netdev - Re: intel 82599 multi-port performance

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: <4E808A41.8040902@genband.com>
Date:	Mon, 26 Sep 2011 08:20:49 -0600
From:	Chris Friesen <chris.friesen@...band.com>
To:	"J.Hwan Kim" <frog1120@...il.com>
CC:	netdev <netdev@...r.kernel.org>
Subject: Re: intel 82599 multi-port performance

On 09/26/2011 04:26 AM, J.Hwan Kim wrote:
> Hi, everyone
>
> Now, I'm testing a network card including intel 82599.
> In our experiment, with the driver modified with ixgbe and multi-port
> enabled,

What do you mean by "modified with ixgbe and multi-port enabled"?  You 
shouldn't need to do anything special to use both ports.

> rx performance of each port with 10Gbps of 64bytes frame is
> a half than when only 1 port is used.

Sounds like a cpu limitation.  What is your cpu usage?  How are your 
interrupts routed?  Are you using multiple rx queues?

Chris


-- 
Chris Friesen
Software Developer
GENBAND
chris.friesen@...band.com
www.genband.com
--
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