linux-kernel - Re: fair group scheduler not so fair?

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Message-ID: <20080523094216.GK3780@linux.vnet.ibm.com>
Date:	Fri, 23 May 2008 15:12:16 +0530
From:	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
To:	"Li, Tong N" <tong.n.li@...el.com>
Cc:	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
	"Chris Friesen" <cfriesen@...tel.com>,
	<linux-kernel@...r.kernel.org>, <mingo@...e.hu>, <pj@....com>
Subject: Re: fair group scheduler not so fair?

On Thu, May 22, 2008 at 01:18:33PM -0700, Li, Tong N wrote:
> Peter,
> 
> I didn't look at your patches, but I thought you were flattening group
> weights down to task-level so that the scheduler only looks at per-task
> weights.

Wouldnt that require task weight readjustment upon every fork/exit?

> That'd make group fairness as good as task fairness gets. Is
> this still the case?

-- 
Regards,
vatsa
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