Re: [PATCH v3 09/12] Revert "sched: Put rq's sched_avg under CONFIG_FAIR_GROUP_SCHED"

From: Morten Rasmussen
Date: Tue Jul 15 2014 - 05:32:46 EST

On Tue, Jul 15, 2014 at 10:27:19AM +0100, Vincent Guittot wrote:
> On 11 July 2014 18:13, Morten Rasmussen <morten.rasmussen@xxxxxxx> wrote:
> [snip]
> >
> > In this example using rq->avg leads to imbalance whereas unweighted load
> > would not. Correct me if I missed anything.
> You just miss to take into account how the imbalance is computed

I don't think so. I'm aware that the imbalance is calculated based on
the runnable_load_avg of the cpus. But if you pick the wrong cpus to
compare to begin with, it doesn't matter.

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