cat /proc/interrupts

  CPU0
  0:     840745   IO-APIC-edge      timer
  1:          2   IO-APIC-edge      i8042
  6:          5   IO-APIC-edge      floppy
  7:          0   IO-APIC-edge      parport0
  8:          0   IO-APIC-edge      rtc
  9:          0   IO-APIC-fasteoi   acpi
 12:          4   IO-APIC-edge      i8042
 14:      11692   IO-APIC-edge      ide0
 15:      29992   IO-APIC-edge      ide1
 16:     205651   IO-APIC-fasteoi   EMU10K1, nvidia
 17:          0   IO-APIC-fasteoi   libata
 18:          3   IO-APIC-fasteoi   ohci1394
 19:      66592   IO-APIC-fasteoi   eth1, ra0
 20:     341597   IO-APIC-fasteoi   NVidia CK8S, eth0
 21:          0   IO-APIC-fasteoi   ohci_hcd:usb2, libata
 22:      10543   IO-APIC-fasteoi   ohci_hcd:usb1, ehci_hcd:usb3
NMI:          0
LOC:     840662
ERR:          0