This change stops sleekxmpp from spending huge amounts of time unnecessarily computing logging data that may never be used. This is a HUGE performance improvement; in some of my test runs, unnecessary string creation was accounting for > 60% of all CPU time.

Note that using % in a string will _always_ perform the sting substitutions, because the strings are constructed before the function is called. So log.debug('%s' % expensiveoperation()) will take about the same CPU time whether or not the logging level is DEBUG or INFO. if you use , no substitutions are performed unless the string is actually logged
This commit is contained in:
Vijay Pandurangan
2011-11-19 11:30:44 -08:00
parent 7945b3e738
commit 6f3cc77bb5
23 changed files with 69 additions and 72 deletions

View File

@@ -122,14 +122,14 @@ if __name__ == '__main__':
logging.basicConfig(level=opts.loglevel, format='%(levelname)-8s %(message)s')
#load xml config
logging.info("Loading config file: %s" % opts.configfile)
logging.info("Loading config file: %s" , opts.configfile)
config = configparser.RawConfigParser()
config.read(opts.configfile)
#init
logging.info("Account 1 is %s" % config.get('account1', 'jid'))
logging.info("Account 1 is %s" , config.get('account1', 'jid'))
xmpp1 = TestClient(config.get('account1','jid'), config.get('account1','pass'))
logging.info("Account 2 is %s" % config.get('account2', 'jid'))
logging.info("Account 2 is %s" , config.get('account2', 'jid'))
xmpp2 = TestClient(config.get('account2','jid'), config.get('account2','pass'))
xmpp1.registerPlugin('xep_0004')

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@@ -186,14 +186,14 @@ if __name__ == '__main__':
logging.basicConfig(level=opts.loglevel, format='%(levelname)-8s %(message)s')
#load xml config
logging.info("Loading config file: %s" % opts.configfile)
logging.info("Loading config file: %s" , opts.configfile)
config = configparser.RawConfigParser()
config.read(opts.configfile)
#init
logging.info("Account 1 is %s" % config.get('account1', 'jid'))
logging.info("Account 1 is %s" , config.get('account1', 'jid'))
xmpp1 = TestClient(config.get('account1','jid'), config.get('account1','pass'))
logging.info("Account 2 is %s" % config.get('account2', 'jid'))
logging.info("Account 2 is %s" , config.get('account2', 'jid'))
xmpp2 = TestClient(config.get('account2','jid'), config.get('account2','pass'))
xmpp1.registerPlugin('xep_0004')

View File

@@ -329,11 +329,11 @@ if __name__ == '__main__':
logging.basicConfig(level=opts.loglevel, format='%(levelname)-8s %(message)s')
#load xml config
logging.info("Loading config file: %s" % opts.configfile)
logging.info("Loading config file: %s" , opts.configfile)
config = ET.parse(os.path.expanduser(opts.configfile)).find('auth')
#init
logging.info("Logging in as %s" % config.attrib['jid'])
logging.info("Logging in as %s" , config.attrib['jid'])
plugin_config = {}