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From: John Baldwin <jhb@freebsd.org>
To: "Jung-uk Kim" <jkim@freebsd.org>
Date: Wed, 23 Mar 2011 08:34:18 -0400
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org, Peter Jeremy <peterjeremy@acm.org>
Subject: Re: svn commit: r219700 - head/sys/x86/x86
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On Thursday, March 17, 2011 5:06:09 pm Jung-uk Kim wrote:
> On Thursday 17 March 2011 04:01 pm, Peter Jeremy wrote:
> > On 2011-Mar-16 16:44:08 +0000, Jung-uk Kim <jkim@FreeBSD.org> wrote:
> > >Log:
> > >  Revert r219676.
> >
> > Thanks also.  For extra kudos, how about adding a similar function
> > to allow the HPET frequency to be over-ridden.  That is currently
> > the only timecounter that does not allow the user to compensate for
> > incorrect hardware frequencies.
> 
> I really hate the idea of adjusting timecounter frequency from 
> userland.  I guess "use ntpd(8)" is not a good answer for some 
> people. :-(

Actually, that doesn't work well if your timecounter frequency is off by a 
lot.  Having the timecounter frequency accurate improves the accuracy of 
things like ntpd and ptpd.

-- 
John Baldwin