linux-kernel - Re: [patch 04/15] sched: throttle cfs_rq entities which exceed their local quota

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Message-ID: <AANLkTikCe3rMcYCn52cT3nZ_i-w+Fe1rGg8UaB2ayiVS@mail.gmail.com>
Date:	Wed, 23 Mar 2011 13:53:11 -0700
From:	Paul Turner <pjt@...gle.com>
To:	Mike Galbraith <efault@....de>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Bharata B Rao <bharata@...ux.vnet.ibm.com>,
	Dhaval Giani <dhaval.giani@...il.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Nikhil Rao <ncrao@...gle.com>
Subject: Re: [patch 04/15] sched: throttle cfs_rq entities which exceed their
 local quota

On Tue, Mar 22, 2011 at 10:09 PM, Mike Galbraith <efault@....de> wrote:
> On Tue, 2011-03-22 at 20:03 -0700, Paul Turner wrote:
>
>> +static void check_cfs_rq_quota(struct cfs_rq *cfs_rq)
>> +{
>> +     if (within_bandwidth(cfs_rq))
>> +             return;
>> +
>> +
>
> Nit:  It'd be nice if classes agreed on naming convention to ease
> rummaging.  In rt, it's bandwidth for bean counting parameters, but the
> beans are runtime.  within_bandwidth() vs sched_rt_runtime_exceeded()
> kinda pokes me in the eye when I look at the total.  Seems to me it
> should be uniformly either quota or bandwidth, and uniformly runtime.
>

True enough, I'll rename to bring these more in-line with their RT equivalents

>        -Mike
>
>
>
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