Mercurial > hg
view contrib/perf.py @ 10092:f1bf64abcb1b stable
doc/Makefile: Fix rst2html detection
Displaying the output from the failing call to "which" didn't prevent
make from doing stupid things later. We now only search for "rst2html"
and fallback to "rst2html.py". If neither name is found, make will
eventually abort when we try to use $(RST2HTML).
author | Mads Kiilerich <mads@kiilerich.com> |
---|---|
date | Wed, 16 Dec 2009 23:59:50 +0100 |
parents | d768614578dd |
children | 2fcbef9a349a |
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# perf.py - performance test routines '''helper extension to measure performance''' from mercurial import cmdutil, match, commands import time, os, sys def timer(func, title=None): results = [] begin = time.time() count = 0 while 1: 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 = cmdutil.match(repo, pats, {}) timer(lambda: len(list(repo.dirstate.walk(m, True, False)))) except: try: m = cmdutil.match(repo, pats, {}) timer(lambda: len([b for a,b,c in repo.dirstate.statwalk([], m)])) except: 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 perfheads(ui, repo): timer(lambda: len(repo.changelog.heads())) 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 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 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 perfindex(ui, repo): import mercurial.changelog def d(): t = repo.changelog.tip() repo.changelog = mercurial.changelog.changelog(repo.sopener) repo.changelog._loadindexmap() 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 perflog(ui, repo): ui.pushbuffer() timer(lambda: commands.log(ui, repo, rev=[], date='', user='')) 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 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) cmdtable = { 'perflookup': (perflookup, []), 'perfparents': (perfparents, []), 'perfstartup': (perfstartup, []), 'perfstatus': (perfstatus, []), 'perfwalk': (perfwalk, []), 'perfmanifest': (perfmanifest, []), 'perfindex': (perfindex, []), 'perfheads': (perfheads, []), 'perftags': (perftags, []), 'perfdirstate': (perfdirstate, []), 'perfdirstatedirs': (perfdirstate, []), 'perflog': (perflog, []), 'perftemplating': (perftemplating, []), 'perfdiffwd': (perfdiffwd, []), }