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Message-Id: <1272548258.4258.185.camel@bigi>
Date: Thu, 29 Apr 2010 09:37:38 -0400
From: jamal <hadi@...erus.ca>
To: Eric Dumazet <eric.dumazet@...il.com>
Cc: Changli Gao <xiaosuo@...il.com>,
David Miller <davem@...emloft.net>, therbert@...gle.com,
shemminger@...tta.com, netdev@...r.kernel.org,
Eilon Greenstein <eilong@...adcom.com>,
Brian Bloniarz <bmb@...enacr.com>
Subject: Re: [PATCH net-next-2.6] net: speedup udp receive path
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
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