Date: Wed, 23 Mar 2011 08:34:18 -0400 From: John Baldwin <jhb@freebsd.org> To: "Jung-uk Kim" <jkim@freebsd.org> 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 Message-ID: <201103230834.19151.jhb@freebsd.org> In-Reply-To: <201103171706.12993.jkim@FreeBSD.org> References: <201103161644.p2GGi8ug098283@svn.freebsd.org> <20110317200156.GB65858@server.vk2pj.dyndns.org> <201103171706.12993.jkim@FreeBSD.org>
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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
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