author | Idan Kamara <idankk86@gmail.com> |
Fri, 27 May 2011 17:51:16 +0300 | |
changeset 14449 | 7d171c05a631 |
parent 14322 | a90131b85fd8 |
child 14494 | 1ffeeb91c55d |
permissions | -rw-r--r-- |
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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, match, commands |
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import time, os, sys |
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def timer(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 1: |
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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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if title: |
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sys.stderr.write("! %s\n" % title) |
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if r: |
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sys.stderr.write("! result: %s\n" % r) |
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m = min(results) |
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sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n" |
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% (m[0], m[1] + m[2], m[1], m[2], count)) |
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def perfwalk(ui, repo, *pats): |
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try: |
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m = scmutil.match(repo, pats, {}) |
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timer(lambda: len(list(repo.dirstate.walk(m, [], True, False)))) |
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except: |
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try: |
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m = scmutil.match(repo, pats, {}) |
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timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)])) |
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except: |
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timer(lambda: len(list(cmdutil.walk(repo, pats, {})))) |
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def perfstatus(ui, repo, *pats): |
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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, False)))) |
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timer(lambda: sum(map(len, repo.status()))) |
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def perfheads(ui, repo): |
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timer(lambda: len(repo.changelog.heads())) |
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def perftags(ui, repo): |
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import mercurial.changelog, mercurial.manifest |
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def t(): |
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repo.changelog = mercurial.changelog.changelog(repo.sopener) |
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repo.manifest = mercurial.manifest.manifest(repo.sopener) |
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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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def perfdirstate(ui, repo): |
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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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def perfdirstatedirs(ui, repo): |
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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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def perfmanifest(ui, repo): |
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def d(): |
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t = repo.manifest.tip() |
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m = repo.manifest.read(t) |
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repo.manifest.mapcache = None |
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repo.manifest._cache = None |
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timer(d) |
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def perfindex(ui, repo): |
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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["tip"].node() |
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def d(): |
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repo.invalidate() |
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repo[n] |
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timer(d) |
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def perfstartup(ui, repo): |
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cmd = sys.argv[0] |
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def d(): |
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os.system("HGRCPATH= %s version -q > /dev/null" % cmd) |
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timer(d) |
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def perfparents(ui, repo): |
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nl = [repo.changelog.node(i) for i in xrange(1000)] |
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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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def perflookup(ui, repo, rev): |
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timer(lambda: len(repo.lookup(rev))) |
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def perflog(ui, repo, **opts): |
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ui.pushbuffer() |
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timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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copies=opts.get('rename'))) |
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ui.popbuffer() |
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def perftemplating(ui, repo): |
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ui.pushbuffer() |
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timer(lambda: commands.log(ui, repo, 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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def perfdiffwd(ui, repo): |
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"""Profile diff of working directory changes""" |
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options = { |
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'w': 'ignore_all_space', |
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'b': 'ignore_space_change', |
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'B': 'ignore_blank_lines', |
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} |
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for diffopt in ('', 'w', 'b', 'B', 'wB'): |
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opts = dict((options[c], '1') for c in diffopt) |
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def d(): |
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ui.pushbuffer() |
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commands.diff(ui, repo, **opts) |
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ui.popbuffer() |
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title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none') |
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timer(d, title) |
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def perfrevlog(ui, repo, file_, **opts): |
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from mercurial import revlog |
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dist = opts['dist'] |
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def d(): |
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r = revlog.revlog(lambda fn: open(fn, 'rb'), file_) |
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for x in xrange(0, len(r), dist): |
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r.revision(r.node(x)) |
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|
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timer(d) |
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cmdtable = { |
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'perflookup': (perflookup, []), |
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'perfparents': (perfparents, []), |
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'perfstartup': (perfstartup, []), |
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'perfstatus': (perfstatus, []), |
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'perfwalk': (perfwalk, []), |
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'perfmanifest': (perfmanifest, []), |
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'perfindex': (perfindex, []), |
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'perfheads': (perfheads, []), |
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'perftags': (perftags, []), |
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'perfdirstate': (perfdirstate, []), |
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'perfdirstatedirs': (perfdirstate, []), |
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'perflog': (perflog, |
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[('', 'rename', False, 'ask log to follow renames')]), |
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'perftemplating': (perftemplating, []), |
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'perfdiffwd': (perfdiffwd, []), |
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'perfrevlog': (perfrevlog, |
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[('d', 'dist', 100, 'distance between the revisions')], |
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"[INDEXFILE]"), |
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} |