From mboxrd@z Thu Jan  1 00:00:00 1970
From: Randy <randy.han@gmail.com>
Subject: Re: Question: block device for HVM
Date: Tue, 22 Feb 2011 15:55:16 +0800
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To: "Fajar A. Nugraha" <list@fajar.net>
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On 2011-2-22 15:53, Fajar A. Nugraha wrote:
> On Tue, Feb 22, 2011 at 2:14 PM, Randy<randy.han@gmail.com>  wrote:
>> Hi all,
>>
>> I want to get the statistics of block device of HVM. I found xen created a
>> vbd (/sys/bus/xen-backend/devices/vbd-1-768) when I created a HVM. But the
>> vbd statistics (e.g. rd_req, wr_req, wr_sect, rd_sect) are all 0. For PV
>> guest or PV driver, I can get the vbd's statistics directly. So I'm
>> wondering vbd is not really used by HVM. Could anyone kindly tell me which
>> device is used for block device in dom0 for HVM? Thanks in advance.
> If the HVM domU uses PV drivers (like gplpv) the stats will be updated.
>
Yes, but I want the stats without pv drivers.