Messages in this thread | | | Date | Tue, 10 Jan 2012 11:54:26 -0500 | From | Youquan Song <> | Subject | Re: [PATCH] x86,sched: Fix sched_smt_power_savings totally broken |
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> 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.
Sorry. My proposed patch last night still need be refreshed. After I closely look at SD_PREFER_SIBLING logic, there is possible a fighting which Peter has mentioned it.
I will post a update patch soon.
-Youquan
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