Date: Tue, 9 May 2006 22:07:08 +0400 (MSD) From: Maxim Konovalov <maxim@macomnet.ru> To: Julian Elischer <julian@elischer.org> 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 (UNIX domain sockets) Message-ID: <20060509220230.W46073@mp2.macomnet.net> In-Reply-To: <4460D2CA.5090808@elischer.org> 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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On Tue, 9 May 2006, 10:35-0700, Julian Elischer wrote: > Sven Petai 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. [...] Robert posted them. I failed to found these messages in our archives (does mailman archive messages properly?) and put them there: http://maxim.int.ru/stuff/gtd/ We used to use a very similar approch on RELENG_4 and found it helped a lot. -- Maxim Konovalov
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