From: William Lee Irwin III <wli@holomorphy.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.8-rc3-mm2
Date: Mon, 9 Aug 2004 23:32:54 -0700 [thread overview]
Message-ID: <20040810063254.GD11200@holomorphy.com> (raw)
In-Reply-To: <20040808152936.1ce2eab8.akpm@osdl.org>
On Sun, Aug 08, 2004 at 03:29:36PM -0700, Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.8-rc3/2.6.8-rc3-mm2/
> - Added a little patch to the CPU scheduler which disables its array
> switching.
> This is purely experimental and will cause high-priority tasks to starve
> lower-priority tasks indefinitely. It is here to determine whether it is
> this aspect of the scheduler which caused the staircase scheduler to exhibit
> improved throughput in some tests on NUMAq.
This patch can't do what the changelog claims it does; if it did, its
implementation of yield() would render the yielding process forever
unrunnable, plus the active/expired reassignment on sched.c:2672 would
have gone away. What is it actually meant to do?
-- wli
next prev parent reply other threads:[~2004-08-10 6:33 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-08 22:29 2.6.8-rc3-mm2 Andrew Morton
2004-08-08 22:55 ` 2.6.8-rc3-mm2 Brice Goglin
2004-08-08 23:04 ` 2.6.8-rc3-mm2 Andrew Morton
2004-08-08 23:17 ` 2.6.8-rc3-mm2 Andrew Morton
2004-08-09 2:17 ` [patch] 2.6.8-rc3-mm2: sk98lin/skge.c doesn't compile with PROC_FS=n Adrian Bunk
2004-08-09 5:14 ` 2.6.8-rc3-mm2 (compile stats) John Cherry
2004-08-09 8:20 ` 2.6.8-rc3-mm2 Rick Lindsley
2004-08-09 8:25 ` 2.6.8-rc3-mm2 Andrew Morton
2004-08-09 8:29 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-09 8:33 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-09 8:43 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-09 8:49 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-09 10:36 ` 2.6.8-rc3-mm2 Espen Fjellvær Olsen
2004-08-09 12:14 ` 2.6.8-rc3-mm2 Vladimir V. Saveliev
2004-08-09 17:51 ` 2.6.8-rc3-mm2 Hans Reiser
2004-08-09 17:50 ` 2.6.8-rc3-mm2 Johannes Stezenbach
2004-08-09 18:22 ` 2.6.8-rc3-mm2 Jesse Barnes
2004-08-09 18:25 ` 2.6.8-rc3-mm2 Andrew Morton
2004-08-09 18:32 ` 2.6.8-rc3-mm2 Jesse Barnes
2004-08-09 19:17 ` 2.6.8-rc3-mm2 Jesse Barnes
2004-08-09 19:53 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-09 20:43 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-09 21:10 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-09 22:45 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 6:34 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 8:02 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 8:30 ` 2.6.8-rc3-mm2 Ingo Molnar
2004-08-10 8:56 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 9:00 ` 2.6.8-rc3-mm2 Ingo Molnar
2004-08-10 9:06 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 8:04 ` 2.6.8-rc3-mm2 Ingo Molnar
2004-08-10 8:08 ` 2.6.8-rc3-mm2 Ingo Molnar
2004-08-10 8:17 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 8:23 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 9:00 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 9:38 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 10:02 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 11:53 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 12:52 ` 2.6.8-rc3-mm2 V13
2004-08-10 12:51 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 12:55 ` 2.6.8-rc3-mm2 Ingo Molnar
2004-08-10 12:56 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 13:01 ` 2.6.8-rc3-mm2 Ingo Molnar
2004-08-10 13:10 ` 2.6.8-rc3-mm2 William Lee Irwin III
2004-08-10 13:12 ` 2.6.8-rc3-mm2 Russell King
2004-08-10 13:16 ` 2.6.8-rc3-mm2 Ingo Molnar
2004-08-10 13:39 ` 2.6.8-rc3-mm2 Russell King
2004-08-10 13:48 ` 2.6.8-rc3-mm2 Ingo Molnar
2004-08-10 6:32 ` William Lee Irwin III [this message]
2004-08-10 8:34 ` 2.6.8-rc3-mm2 Rick Lindsley
2004-08-10 14:55 ` 2.6.8-rc3-mm2 Martin J. Bligh
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