Re: [PATCH] x86,sched: Fix sched_smt_power_savings totally broken

From: Ingo Molnar
Date: Tue Jan 10 2012 - 14:44:24 EST



* Ingo Molnar <mingo@xxxxxxx> wrote:

> > a very good default would be to keep all tasks on one
> > package until half the cores in the package are busy, and
> > then start spreading out.
> >
> > I suspect that'll be the 90% case coverage.
>
> Maybe - but there's no reason to connect all the dots within
^not
> the kernel and actually *discover* and use the very, very
> likely performance preference of the hardware in question.

Thanks,

Ingo
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