Subject: Re: [CFS Bandwidth Control v4 6/7] sched: hierarchical task
 accounting for SCHED_OTHER
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Paul Turner <pjt@google.com>
Cc: linux-kernel@vger.kernel.org, Bharata B Rao <bharata@linux.vnet.ibm.com>,
        Dhaval Giani <dhaval@linux.vnet.ibm.com>,
        Balbir Singh <balbir@linux.vnet.ibm.com>,
        Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
        Gautham R Shenoy <ego@in.ibm.com>,
        Srivatsa Vaddagiri <vatsa@in.ibm.com>,
        Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>,
        Ingo Molnar <mingo@elte.hu>, Pavel Emelyanov <xemul@openvz.org>,
        Herbert Poetzl <herbert@13thfloor.at>, Avi Kivity <avi@redhat.com>,
        Chris Friesen <cfriesen@nortel.com>
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References: <20110216031831.571628191@google.com>
	 <20110216031841.352204682@google.com> <1298467931.2217.762.camel@twins>
	 <AANLkTi=qE-tFox+qGyASmqCwZuvbq0wPH0v0Ai4NJf+O@mail.gmail.com>
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Date: Fri, 25 Feb 2011 13:17:28 +0100
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On Thu, 2011-02-24 at 19:25 -0800, Paul Turner wrote:
> 
> Yeah I agree :) -- I was planning on fixing this in a follow-up
> [honest!] as it's not as important since it doesn't affect idle
> balancing to the same magnitude.  I wanted to first air the notion of
> hierarchal task accounting in one of the schedulers then mirror the
> support across the other schedulers with consensus reached. 

Right, I think I once argued against this, but the effect on a lot of
things are against me, so lets do this.
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