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From: "Daniel P. Berrange" <berrange@redhat.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Collecting block device statistics
Date: Fri, 16 Nov 2007 18:46:08 +0000	[thread overview]
Message-ID: <20071116184608.GA2956@redhat.com> (raw)
In-Reply-To: <473DB76C.8050109@redhat.com>

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.
-- 
|=- Red Hat, Engineering, Emerging Technologies, Boston.  +1 978 392 2496 -=|
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      reply	other threads:[~2007-11-16 18:46 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-16 15:29 [Qemu-devel] [PATCH] Collecting block device statistics Richard W.M. Jones
2007-11-16 18:46 ` Daniel P. Berrange [this message]

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