Date: Tue, 9 May 2006 19:06:26 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Julian Elischer" <julian@elischer.org>, "Sven Petai" <hadara@bsd.ee> Cc: freebsd-performance@freebsd.org, Kris Kennaway <kris@obsecurity.org>, current@freebsd.org, David Xu <davidxu@freebsd.org> Subject: Re: Fine-grained locking for POSIX local sockets (UNIXdomain sockets) Message-ID: <004501c67393$4d4aeae0$b3db87d4@multiplay.co.uk> References: <20060506150622.C17611@fledge.watson.org> <200605090335.00451.hadara@bsd.ee> <20060509004203.GA55852@xor.obsecurity.org><200605091818.12676.hadara@bsd.ee> <4460D2CA.5090808@elischer.org>
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Julian Elischer wrote: > are there any patches that take the gettimeofday() calls and replace > them with something that is cheap > such as only doing every 10th one and just returning the last value > ++ 1 > uSec for the other ones.. > > a ktrace of Mysql shows a LOT of gettimeofday() calls. Yes there are check out the following: http://wikitest.freebsd.org/moin.cgi/MySQL http://phk.freebsd.dk/patch/ Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone (023) 8024 3137 or return the E.mail to postmaster@multiplay.co.uk.
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