Re: [RFC PATCH 0/4] timers: framework for migration between CPU

[Ingo Molnar]

* Vaidyanathan Srinivasan <svaidy@xxxxxxxxxxxxxxxxxx> 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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