1The following is a demonstration of the inttimes.d script, 2 3 4Here we run it for a few seconds then hit Ctrl-C, 5 6 # inttimes.d 7 Tracing... Hit Ctrl-C to end. 8 ^C 9 DEVICE TIME (ns) 10 ata0 22324 11 uhci1 45893 12 ata1 138559 13 uhci0 229226 14 i80420 1305617 15 rtls0 2540175 16 17In the above output, we can see that the rtls0 driver spent 2540 us on the 18CPU servicing interrupts, while ata0 spent only 22 us. 19