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14a161093f
Summary: This removes the hard coded revs and paths used in the perf test script. Test Plan: Ran the perf test Reviewers: #fastmanifest, ttung Reviewed By: ttung Differential Revision: https://phabricator.intern.facebook.com/D3755335 Signature: t1:3755335:1471930070:e90a242a8f73d2fc32ea68bc99cae88b00af14c9
300 lines
9.8 KiB
Python
300 lines
9.8 KiB
Python
# perf-test.py - simple extension for perf testing manifest performance
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#
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# Copyright 2016 Facebook, Inc.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from mercurial import cmdutil, error, manifest, scmutil
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from mercurial.node import nullid
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from remotefilelog import datapack, contentstore, shallowutil
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import pdb, hashlib, os, time
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from fastmanifest.implementation import fastmanifestcache
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from fastmanifest import cachemanager
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import ctreemanifest
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cmdtable = {}
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command = cmdutil.command(cmdtable)
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testedwith = ''
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@command('testtree', [
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('', 'build', '', ''),
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('', 'test', '', ''),
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('', 'kind', '', ''),
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('i', 'iterations', '10', ''),
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('', 'revs', 'master + master~5', ''),
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], '')
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def testpackedtrees(ui, repo, *args, **opts):
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packpath = shallowutil.getpackpath(repo, 'manifest')
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if not os.path.exists(packpath):
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os.mkdir(packpath)
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opener = scmutil.vfs(packpath)
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if opts.get('build'):
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with datapack.mutabledatapack(opener) as newpack:
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buildtreepack(repo, newpack, opts.get('build'))
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newpack.close()
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packstore = datapack.datapackstore(opener.base,
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usecdatapack=ui.configbool('remotefilelog', 'fastdatapack'))
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unionstore = contentstore.unioncontentstore(packstore)
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ctxs = list(repo.set(opts.get('revs')))
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profiletreepack(repo, unionstore, ctxs[0].hex(), ctxs[1].hex(), opts)
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class cachestore(object):
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def __init__(self):
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self._cache = {}
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def get(self, name, node):
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return self._cache[(name, node)]
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def getdeltachain(self, name, node):
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data = self._cache[(name, node)]
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return [(name, node, name, nullid, data)]
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def add(self, name, node, data):
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self._cache[(name, node)] = data
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def buildtreepack(repo, pack, revs):
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mf = repo.manifest
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cache = cachestore()
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packstore = datapack.datapackstore(pack.opener.base)
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store = contentstore.unioncontentstore(cache, packstore)
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ctxs = list(repo.set(revs))
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for count, ctx in enumerate(ctxs):
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repo.ui.progress(('manifests'), count, total=len(ctxs))
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mfnode = ctx.manifestnode()
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try:
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store.get('', mfnode)
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continue
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except KeyError:
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pass
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try:
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# if we have the parent tree, let's use it
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p1, p2 = mf.parents(mfnode)
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p1rev = mf.rev(p1)
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mfrev = mf.rev(mfnode)
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store.get('', p1)
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if p2 == nullid and mf.deltaparent(mfrev) == p1rev:
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mfdelta = mf.readdelta(mfnode)
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adds = list((filename, n, f)
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for (filename, n, f) in mfdelta.iterentries())
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deletes = set(ctx.files()).difference(
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filename
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for filename, n, f in adds)
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else:
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mfctx = ctx.manifest()
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mfdiff = mf.read(p1).diff(mfctx)
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adds = list((f, bn, bf) for f, ((an, af), (bn, bf)) in
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mfdiff.iteritems() if bn is not None)
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deletes = list(f for f, ((an, af), (bn, bf)) in
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mfdiff.iteritems() if bn is None)
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tmfctx = read(store, '', p1).copy()
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for filename in deletes:
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del tmfctx[filename]
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for filename, n, f in adds:
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tmfctx[filename] = n
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tmfctx.setflag(filename, f)
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except KeyError:
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mfctx = ctx.manifest()
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tmfctx = manifest.treemanifest(text=mfctx.text())
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p1, p2 = mf.parents(mfnode)
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add(store, cache, pack, tmfctx, ctx.rev(), p1, p2,
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forcenode=ctx.manifestnode())
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repo.ui.progress(('manifests'), None)
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def add(store, cache, pack, mf, linkrev, p1, p2, forcenode=False):
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try:
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store.get(mf._dir, p1)
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p1mf = read(store, mf._dir, p1)
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except KeyError:
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p1mf = manifest.treemanifest()
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try:
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store.get(mf._dir, p2)
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p2mf = read(store, mf._dir, p2)
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except KeyError:
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p2mf = manifest.treemanifest()
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return _addtree(store, cache, pack, mf, linkrev,
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p1mf, p2mf, forcenode=forcenode)
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def read(store, dir, node):
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def gettext():
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return store.get(dir, node)
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def readsubtree(dir, subm):
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return read(store, dir, subm)
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m = manifest.treemanifest(dir=dir)
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m.read(gettext, readsubtree)
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m.setnode(node)
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return m
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def _addtree(store, cache, pack, m, linkrev, m1, m2, forcenode=False):
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# If the manifest is unchanged compared to one parent,
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# don't write a new revision
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if m.unmodifiedsince(m1) or m.unmodifiedsince(m2):
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return m.node()
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def writesubtree(subm, subp1, subp2):
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add(store, cache, pack, subm, linkrev, subp1, subp2)
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usemfv2 = False
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m1._load()
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m2._load()
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m.writesubtrees(m1, m2, writesubtree)
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text = m.dirtext(usemfv2)
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# Double-check whether contents are unchanged to one parent
