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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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             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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