Subject: Re: [patch 06/15] sched: accumulate per-cfs_rq cpu usage and
 charge against bandwidth
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.giani@gmail.com>,
        Balbir Singh <balbir@linux.vnet.ibm.com>,
        Vaidyanathan Srinivasan <svaidy@linux.vnet.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>,
        Nikhil Rao <ncrao@google.com>
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Date: Tue, 17 May 2011 17:28:42 +0200
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On Mon, 2011-05-16 at 05:59 -0700, Paul Turner wrote:
> On Mon, May 16, 2011 at 3:27 AM, Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> > On Tue, 2011-05-03 at 02:28 -0700, Paul Turner wrote:
> >> +unsigned int sysctl_sched_cfs_bandwidth_slice = 5000UL;
> >
> > What happens when the period is smaller than the slice?
> >
> 
> We'll always take at most whatever's left in this case.

Right, saw that, but it might be good to have a little comment
explaining the interaction between the slice and the period things.
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