Re: Timekeeping hosed by factor 3, high lapic[01] interrupt rates

From: John Baldwin <jhb_at_FreeBSD.org>
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_at_FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org
Received on Tue Jun 28 2005 - 19:29:49 UTC

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