From: Samuel Thibault <samuel.thibault@eu.citrix.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O
Date: Mon, 3 Dec 2007 18:08:00 +0100 [thread overview]
Message-ID: <20071203170800.GC3797@implementation> (raw)
In-Reply-To: <475426C7.20503@codemonkey.ws>
Anthony Liguori, le Mon 03 Dec 2007 09:54:47 -0600, a écrit :
> Have you done any performance testing? Buffered IO should absolutely
> beat direct IO simply because buffered IO allows writes to complete
> before they actually hit disk.
Since qemu can use the aio interface, that shouldn't matter.
Samuel
next prev parent reply other threads:[~2007-12-03 17:08 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-03 10:09 [Qemu-devel] [PATCH 0/2 v2] Open disk images with O_DIRECT Laurent Vivier
2007-12-03 10:09 ` [Qemu-devel] [PATCH 1/2 v2] Add "cache" parameter to "-drive" Laurent Vivier
2007-12-03 10:09 ` [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O Laurent Vivier
2007-12-03 10:23 ` Fabrice Bellard
2007-12-03 10:30 ` Laurent Vivier
2007-12-03 11:40 ` Markus Hitter
2007-12-03 15:39 ` Paul Brook
2007-12-03 19:26 ` Samuel Thibault
2007-12-03 15:54 ` Anthony Liguori
2007-12-03 17:08 ` Samuel Thibault [this message]
2007-12-03 17:17 ` Paul Brook
2007-12-03 17:49 ` Jamie Lokier
2007-12-03 18:08 ` Anthony Liguori
2007-12-03 18:40 ` Jamie Lokier
2007-12-03 18:06 ` Anthony Liguori
2007-12-03 19:10 ` Laurent Vivier
2007-12-03 19:16 ` Paul Brook
2007-12-03 21:36 ` Anthony Liguori
2007-12-04 12:49 ` Gerd Hoffmann
2007-12-04 13:02 ` Laurent Vivier
2007-12-04 8:13 ` Laurent Vivier
2007-12-03 21:13 ` Gerd Hoffmann
2007-12-03 21:23 ` Samuel Thibault
2007-12-03 21:38 ` Anthony Liguori
2007-12-04 13:21 ` Gerd Hoffmann
2007-12-04 15:03 ` Anthony Liguori
2007-12-04 16:18 ` Gerd Hoffmann
2007-12-05 14:47 ` Anthony Liguori
2007-12-03 19:14 ` Paul Brook
2007-12-03 19:00 ` Laurent Vivier
2007-12-03 11:14 ` Johannes Schindelin
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