nodecache'):
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from mercurial.node import nullid, nullrev
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cl._nodecache = {nullid: nullrev}
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cl._nodepos = None
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@command('perfheads', formatteropts)
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def perfheads(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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cl = repo.changelog
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def d():
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len(cl.headrevs())
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clearcaches(cl)
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timer(d)
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fm.end()
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@command('perftags', formatteropts)
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def perftags(ui, repo, **opts):
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import mercurial.changelog
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import mercurial.manifest
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timer, fm = gettimer(ui, opts)
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def t():
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repo.changelog = mercurial.changelog.changelog(repo.svfs)
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repo.manifest = mercurial.manifest.manifest(repo.svfs)
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repo._tags = None
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return len(repo.tags())
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timer(t)
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fm.end()
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@command('perfancestors', formatteropts)
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def perfancestors(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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heads = repo.changelog.headrevs()
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def d():
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for a in repo.changelog.ancestors(heads):
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pass
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timer(d)
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fm.end()
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@command('perfancestorset', formatteropts)
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def perfancestorset(ui, repo, revset, **opts):
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timer, fm = gettimer(ui, opts)
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revs = repo.revs(revset)
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heads = repo.changelog.headrevs()
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def d():
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s = repo.changelog.ancestors(heads)
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for rev in revs:
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rev in s
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timer(d)
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fm.end()
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@command('perfdirs', formatteropts)
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def perfdirs(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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dirstate = repo.dirstate
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'a' in dirstate
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def d():
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dirstate.dirs()
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del dirstate._dirs
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timer(d)
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fm.end()
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@command('perfdirstate', formatteropts)
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def perfdirstate(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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"a" in repo.dirstate
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def d():
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repo.dirstate.invalidate()
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"a" in repo.dirstate
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timer(d)
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fm.end()
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@command('perfdirstatedirs', formatteropts)
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def perfdirstatedirs(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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"a" in repo.dirstate
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def d():
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"a" in repo.dirstate._dirs
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del repo.dirstate._dirs
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timer(d)
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fm.end()
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@command('perfdirstatefoldmap', formatteropts)
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def perfdirstatefoldmap(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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dirstate = repo.dirstate
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'a' in dirstate
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def d():
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dirstate._filefoldmap.get('a')
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del dirstate._filefoldmap
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timer(d)
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fm.end()
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@command('perfdirfoldmap', formatteropts)
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def perfdirfoldmap(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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dirstate = repo.dirstate
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'a' in dirstate
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def d():
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dirstate._dirfoldmap.get('a')
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del dirstate._dirfoldmap
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del dirstate._dirs
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timer(d)
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fm.end()
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@command('perfdirstatewrite', formatteropts)
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def perfdirstatewrite(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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ds = repo.dirstate
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"a" in ds
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def d():
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ds._dirty = True
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ds.write(repo.currenttransaction())
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timer(d)
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fm.end()
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@command('perfmergecalculate',
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[('r', 'rev', '.', 'rev to merge against')] + formatteropts)
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def perfmergecalculate(ui, repo, rev, **opts):
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timer, fm = gettimer(ui, opts)
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wctx = repo[None]
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rctx = scmutil.revsingle(repo, rev, rev)
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ancestor = wctx.ancestor(rctx)
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# we don't want working dir files to be stat'd in the benchmark, so prime
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# that cache
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wctx.dirty()
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def d():
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# acceptremote is True because we don't want prompts in the middle of
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# our benchmark
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merge.calculateupdates(repo, wctx, rctx, [ancestor], False, False,
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acceptremote=True, followcopies=True)
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timer(d)
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fm.end()
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@command('perfpathcopies', [], "REV REV")
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def perfpathcopies(ui, repo, rev1, rev2, **opts):
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timer, fm = gettimer(ui, opts)
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ctx1 = scmutil.revsingle(repo, rev1, rev1)
