netdev - Re: [PATCH] virtio: Avoid virtio

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Date:	Thu, 17 Mar 2011 09:50:26 -0700
From:	Shirley Ma <mashirle@...ibm.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	David Miller <davem@...emloft.net>, kvm@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] virtio: Avoid virtio_net TX queue over run

On Thu, 2011-03-17 at 07:05 +0200, Michael S. Tsirkin wrote:
> Could you add CPU utilization data pls? I also wonder what does this
> do
> to UDP?  Won't a lot of packets be dropped?

Guest CPU utilization slightly increased a few %.

UDP performance send rate increased 200% - 400%, recv rate increased
from 10% to around 40% w/i recv errors. I will tune the buffers to see
any better.

I am putting all data together and post the results here soon.

Thanks
Shirley

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