Messages in this thread | | | Date | Tue, 29 Apr 2014 16:04:30 +0100 | From | Morten Rasmussen <> | Subject | Re: [RESEND PATCH V5 0/8] remove cpu_load idx |
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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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