Re: [Qemu-devel] [PATCH] Collecting block device statistics

[Daniel P. Berrange]

On Fri, Nov 16, 2007 at 03:29:48PM +0000, Richard W.M. Jones wrote:
> Hi,
> 
> I was looking for a way to collect information on the amount of data 
> being written and read from block devices.  The attached patch adds a 
> few counters to the BlockDriverState structure to collect this 
> information, and a new "info blockstats" monitor command to display it.
> 
> This screenshot shows it in action:
> 
> http://www.annexia.org/tmp/Screenshot-QEMU.png
> 
> This is the sort of feature I'd really like to see merged into qemu 
> because it will let us enhance libvirt to centrally collect these stats 
> from qemu instances.

It looks good to me - this would be a very useful feature addition.

Regards,
Dan.
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