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Date: Mon, 27 Jan 2003 14:17:34 -0500 (EST)
From: Zwane Mwaikambo <zwane@holomorphy.com>
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To: Mike Galbraith <efault@gmx.de>
cc: Luuk van der Duim <l.a.van.der.duim@student.rug.nl>,
       <linux-kernel@vger.kernel.org>
Subject: Re: 2.5.59-mm6
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On Mon, 27 Jan 2003, Mike Galbraith wrote:

> (something seems funky with nmi_watchdog... hard lock = no_more_nmi_ticks 
> .  Anybody out there know enough about local APIC to explain why idle=poll 
> gives nice 1 second nmi, but everything else depends upon cpu load?... and 
> why when hardlock happens, it _stops_)

Because we base the performance counter on unhalted cycles, whilst the 
normal idle function does an hlt. I think the K7 can do halted too.

	Zwane
-- 
function.linuxpower.ca

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