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Subject: Re: scheduler scalability - cgroups, cpusets and load-balancing
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Paul Jackson <pj@sgi.com>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, vatsa@linux.vnet.ibm.com,
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Date: Tue, 29 Jan 2008 11:50:16 +0100
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On Tue, 2008-01-29 at 04:01 -0600, Paul Jackson wrote:
> Peter wrote:
> > Also the RT load-balance needs to become aware of such these sets, I
> > think Paul J and Steven once talked about it, but can't quite remember
> > where that ended
> 
> See further the thread:
> 
>   http://lkml.org/lkml/2007/10/22/400
> 
> (I don't remember where it ended up either; probably nowhere.
>  I'm just passing on the link, before doing any reading or thinking.)

Thanks for the link. Yes I think your last suggestion of creating
rt-domains ( http://lkml.org/lkml/2007/10/23/419 ) is a good one.

Upon cpuset changes we could then look for the largest disjoint set and
hang the rt balance code from that.