From: Andrea Arcangeli <andrea@suse.de>
To: Zlatko Calusic <zlatko.calusic@iskon.hr>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Jens Axboe <axboe@suse.de>,
Marcelo Tosatti <marcelo@conectiva.com.br>,
linux-mm@kvack.org, lkml <linux-kernel@vger.kernel.org>
Subject: Zlatko's I/O slowdown status
Date: Fri, 2 Nov 2001 06:52:55 +0100 [thread overview]
Message-ID: <20011102065255.B3903@athlon.random> (raw)
In-Reply-To: <Pine.LNX.4.33.0110261018270.1001-100000@penguin.transmeta.com> <87k7xfk6zd.fsf@atlas.iskon.hr>
In-Reply-To: <87k7xfk6zd.fsf@atlas.iskon.hr>; from zlatko.calusic@iskon.hr on Sun, Oct 28, 2001 at 06:30:14PM +0100
Hello Zlatko,
I'm not sure how the email thread ended but I noticed different
unplugging of the I/O queues in mainline (mainline was a little more
overkill than -ac) and also wrong bdflush histeresis (pre-wakekup of
bdflush to avoid blocking if the write flood could be sustained by the
bandwith of the HD was missing for example).
So you may want to give a spin to pre6aa1 and see if it makes any
difference, if it makes any difference I'll know what your problem is
(see the buffer.c part of the vm-10 patch in pre6aa1 for more details).
thanks,
Andrea
WARNING: multiple messages have this Message-ID (diff)
From: Andrea Arcangeli <andrea@suse.de>
To: Zlatko Calusic <zlatko.calusic@iskon.hr>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Jens Axboe <axboe@suse.de>,
Marcelo Tosatti <marcelo@conectiva.com.br>,
linux-mm@kvack.org, lkml <linux-kernel@vger.kernel.org>
Subject: Zlatko's I/O slowdown status
Date: Fri, 2 Nov 2001 06:52:55 +0100 [thread overview]
Message-ID: <20011102065255.B3903@athlon.random> (raw)
In-Reply-To: <87k7xfk6zd.fsf@atlas.iskon.hr>; from zlatko.calusic@iskon.hr on Sun, Oct 28, 2001 at 06:30:14PM +0100
Hello Zlatko,
I'm not sure how the email thread ended but I noticed different
unplugging of the I/O queues in mainline (mainline was a little more
overkill than -ac) and also wrong bdflush histeresis (pre-wakekup of
bdflush to avoid blocking if the write flood could be sustained by the
bandwith of the HD was missing for example).
So you may want to give a spin to pre6aa1 and see if it makes any
difference, if it makes any difference I'll know what your problem is
(see the buffer.c part of the vm-10 patch in pre6aa1 for more details).
thanks,
Andrea
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next prev parent reply other threads:[~2001-11-02 5:53 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-24 10:42 xmm2 - monitor Linux MM active/inactive lists graphically Zlatko Calusic
2001-10-24 10:42 ` Zlatko Calusic
2001-10-24 14:26 ` Marcelo Tosatti
2001-10-24 14:26 ` Marcelo Tosatti
2001-10-25 0:25 ` Zlatko Calusic
2001-10-25 0:25 ` Zlatko Calusic
2001-10-25 1:50 ` Simon Kirby
2001-10-25 4:19 ` Linus Torvalds
2001-10-25 4:19 ` Linus Torvalds
2001-10-25 4:57 ` Linus Torvalds
2001-10-25 4:57 ` Linus Torvalds
2001-10-25 12:48 ` Zlatko Calusic
2001-10-25 12:48 ` Zlatko Calusic
2001-10-25 16:31 ` Linus Torvalds
2001-10-25 16:31 ` Linus Torvalds
2001-10-25 17:33 ` Jens Axboe
2001-10-25 17:33 ` Jens Axboe
2001-10-26 9:45 ` Zlatko Calusic
2001-10-26 9:45 ` Zlatko Calusic
2001-10-26 10:08 ` Zlatko Calusic
2001-10-26 10:08 ` Zlatko Calusic
2001-10-26 14:39 ` Jens Axboe
2001-10-26 14:39 ` Jens Axboe
2001-10-26 14:57 ` Zlatko Calusic
2001-10-26 14:57 ` Zlatko Calusic
2001-10-26 15:01 ` Jens Axboe
2001-10-26 15:01 ` Jens Axboe
2001-10-26 16:04 ` Linus Torvalds
2001-10-26 16:04 ` Linus Torvalds
2001-10-26 16:57 ` Linus Torvalds
2001-10-26 16:57 ` Linus Torvalds
2001-10-26 17:19 ` Linus Torvalds
2001-10-26 17:19 ` Linus Torvalds
2001-10-28 17:30 ` Zlatko Calusic
2001-10-28 17:30 ` Zlatko Calusic
2001-10-28 17:34 ` Linus Torvalds
2001-10-28 17:34 ` Linus Torvalds
2001-10-28 17:48 ` Alan Cox
2001-10-28 17:48 ` Alan Cox
2001-10-28 17:59 ` Linus Torvalds
2001-10-28 17:59 ` Linus Torvalds
2001-10-28 18:22 ` Alan Cox
2001-10-28 18:22 ` Alan Cox
2001-10-28 18:46 ` Linus Torvalds
2001-10-28 18:46 ` Linus Torvalds
2001-10-28 19:29 ` Alan Cox
2001-10-28 19:29 ` Alan Cox
2001-10-28 22:04 ` Linus Torvalds
2001-10-28 18:56 ` Andrew Morton
2001-10-28 18:56 ` Andrew Morton
2001-10-30 8:56 ` Jens Axboe
2001-10-30 8:56 ` Jens Axboe
2001-10-30 9:26 ` Zlatko Calusic
2001-10-30 19:07 ` Josh McKinney
2001-10-28 19:13 ` Barry K. Nathan
2001-10-28 19:13 ` Barry K. Nathan
2001-10-28 21:42 ` Jonathan Morton
2001-10-28 21:42 ` Jonathan Morton
2001-11-02 5:52 ` Andrea Arcangeli [this message]
2001-11-02 5:52 ` Zlatko's I/O slowdown status Andrea Arcangeli
2001-11-02 20:14 ` Zlatko Calusic
2001-11-02 20:14 ` Zlatko Calusic
2001-11-02 20:16 ` Jeffrey W. Baker
2001-11-02 20:36 ` John Alvord
2001-11-02 21:16 ` Zlatko Calusic
2001-11-02 20:26 ` Rik van Riel
2001-11-02 21:22 ` Zlatko Calusic
2001-11-02 20:57 ` Andrea Arcangeli
2001-11-02 20:57 ` Andrea Arcangeli
2001-11-02 23:23 ` Simon Kirby
2001-11-02 23:23 ` Simon Kirby
2001-11-02 23:37 ` Miquel van Smoorenburg
2001-10-27 13:14 ` xmm2 - monitor Linux MM active/inactive lists graphically Giuliano Pochini
2001-10-27 13:14 ` Giuliano Pochini
2001-10-28 5:05 ` Mike Fedyk
2001-10-28 5:05 ` Mike Fedyk
2001-10-25 9:07 ` Zlatko Calusic
2001-10-25 9:07 ` Zlatko Calusic
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