From: William Lee Irwin III <wli@holomorphy.com>
To: Rik van Riel <riel@imladris.surriel.com>
Cc: Mike Galbraith <efault@gmx.de>, Jens Axboe <axboe@suse.de>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] CFQ scheduler, #2
Date: Sat, 15 Feb 2003 04:01:06 -0800 [thread overview]
Message-ID: <20030215120106.GF29983@holomorphy.com> (raw)
In-Reply-To: <Pine.LNX.4.50L.0302150947570.20371-100000@imladris.surriel.com>
On Sat, Feb 15, 2003 at 09:49:15AM -0200, Rik van Riel wrote:
> pgscan 2751953 5328260 <== ? hmm
> kswapd_steal 380282 522126
> pageoutrun 1107 1956
> allocstall 3472 1238
$ echo $(( 5328260/1956.0 ))
2724.0593047034763
$ echo $(( (5328260/1956.0)*4 ))
10896.237218813905
That's 2724 pages or 11MB scanned per pageout run. Order-of-magnitude
better ratio for pages stolen per pageout run. Wouldn't mind seeing a
patch that improves this.
-- wli
next prev parent reply other threads:[~2003-02-15 11:52 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-14 14:19 [PATCH] CFQ scheduler, #2 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 [this message]
[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
-- strict thread matches above, loose matches on Subject: below --
2002-12-09 8:26 2.5.50-mm2 Andrew Morton
[not found] ` <200212092059.06287.tomlins@cam.org>
[not found] ` <3DF54BD7.726993D@digeo.com>
2003-02-14 21:38 ` [PATCH] CFQ scheduler, #2 Ed Tomlinson
2003-02-15 8:33 ` Jens Axboe
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