Re: [gentoo-user] Throttling State won't change from command in Gentoo Power Management Guide

[Tobias Heinzen <t.heinzen@rhone.ch>]

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Hi Richard

You can also throttle the speed of your CPU with the command

$cpufreq-set -u 800000

This will set the upper bound to 800MHz, meaning your CPU won't be going
any faster than those 800MHz. This is the way I am doing it. Not very
nice but it works for me.

Richard Watson wrote:
> Hi - I've been setting my laptop for power management by following the
> Power Management Guide and have successfully got cpufreqd running.
> However the CPU still gets hot on large compiles. I thought maybe
> changing the throttling state would cool things off but when I run the
> command from the power management guide
>  
> echo -n "0:T1" > /proc/acpi/processor/C000/limit
>  
> it returns the error
>  
> -bash: echo: write error: Invalid argument
>  
> I tried opening the file with nano -w and got the same message when
> saving the changes. Can anybody give me any help?
>  
> Thanks, Richard


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