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From: "Steven Hartland" <killing@multiplay.co.uk>
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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)
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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


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