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Re: _High_ CPU usage while routing (mostly) small UDP packets

To: jamal <hadi@xxxxxxxxxx>
Subject: Re: _High_ CPU usage while routing (mostly) small UDP packets
From: Karsten Desler <kdesler@xxxxxxxxxx>
Date: Tue, 7 Dec 2004 14:11:25 +0100
Cc: Robert Olsson <Robert.Olsson@xxxxxxxxxxx>, P@xxxxxxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx>, netdev@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
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* jamal wrote:
> On Tue, 2004-12-07 at 07:50, Karsten Desler wrote:
> 
> > Currently I'm having problems capturing packets with tcpdump (lots of
> > "packets dropped by kernel") which indicates to me that there's
> > genuinely not much (enough) idle time sitting around.
> > 
> 
> Ah, more hints. So you are not trying to forward - rather just packet
> capturing?

forward/routing is the goal.

I was just trying to capture a tcpdump to analyze the traffic to
generate something that could emulate the trafficpattern for further
testing in a non-production environment.

Cheers,
 Karsten

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