From: Arthur Kepner <akepner@sgi.com>
To: Ravinandan Arakali <ravinandan.arakali@neterion.com>
Cc: netdev@oss.sgi.com, bonding-devel@lists.sourceforge.net,
"Leonid. Grossman (E-mail)" <leonid.grossman@neterion.com>,
"Raghavendra. Koushik (E-mail)"
<raghavendra.koushik@neterion.com>
Subject: Re: High CPU utilization with Bonding driver ?
Date: Tue, 29 Mar 2005 10:29:07 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.61.0503291027240.23261@linux.site> (raw)
In-Reply-To: <001601c5348c$3f417f50$3a10100a@pc.s2io.com>
On Tue, 29 Mar 2005, Ravinandan Arakali wrote:
> ....
> Results(8 nttcp/chariot streams):
> ---------------------------------
> 1. Combined throughputs(but no bonding):
> 3.1 + 6.2 = 9.3 Gbps with 58% CPU idle.
>
> 2. eth0 and eth1 bonded together in LACP mode:
> 8.2 Gbps with 1% CPU idle.
>
> From the above results, when Bonding driver is used(#2), the CPUs are
> completely maxed out compared to the case when traffic is run
> simultaneously on both the cards(#1).
> Can anybody suggest some reasons for the above behavior ?
>
Ravi;
Have you tried this patch?
http://marc.theaimsgroup.com/?l=linux-netdev&m=111091146828779&w=2
If not, it will likely go a long way to solving your
problem.
--
Arthur
next prev parent reply other threads:[~2005-03-29 18:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-29 18:22 High CPU utilization with Bonding driver ? Ravinandan Arakali
2005-03-29 18:29 ` Arthur Kepner [this message]
2005-03-29 19:13 ` Ravinandan Arakali
2005-04-05 0:49 ` Ravinandan Arakali
2005-04-05 3:03 ` Arthur Kepner
2005-04-05 19:04 ` Ravinandan Arakali
2005-04-05 20:31 ` Jay Vosburgh
2005-04-05 21:40 ` Ravinandan Arakali
2005-04-13 21:29 ` Ravinandan Arakali
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