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DateFri, 05 May 2006 15:39:56 +0300
FromAvi Kivity <>
SubjectRe: TCP/IP send, sendfile, RAW
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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