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Re: [Qemu-devel] [PATCH] Collecting block device statistics
From: |
Daniel P. Berrange |
Subject: |
Re: [Qemu-devel] [PATCH] Collecting block device statistics |
Date: |
Fri, 16 Nov 2007 18:46:08 +0000 |
User-agent: |
Mutt/1.4.1i |
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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