netdev - Re: [PATCH v6] net: batch skb dequeueing from softnet input_pkt

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Message-Id: <1272315791.8918.41.camel@bigi>
Date:	Mon, 26 Apr 2010 17:03:11 -0400
From:	jamal <hadi@...erus.ca>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Changli Gao <xiaosuo@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Tom Herbert <therbert@...gle.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	netdev@...r.kernel.org
Subject: Re: [PATCH v6] net: batch skb dequeueing from softnet
 input_pkt_queue

On Mon, 2010-04-26 at 16:03 +0200, Eric Dumazet wrote:

> 
> Jamal, I have a Nehalem setup now, and I can see
> _raw_spin_lock_irqsave() abuse is not coming from network tree, but from
> clockevents_notify()

yikes. Thanks Eric - I shouldve been able to figure that one out. But
why is this thing expensive? I will run the test tommorow and see if i
see the same thing. 

cheers,
jamal



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