[PlanetCCRMA] Unable to set cpu governors

[Brendan Jones]

On 02/23/2013 09:46 AM, scott riddle wrote:
>
>
> On Fri, Feb 22, 2013 at 3:33 PM, Brendan Jones
> <brendan.jones.it at gmail.com <mailto:brendan.jones.it at gmail.com>> wrote:
>
>     On 02/23/2013 08:59 AM, Scott Riddle wrote:
>      > Hello,
>      > With fedora 17, I was able to change my cpu frequency scaling
>     governors
>      > from ondemand to performance as needed.  Now when I run cpupower
>      > frequency-info, I'm informed that I have no frequency drivers or that
>      > they are not active.  When I look here:
>      > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor, the cpufrq
>     is no
>      > longer there nor are it's components.
>      > Any ideas or suggestions would be appreciated.
>      >
>      > --scott
>      >
>      > _______________________________________________
>      > PlanetCCRMA mailing list
>      > PlanetCCRMA at ccrma.stanford.edu
>     <mailto:PlanetCCRMA at ccrma.stanford.edu>
>      > http://ccrma-mail.stanford.edu/mailman/listinfo/planetccrma
>      >
>     Now you have to install kernel-tools package.
>
>     $ rpm -ql kernel-tools
>     /etc/sysconfig/cpupower
>     /usr/bin/centrino-decode
>     /usr/bin/cpupower
>     /usr/bin/powernow-k8-decode
>     /usr/bin/turbostat
>     /usr/bin/x86_energy_perf_policy
>     /usr/lib/systemd/system/cpupower.service
>     /usr/share/locale/cs/LC_MESSAGES/cpupower.mo
>     /usr/share/locale/de/LC_MESSAGES/cpupower.mo
>     /usr/share/locale/fr/LC_MESSAGES/cpupower.mo
>     /usr/share/locale/it/LC_MESSAGES/cpupower.mo
>     /usr/share/locale/pt/LC_MESSAGES/cpupower.mo
>     /usr/share/man/man1/cpupower-frequency-info.1.gz
>     /usr/share/man/man1/cpupower-frequency-set.1.gz
>     /usr/share/man/man1/cpupower-info.1.gz
>     /usr/share/man/man1/cpupower-monitor.1.gz
>     /usr/share/man/man1/cpupower-set.1.gz
>     /usr/share/man/man1/cpupower.1.gz
>     /usr/share/man/man8/turbostat.8.gz
>     /usr/share/man/man8/x86_energy_perf_policy.8.gz
>
>
>     Brendan
>
>
>
>
> Yes, those are all already installed.  My cpufreq folders for both cpus
> are gone, which is strange.
>

Does this help?

sudo systemctl enable cpupower.service
and
sudo systemctl start cpupower.service

and edit /etc/sysconfig/cpupower