linux-kernel - Re: sched: new cpu schedule

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Date:	Wed, 23 Mar 2011 16:41:44 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	wu junhui <wjh.kernel@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Mike Galbraith <efault@....de>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: sched: new cpu schedule


* wu junhui <wjh.kernel@...il.com> wrote:

> hello
> 
> i have a new cpu schedule, i name it NanJing for my city.
> 
> it's O(1),
> it's one queue,
> it's load balance o(1),
> it's fair,
> it's i/o friendly,
> 
> todo:
> powersave,
> human interface (keyboard, mouse event) promotion,
> optimalize clean,
> 
> 
> my developing  platform is centos 5.5
> 
> rpmbuild -bp 2.6.18-194.32.1.el5 source
> 
> .config use /boot/config
> 
> i had do some test, it's work. in diff i have some explain. if
> somebody interest, i can explain more later.
> 
> sorry for the last post with attatch patch.
> 
> thanks.
> 
> Wu JunHui
> 
> --- linux-2.6.18.i686_org/kernel/sched.c	2011-03-07 14:12:46.000000000 +0800
> +++ linux-2.6.18.i686/kernel/sched.c	2011-03-23 10:02:06.000000000 +0800

2.6.18 is an almost 5 years old kernel so your patch will not apply to any 
recent kernel:

Hunk #1 FAILED at 16.
Hunk #2 succeeded at 100 with fuzz 1 (offset 25 lines).
Hunk #3 FAILED at 93.
Hunk #4 FAILED at 196.
Hunk #5 FAILED at 229.
Hunk #6 FAILED at 727.
Hunk #7 succeeded at 2041 (offset 1236 lines).
Hunk #8 succeeded at 2058 (offset 1236 lines).
Hunk #9 FAILED at 843.
Hunk #10 FAILED at 861.
Hunk #11 FAILED at 951.
Hunk #12 FAILED at 1049.
Hunk #13 succeeded at 2178 with fuzz 2 (offset 1121 lines).

etc.

Scheduler developers use the latest scheduler development tree, which can be 
found at:

   http://people.redhat.com/mingo/tip.git/README

Thanks,

	Ingo
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