linux-kernel - Re: [PATCH] virtio-blk: Add stats VQ to collect information about devices

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Date:	Thu, 18 Aug 2011 20:59:13 +0300
From:	Sasha Levin <levinsasha928@...il.com>
To:	Avi Kivity <avi@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
	Pekka Enberg <penberg@...nel.org>, Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] virtio-blk: Add stats VQ to collect information about
 devices

On Thu, 2011-08-18 at 10:36 -0700, Avi Kivity wrote:
> On 08/18/2011 09:29 AM, Sasha Levin wrote:
> > >
> > >  What can you do with it?
> > >
> >
> > I was actually planning on submitting another patch that would add
> > something similar into virtio-net. My plan was to enable collecting
> > statistics regarding memory, network and disk usage in a simple manner
> > without accessing guests.
> >
> > How can this be used? my vision behind it was automation of kernel
> > testing and benchmarking.
> >
> 
> This is something that can be used by very few people, but everyone has 
> to carry it.  It's more efficient to add statistics support to your 
> automation framework (involving the guest).
> 

That was just one example of many possibilities. However, if you feel
this can't be used within monitoring or management platforms anyhow then
I'm ok with dropping it.

-- 

Sasha.

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