From owner-freebsd-current@FreeBSD.ORG  Sat Jan 24 12:33:08 2004
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To: Matthew Dillon <dillon@apollo.backplane.com>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Sat, 24 Jan 2004 12:31:13 PST."
             <200401242031.i0OKVD8A037265@apollo.backplane.com> 
Date: Sat, 24 Jan 2004 21:33:03 +0100
Message-ID: <45236.1074976383@critter.freebsd.dk>
cc: 'Bill Moran' <wmoran@potentialtech.com>
cc: current@freebsd.org
Subject: Re: DragonflyBSD kernel clock improvements 
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In message <200401242031.i0OKVD8A037265@apollo.backplane.com>, Matthew Dillon writes:

>:Unless you have replaced timecounters this is not true.  Timecounters
>:are insensitive to how your Hz ticks, as long as it does it often
>:enough.  (You should probably pull in the code from -current though,
>:the 4.x code has some marginal issues).
>
>    The problem with the timecounters is that they create incredible 
>    inconsistencies depending on which counter you use, various pieces of
>    hardware, your hz frequency, and the phase of the moon.  The timecounter
>    code is ridiculously complex and unnecessary junk and I will be ripping
>    it all out soon.

Enjoy.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.