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

* 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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