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

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On Tuesday, June 18, 2013 05:57:36 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.

Hmm.  This looks like something unrelated to the previous reports.

How do you check the frequencies?

Does that happen every time?  If so, any chance to bisect driver/cpufreq
changes between 3.9 and now?

Does it work without ignore_nice?

Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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