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DateFri, 27 Jun 2008 17:08:22 +0900
FromKOSAKI Motohiro <>
SubjectRe: [RFC v1] Tunable sched_mc_power_savings=n
Hi

> Advantages:
>
> * Enterprise workloads on large hardware configurations may need
> aggressive consolidation strategy
> * Performance impact on server is different from desktop or laptops.
> Interactivity is less of a concern on large enterprise servers while
> workload response times and performance per watt is more significant
> * Aggressive power savings even with marginal performance penalty is
> is a useful tunable for servers since it may provide good
> performance-per-watt at low utilisation
> * This tunable can influence other parts of scheduler like wakeup
> biasing for overall task consolidation

I'd like to know how many saving power.
if there are only small saving, I think this is not interesting feature.

Do you expect how many percentage saving?





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