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SubjectRe: [RESEND PATCH V5 0/8] remove cpu_load idx
On Thu, Apr 24, 2014 at 05:20:29PM +0100, Peter Zijlstra wrote:
> OK, this series is a lot saner, with the exception of 3/8 and
> dependents.
>
> I do still worry a bit for loosing the longer term view for the big
> domains though. Sadly I don't have any really big machines.
>
> I think the entire series is equivalent to setting LB_BIAS to false. So
> I suppose we could do that for a while and if nobody reports horrible
> things we could just do this.
>
> Anybody?

I can't say what will happen on big machines, but I think the LB_BIAS
test could be a way to see what happens. I'm not convinced that it won't
lead to more task migrations since we will use the instantaneous cpu
load (weighted_cpuload()) unfiltered.

Morten


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