linux-kernel - Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

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Message-Id: <200703131716.31979.kernel@kolivas.org>
Date:	Tue, 13 Mar 2007 17:16:31 +1100
From:	Con Kolivas <kernel@...ivas.org>
To:	Mike Galbraith <efault@....de>
Cc:	michael chang <thenewme91@...il.com>, ck list <ck@....kolivas.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [ck] Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for  2.6.21-rc3-mm2

On Tuesday 13 March 2007 17:08, Mike Galbraith wrote:
> Virtual or physical cores has nothing to do with the interactivity
> regression I noticed.  Two nice 0 tasks which combined used 50% of my
> box can no longer share that box with two nice 5 tasks and receive the
> 50% they need to perform.  That's it. From there, we wandered off into a
> discussion on the relative merit and pitfalls of fairness.

And again, with X in its current implementation it is NOT like two nice 0 
tasks at all; it is like one nice 0 task. This is being fixed in the X design 
as we speak.

> 	-Mike

-- 
-ck
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