Date: Tue, 28 Jun 2005 17:29:21 -0400 From: John Baldwin <jhb@FreeBSD.org> To: Jens Schweikhardt <schweikh@schweikhardt.net> Cc: freebsd-current@FreeBSD.org, phk@FreeBSD.org Subject: Re: Timekeeping hosed by factor 3, high lapic[01] interrupt rates Message-ID: <200506281729.22302.jhb@FreeBSD.org> In-Reply-To: <20050628210749.GA763@schweikhardt.net> References: <20050516113420.GA786@schweikhardt.net> <200506271529.22790.jhb@FreeBSD.org> <20050628210749.GA763@schweikhardt.net>
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On Tuesday 28 June 2005 05:07 pm, Jens Schweikhardt wrote: > John et al, > > # Forget SMP and go back to UP for now. Turn off ntpd if you are using it, > then # do something like this: > # > # # ntpdate ntp.xxxx ; sleep 10 ; ntpdate ntp.xxxx > # > # And try it both with the timecounter set to TSC and with the timecounter > set # to i8254. > > Here we go, kernel with your second patch, boot with kern.smp.disabled=1. Can you get the same ntpdate output for the kernel without the patch? -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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