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From: Peter Williams <peterw@aurema.com>
To: balbir@in.ibm.com
Cc: Peter Williams <pwil3058@bigpond.net.au>,
	Andrew Morton <akpm@osdl.org>,
	dev@openvz.org, vatsa@in.ibm.com,
	ckrm-tech@lists.sourceforge.net, bsingharora@gmail.com,
	efault@gmx.de, linux-kernel@vger.kernel.org, kernel@kolivas.org,
	sam@vilain.net, kingsley@aurema.com, mingo@elte.hu,
	rene.herman@keyaccess.nl
Subject: Re: [ckrm-tech] [PATCH 0/4] sched: Add CPU rate caps
Date: Tue, 20 Jun 2006 09:09:39 +1000	[thread overview]
Message-ID: <44972EB3.8090400@aurema.com> (raw)
In-Reply-To: <44968B6D.8040301@in.ibm.com>

Balbir Singh wrote:
> Peter Williams wrote:
> 
>>
>> You're over engineering and you're not solving the problem.  You're 
>> just moving it down a bit.
>>
> 
>>
>>>
>>> 2. In a group based cap management system, schedule some tasks 
>>> (highest priority)
>>>  until their cap run out. In the subsequent rounds pick and choose 
>>> tasks that
>>>  did not get a chance to run earlier.
>>>
>>> Solving this is indeed a interesting problem.
>>>
>>
>>
>> Once again, you're over engineering and probably making the problem 
>> worse.
>>
> 
> I like this term over-engineering. Lets focus on the solution for the most
> common case and see what works out. I was pointing you to the possible
> limitations of the approach, which is always a good thing to do in 
> engineering.

And I was pointing out that it's a fundamental limitation that can't be 
avoided no matter which implementation route you follow.

Peter
-- 
Dr Peter Williams, Chief Scientist         <peterw@aurema.com>
Aurema Pty Limited
Level 2, 130 Elizabeth St, Sydney, NSW 2000, Australia
Tel:+61 2 9698 2322  Fax:+61 2 9699 9174 http://www.aurema.com

  reply	other threads:[~2006-06-19 23:10 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-18  8:26 [PATCH 0/4] sched: Add CPU rate caps Peter Williams
2006-06-18  8:26 ` [PATCH 1/4] sched: Add CPU rate soft caps Peter Williams
2006-06-18  8:38   ` Con Kolivas
2006-06-18 15:52     ` Peter Williams
2006-06-19  1:21   ` Peter Williams
2006-06-18  8:26 ` [PATCH 2/4] sched: Add CPU rate hard caps Peter Williams
2006-06-18  8:27 ` [PATCH 3/4] sched: Add procfs interface for CPU rate soft caps Peter Williams
2006-06-18  8:27 ` [PATCH 4/4] sched: Add procfs interface for CPU rate hard caps Peter Williams
2006-06-18  9:50 ` [PATCH 0/4] sched: Add CPU rate caps Andrew Morton
2006-06-18 10:25   ` Peter Williams
2006-06-18 11:42     ` Srivatsa Vaddagiri
2006-06-18 12:19       ` Peter Williams
2006-06-19  0:13     ` Balbir Singh
2006-06-19  1:03       ` [ckrm-tech] " Peter Williams
2006-06-19  2:20         ` Balbir Singh
2006-06-19  3:17           ` Peter Williams
2006-06-19  3:31             ` Balbir Singh
2006-06-19  3:50               ` Peter Williams
2006-06-19  8:30                 ` Balbir Singh
2006-06-19 11:35                   ` Peter Williams
2006-06-19 11:33                     ` Balbir Singh
2006-06-19 23:09                       ` Peter Williams [this message]
2006-06-20  4:28           ` Peter Williams
2006-06-20  4:40             ` Balbir Singh
2006-06-20  5:56               ` Peter Williams
2006-06-19  5:04     ` Peter Williams
2006-06-19 23:59   ` Peter Williams
2006-06-19 18:55 ` [ckrm-tech] " Chris Friesen
2006-06-19 23:28   ` Peter Williams

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