Messages in this thread | | | Subject | Re: scheduler vs hardware? (was Re: another i7 (linux) bug?) | From | Mike Galbraith <> | Date | Fri, 22 Jan 2010 10:25:14 +0100 |
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On Fri, 2010-01-22 at 09:51 +0100, Peter Zijlstra wrote:
> My laptop does: > > > # time nice -n 19 lame -b 256 -V0 -h youcantdothat.wav - > /dev/null
> real 0m3.273s > user 0m3.217s > sys 0m0.022s > > > # time nice -n 0 lame -b 256 -V0 -h youcantdothat.wav - > /dev/null
> real 0m1.121s > user 0m1.102s > sys 0m0.013s
I don't see any way that can be scheduler (knocks wood). Could it be cpufreq? IIRC there is or was an ignore nice gizmo in there.
-Mike
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