Messages in this thread |  | | | Date | Tue, 10 Jan 2012 22:21:29 +0530 | | From | Vaidyanathan Srinivasan <> | | Subject | Re: [PATCH] x86,sched: Fix sched_smt_power_savings totally broken |
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* Youquan Song <youquan.song@intel.com> [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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