linux-kernel - Re: High contention on the sk_buff

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Message-Id: <20090318.223806.123468340.davem@davemloft.net>
Date:	Wed, 18 Mar 2009 22:38:06 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ghaskins@...ell.com
Cc:	vernux@...ibm.com, andi@...stfloor.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org,
	pmullaney@...ell.com
Subject: Re: High contention on the sk_buff_head.lock

From: Gregory Haskins <ghaskins@...ell.com>
Date: Wed, 18 Mar 2009 23:48:46 -0400

> To see this in action, try taking a moderately large smp system
> (8-way+) and scaling the number of flows.

I can maintain line-rate over 10GB with a 64-cpu box.  It's not
a problem.
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