From: Marc-Christian Petersen <m.c.p@wolk-project.de>
To: Andrea Arcangeli <andrea@suse.de>
Cc: Marcelo Tosatti <marcelo@conectiva.com.br>,
linux-kernel@vger.kernel.org,
Carl-Daniel Hailfinger <c-d.hailfinger.kernel.2003@gmx.net>,
manish <manish@storadinc.com>,
Christian Klose <christian.klose@freenet.de>,
William Lee Irwin III <wli@holomorphy.com>
Subject: Re: 2.4.20: Proccess stuck in __lock_page ...
Date: Tue, 27 May 2003 22:53:06 +0200 [thread overview]
Message-ID: <200305272253.06726.m.c.p@wolk-project.de> (raw)
In-Reply-To: <20030527204519.GQ3767@dualathlon.random>
On Tuesday 27 May 2003 22:45, Andrea Arcangeli wrote:
Hi Andrea,
> > I try to backport BIO and then AS for quite over 2 weeks now, but it
> > seems, at least for me, that it's an impossible mission ;(
> bio breaks all drivers, not a good idea to backport ;)
HAHAHAH. Another wasted 2 weeks in my life ;-)
But why does it brake all drivers? Could you please elaborate a bit?
> note that the anticipatory scheduler generates very bad results with the
> winmark. it certainly has merits but it has large downsides too.
hmm, I am not aware of it, or even I _was_ not aware of it till now.
> I would be also curious if you could compare anticipatory with CFQ. The
> CFQ was designed to provide the highest possible degree of fariness.
I'll can bench it, sure. I used CFQ before I switched to AS because I was
curious about AS and as I didn't see a real difference in latency but AS gave
me more throughput, I use AS from now on.
> I read it on l-k yesterday a few days ago, search emails from Linus with
> Jens somewhere in CC and you should find it.
Already found it :) thank you.
ciao, Marc
next prev parent reply other threads:[~2003-05-27 20:41 UTC|newest]
Thread overview: 142+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-27 3:41 2.4.20: Proccess stuck in __lock_page manish
2003-05-27 4:03 ` Marcelo Tosatti
2003-05-27 4:25 ` manish
2003-05-27 4:59 ` Marcelo Tosatti
2003-05-27 15:29 ` manish
2003-05-27 16:59 ` Marcelo Tosatti
2003-05-27 4:31 ` manish
2003-05-27 14:14 ` Carl-Daniel Hailfinger
2003-05-27 14:28 ` William Lee Irwin III
2003-05-27 17:27 ` Marcelo Tosatti
2003-05-27 17:36 ` Marc-Christian Petersen
2003-05-27 17:47 ` Marcelo Tosatti
2003-05-27 17:52 ` Marc-Christian Petersen
2003-05-27 17:57 ` Marcelo Tosatti
2003-05-27 18:08 ` Marc-Christian Petersen
2003-05-27 18:25 ` Andrea Arcangeli
2003-05-27 18:33 ` Marcelo Tosatti
2003-05-27 18:39 ` Marc-Christian Petersen
2003-05-27 19:00 ` manish
2003-05-27 19:01 ` Marcelo Tosatti
2003-05-27 19:09 ` manish
2003-05-27 19:12 ` manish
2003-05-27 19:28 ` Marcelo Tosatti
2003-05-27 19:34 ` manish
2003-05-27 20:20 ` Andrea Arcangeli
2003-05-27 20:25 ` Marc-Christian Petersen
2003-05-27 20:42 ` manish
2003-05-27 20:47 ` Andrea Arcangeli
2003-05-27 20:50 ` manish
2003-05-27 21:05 ` Andrea Arcangeli
2003-05-27 20:03 ` Andrea Arcangeli
2003-05-27 20:08 ` Marcelo Tosatti
2003-05-27 20:25 ` Andrea Arcangeli
2003-05-27 22:18 ` Andrew Morton
2003-05-27 22:38 ` Andrea Arcangeli
2003-05-27 22:40 ` Andrew Morton
2003-05-27 22:58 ` Andrea Arcangeli
2003-05-27 20:08 ` Chris Mason
2003-05-27 18:35 ` Marc-Christian Petersen
2003-05-27 20:10 ` Andrea Arcangeli
2003-05-27 20:24 ` Marc-Christian Petersen
2003-05-27 20:45 ` Andrea Arcangeli
2003-05-27 20:53 ` Marc-Christian Petersen [this message]
2003-05-27 21:00 ` Jens Axboe
2003-05-27 21:11 ` Marc-Christian Petersen
2003-05-27 21:19 ` Jens Axboe
2003-05-27 20:55 ` Jens Axboe
2003-05-27 21:05 ` William Lee Irwin III
2003-05-27 21:18 ` Jens Axboe
