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Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O
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From: |
Samuel Thibault |
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Subject: |
Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O |
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Date: |
Mon, 3 Dec 2007 18:08:00 +0100 |
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User-agent: |
Mutt/1.5.12-2006-07-14 |
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
- [Qemu-devel] [PATCH 0/2 v2] Open disk images with O_DIRECT, Laurent Vivier, 2007/12/03
- [Qemu-devel] [PATCH 1/2 v2] Add "cache" parameter to "-drive", Laurent Vivier, 2007/12/03
- [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Laurent Vivier, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Fabrice Bellard, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Laurent Vivier, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Markus Hitter, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Paul Brook, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Samuel Thibault, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Anthony Liguori, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O,
Samuel Thibault <=
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Paul Brook, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Jamie Lokier, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Anthony Liguori, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Jamie Lokier, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Anthony Liguori, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Laurent Vivier, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Paul Brook, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Anthony Liguori, 2007/12/03
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Gerd Hoffmann, 2007/12/04
- Re: [Qemu-devel] [PATCH 2/2 v2] Direct IDE I/O, Laurent Vivier, 2007/12/04