Re: [Xen-devel] Question: block device for HVM

[Randy <randy.han@xxxxxxxxx>]

On 2011-2-22 15:53, Fajar A. Nugraha wrote:
> On Tue, Feb 22, 2011 at 2:14 PM, Randy<randy.han@xxxxxxxxx>  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.

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