From mboxrd@z Thu Jan  1 00:00:00 1970
From: jamal <hadi@cyberus.ca>
Subject: Re: [PATCH net-next-2.6] net: speedup udp receive path
Date: Thu, 29 Apr 2010 09:37:38 -0400
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Cc: Changli Gao <xiaosuo@gmail.com>,
	David Miller <davem@davemloft.net>, therbert@google.com,
	shemminger@vyatta.com, netdev@vger.kernel.org,
	Eilon Greenstein <eilong@broadcom.com>,
	Brian Bloniarz <bmb@athenacr.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
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On Thu, 2010-04-29 at 15:21 +0200, Eric Dumazet wrote:


> 
> You could try following program :
> 

Will do later today (test machine is not on the network and is about 20
minutes from here; so worst case i will get you results by end of day)
I guess this program is good enough since it tells me the system wide
ipi count - what my patch did was also to break it down by which cpu got
how many IPIs (served to check if there was uneven distribution)

> 
> Is your application mono threaded and receiving data to 8 sockets ?
> 

I fork one instance per detected cpu and bind to different ports each
time. Example bind to port 8200 on cpu0, 8201 on cpu1, etc.

cheers,
jamal