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ctx2 = scmutil.revsingle(repo, rev2, rev2)
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def d():
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copies.pathcopies(ctx1, ctx2)
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timer(d)
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fm.end()
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@command('perfmanifest', [], 'REV')
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def perfmanifest(ui, repo, rev, **opts):
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timer, fm = gettimer(ui, opts)
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ctx = scmutil.revsingle(repo, rev, rev)
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t = ctx.manifestnode()
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def d():
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repo.manifest.clearcaches()
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repo.manifest.read(t)
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timer(d)
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fm.end()
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@command('perfchangeset', formatteropts)
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def perfchangeset(ui, repo, rev, **opts):
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timer, fm = gettimer(ui, opts)
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n = repo[rev].node()
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def d():
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repo.changelog.read(n)
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#repo.changelog._cache = None
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timer(d)
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fm.end()
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@command('perfindex', formatteropts)
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def perfindex(ui, repo, **opts):
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import mercurial.revlog
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timer, fm = gettimer(ui, opts)
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mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg
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n = repo["tip"].node()
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def d():
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cl = mercurial.revlog.revlog(repo.svfs, "00changelog.i")
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cl.rev(n)
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timer(d)
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fm.end()
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@command('perfstartup', formatteropts)
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def perfstartup(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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cmd = sys.argv[0]
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def d():
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if os.name != 'nt':
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os.system("HGRCPATH= %s version -q > /dev/null" % cmd)
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else:
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os.environ['HGRCPATH'] = ''
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os.system("%s version -q > NUL" % cmd)
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timer(d)
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fm.end()
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@command('perfparents', formatteropts)
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def perfparents(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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# control the number of commits perfparents iterates over
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# experimental config: perf.parentscount
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count = ui.configint("perf", "parentscount", 1000)
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if len(repo.changelog) < count:
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raise error.Abort("repo needs %d commits for this test" % count)
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repo = repo.unfiltered()
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nl = [repo.changelog.node(i) for i in xrange(count)]
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def d():
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for n in nl:
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repo.changelog.parents(n)
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timer(d)
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fm.end()
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@command('perfctxfiles', formatteropts)
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def perfctxfiles(ui, repo, x, **opts):
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x = int(x)
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timer, fm = gettimer(ui, opts)
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def d():
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len(repo[x].files())
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timer(d)
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fm.end()
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@command('perfrawfiles', formatteropts)
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def perfrawfiles(ui, repo, x, **opts):
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x = int(x)
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timer, fm = gettimer(ui, opts)
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cl = repo.changelog
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def d():
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len(cl.read(x)[3])
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timer(d)
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fm.end()
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@command('perflookup', formatteropts)
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def perflookup(ui, repo, rev, **opts):
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timer, fm = gettimer(ui, opts)
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timer(lambda: len(repo.lookup(rev)))
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fm.end()
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@command('perfrevrange', formatteropts)
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def perfrevrange(ui, repo, *specs, **opts):
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timer, fm = gettimer(ui, opts)
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revrange = scmutil.revrange
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timer(lambda: len(revrange(repo, specs)))
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fm.end()
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@command('perfnodelookup', formatteropts)
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def perfnodelookup(ui, repo, rev, **opts):
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timer, fm = gettimer(ui, opts)
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import mercurial.revlog
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mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg
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n = repo[rev].node()
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cl = mercurial.revlog.revlog(repo.svfs, "00changelog.i")
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def d():
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cl.rev(n)
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clearcaches(cl)
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timer(d)
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fm.end()
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@command('perflog',
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[('', 'rename', False, 'ask log to follow renames')] + formatteropts)
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def perflog(ui, repo, rev=None, **opts):
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if rev is None:
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rev=[]
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timer, fm = gettimer(ui, opts)
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ui.pushbuffer()
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timer(lambda: commands.log(ui, repo, rev=rev, date='', user='',
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copies=opts.get('rename')))
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ui.popbuffer()
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fm.end()
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@command('perfmoonwalk', formatteropts)
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def perfmoonwalk(ui, repo, **opts):
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"""benchmark walking the changelog backwards
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This also loads the changelog data for each revision in the changelog.
