[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-id: <200704222239.40818.gene.heskett@gmail.com>
Date: Sun, 22 Apr 2007 22:39:40 -0400
From: Gene Heskett <gene.heskett@...il.com>
To: Nick Piggin <npiggin@...e.de>
Cc: Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Con Kolivas <kernel@...ivas.org>,
Mike Galbraith <efault@....de>,
Arjan van de Ven <arjan@...radead.org>,
Peter Williams <pwil3058@...pond.net.au>,
Thomas Gleixner <tglx@...utronix.de>, caglar@...dus.org.tr,
Willy Tarreau <w@....eu>, Mark Lord <lkml@....ca>,
Ulrich Drepper <drepper@...hat.com>
Subject: Re: [patch] CFS scheduler, -v5
On Sunday 22 April 2007, Nick Piggin wrote:
>On Mon, Apr 23, 2007 at 03:12:29AM +0200, Ingo Molnar wrote:
>> i'm pleased to announce release -v5 of the CFS scheduler patchset. The
>> patch against v2.6.21-rc7 and v2.6.20.7 can be downloaded from:
>>
>> http://redhat.com/~mingo/cfs-scheduler/
>>
>> this CFS release mainly fixes regressions and improves interactivity:
>>
>> 13 files changed, 211 insertions(+), 199 deletions(-)
>>
>> the biggest user-visible change in -v5 are various interactivity
>> improvements (especially under higher load) to fix reported regressions,
>> and an improved way of handling nice levels. There's also a new
>> sys_sched_yield_to() syscall implementation for i686 and x86_64.
>>
>> All known regressions have been fixed. (knock on wood)
>
>I think the granularity is still much too low. Why not increase it to
>something more reasonable as a default?
I haven't approached that yet, but I just noticed, having been booted to this
for all of 5 minutes, that although I told it not to renice x when my script
ran 'make oldconfig', and I answered n, but there it is, sitting at -19
according to htop.
The .config says otherwise:
[root@...ote linux-2.6.21-rc7-CFS-v5]# grep RENICE .config
# CONFIG_RENICE_X is not set
So v5 reniced X in spite of the 'no' setting.
Although I hadn't noticed it, one way or the other, I just set it (X) back to
the default -1 so that I'm comparing the same apples when I do compare.
--
Cheers, Gene
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Fortune finishes the great quotations, #2
If at first you don't succeed, think how many people
you've made happy.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists