Messages in this thread | | | Subject | RE: [PATCH 0/6] x86/cpu hotplug: Wake up offline CPU via mwait or nmi | From | Peter Zijlstra <> | Date | Tue, 05 Jun 2012 18:09:25 +0200 |
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On Tue, 2012-06-05 at 16:02 +0000, Yu, Fenghua wrote: > > Users can consolidate processes on a few online CPU's and offline the > rest when workload is light.
No they can't, hotplug is a root only op.
> This consolidation can save more power and have better performance > than idling CPU's because hot cache in online CPU's and offline CPU's > can be allocated in same package.
Yeah, or you fix the load-balancer to do this.
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