Mercurial > hg
view hgext/inotify/client.py @ 16719:e7bf09acd410
localrepo: add branchtip() method for faster single-branch lookups
For the PyPy repo with 744 branches and 843 branch heads, this brings
hg log -r default over NFS from:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
3249 0 1.3222 1.3222 <open>
3244 0 0.6211 0.6211 <method 'close' of 'file' objects>
3243 0 0.0800 0.0800 <method 'read' of 'file' objects>
3241 0 0.0660 0.0660 <method 'seek' of 'file' objects>
3905 0 0.0476 0.0476 <zlib.decompress>
3281 0 2.6756 0.0472 mercurial.changelog:182(read)
+3281 0 2.5256 0.0453 +mercurial.revlog:881(revision)
+3276 0 0.0389 0.0196 +mercurial.changelog:28(decodeextra)
+6562 0 0.0123 0.0123 +<method 'split' of 'str' objects>
+6562 0 0.0408 0.0073 +mercurial.encoding:61(tolocal)
+3281 0 0.0054 0.0054 +<method 'index' of 'str' objects>
3241 0 2.2464 0.0456 mercurial.revlog:818(_loadchunk)
+3241 0 0.6205 0.6205 +<method 'close' of 'file' objects>
+3241 0 0.0765 0.0765 +<method 'read' of 'file' objects>
+3241 0 0.0660 0.0660 +<method 'seek' of 'file' objects>
+3241 0 1.4209 0.0135 +mercurial.store:374(__call__)
+3241 0 0.0122 0.0107 +mercurial.revlog:810(_addchunk)
3281 0 2.5256 0.0453 mercurial.revlog:881(revision)
+3280 0 0.0175 0.0175 +mercurial.revlog:305(rev)
+3281 0 2.2819 0.0119 +mercurial.revlog:847(_chunkraw)
+3281 0 0.0603 0.0083 +mercurial.revlog:945(_checkhash)
+3281 0 0.0051 0.0051 +mercurial.revlog:349(flags)
+3281 0 0.0040 0.0040 +<mercurial.mpatch.patches>
13682 0 0.0479 0.0248 <method 'decode' of 'str' objects>
+7418 0 0.0228 0.0076 +encodings.utf_8:15(decode)
+1 0 0.0003 0.0000 +encodings:71(search_function)
3248 0 1.3995 0.0246 mercurial.scmutil:218(__call__)
+3248 0 1.3222 1.3222 +<open>
+3248 0 0.0235 0.0184 +os.path:80(split)
+3248 0 0.0084 0.0068 +mercurial.scmutil:92(__call__)
Time: real 2.750 secs (user 0.680+0.000 sys 0.360+0.000)
down to:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
55 31 0.0197 0.0163 <__import__>
+1 0 0.0006 0.0002 +mercurial.context:8(<module>)
+1 0 0.0042 0.0001 +mercurial.revlog:12(<module>)
+1 0 0.0002 0.0001 +mercurial.match:8(<module>)
+1 0 0.0003 0.0001 +mercurial.dirstate:7(<module>)
+1 0 0.0057 0.0001 +mercurial.changelog:8(<module>)
1 0 0.0117 0.0032 mercurial.localrepo:525(_readbranchcache)
+844 0 0.0015 0.0015 +<binascii.unhexlify>
+845 0 0.0010 0.0010 +<method 'split' of 'str' objects>
+843 0 0.0045 0.0009 +mercurial.encoding:61(tolocal)
+843 0 0.0004 0.0004 +<method 'setdefault' of 'dict' objects>
+1 0 0.0003 0.0003 +<method 'close' of 'file' objects>
3 0 0.0029 0.0029 <method 'read' of 'file' objects>
9 0 0.0018 0.0018 <open>
990 0 0.0017 0.0017 <binascii.unhexlify>
53 0 0.0016 0.0016 mercurial.demandimport:43(__init__)
862 0 0.0015 0.0015 <_codecs.utf_8_decode>
862 0 0.0037 0.0014 <method 'decode' of 'str' objects>
+862 0 0.0023 0.0008 +encodings.utf_8:15(decode)
981 0 0.0011 0.0011 <method 'split' of 'str' objects>
861 0 0.0046 0.0009 mercurial.encoding:61(tolocal)
+861 0 0.0037 0.0014 +<method 'decode' of 'str' objects>
862 0 0.0023 0.0008 encodings.utf_8:15(decode)
+862 0 0.0015 0.0015 +<_codecs.utf_8_decode>
4 0 0.0008 0.0008 <method 'close' of 'file' objects>
179 154 0.0202 0.0004 mercurial.demandimport:83(__getattribute__)
+36 11 0.0199 0.0003 +mercurial.demandimport:55(_load)
+72 0 0.0001 0.0001 +mercurial.demandimport:83(__getattribute__)
+36 0 0.0000 0.0000 +<getattr>
1 0 0.0015 0.0004 mercurial.tags:148(_readtagcache)
Time: real 0.060 secs (user 0.030+0.000 sys 0.010+0.000)
author | Brodie Rao <brodie@sf.io> |
---|---|
date | Sun, 13 May 2012 14:04:04 +0200 |
parents | 516b000fbb7e |
children | 10103caea69d |
line wrap: on
line source
