From: Shirley Ma <mashirle@us.ibm.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
David Miller <davem@davemloft.net>,
kvm@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] virtio: Avoid virtio_net TX queue over run
Date: Thu, 17 Mar 2011 09:50:26 -0700 [thread overview]
Message-ID: <1300380626.3255.53.camel@localhost.localdomain> (raw)
In-Reply-To: <20110317050538.GD32049@redhat.com>
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
next prev parent reply other threads:[~2011-03-17 16:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-17 0:09 [PATCH] virtio: Avoid virtio_net TX queue over run Shirley Ma
2011-03-17 5:05 ` Michael S. Tsirkin
2011-03-17 16:50 ` Shirley Ma [this message]
2011-03-17 16:58 ` Eric Dumazet
2011-03-17 17:01 ` Shirley Ma
2011-03-17 18:49 ` Shirley Ma
2011-03-17 18:52 ` Shirley Ma
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