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From"Roy Rietveld" <>
SubjectRe: TCP/IP send, sendfile, RAW
DateFri, 05 May 2006 14:25:42 +0000
Thanks now i know, the stack is slow 40MBit on loopback.


>From: Avi Kivity <avi@argo.co.il>
>To: Roy Rietveld <rwm_rietveld@hotmail.com>
>CC: P@draigBrady.com, linux-kernel@vger.kernel.org
>Subject: Re: TCP/IP send, sendfile, RAW
>Date: Fri, 05 May 2006 15:39:56 +0300
>
>Roy Rietveld wrote:
>>the platform is a netsilicon NS9360 witch include an 100MBit ethernet 
>>device.
>>The driver came with the software(LxNETES) for the development board.
>>CPU load is 100% when running sender program.
>>
>>cat /proc/interrupts; sleep 10; cat /proc/interrupts doen't work anymore 
>>because cpu is to busy.
>>
>>Does sendto give other processes time when the hardware is transmitting 
>>data?
>>Is this bad hardware or is the cost of sendto that high.
>
>Try sending UDP over loopback and see.
>
>--
>Do not meddle in the internals of kernels, for they are subtle and quick to 
>panic.
>
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