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Re: [PATCH] dummy: improve performance

To: util@xxxxxxxxxxxxxxx
Subject: Re: [PATCH] dummy: improve performance
From: "David S. Miller" <davem@xxxxxxxxxxxxx>
Date: Wed, 25 May 2005 15:11:49 -0700 (PDT)
Cc: netdev@xxxxxxxxxxx
In-reply-to: <Pine.LNX.4.62.0505201306110.29305@xxxxxxxxxxxxxxxxxxx>
References: <Pine.LNX.4.62.0505201306110.29305@xxxxxxxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
From: "Catalin(ux aka Dino) BOIE" <util@xxxxxxxxxxxxxxx>
Date: Fri, 20 May 2005 13:11:24 +0300 (EEST)

> I tested the speed and seems very low (both old version and the new one).
> Something like 37Mbits/s. It is normal?
> I can easily get 80Mbit/s on the same machine on ethernet.

How are you receiving packets on the dummy device for
performance testing?  This device is a transmit blackhole
and receives no packets :-)

I really don't see a real need for your patch, dummy device
performance cannot be claimed to be important at all.

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