# client.py - inotify status client # # Copyright 2006, 2007, 2008 Bryan O'Sullivan <bos@serpentine.com> # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com> # Copyright 2009 Nicolas Dumazet <nicdumz@gmail.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from mercurial.i18n import _ import common, server import errno, os, socket, struct class QueryFailed(Exception): pass def start_server(function): """ Decorator. Tries to call function, if it fails, try to (re)start inotify server. Raise QueryFailed if something went wrong """ def decorated_function(self, *args): try: return function(self, *args) except (OSError, socket.error), err: autostart = self.ui.configbool('inotify', 'autostart', True) if err.args[0] == errno.ECONNREFUSED: self.ui.warn(_('inotify-client: found dead inotify server ' 'socket; removing it\n')) os.unlink(os.path.join(self.root, '.hg', 'inotify.sock')) if err.args[0] in (errno.ECONNREFUSED, errno.ENOENT) and autostart: try: try: server.start(self.ui, self.dirstate, self.root, dict(daemon=True, daemon_pipefds='')) except server.AlreadyStartedException, inst: # another process may have started its own # inotify server while this one was starting. self.ui.debug(str(inst)) except Exception, inst: self.ui.warn(_('inotify-client: could not start inotify ' 'server: %s\n') % inst) else: try: return function(self, *args) except socket.error, err: self.ui.warn(_('inotify-client: could not talk to new ' 'inotify server: %s\n') % err.args[-1]) elif err.args[0] in (errno.ECONNREFUSED, errno.ENOENT): # silently ignore normal errors if autostart is False self.ui.debug('(inotify server not running)\n') else: self.ui.warn(_('inotify-client: failed to contact inotify ' 'server: %s\n') % err.args[-1]) self.ui.traceback() raise QueryFailed('inotify query failed') return decorated_function class client(object): def __init__(self, ui, repo): self.ui = ui self.dirstate = repo.dirstate self.root = repo.root self.sock = socket.socket(socket.AF_UNIX) def _connect(self): sockpath = os.path.join(self.root, '.hg', 'inotify.sock') try: self.sock.connect(sockpath) except socket.error, err: if err.args[0] == "AF_UNIX path too long": sockpath = os.readlink(sockpath) self.sock.connect(sockpath) else: raise def _send(self, type, data): """Sends protocol version number, and the data""" self.sock.sendall(chr(common.version) + type + data) self.sock.shutdown(socket.SHUT_WR) def _receive(self, type): """ Read data, check version number, extract headers, and returns a tuple (data descriptor, header) Raises QueryFailed on error """ cs = common.recvcs(self.sock) try: version = ord(cs.read(1)) except TypeError: # empty answer, assume the server crashed self.ui.warn(_('inotify-client: received empty answer from inotify ' 'server')) raise QueryFailed('server crashed') if version != common.version: self.ui.warn(_('(inotify: received response from incompatible ' 'server version %d)\n') % version) raise QueryFailed('incompatible server version') readtype = cs.read(4) if readtype != type: self.ui.warn(_('(inotify: received \'%s\' response when expecting' ' \'%s\')\n') % (readtype, type)) raise QueryFailed('wrong response type') hdrfmt = common.resphdrfmts[type] hdrsize = common.resphdrsizes[type] try: resphdr = struct.unpack(hdrfmt, cs.read(hdrsize)) except struct.error: raise QueryFailed('unable to retrieve query response headers') return cs, resphdr def query(self, type, req): self._connect() self._send(type, req) return self._receive(type) @start_server def statusquery(self, names, match, ignored, clean, unknown=True): def genquery(): for n in names: yield n states = 'almrx!' if ignored: raise ValueError('this is insanity') if clean: states += 'c' if unknown: states += '?' yield states req = '\0'.join(genquery()) cs, resphdr = self.query('STAT', req) def readnames(nbytes): if nbytes: names = cs.read(nbytes) if names: return filter(match, names.split('\0')) return [] results = tuple(map(readnames, resphdr[:-1])) if names: nbytes = resphdr[-1] vdirs = cs.read(nbytes) if vdirs: for vdir in vdirs.split('\0'): match.dir(vdir) return results @start_server def debugquery(self): cs, resphdr = self.query('DBUG', '') nbytes = resphdr[0] names = cs.read(nbytes) return names.split('\0')