Messages in this thread | | | Date | Fri, 28 Aug 2009 15:52:37 -0400 (EDT) | From | Christoph Lameter <> | Subject | Re: RFC: THE OFFLINE SCHEDULER |
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On Fri, 28 Aug 2009, Thomas Gleixner wrote:
> Right, and I think we can get there. The timer can be eliminated with > some work. Faults shouldn't happen on that CPU and all other > interrupts can be kept away with proper affinity settings. Softirqs > should not happen on such a CPU either as there is neither a hardirq > nor a user space task triggering them. Same applies for timers. So > there are some remaining issues like IPIs, but I'm pretty sure that > they can be tamed to zero as well.
There are various timer generated thingies like vm statistics, slab queue management and device specific things that run on each processor.
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