2003-05-27 21:33 ` Andrea Arcangeli
2003-05-27 18:09 ` manish
2003-05-27 17:53 ` manish
2003-05-27 18:01 ` Marc-Christian Petersen
2003-05-27 18:16 ` Marcelo Tosatti
2003-05-27 18:25 ` Marc-Christian Petersen
2003-05-27 18:12 ` Matthias Mueller
2003-05-27 17:36 ` William Lee Irwin III
2003-05-27 17:38 ` Carl-Daniel Hailfinger
2003-05-27 17:50 ` manish
2003-05-27 18:04 ` Marc-Christian Petersen
2003-05-27 23:06 ` Georg Nikodym
2003-05-27 23:26 ` Christopher S. Aker
2003-05-28 5:33 ` Con Kolivas
2003-05-28 6:04 ` Jens Axboe
2003-05-28 7:13 ` Con Kolivas
2003-05-28 7:13 ` Jens Axboe
2003-05-28 7:32 ` Marc-Christian Petersen
2003-05-28 7:35 ` Jens Axboe
2003-05-28 7:51 ` Andrew Morton
2003-05-28 8:30 ` Jens Axboe
2003-05-28 8:43 ` Marc-Christian Petersen
2003-05-28 8:40 ` Marc-Christian Petersen
2003-05-28 10:13 ` Matthias Mueller
2003-05-28 10:18 ` Jens Axboe
2003-05-28 10:23 ` Andrew Morton
2003-05-28 10:25 ` Jens Axboe
2003-05-28 10:48 ` Con Kolivas
2003-05-28 10:50 ` Jens Axboe
2003-05-28 10:59 ` Andrew Morton
2003-05-28 11:17 ` Marc-Christian Petersen
2003-05-28 11:27 ` Andrew Morton
2003-05-28 11:31 ` Marc-Christian Petersen
2003-05-28 12:53 ` Jens Axboe
2003-05-28 12:58 ` Matthias Mueller
2003-05-28 13:07 ` Carl-Daniel Hailfinger
2003-05-28 13:08 ` Jens Axboe
2003-05-28 13:16 ` Matthias Mueller
2003-05-28 13:21 ` Con Kolivas
2003-05-28 13:30 ` Carl-Daniel Hailfinger
2003-05-28 13:33 ` Con Kolivas
2003-05-28 13:27 ` Stefan Foerster
2003-05-28 13:37 ` Stefan Foerster
2003-05-28 14:28 ` Chris Mason
2003-05-28 14:33 ` Jens Axboe
2003-05-28 14:58 ` Chris Mason
2003-05-28 15:39 ` Jens Axboe
2003-05-28 23:38 ` Chris Mason
2003-05-28 13:25 ` Stefan Foerster
2003-05-28 18:19 ` Zwane Mwaikambo
2003-05-28 18:32 ` Zwane Mwaikambo
2003-05-28 18:47 ` Elladan
2003-05-28 23:03 ` Con Kolivas
2003-05-29 13:09 ` Andrea Arcangeli
2003-05-29 15:04 ` Con Kolivas
2003-05-29 16:23 ` Marc-Christian Petersen
2003-05-28 11:41 ` Con Kolivas
2003-05-29 12:52 ` Andrea Arcangeli
2003-05-28 11:03 ` Nick Piggin
2003-05-28 10:29 ` Con Kolivas
2003-05-28 10:29 ` Marc-Christian Petersen
2003-05-28 12:10 ` Matthias Mueller
2003-05-28 12:14 ` Matthias Mueller
2003-05-28 12:21 ` Carl-Daniel Hailfinger
2003-05-28 12:23 ` Matthias Mueller
2003-05-28 12:28 ` Carl-Daniel Hailfinger
2003-05-28 12:38 ` Matthias Mueller
2003-05-29 13:19 ` Andrea Arcangeli
2003-05-29 14:10 ` Matthias Mueller
2003-05-29 16:22 ` Andrea Arcangeli
2003-05-28 14:00 ` Con Kolivas
2003-05-29 13:24 ` Andrea Arcangeli
2003-05-29 13:55 ` Willy Tarreau
2003-05-29 14:09 ` Con Kolivas
2003-05-29 14:38 ` Matthias Mueller
2003-05-29 16:10 ` Willy TARREAU
2003-05-29 14:45 ` Marc-Christian Petersen
2003-05-29 16:06 ` Willy TARREAU
2003-05-29 16:49 ` Andrea Arcangeli
2003-05-29 17:46 ` Willy Tarreau
2003-05-29 16:19 ` Andrea Arcangeli
2003-05-29 1:32 ` manish
2003-05-28 10:24 ` Marc-Christian Petersen
2003-05-28 7:16 ` Marc Wilson
2003-05-28 19:53 ` David Ford
2003-05-28 9:36 ` Ragnar Hojland Espinosa
2003-05-28 9:45 ` Jens Axboe
2003-05-28 9:53 ` Marc-Christian Petersen
2003-05-28 10:01 ` Jens Axboe
2003-05-28 10:58 ` Alan Cox
2003-05-29 8:34 ` Ragnar Hojland Espinosa
[not found] <20030527035006$5339@gated-at.bofh.it>
[not found] ` <20030527175008$3573@gated-at.bofh.it>
[not found] ` <20030527180016$418c@gated-at.bofh.it>
[not found] ` <20030527182011$4acb@gated-at.bofh.it>
[not found] ` <20030528094008$1500@gated-at.bofh.it>
[not found] ` <20030528095014$7b21@gated-at.bofh.it>
2003-05-28 18:55 ` Thomas Tonino
2003-06-02 10:43 ` Jens Axboe
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