From mboxrd@z Thu Jan  1 00:00:00 1970
From: Shirley Ma <mashirle@us.ibm.com>
Subject: Re: Network performance with small packets
Date: Tue, 08 Mar 2011 13:57:24 -0800
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	 <OF5CFD7B6A.4CBE4E3B-ON6525782B.0014DC5B-6525782B.001979CB@in.ibm.com>
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	 <201102091107.20270.rusty@rustcorp.com.au>
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Cc: "Michael S. Tsirkin" <mst@redhat.com>,
	Krishna Kumar2 <krkumar2@in.ibm.com>,
	David Miller <davem@davemloft.net>, kvm@vger.kernel.org,
	netdev@vger.kernel.org, steved@us.ibm.com
To: Rusty Russell <rusty@rustcorp.com.au>
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On Wed, 2011-02-09 at 11:07 +1030, Rusty Russell wrote:
> I've finally read this thread... I think we need to get more serious
> with our stats gathering to diagnose these kind of performance issues.
> 
> This is a start; it should tell us what is actually happening to the
> virtio ring(s) without significant performance impact... 

Should we also add similar stat on vhost vq as well for monitoring
vhost_signal & vhost_notify?

Shirley