From: Thomas Gleixner <tglx@linutronix.de>
To: Willy Tarreau <w@1wt.eu>
Cc: Ingo Molnar <mingo@elte.hu>, Kasper Sandberg <lkml@metanurb.dk>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Gene Heskett <gene.heskett@gmail.com>,
linux-kernel@vger.kernel.org, Con Kolivas <kernel@kolivas.org>,
Nick Piggin <npiggin@suse.de>, Mike Galbraith <efault@gmx.de>,
Arjan van de Ven <arjan@infradead.org>,
Peter Williams <pwil3058@bigpond.net.au>,
caglar@pardus.org.tr, Mark Lord <lkml@rtr.ca>,
Zach Carter <linux@zachcarter.com>,
buddabrod <buddabrod@gmail.com>
Subject: Re: [patch] CFS scheduler, -v6
Date: Sun, 29 Apr 2007 13:59:13 +0200 [thread overview]
Message-ID: <1177847954.5791.98.camel@localhost.localdomain> (raw)
In-Reply-To: <20070429111159.GH23638@1wt.eu>
On Sun, 2007-04-29 at 13:11 +0200, Willy Tarreau wrote:
> > As a sidenote: I really wonder if anybody noticed yet, that the whole
> > CFS / SD comparison is so ridiculous, that it is not even funny anymore.
>
> Contrarily to most people, I don't see them as competitors. I see SD as
> a first step with a low risk of regression, and CFS as an ultimate
> solution relying on a more solid framework.
That's the whole reason why I don't see any usefulness in merging SD
now. When we merge SD now, then we need to care of both - the real
solution and the fixup of regressions. Right now we have a not perfect
scheduler with known weak points. Ripping it out and replacing it is
going to introduce regressions, what ever low risk you see.
And I still do not see a benefit of an intermediate step with a in my
opinion medium to high risk of regressions, instead of going the full
way, when we agree that this is the correct solution.
tglx
next prev parent reply other threads:[~2007-04-29 11:57 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-25 21:47 [patch] CFS scheduler, -v6 Ingo Molnar
2007-04-26 2:14 ` Gene Heskett
2007-04-26 3:29 ` Nick Piggin
2007-04-26 3:49 ` Andrew Morton
2007-04-26 4:16 ` William Lee Irwin III
2007-04-26 8:27 ` Ingo Molnar
2007-04-26 9:18 ` Ingo Molnar
2007-04-26 14:06 ` Redeeman
2007-04-26 14:41 ` Gene Heskett
2007-04-26 20:09 ` Kasper Sandberg
2007-04-26 21:21 ` Gene Heskett
2007-04-27 4:02 ` Mike Galbraith
2007-04-27 6:01 ` Mike Galbraith
2007-04-27 11:53 ` Ingo Molnar
2007-04-27 11:55 ` Ingo Molnar
2007-04-27 13:39 ` Thomas Gleixner
2007-04-27 13:41 ` Ingo Molnar
2007-04-27 13:44 ` Thomas Gleixner
2007-04-28 15:35 ` Kasper Sandberg
2007-04-28 20:45 ` Lee Revell
2007-04-29 1:18 ` Kasper Sandberg
2007-04-29 5:30 ` Willy Tarreau
2007-04-29 6:45 ` Mike Galbraith
2007-04-29 6:59 ` Ingo Molnar
2007-04-29 7:16 ` Willy Tarreau
2007-04-29 7:30 ` Ingo Molnar
2007-04-29 7:38 ` Willy Tarreau
2007-04-29 8:00 ` Ingo Molnar
2007-04-29 8:02 ` Willy Tarreau
2007-04-29 9:52 ` Con Kolivas
2007-04-29 10:19 ` Mike Galbraith
2007-04-29 7:54 ` William Lee Irwin III
2007-04-29 8:03 ` Ingo Molnar
2007-04-29 8:16 ` William Lee Irwin III
2007-04-29 8:13 ` Willy Tarreau
2007-04-29 8:58 ` William Lee Irwin III
2007-04-29 8:11 ` Mike Galbraith
2007-04-29 10:30 ` Thomas Gleixner
2007-04-29 10:33 ` William Lee Irwin III
2007-04-29 10:48 ` Kasper Sandberg
2007-04-29 11:25 ` Thomas Gleixner
2007-04-29 10:53 ` Con Kolivas
2007-04-29 11:11 ` Bill Huey
2007-04-29 11:50 ` Thomas Gleixner
2007-04-29 11:11 ` Willy Tarreau
2007-04-29 11:46 ` Con Kolivas
2007-04-29 12:09 ` Paolo Ciarrocchi
2007-04-29 15:39 ` Gene Heskett
2007-04-29 11:59 ` Thomas Gleixner [this message]
2007-04-29 12:25 ` Willy Tarreau
2007-04-29 12:00 ` Kasper Sandberg
2007-04-29 12:13 ` Thomas Gleixner
2007-04-29 12:21 ` Kasper Sandberg
2007-04-29 12:55 ` William Lee Irwin III
2007-04-29 13:37 ` Thomas Gleixner
2007-05-01 7:55 ` Nick Piggin
2007-05-01 13:00 ` William Lee Irwin III
2007-04-29 20:30 ` Mark Lord
2007-04-29 15:28 ` Gene Heskett
2007-04-29 7:59 ` Kasper Sandberg
2007-04-29 8:05 ` Ingo Molnar
2007-04-29 15:42 ` Ray Lee
2007-04-29 17:09 ` Kasper Sandberg
2007-04-29 6:47 ` Ingo Molnar
[not found] ` <20070429170908.GA31417@elte.hu>
[not found] ` <20070429173902.GA4349@elte.hu>
2007-04-30 17:45 ` 3d smoothness (was: Re: [patch] CFS scheduler, -v6) Kasper Sandberg
2007-04-30 20:17 ` Ingo Molnar
2007-04-30 20:44 ` Kasper Sandberg
2007-04-27 12:52 ` [patch] CFS scheduler, -v6 William Lee Irwin III
2007-04-27 13:02 ` Ingo Molnar
2007-04-27 21:16 ` Lee Revell
2007-04-26 22:48 ` Con Kolivas
2007-04-27 0:39 ` Gene Heskett
2007-04-27 0:57 ` Con Kolivas
2007-04-27 1:03 ` Gene Heskett
2007-04-27 20:54 ` Bill Davidsen
2007-04-26 16:05 ` Mike Galbraith
2007-04-26 19:27 ` Thomas Gleixner
2007-04-26 19:35 ` Ingo Molnar
2007-04-26 19:42 ` Thomas Gleixner
2007-04-26 20:11 ` Ingo Molnar
2007-04-27 13:19 ` Mark Lord
2007-04-27 13:22 ` Mark Lord
2007-04-27 13:45 ` Ingo Molnar
2007-04-28 12:45 ` Srivatsa Vaddagiri
2007-04-28 13:53 ` Ingo Molnar
2007-04-28 15:23 ` Srivatsa Vaddagiri
2007-04-28 15:22 ` Ingo Molnar
2007-04-28 15:28 ` Srivatsa Vaddagiri
-- strict thread matches above, loose matches on Subject: below --
2007-04-27 21:59 Art Haas
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