linux-kernel - Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.46

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Date:	Sun, 22 Apr 2007 20:58:34 +0300
From:	Thomas Backlund <tmb@...driva.org>
To:	Con Kolivas <kernel@...ivas.org>
Cc:	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	ck list <ck@....kolivas.org>, Ingo Molnar <mingo@...e.hu>,
	Mike Galbraith <efault@....de>, Al Boldi <a1426z@...ab.com>,
	Peter Williams <pwil3058@...pond.net.au>,
	Nick Piggin <npiggin@...e.de>, Matt Mackall <mpm@...enic.com>,
	Bill Huey <billh@...ppy.monkey.org>,
	William Lee Irwin III <wli@...omorphy.com>,
	Willy Tarreau <w@....eu>, Gene Heskett <gene.heskett@...il.com>
Subject: Re: [ANNOUNCE] Staircase Deadline cpu scheduler version 0.46

mån 2007-04-23 klockan 01:03 +1000 skrev Con Kolivas:
> Yet another significant bugfix for SMP balancing was just posted for the 
> staircase deadline cpu scheduler which improves behaviour dramatically on any 
> SMP machine.
> 
> Thanks to Willy Tarreau for noticing more bugs.
> 
> As requested was a version in the Makefile so this version of the patch 
> adds -sd046 to the kernel version.
> 
> http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc7-sd-0.46.patch
> http://ck.kolivas.org/patches/staircase-deadline/2.6.20.7-sd-0.46.patch
> 
> Renicing X to -10, while not essential, may be desirable on the desktop. 
> Unlike the CFS scheduler which renices X without your intervention to 
> nice -19, the SD patches do not alter nice level on their own.
> 
> See the patch just posted called 'sched: implement staircase deadline 
> scheduler load  weight fix' for details of the fixes.
> 
> Thanks to all testing and giving feedback.
> 
> Well I'm exhausted...
> 

This one broke 2.6.20.7 build...

kernel/sched.c: In function ‘dependent_sleeper’:
kernel/sched.c:3319: error: ‘DEF_TIMESLICE’ undeclared (first use in
this function)
kernel/sched.c:3319: error: (Each undeclared identifier is reported only
once
kernel/sched.c:3319: error: for each function it appears in.)

-- 
Thomas Backlund <tmb@...driva.org>

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