Re: Timekeeping hosed by factor 3, high lapic[01] interrupt rates
From: John Baldwin (jhb_at_FreeBSD.org)
Date: 06/28/05
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To: Jens Schweikhardt <schweikh@schweikhardt.net> Date: Tue, 28 Jun 2005 17:29:21 -0400
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 _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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