RE: [PATCH 0/6] x86/cpu hotplug: Wake up offline CPU via mwait or nmi
From
Peter Zijlstra <>
Date
Tue, 05 Jun 2012 18:19:50 +0200
On Tue, 2012-06-05 at 16:18 +0000, Yu, Fenghua wrote: > Actually some Linux people are adjusting online/offline CPU's based on > workload to save power in their business. There are some advantages > for online/offline CPU's than idling CPU's.
Like what? Offline is nothing more than a C state on x86.