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Date: Fri, 05 Jun 2009 08:45:50 -0600
From: "Chris Friesen" <cfriesen@nortel.com>
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To: Dhaval Giani <dhaval@linux.vnet.ibm.com>
CC: Avi Kivity <avi@redhat.com>, Paul Menage <menage@google.com>,
       bharata@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
       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>, Ingo Molnar <mingo@elte.hu>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Pavel Emelyanov <xemul@openvz.org>, kvm@vger.kernel.org,
       Linux Containers <containers@lists.linux-foundation.org>,
       Herbert Poetzl <herbert@13thfloor.at>
Subject: Re: [RFC] CPU hard limits
References: <20090604053649.GA3701@in.ibm.com> <6599ad830906050153i1afd104fqe70f681317349142@mail.gmail.com> <4A291753.7090205@redhat.com> <20090605134320.GA3994@linux.vnet.ibm.com>
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Dhaval Giani wrote:

> Shares cannot be used to provide guarantees. All they decide is what
> propotion groups can get CPU time. (yes, shares is a bad name, weight
> shows the intent better).

If I (as the administrator of the system) arbitrarily decide that all
the shares/weights must add up to 100, they magically become percentage
guarantees.

Chris
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