Mercurial > hg
view contrib/perf.py @ 17295:1f08ecc7febb stable
pushkey: splits obsolete marker exchange into multiple keys
Obsolete markers are now exchanged in smaller pieces that fit in a http header.
This changes is done to avoid 400 bad request error when exchanging obsolete
puskey over http.
The last key pushed is always hold by the "dump0" key to ensure an easy place to
hook for people who need it.
author | Pierre-Yves David <pierre-yves.david@logilab.fr> |
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date | Fri, 27 Jul 2012 18:32:56 +0200 |
parents | 01c1ee4bd1dd |
children | 5ab863922e0f |
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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, *pats): #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()))) 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 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): from mercurial import scmutil, store s = store.store(set(['store','fncache']), repo.path, scmutil.opener) def d(): s.fncache._load() timer(d) def perffncachewrite(ui, repo): from mercurial import scmutil, store s = store.store(set(['store','fncache']), repo.path, scmutil.opener) s.fncache._load() def d(): s.fncache._dirty = True s.fncache.write() 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) cmdtable = { 'perfcca': (perfcca, []), 'perffncacheload': (perffncacheload, []), 'perffncachewrite': (perffncachewrite, []), 'perflookup': (perflookup, []), 'perfrevrange': (perfrevrange, []), 'perfnodelookup': (perfnodelookup, []), 'perfparents': (perfparents, []), 'perfstartup': (perfstartup, []), 'perfstatus': (perfstatus, []), 'perfwalk': (perfwalk, []), 'perfmanifest': (perfmanifest, []), 'perfchangeset': (perfchangeset, []), 'perfindex': (perfindex, []), 'perfheads': (perfheads, []), 'perftags': (perftags, []), 'perfancestors': (perfancestors, []), '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]"), }