Mercurial > hg
view contrib/perf.py @ 9622:9d1a480ca6ea
gendoc: fix synopsis
The synopsis is used as an inline literal when generating the manpage.
There should not be any whitespace on the inside of the quotation
marks in inline literals.
Commands with an empty synopsis (such as tags) produces ``tags `` as
synopsis, which triggers a warning.
author | Martin Geisler <mg@lazybytes.net> |
---|---|
date | Tue, 20 Oct 2009 22:42:49 +0200 |
parents | 5614a628d173 |
children | d768614578dd |
line wrap: on
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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): 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 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() 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, []), }