Re: [RESEND PATCH V5 0/8] remove cpu_load idx

[Morten Rasmussen]

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/