Messages in this thread | | | Date | Tue, 05 Jun 2012 12:51:29 -0700 | From | Arjan van de Ven <> | Subject | Re: [PATCH 0/6] x86/cpu hotplug: Wake up offline CPU via mwait or nmi |
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On 6/5/2012 12:49 PM, Peter Zijlstra wrote: > On Tue, 2012-06-05 at 21:43 +0200, Thomas Gleixner wrote: >> Vs. the interrupt/timer/other crap madness: >> >> - We really don't want to have an interrupt balancer in the kernel >> again, but we need a mechanism to prevent the user space balancer >> trainwreck from ruining the power saving party. > > What's wrong with having an interrupt balancer tied to the scheduler > which optimistically tries to avoid interrupting nohz/isolated/idle > cpus?
ideally threaded interrupts are like this.. we really should push for more usage of such and it all falls into place
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