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"""
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timer, fm = gettimer(ui, opts)
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def moonwalk():
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for i in xrange(len(repo), -1, -1):
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ctx = repo[i]
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ctx.branch() # read changelog data (in addition to the index)
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timer(moonwalk)
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fm.end()
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@command('perftemplating', formatteropts)
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def perftemplating(ui, repo, rev=None, **opts):
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if rev is None:
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rev=[]
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timer, fm = gettimer(ui, opts)
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ui.pushbuffer()
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timer(lambda: commands.log(ui, repo, rev=rev, date='', user='',
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template='{date|shortdate} [{rev}:{node|short}]'
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' {author|person}: {desc|firstline}\n'))
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ui.popbuffer()
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fm.end()
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@command('perfcca', formatteropts)
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def perfcca(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate))
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fm.end()
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@command('perffncacheload', formatteropts)
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def perffncacheload(ui, repo, **opts):
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timer, fm = gettimer(ui, opts)
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s = repo.store
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def d():
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s.fncache._load()
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timer(d)
|
|
|
fm.end()
|
|
|
|
|
|
@command('perffncachewrite', formatteropts)
|
|
|
def perffncachewrite(ui, repo, **opts):
|
|
|
timer, fm = gettimer(ui, opts)
|
|
|
s = repo.store
|
|
|
s.fncache._load()
|
|
|
lock = repo.lock()
|
|
|
tr = repo.transaction('perffncachewrite')
|
|
|
def d():
|
|
|
s.fncache._dirty = True
|
|
|
s.fncache.write(tr)
|
|
|
timer(d)
|
|
|
lock.release()
|
|
|
fm.end()
|
|
|
|
|
|
@command('perffncacheencode', formatteropts)
|
|
|
def perffncacheencode(ui, repo, **opts):
|
|
|
timer, fm = gettimer(ui, opts)
|
|
|
s = repo.store
|
|
|
s.fncache._load()
|
|
|
def d():
|
|
|
for p in s.fncache.entries:
|
|
|
s.encode(p)
|
|
|
timer(d)
|
|
|
fm.end()
|
|
|
|
|
|
@command('perfdiffwd', formatteropts)
|
|
|
def perfdiffwd(ui, repo, **opts):
|
|
|
"""Profile diff of working directory changes"""
|
|
|
timer, fm = gettimer(ui, opts)
|
|
|
options = {
|
|
|
'w': 'ignore_all_space',
|
|
|
'b': 'ignore_space_change',
|
|
|
'B': 'ignore_blank_lines',
|
|
|
}
|
|
|
|
|
|
for diffopt in ('', 'w', 'b', 'B', 'wB'):
|
|
|
opts = dict((options[c], '1') for c in diffopt)
|
|
|
def d():
|
|
|
ui.pushbuffer()
|
|
|
commands.diff(ui, repo, **opts)
|
|
|
ui.popbuffer()
|
|
|
title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none')
|
|
|
timer(d, title)
|
|
|
fm.end()
|
|
|
|
|
|
@command('perfrevlog',
|
|
|
[('d', 'dist', 100, 'distance between the revisions')] + formatteropts,
|
|
|
"[INDEXFILE]")
|
|
|
def perfrevlog(ui, repo, file_, **opts):
|
|
|
timer, fm = gettimer(ui, opts)
|
|
|
from mercurial import revlog
|
|
|
dist = opts['dist']
|
|
|
_len = getlen(ui)
|
|
|
def d():
|
|
|
r = revlog.revlog(lambda fn: open(fn, 'rb'), file_)
|
|
|
for x in xrange(0, _len(r), dist):
|
|
|
r.revision(r.node(x))
|
|
|
|
|
|
timer(d)
|
|
|
fm.end()
|
|
|
|
|
|
@command('perfrevset',
|
|
|
[('C', 'clear', False, 'clear volatile cache between each call.'),
|
|
|
('', 'contexts', False, 'obtain changectx for each revision')]
|
|
|
+ formatteropts, "REVSET")
|
|
|
def perfrevset(ui, repo, expr, clear=False, contexts=False, **opts):
|
|
|
"""benchmark the execution time of a revset
|
|
|
|
|
|
Use the --clean option if need to evaluate the impact of build volatile
|
|
|
revisions set cache on the revset execution. Volatile cache hold filtered
|
|
|
and obsolete related cache."""
