From: Ed Tomlinson <tomlins@cam.org>
To: linux-kernel@vger.kernel.org
Cc: Jens Axboe <axboe@suse.de>
Subject: Re: [PATCH] CFQ scheduler, #2
Date: Fri, 14 Feb 2003 16:38:44 -0500 [thread overview]
Message-ID: <200302141638.44843.tomlins@cam.org> (raw)
In-Reply-To: <3DF54BD7.726993D@digeo.com>
Jens Axboe wrote:
> The version posted the other day did fair queueing of requests between
> processes, but it did not help to provide fair request allocation. This
> version does that too, results are rather remarkable. In addition, the
> following changes were made:
The numbers from the second message are nice - especially considering this
is only the second iteration...
A question about io priorities. I wonder if they could not be implemented
via a per pid cfq_quantum? If I am not missunderstanding things, a bigger
value here for a given process should mean that it gets a larger share of
the io bandwidth...
Comments?
Ed Tomlinson
next prev parent reply other threads:[~2003-02-14 21:31 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-09 8:26 2.5.50-mm2 Andrew Morton
2002-12-13 22:55 ` 2.5.50-mm2 Christoph Hellwig
2002-12-13 19:58 ` 2.5.50-mm2 Andrew Morton
[not found] ` <200212092059.06287.tomlins@cam.org>
[not found] ` <3DF54BD7.726993D@digeo.com>
2003-02-05 4:41 ` [PATCH] let kernel find QT in latest debian sid Ed Tomlinson
2003-02-11 13:13 ` [BUG] link error in usbserial with gcc3.2 Ed Tomlinson
2003-02-12 1:59 ` Ed Tomlinson
2003-02-18 5:51 ` Greg KH
2003-02-18 12:50 ` Ed Tomlinson
2003-02-13 13:18 ` [PATCH] (0-2) governors for 60-bk Ed Tomlinson
2003-02-14 21:38 ` Ed Tomlinson [this message]
2003-02-15 8:33 ` [PATCH] CFQ scheduler, #2 Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2003-02-14 14:19 Jens Axboe
2003-02-14 14:51 ` Jens Axboe
2003-02-15 10:00 ` Mike Galbraith
2003-02-15 11:22 ` Rik van Riel
2003-02-15 16:35 ` Jens Axboe
2003-02-16 6:24 ` Mike Galbraith
[not found] ` <Pine.LNX.4.50L.0302150920510.16301-100000@imladris.surriel .com>
2003-02-15 11:40 ` Mike Galbraith
2003-02-15 11:49 ` Rik van Riel
2003-02-15 12:01 ` William Lee Irwin III
[not found] ` <Pine.LNX.4.50L.0302150947570.20371-100000@imladris.surriel .com>
2003-02-15 12:07 ` Mike Galbraith
2003-02-15 16:00 ` Mike Galbraith
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