is it normal on AMD64 machine to have 10-15% CPU time spent in "interrupt"
by sending file at 7MB/s by ftp to other machine?
fxp0: <Intel 82551 Pro/100 Ethernet> port 0xec00-0xec3f mem
0xfbfff000-0xfbffffff,0xfbfc0000-0xfbfdfff
f irq 17 at device 5.0 on pci2
nothing else uses irq 17
systat shows 3000 ints/s, with 1.8GHz CPU it's like 60000-90000 CPU clocks
per single interrupt service.
at least - TOO MUCH.
with much higher traffic over hard drive interrupt percentage is below 1%
if measurable at all.
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