|
|
|
timer, fm = gettimer(ui, opts)
|
|
|
def d():
|
|
|
if clear:
|
|
|
repo.invalidatevolatilesets()
|
|
|
if contexts:
|
|
|
for ctx in repo.set(expr): pass
|
|
|
else:
|
|
|
for r in repo.revs(expr): pass
|
|
|
timer(d)
|
|
|
fm.end()
|
|
|
|
|
|
@command('perfvolatilesets', formatteropts)
|
|
|
def perfvolatilesets(ui, repo, *names, **opts):
|
|
|
"""benchmark the computation of various volatile set
|
|
|
|
|
|
Volatile set computes element related to filtering and obsolescence."""
|
|
|
timer, fm = gettimer(ui, opts)
|
|
|
repo = repo.unfiltered()
|
|
|
|
|
|
def getobs(name):
|
|
|
def d():
|
|
|
repo.invalidatevolatilesets()
|
|
|
obsolete.getrevs(repo, name)
|
|
|
return d
|
|
|
|
|
|
allobs = sorted(obsolete.cachefuncs)
|
|
|
if names:
|
|
|
allobs = [n for n in allobs if n in names]
|
|
|
|
|
|
for name in allobs:
|
|
|
timer(getobs(name), title=name)
|
|
|
|
|
|
def getfiltered(name):
|
|
|
def d():
|
|
|
repo.invalidatevolatilesets()
|
|
|
repoview.filterrevs(repo, name)
|
|
|
return d
|
|
|
|
|
|
allfilter = sorted(repoview.filtertable)
|
|
|
if names:
|
|
|
allfilter = [n for n in allfilter if n in names]
|
|
|
|
|
|
for name in allfilter:
|
|
|
timer(getfiltered(name), title=name)
|
|
|
fm.end()
|
|
|
|
|
|
@command('perfbranchmap',
|
|
|
[('f', 'full', False,
|
|
|
'Includes build time of subset'),
|
|
|
] + formatteropts)
|
|
|
def perfbranchmap(ui, repo, full=False, **opts):
|
|
|
"""benchmark the update of a branchmap
|
|
|
|
|
|
This benchmarks the full repo.branchmap() call with read and write disabled
|
|
|
"""
|
|
|
timer, fm = gettimer(ui, opts)
|
|
|
def getbranchmap(filtername):
|
|
|
"""generate a benchmark function for the filtername"""
|
|
|
if filtername is None:
|
|
|
view = repo
|
|
|
else:
|
|
|
view = repo.filtered(filtername)
|
|
|
def d():
|
|
|
if full:
|
|
|
view._branchcaches.clear()
|
|
|
else:
|
|
|
view._branchcaches.pop(filtername, None)
|
|
|
view.branchmap()
|
|
|
return d
|
|
|
# add filter in smaller subset to bigger subset
|
|
|
possiblefilters = set(repoview.filtertable)
|
|
|
allfilters = []
|
|
|
while possiblefilters:
|
|
|
for name in possiblefilters:
|
|
|
subset = branchmap.subsettable.get(name)
|
|
|
if subset not in possiblefilters:
|
|
|
break
|
|
|
else:
|
|
|
assert False, 'subset cycle %s!' % possiblefilters
|
|
|
allfilters.append(name)
|
|
|
possiblefilters.remove(name)
|
|
|
|
|
|
# warm the cache
|
|
|
if not full:
|
|
|
for name in allfilters:
|
|
|
repo.filtered(name).branchmap()
|
|
|
# add unfiltered
|
