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Date: Fri, 27 Mar 2009 21:06:53 +0700
From: Eugene Grosbein <eugen@kuzbass.ru>
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To: Prashant Vaibhav <prashant.vaibhav@gmail.com>
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Cc: attilio@freebsd.org, freebsd-hackers@freebsd.org,
	freebsd-current@freebsd.org
Subject: Re: Improving the kernel/i386 timecounter performance (GSoC
	proposal)
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Prashant Vaibhav wrote:

> The primary idea is to improve the performance and resolution of
> gettimeofday() and friends by creating a efficient userspace implementation
> of these functions, along with some supporting modifications to the kernel.

Are you aware of CLOCK_*_FAST family of timecounters present
in FreeBSD 7.x? If not, you may want to take a look:

http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/sys/time.h#rev1.71

Eugene Grosbein