From owner-freebsd-performance@FreeBSD.ORG  Tue Dec 13 13:48:23 2005
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Date: Tue, 13 Dec 2005 21:48:50 +0800
From: David Xu <davidxu@freebsd.org>
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Cc: freebsd-performance@freebsd.org, "Gustavo A. Baratto" <gbaratto@superb.net>
Subject: Re: mysql benchmarks
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Peter Pentchev wrote:

>>So, if both systems use gettimeofday, then slow may be somewhere else.
>>    
>>
>
>Errrr...  I think David might have meant that the original poster should
>simply set kern.timecounter.hardware to 'TSC', not i8254 or something
>else.  This would not change whether MySQL uses gettimefday() or not,
>it would simply change the in-kernel method of obtaining the actual
>time of day - at least that's how I understand it :)
>
>G'luck,
>Peter
>
>  
>
Err, I just wanted to know the best performance current FreeBSD can
achieve. The timer problem had already been discussed several times
in the list, I don't want to repeat it here.

David Xu