netdev - Re: [PATCH 0/2] netem: trace enhancement

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Message-ID: <47544B1F.1010902@candelatech.com>
Date:	Mon, 03 Dec 2007 10:29:51 -0800
From:	Ben Greear <greearb@...delatech.com>
To:	Patrick McHardy <kaber@...sh.net>
CC:	Ariane Keller <ariane.keller@....ee.ethz.ch>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	netdev@...r.kernel.org, herbert@...dor.apana.org.au,
	Rainer Baumann <baumann@....ee.ethz.ch>
Subject: Re: [PATCH 0/2] netem: trace enhancement

Patrick McHardy wrote:
>
> That sounds like it would also be possible using rtnetlink. You could
> send out a notification whenever you switch the active buffer and have
> userspace listen to these and replace the inactive one.

Also, I think you will need a larger cache than 4-8k if you are running 
higher speeds (100,000 pps, etc),
as you probably can't rely on user-space responding reliably every 10ms 
(or even less time for faster
speeds.)

Thanks,
Ben

>
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-- 
Ben Greear <greearb@...delatech.com> 
Candela Technologies Inc  http://www.candelatech.com


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