Date: Wed, 17 Feb 2010 22:30:29 +0200 From: John Hay <jhay@meraka.org.za> To: Torfinn Ingolfsen <torfinn.ingolfsen@broadpark.no> Cc: freebsd-stable@freebsd.org Subject: Re: ntpd struggling to keep up - how to fix? Message-ID: <20100217203029.GA70542@zibbi.meraka.csir.co.za> In-Reply-To: <20100217200322.da66c9f8.torfinn.ingolfsen@broadpark.no> References: <20100211190652.6a66c618.torfinn.ingolfsen@broadpark.no> <20100211192515.GB13854@icarus.home.lan> <20100212132947.eb2af3d0.torfinn.ingolfsen@broadpark.no> <20100212131117.GA51905@icarus.home.lan> <20100212174452.2140cd72.torfinn.ingolfsen@broadpark.no> <20100217194927.e3ec60ae.torfinn.ingolfsen@broadpark.no> <20100217200322.da66c9f8.torfinn.ingolfsen@broadpark.no>
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On Wed, Feb 17, 2010 at 08:03:22PM +0100, Torfinn Ingolfsen wrote: > On Wed, 17 Feb 2010 19:49:27 +0100 > Torfinn Ingolfsen <torfinn.ingolfsen@broadpark.no> wrote: > > > Unfortunately, it isn't enough to keep the machine in sync all the time. > > But it is better than HPET so I'll keep it. > > This thread is interesting: > http://lkml.indiana.edu/hypermail/linux/kernel/0903.1/01356.html > > Is there a way in FreeBSD to perform adjustmenst like adjtimex? > 'apropos adjtime' only gives me a system call, > the man pages for hz(9) and hardclock(9) doesn't exist on 8.0-stable > (or on 7.2-stable). You can set the timecounter frequency with sysctl. On my one time server I have these lines in /etc/sysctl.conf machdep.tsc_freq=132658584 kern.timecounter.hardware=TSC John -- John Hay -- jhay@meraka.csir.co.za / jhay@FreeBSD.org
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