Re: TCP/IP send, sendfile, RAW

[Willy Tarreau]

On Thu, May 04, 2006 at 07:43:34PM +0000, Roy Rietveld wrote:
> i Think the resolution of gettimeofday is 1us because
> gettimeofday(start)
> gettimeofday(end)
> 
> end - start gives 1
> 
> so when i leave out gettimeofday
> 
> while(1)
> {
> sendto(socket,buffer,1400,....)
> }
> 
> i measured with ethereal 4000 packets per second

Are you sure you are not limited by the interrupt rate ? may be interrupt
processing causes a large overhead at 4000/s for 177 MHz, and you might
need to find a way to either use interrupt mitigation or polling.

Regards,
Willy

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/