Mercurial > hg
view contrib/perf.py @ 18115:6db318a15a12
bundlerepo: use _cacheabletip mechanism in bundlerepo
Instead of preventing any cache write we allow writing cache for all content of
the original repo.
The motivation for this change is to drop the custom _writebranchcache of
bundlerepo to help extraction of the branchmap logic out of localrepo.
author | Pierre-Yves David <pierre-yves.david@logilab.fr> |
---|---|
date | Thu, 20 Dec 2012 12:17:44 +0100 |
parents | f7f8159caad3 |
children | 819520ca213d |
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# perf.py - performance test routines '''helper extension to measure performance''' from mercurial import cmdutil, scmutil, util, match, commands import time, os, sys def timer(func, title=None): results = [] begin = time.time() count = 0 while True: ostart = os.times() cstart = time.time() r = func() cstop = time.time() ostop = os.times() count += 1 a, b = ostart, ostop results.append((cstop - cstart, b[0] - a[0], b[1]-a[1])) if cstop - begin > 3 and count >= 100: break if cstop - begin > 10 and count >= 3: break if title: sys.stderr.write("! %s\n" % title) if r: sys.stderr.write("! result: %s\n" % r) m = min(results) sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n" % (m[0], m[1] + m[2], m[1], m[2], count)) def perfwalk(ui, repo, *pats): try: m = scmutil.match(repo[None], pats, {}) timer(lambda: len(list(repo.dirstate.walk(m, [], True, False)))) except Exception: try: m = scmutil.match(repo[None], pats, {}) timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)])) except Exception: timer(lambda: len(list(cmdutil.walk(repo, pats, {})))) def perfstatus(ui, repo, **opts): #m = match.always(repo.root, repo.getcwd()) #timer(lambda: sum(map(len, repo.dirstate.status(m, [], False, False, # False)))) timer(lambda: sum(map(len, repo.status(**opts)))) def clearcaches(cl): # behave somewhat consistently across internal API changes if util.safehasattr(cl, 'clearcaches'): cl.clearcaches() elif util.safehasattr(cl, '_nodecache'): from mercurial.node import nullid, nullrev cl._nodecache = {nullid: nullrev} cl._nodepos = None def perfheads(ui, repo): cl = repo.changelog def d(): len(cl.headrevs()) clearcaches(cl) timer(d) def perftags(ui, repo): import mercurial.changelog, mercurial.manifest def t(): repo.changelog = mercurial.changelog.changelog(repo.sopener) repo.manifest = mercurial.manifest.manifest(repo.sopener) repo._tags = None return len(repo.tags()) timer(t) def perfancestors(ui, repo): heads = repo.changelog.headrevs() def d(): for a in repo.changelog.ancestors(heads): pass timer(d) def perfancestorset(ui, repo, revset): revs = repo.revs(revset) heads = repo.changelog.headrevs() def d(): s = repo.changelog.ancestors(heads) for rev in revs: rev in s timer(d) def perfdirstate(ui, repo): "a" in repo.dirstate def d(): repo.dirstate.invalidate() "a" in repo.dirstate timer(d) def perfdirstatedirs(ui, repo): "a" in repo.dirstate def d(): "a" in repo.dirstate._dirs del repo.dirstate._dirs timer(d) def perfdirstatewrite(ui, repo): ds = repo.dirstate "a" in ds def d(): ds._dirty = True ds.write() timer(d) def perfmanifest(ui, repo): def d(): t = repo.manifest.tip() m = repo.manifest.read(t) repo.manifest.mapcache = None repo.manifest._cache = None timer(d) def perfchangeset(ui, repo, rev): n = repo[rev].node() def d(): c = repo.changelog.read(n) #repo.changelog._cache = None timer(d) def perfindex(ui, repo): import mercurial.revlog mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg n = repo["tip"].node() def d(): cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") cl.rev(n) timer(d) def perfstartup(ui, repo): cmd = sys.argv[0] def d(): os.system("HGRCPATH= %s version -q > /dev/null" % cmd) timer(d) def perfparents(ui, repo): nl = [repo.changelog.node(i) for i in xrange(1000)] def d(): for n in nl: repo.changelog.parents(n) timer(d) def perflookup(ui, repo, rev): timer(lambda: len(repo.lookup(rev))) def perfrevrange(ui, repo, *specs): revrange = scmutil.revrange timer(lambda: len(revrange(repo, specs))) def perfnodelookup(ui, repo, rev): import mercurial.revlog mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg n = repo[rev].node() def d(): cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") cl.rev(n) timer(d) def perfnodelookup(ui, repo, rev): import mercurial.revlog mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg n = repo[rev].node() cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") def d(): cl.rev(n) clearcaches(cl) timer(d) def perflog(ui, repo, **opts): ui.pushbuffer() timer(lambda: commands.log(ui, repo, rev=[], date='', user='', copies=opts.get('rename'))) ui.popbuffer() def perftemplating(ui, repo): ui.pushbuffer() timer(lambda: commands.log(ui, repo, rev=[], date='', user='', template='{date|shortdate} [{rev}:{node|short}]' ' {author|person}: {desc|firstline}\n')) ui.popbuffer() def perfcca(ui, repo): timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate)) def perffncacheload(ui, repo): s = repo.store def d(): s.fncache._load() timer(d) def perffncachewrite(ui, repo): s = repo.store s.fncache._load() def d(): s.fncache._dirty = True s.fncache.write() timer(d) def perffncacheencode(ui, repo): s = repo.store s.fncache._load() def d(): for p in s.fncache.entries: s.encode(p) timer(d) def perfdiffwd(ui, repo): """Profile diff of working directory changes""" 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) def perfrevlog(ui, repo, file_, **opts): from mercurial import revlog dist = opts['dist'] 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) def perfrevset(ui, repo, expr): def d(): repo.revs(expr) timer(d) cmdtable = { 'perfcca': (perfcca, []), 'perffncacheload': (perffncacheload, []), 'perffncachewrite': (perffncachewrite, []), 'perffncacheencode': (perffncacheencode, []), 'perflookup': (perflookup, []), 'perfrevrange': (perfrevrange, []), 'perfnodelookup': (perfnodelookup, []), 'perfparents': (perfparents, []), 'perfstartup': (perfstartup, []), 'perfstatus': (perfstatus, [('u', 'unknown', False, 'ask status to look for unknown files')]), 'perfwalk': (perfwalk, []), 'perfmanifest': (perfmanifest, []), 'perfchangeset': (perfchangeset, []), 'perfindex': (perfindex, []), 'perfheads': (perfheads, []), 'perftags': (perftags, []), 'perfancestors': (perfancestors, []), 'perfancestorset': (perfancestorset, [], "REVSET"), 'perfdirstate': (perfdirstate, []), 'perfdirstatedirs': (perfdirstate, []), 'perfdirstatewrite': (perfdirstatewrite, []), 'perflog': (perflog, [('', 'rename', False, 'ask log to follow renames')]), 'perftemplating': (perftemplating, []), 'perfdiffwd': (perfdiffwd, []), 'perfrevlog': (perfrevlog, [('d', 'dist', 100, 'distance between the revisions')], "[INDEXFILE]"), 'perfrevset': (perfrevset, [], "REVSET") }