From: Dominik Brodowski <linux-JhLEnvuH02M@public.gmane.org>
To: Jan Rychter <jan-JAsPCFd0eodBDgjK7y7TUQ@public.gmane.org>
Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: Why does my CPU switch to high speed?
Date: Fri, 22 Nov 2002 21:14:44 +0100 [thread overview]
Message-ID: <20021122201444.GD2117@brodo.de> (raw)
In-Reply-To: <m2heeqna6t.fsf-dTJq59+VGzkkCw8IV3R6h0EOCMrvLtNR@public.gmane.org>
On Sat, Nov 09, 2002 at 02:29:14PM +0100, Jan Rychter wrote:
> What makes my CPU (Intel Pentium IIIm, speedstep) switch to maximum
> performance mode?
>
> ACPI says:
>
> [14:25] tnuctip:/root#cat /proc/acpi/processor/CPU0/performance
> <not supported>
> [14:27] tnuctip:/root#
>
> if I use the "speedstep" utility to set the clock to half-speed (works
> great), everything is fine, until the machine wants to spend a lot of
> CPU in kernel space (ACPI eating CPU or my wireless network drivers
> crashing and eating CPU). Then the CPU somehow switches to maximum
> performance.
What "speedstep" utility? Marc's program? Or cpufreq?
Dominik
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parent reply other threads:[~2002-11-22 20:14 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <m2heeqna6t.fsf-dTJq59+VGzkkCw8IV3R6h0EOCMrvLtNR@public.gmane.org>]
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