netdev - Re: Hight speed data sending from custom IP out of kernel

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Message-ID: <1303373925.3685.6.camel@edumazet-laptop>
Date:	Thu, 21 Apr 2011 10:18:45 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	monstr@...str.eu
Cc:	juice@...gman.org, netdev@...r.kernel.org
Subject: Re: Hight speed data sending from custom IP out of kernel

Le jeudi 21 avril 2011 à 10:02 +0200, Michal Simek a écrit :

> Thanks for that. I am looking at pktgen. On UDP my system is able to send full 
> bandwidth on 100Mbit/s ethernet and 220Mbit/s on 1G/s.
> I will let you know when I have any useful resutls.

220Mbits/s in pktgen or an application ?
- how many packets per second ? (or packet size ?)

pktgen has the "clone_skb 100" thing that avoid skb_alloc()/skb_free()
overhead, and permits to really test driver performance.

It also bypass qdisc management.



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