|
|
allfilters.append(None)
|
|
|
oldread = branchmap.read
|
|
|
oldwrite = branchmap.branchcache.write
|
|
|
try:
|
|
|
branchmap.read = lambda repo: None
|
|
|
branchmap.write = lambda repo: None
|
|
|
for name in allfilters:
|
|
|
timer(getbranchmap(name), title=str(name))
|
|
|
finally:
|
|
|
branchmap.read = oldread
|
|
|
branchmap.branchcache.write = oldwrite
|
|
|
fm.end()
|
|
|
|
|
|
@command('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(repo.svfs)))
|
|
|
fm.end()
|
|
|
|
|
|
@command('perflrucachedict', formatteropts +
|
|
|
[('', 'size', 4, 'size of cache'),
|
|
|
('', 'gets', 10000, 'number of key lookups'),
|
|
|
('', 'sets', 10000, 'number of key sets'),
|
|
|
('', 'mixed', 10000, 'number of mixed mode operations'),
|
|
|
('', 'mixedgetfreq', 50, 'frequency of get vs set ops in mixed mode')],
|
|
|
norepo=True)
|
|
|
def perflrucache(ui, size=4, gets=10000, sets=10000, mixed=10000,
|
|
|
mixedgetfreq=50, **opts):
|
|
|
def doinit():
|
|
|
for i in xrange(10000):
|
|
|
util.lrucachedict(size)
|
|
|
|
|
|
values = []
|
|
|
for i in xrange(size):
|
|
|
values.append(random.randint(0, sys.maxint))
|
|
|
|
|
|
# Get mode fills the cache and tests raw lookup performance with no
|
|
|
# eviction.
|
|
|
getseq = []
|
|
|
for i in xrange(gets):
|
|
|
getseq.append(random.choice(values))
|
|
|
|
|
|
def dogets():
|
|
|
d = util.lrucachedict(size)
|
|
|
for v in values:
|
|
|
d[v] = v
|
|
|
for key in getseq:
|
|
|
value = d[key]
|
|
|
value # silence pyflakes warning
|
|
|
|
|
|
# Set mode tests insertion speed with cache eviction.
|
|
|
setseq = []
|
|
|
for i in xrange(sets):
|
|
|
setseq.append(random.randint(0, sys.maxint))
|
|
|
|
|
|
def dosets():
|
|
|
d = util.lrucachedict(size)
|
|
|
for v in setseq:
|
|
|
d[v] = v
|
|
|
|
|
|
# Mixed mode randomly performs gets and sets with eviction.
|
|
|
mixedops = []
|
|
|
for i in xrange(mixed):
|
|
|
r = random.randint(0, 100)
|
|
|
if r < mixedgetfreq:
|
|
|
op = 0
|
|
|
else:
|
|
|
op = 1
|
|
|
|
|
|
mixedops.append((op, random.randint(0, size * 2)))
|
|
|
|
|
|
def domixed():
|
|
|
d = util.lrucachedict(size)
|
|
|
|
|
|
for op, v in mixedops:
|
|
|
if op == 0:
|
|
|
try:
|
|
|
d[v]
|
|
|
except KeyError:
|
|
|
pass
|
|
|
else:
|
|
|
d[v] = v
|
|
|
|
|
|
benches = [
|
|
|
(doinit, 'init'),
|
|
|
(dogets, 'gets'),
|
|
|
(dosets, 'sets'),
|
|
|
(domixed, 'mixed')
|
|
|
]
|
|
|
|
|
|
for fn, title in benches:
|
|
|
timer, fm = gettimer(ui, opts)
|
|
|
timer(fn, title=title)
|
|
|
fm.end()
|
|
|
|