From: Lou Langholtz <ldl@aros.net>
To: Con Kolivas <kernel@kolivas.org>
Cc: Marc-Christian Petersen <m.c.p@wolk-project.de>,
Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>,
LKML <linux-kernel@vger.kernel.org>,
mingo@elte.hu
Subject: Re: Ingo Molnar and Con Kolivas 2.6 scheduler patches
Date: Sat, 26 Jul 2003 10:42:38 -0600 [thread overview]
Message-ID: <3F22AF7E.1080601@aros.net> (raw)
In-Reply-To: <200307270047.54349.kernel@kolivas.org>
Con Kolivas wrote:
>. . .
>Actually this is not strange to me. It has become obvious that the problems
>with interactivity that have evolved in 2.5 are not scheduler related. Just
>try plugging in all the old 2.4 O(1) scheduler settings into the current
>scheduler and you will see that it still performs badly. What exactly is the
>cause is a mystery but seems to be more a combination of factors with a
>careful look at the way the vm behaves being part of that. . . .
>
Any chance that the problem may be due to the block layer system (and
block driver(s)) getting more cycles than it should? Particularly with
the out-of-band like work queue scheduling? That would at least explain
the scheduling oddities I'm seeing with 2.6.0-test1 after a minute of so
of intense I/O.
next prev parent reply other threads:[~2003-07-26 16:27 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-26 9:30 Ingo Molnar and Con Kolivas 2.6 scheduler patches Felipe Alfaro Solana
2003-07-26 9:46 ` Marc-Christian Petersen
2003-07-26 10:02 ` Ismael Valladolid Torres
2003-07-26 10:10 ` Eugene Teo
2003-07-26 11:24 ` Ed Sweetman
2003-07-26 17:00 ` Rahul Karnik
2003-07-27 15:46 ` Daniel Phillips
2003-07-26 16:52 ` Diego Calleja García
2003-07-26 18:35 ` Andrew Morton
2003-07-26 23:01 ` Diego Calleja García
2003-07-28 9:38 ` Felipe Alfaro Solana
2003-07-28 10:37 ` Måns Rullgård
2003-07-28 17:06 ` Diego Calleja García
2003-07-27 2:38 ` Con Kolivas
2003-07-27 7:39 ` Willy Tarreau
2003-07-27 9:12 ` Ingo Molnar
2003-07-27 11:54 ` Con Kolivas
2003-07-27 20:18 ` Daniel Phillips
2003-07-26 22:05 ` Ed Sweetman
2003-08-01 15:38 ` Daniel Phillips
2003-07-31 23:02 ` Ed Sweetman
2003-07-27 2:39 ` Ed Sweetman
2003-07-29 13:56 ` Timothy Miller
2003-07-29 13:57 ` Con Kolivas
2003-07-29 15:30 ` Timothy Miller
2003-07-29 15:52 ` Helge Hafting
2003-07-29 16:26 ` Timothy Miller
2003-07-30 14:46 ` Daniel Phillips
2003-07-29 15:40 ` Timothy Miller
2003-07-30 16:17 ` Daniel Phillips
2003-08-08 21:09 ` Bill Huey
2003-08-06 21:28 ` Rob Landley
2003-08-07 9:34 ` Helge Hafting
2003-08-07 15:42 ` Daniel Phillips
2003-08-07 20:45 ` William Lee Irwin III
2003-08-07 20:51 ` Rob Landley
2003-08-07 21:40 ` Ed Sweetman
2003-08-07 22:17 ` William Lee Irwin III
2003-08-08 0:01 ` Rob Landley
2003-08-09 20:52 ` George Anzinger
2003-08-14 0:24 ` Rob Landley
2003-08-14 8:01 ` George Anzinger
2003-08-16 9:10 ` Rob Landley
2003-08-16 14:29 ` APM and 2.5.75 not resuming properly Jamie Lokier
2003-08-16 15:03 ` Stephen Rothwell
2003-08-16 16:12 ` Jamie Lokier
2003-08-16 20:43 ` Rob Landley
2003-08-13 3:38 ` Ingo Molnar and Con Kolivas 2.6 scheduler patches George Anzinger
2003-08-08 6:08 ` Daniel Phillips
2003-07-26 12:08 ` Ismael Valladolid Torres
2003-07-26 14:54 ` Con Kolivas
2003-07-26 14:49 ` Con Kolivas
2003-07-26 14:47 ` Con Kolivas
2003-07-26 16:42 ` Lou Langholtz [this message]
2003-07-26 16:40 ` Jens Axboe
2003-07-26 18:19 ` William Lee Irwin III
2003-07-26 18:31 ` Felipe Alfaro Solana
2003-07-26 19:20 ` William Lee Irwin III
2003-07-26 19:47 ` William Lee Irwin III
2003-07-27 9:24 ` Ingo Molnar
2003-07-27 9:57 ` Con Kolivas
2003-07-27 10:02 ` Ingo Molnar
2003-07-27 10:19 ` Con Kolivas
2003-07-28 22:44 ` Timothy Miller
-- strict thread matches above, loose matches on Subject: below --
2003-07-26 14:44 Downing, Thomas
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