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Date: Fri, 28 Oct 2005 21:38:23 +0800
From: David Xu <davidxu@freebsd.org>
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To: Poul-Henning Kamp <phk@phk.freebsd.dk>
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Cc: Pertti Kosunen <pertti.kosunen@pp.nic.fi>,
	Robert Watson <rwatson@FreeBSD.org>, current@freebsd.org,
	"Yuriy N. Shkandybin" <jura@networks.ru>
Subject: Re: Timers and timing, was: MySQL Performance 6.0rc1
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Poul-Henning Kamp wrote:

>>On the other hand, a lower risk change might be to simply add a new CLOCK_ 
>>type for lower resolution, and have a timer synchronize a variable to the 
>>system clock once every 1/10 of a second.  This avoids having to muck with 
>>VM layout, etc.
>>    
>>
>
>Is the CLOCK_* namespace ours to muck about with in the first place ?
>
>  
>
I prefer this way, can you implement it?
The global page idea is a complex, someone can slowly work on it, there are
many things can be done, for example, fast syscall using sysenter/sysexit.