From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: hypercall block read and write
Date: Thu, 13 Jan 2011 09:45:43 -0500
Message-ID: <20110113144542.GA6365@dumpdata.com>
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To: holmesii <albert.holmes@163.com>
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On Tue, Jan 11, 2011 at 07:21:46AM -0800, holmesii wrote:
> 
> Hi, I am new to Xen. Can anyone help me to figure it out?
> My problem is:
> If I want to log the block read and write activities from the unmodified
> guests (no matter what the guest is, WINDOWS, LINUX), how should I do?

blktrace and filter for the qemu pid?

> Should I modify the hypercall function or should I do something in the block
> backend driver or what else?