netdev - Re: [PATCH] virtio: Avoid virtio

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1300380626.3255.53.camel@localhost.localdomain>
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

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html