Messages in this thread | | | Date | Fri, 20 Feb 2009 17:07:37 +0100 | From | Ingo Molnar <> | Subject | Re: [RFC PATCH 0/4] timers: framework for migration between CPU |
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* Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> wrote:
> > I'd also suggest to not do that rather ugly > > enable_timer_migration per-cpu variable, but simply reuse > > the existing nohz.load_balancer as a target CPU. > > This is a good idea to automatically bias the timers. But > this nohz.load_balancer is a very fast moving target and we > will need some heuristics to estimate overall system idleness > before moving the timers. > > I would agree that the power saving load balancer has a good > view of the system and can potentially guide the timer biasing > framework.
Yeah, it's a fast moving target, but it already concentrates the load somewhat.
Ingo
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