Re: 3.10-rcX: cpu governor ondemand doesn't scale well after s2ram

["Toralf Förster" <toralf.foerster@gmx.de>]

On 06/18/2013 05:57 PM, Toralf Förster wrote:
> At a stable 32bit Gentoo Linux with a i5 processor (2.6 GHZ max, 3.1 GHz
> boost) I've to change the governor after a s2ram all 4 cores from
> "ondemand" to "performance" and back to "ondemand", otherwise cpu1 till
> cpu3 would stay after s2ram at 2.6 GHz (whilst cpu0 is at the expected
> 800 MHz if no load is at the system) - FWIW I do set ignore_nice to "1".
> 
> 3.9.6 is ok, the bug was introduces somewhere in 3.10-rcX.
> 
FWIW the following  commands circumvents that issue :

# for i in $(seq 1 3); do echo performance > /sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor; done
# for i in $(seq 1 3); do echo ondemand    > /sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor; done

cpu0 is unaffected
-- 
MfG/Sincerely
Toralf Förster
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