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

[Vaidyanathan Srinivasan]

* Youquan Song <youquan.song@xxxxxxxxx> [2012-01-10 11:54:26]:

> 
> > Youquan, As far as I know both the
> > sched_smt_power_savings/sched_mc_power_savings are broken for atleast an
> > year.
> > 
> > Have you checked the state of 'sched_mc_power_savings' to see if it is
> > working or gets addressed with your proposed patches?
> Thanks Suresh!
> 
> We have verified that sched_mc_power_savings works well in mainline and
> -tip tree, only sched_smt_power_savings broken.

Hi Suresh,

My testing also shows that sched_mc works find and only sched_smt
suffers from the group capacity problem at the core level.

--Vaidy

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