From: "Christopher Meredith" <theophile@saintmail.net>
To: linux-kernel@vger.kernel.org
Subject: Re: PowerNow!, cpufreq, and swsusp
Date: Wed, 12 Mar 2003 18:37:32 -0500 [thread overview]
Message-ID: <3e6fc4bc.686d.2288@saintmail.net> (raw)
Simple question: How do I mount sysfs? Also, any idea on the
swsusp issue? Thanks!
~Christopher
On Wed, 12 Mar 2003 17:40:01 -0100
Dave Jones <davej@codemonkey.org.uk> wrote:
> On Wed, Mar 12, 2003 at 12:06:33PM -0500, Christopher
Meredith wrote:
>
> > Also, cpufreq doesn't seem to do anything. Should it be
> > working automatically?
>
> no.
>
> > Even when the machine sits unattended
> > for over 8 hours, the fan never turns off and the cpu
> > temperature is consustently 69-70 degrees C.
>
> The kernel doesn't define policy, but exposes the
necessary
> interface to userspace. There are a few folks working on
> tools / scripts to adjust the speed dynamically.
> look through the cpufreq mailing list archives to find
them
> (or google)
>
> > What must I do here?
>
> Read Documentation/cpu-freq/user-guide.txt
>
> short: mount sysfs, and ..
>
> (root@evo:cpufreq)# cd /sys/class/cpu/cpufreq/cpu0/cpufreq
> (root@evo:cpufreq)# cat /proc/cpuinfo | grep MHz
> cpu MHz : 1390.536
> (root@evo:cpufreq)# echo powersave >scaling_governor
> (root@evo:cpufreq)# cat /proc/cpuinfo | grep MHz
> cpu MHz : 529.728
> (root@evo:cpufreq)# echo performance >scaling_governor
>
> Dave
>
> -
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next reply other threads:[~2003-03-12 23:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-12 23:37 Christopher Meredith [this message]
2003-03-12 23:41 ` PowerNow!, cpufreq, and swsusp Greg KH
-- strict thread matches above, loose matches on Subject: below --
2003-03-12 17:06 Christopher Meredith
2003-03-12 18:40 ` Dave Jones
2003-03-15 12:56 ` Christopher Meredith
2003-03-13 1:31 ` Nigel Cunningham
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