author | Bryan O'Sullivan <bryano@fb.com> |
Mon, 03 Dec 2012 13:17:01 -0800 | |
changeset 18027 | 4ca434500dbf |
parent 17780 | 769f66861eb8 |
child 18033 | 00ac420f24ee |
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, util, 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 True: |
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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[None], pats, {}) |
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timer(lambda: len(list(repo.dirstate.walk(m, [], True, False)))) |
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except Exception: |
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try: |
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m = scmutil.match(repo[None], pats, {}) |
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timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)])) |
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except Exception: |
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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, |
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# False)))) |
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timer(lambda: sum(map(len, repo.status()))) |
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def clearcaches(cl): |
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# behave somewhat consistently across internal API changes |
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if util.safehasattr(cl, 'clearcaches'): |
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cl.clearcaches() |
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elif util.safehasattr(cl, '_nodecache'): |
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from mercurial.node import nullid, nullrev |
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cl._nodecache = {nullid: nullrev} |
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cl._nodepos = None |
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def perfheads(ui, repo): |
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cl = repo.changelog |
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def d(): |
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len(cl.headrevs()) |
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clearcaches(cl) |
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timer(d) |
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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 perfancestors(ui, repo): |
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heads = repo.changelog.headrevs() |
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def d(): |
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for a in repo.changelog.ancestors(heads): |
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pass |
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timer(d) |
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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 perfdirstatewrite(ui, repo): |
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ds = repo.dirstate |
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"a" in ds |
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def d(): |
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ds._dirty = True |
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ds.write() |
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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 perfchangeset(ui, repo, rev): |
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n = repo[rev].node() |
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def d(): |
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c = repo.changelog.read(n) |
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#repo.changelog._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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cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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cl.rev(n) |
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timer(d) |
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126 |
|
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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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132 |
|
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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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135 |
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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139 |
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def perflookup(ui, repo, rev): |
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timer(lambda: len(repo.lookup(rev))) |
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142 |
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def perfrevrange(ui, repo, *specs): |
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revrange = scmutil.revrange |
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timer(lambda: len(revrange(repo, specs))) |
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def perfnodelookup(ui, repo, rev): |
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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[rev].node() |
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def d(): |
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cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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cl.rev(n) |
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timer(d) |
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def perfnodelookup(ui, repo, rev): |
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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[rev].node() |
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cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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def d(): |
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cl.rev(n) |
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clearcaches(cl) |
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timer(d) |
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165 |
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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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171 |
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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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176 |
' {author|person}: {desc|firstline}\n')) |
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ui.popbuffer() |
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178 |
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179 |
def perfcca(ui, repo): |
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timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate)) |
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181 |
|
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182 |
def perffncacheload(ui, repo): |
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s = repo.store |
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184 |
def d(): |
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185 |
s.fncache._load() |
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186 |
timer(d) |
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187 |
|
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188 |
def perffncachewrite(ui, repo): |
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s = repo.store |
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s.fncache._load() |
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191 |
def d(): |
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192 |
s.fncache._dirty = True |
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193 |
s.fncache.write() |
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194 |
timer(d) |
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195 |
|
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196 |
def perffncacheencode(ui, repo): |
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197 |
s = repo.store |
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|
198 |
s.fncache._load() |
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|
199 |
def d(): |
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|
200 |
for p in s.fncache.entries: |
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|
201 |
s.encode(p) |
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|
202 |
timer(d) |
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|
203 |
|
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204 |
def perfdiffwd(ui, repo): |
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205 |
"""Profile diff of working directory changes""" |
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|
206 |
options = { |
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|
207 |
'w': 'ignore_all_space', |
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208 |
'b': 'ignore_space_change', |
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209 |
'B': 'ignore_blank_lines', |
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210 |
} |
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|
211 |
|
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212 |
for diffopt in ('', 'w', 'b', 'B', 'wB'): |
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213 |
opts = dict((options[c], '1') for c in diffopt) |
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214 |
def d(): |
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215 |
ui.pushbuffer() |
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|
216 |
commands.diff(ui, repo, **opts) |
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217 |
ui.popbuffer() |
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218 |
title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none') |
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219 |
timer(d, title) |
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220 |
|
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|
221 |
def perfrevlog(ui, repo, file_, **opts): |
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222 |
from mercurial import revlog |
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|
223 |
dist = opts['dist'] |
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|
224 |
def d(): |
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|
225 |
r = revlog.revlog(lambda fn: open(fn, 'rb'), file_) |
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|
226 |
for x in xrange(0, len(r), dist): |
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|
227 |
r.revision(r.node(x)) |
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228 |
|
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229 |
timer(d) |
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230 |
|
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|
231 |
cmdtable = { |
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|
232 |
'perfcca': (perfcca, []), |
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233 |
'perffncacheload': (perffncacheload, []), |
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234 |
'perffncachewrite': (perffncachewrite, []), |
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'perffncacheencode': (perffncacheencode, []), |
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236 |
'perflookup': (perflookup, []), |
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237 |
'perfrevrange': (perfrevrange, []), |
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'perfnodelookup': (perfnodelookup, []), |
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|
239 |
'perfparents': (perfparents, []), |
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|
240 |
'perfstartup': (perfstartup, []), |
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|
241 |
'perfstatus': (perfstatus, []), |
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|
242 |
'perfwalk': (perfwalk, []), |
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|
243 |
'perfmanifest': (perfmanifest, []), |
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'perfchangeset': (perfchangeset, []), |
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'perfindex': (perfindex, []), |
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'perfheads': (perfheads, []), |
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'perftags': (perftags, []), |
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perf: add a perfancestors benchmark
Bryan O'Sullivan <bryano@fb.com>
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'perfancestors': (perfancestors, []), |
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'perfdirstate': (perfdirstate, []), |
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'perfdirstatedirs': (perfdirstate, []), |
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'perfdirstatewrite': (perfdirstatewrite, []), |
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perf.perflog: add option to follow renames
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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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contrib/perf: profile diff of working directory changes
Patrick Mezard <pmezard@gmail.com>
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'perfdiffwd': (perfdiffwd, []), |
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Nicolas Dumazet <nicdumz.commits@gmail.com>
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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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} |