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if text == m1.dirtext(usemfv2):
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n = m1.node()
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elif text == m2.dirtext(usemfv2):
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n = m2.node()
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else:
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n = hashlib.sha1(m1.node() + m2.node() + text).digest()
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# Save nodeid so parent manifest can calculate its nodeid
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if forcenode:
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n = forcenode
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try:
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store.get(m._dir, n)
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except KeyError:
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deltabase = nullid
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delta = text
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if False and m1.node() != nullid:
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deltabase = m1.node()
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delta = mdiff.textdiff(m1.dirtext(usemfv2), text)
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pack.add(m._dir, n, deltabase, delta)
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cache.add(m._dir, n, text)
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m.setnode(n)
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return n
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def profiletreepack(repo, store, rev1, rev2, opts):
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def exectest(name, count, prep, func):
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elapsed = 0
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elapsedprep = 0
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for i in xrange(0, count):
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args = []
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if prep:
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startprep = time.time()
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args = prep()
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elapsedprep += time.time() - startprep
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import gc
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gc.disable()
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start = time.time()
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func(*args)
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elapsed += time.time() - start
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gc.enable()
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gc.collect()
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repo.ui.progress(name, i, total=count)
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repo.ui.progress(name, None)
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total = elapsed + elapsedprep
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repo.ui.status(("%0.2f (%0.2f)" % (elapsedprep, elapsedprep / (count *
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1.0))).ljust(15))
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repo.ui.status(("%0.2f (%0.2f)" % (elapsed, elapsed / (count *
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1.0))).ljust(15))
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repo.ui.status(("%0.2f (%0.2f)" % (total, total / (count *
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1.0))).ljust(15))
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ctx1 = list(repo.set(rev1))[0]
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ctx2 = list(repo.set(rev2))[0]
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cachemanager.cachemanifestfillandtrim(
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repo.ui, repo, ['%s + %s' % (ctx1.rev(), ctx2.rev())])
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def treeconstructor(mfnode):
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return read(store, '', mfnode)
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def flatconstructor(mfnode):
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repo.manifest.clearcaches()
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return repo.manifest.read(mfnode)._flatmanifest()
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cacheopener = scmutil.vfs(repo.vfs.join('cache', 'fastmanifest_test'))
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if not os.path.exists(cacheopener.base):
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os.mkdir(cacheopener.base)
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manager = fastmanifestcache.getinstance(cacheopener, repo.ui)
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def fastconstructor(mfnode):
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repo.manifest.clearcaches()
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manager.inmemorycache.clear()
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return repo.manifest.read(mfnode)._cachedmanifest()
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class FakeStore(object):
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def __init__(self):
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self._cache = {}
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def get(self, filename, node):
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try:
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return self._cache[(filename, node)]
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except KeyError:
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result = store.get(filename, node)
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self._cache[(filename, node)] = result
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return result
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fakestore = FakeStore()
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def ctreeconstructor(mfnode):
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# Enable the fake store to remove blob lookup time
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#treemf = ctreemanifest.treemanifest(fakestore, mfnode)
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treemf = ctreemanifest.treemanifest(store, mfnode)
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return treemf
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# Test bodies
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def prepone(new):
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return [new(ctx1.manifestnode())]
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def preptwo(new):
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m1 = new(ctx1.manifestnode())
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m2 = new(ctx2.manifestnode())
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return m1, m2
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def diff(m1, m2):
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diff = m1.diff(m2)
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if len(diff) < 10000:
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raise error.Abort("diff only found %s items" % len(diff))
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def find(m1):
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findresult = m1.find('fbcode/hphp/test/run')
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if findresult == (None, None):
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raise error.Abort("None find result")
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def fulliter(m1):
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count = 0
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for x in m1:
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count += 1
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if count < 900000:
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raise error.Abort("fulliter only found %s files" % count)
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kindconstructor = {
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'tree': treeconstructor,
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'flat': flatconstructor,
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'fast': fastconstructor,
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'ctree': ctreeconstructor,
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}
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iterations = int(opts.get('iterations'))
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testopts = {
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'diff': (preptwo, diff, iterations),
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'find': (prepone, find, iterations),
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'fulliter': (prepone, fulliter, max(1, iterations / 2)),
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}
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tests = opts.get('test', 'all').split(',')
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if tests[0] in ['all', '']:
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tests = testopts.keys()
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kinds = opts.get('kind', 'all').split(',')
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if kinds[0] in ['all', '']:
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kinds = kindconstructor.keys()
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# Prime any caches
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for kind in kinds:
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preptwo(kindconstructor[kind])
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for test in tests:
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prepfunc, func, iterations = testopts[test]
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teststr = ('%s (%s)' % (test, iterations)).ljust(14)
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repo.ui.status(("\n%sPrep Run Total\n") %
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(teststr))
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for kind in kinds:
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repo.ui.status(("%s" % (kind)).ljust(14))
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def prep():
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return prepfunc(kindconstructor[kind])
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exectest(test, iterations, prep, func)
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repo.ui.status("\n")
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repo.ui.status("\n")
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