cpu scaling

[Thibault Nélis]

On 06/13/2012 03:27 PM, Matej Kosik wrote:
> Hello,
>
> On Fedora 16, CPU scaling works fine for me.

 From this I assume you're now using F17 as you seem to suggest it 
doesn't work fine anymore, but I believe everything holds for F16 as well.

> On Debian, I was able to determine minimal/maximal frequencies of CPU-s
> by looking to files like this:
>
>      cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_{min,max}_freq
>
> Is there a way how can I do the same on Fedora?

Well.. yes?

[thib at dhow ~]$ cat 
/sys/devices/system/cpu/cpu*/cpufreq/scaling_{min,max}_freq 
/etc/redhat-release; uname -a
800000
800000
2534000
2534000
Fedora release 17 (Beefy Miracle)
Linux dhow 3.4.0-1.fc17.x86_64 #1 SMP Sun Jun 3 06:35:17 UTC 2012 x86_64 
x86_64 x86_64 GNU/Linux

> Is there a way how can I determine that CPU scaling is turned on,
> on a given machine?

This might be of interest:
https://docs.fedoraproject.org/en-US/Fedora/17/html/Power_Management_Guide/Core_Infrastructure.html
-- 
t