> I have a question - Why does the PLIP driver does consume so much CPU ?
> I tried it today, and when i did ping -s 16000 dst_ip, the kernel consumed
> about 50% of the CPU time ( /proc/cpuinfo and /proc/interrupts follow).
> Any ideas ?
It has to bang on the parallel port controller the hard way, there is no
useful hardware support on a basic parallel port for the kind of abuse needed
for PLIP
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