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SubjectRe: [PATCH 4/4] sched/fair: Use a recently used CPU as an idle candidate and the basis for SIS
On Wed, Jan 31, 2018 at 09:44:18AM -0800, Srinivas Pandruvada wrote:

> Much more throttling required compared to PERF_CTL. MSR_HWP_REQUEST is
> much slower compared to PERF_CTL (as high as 10:1).

Still much better than what other architectures have to deal with ;-)

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