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Re: [Qemu-devel] qemu replay?

From: Blue Swirl
Subject: Re: [Qemu-devel] qemu replay?
Date: Tue, 22 Jul 2008 19:32:54 +0300

On 7/21/08, Tim Leek <address@hidden> wrote:
> A quick question for the gurus.  Please cc my email address with replies?
> Is there anything out there that implements record/replay for Qemu?  I'm
> sure all of you are aware of this paper.  Others have done similar things.

Interesting paper. There are patches to capture network traffic to a
file and some I/O can be captured by recompiling with debug code
enabled. Some of this can be replayed (just keyboard and mouse) using
the monitor interface, but not for other I/O.

Support of record/replay should not be too difficult to add. I haven't
looked, but the live migration stuff in Xen could be a good starting

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