sudo cat /proc/interrupts
           CPU0       CPU1
  0:         86          0   IO-APIC-edge      timer
  1:        342          0   IO-APIC-edge      i8042
  6:          5          0   IO-APIC-edge      floppy
  7:          0          0   IO-APIC-edge      parport0
  8:          1          0   IO-APIC-edge      rtc
  9:          0          0   IO-APIC-fasteoi   acpi
 12:          4          0   IO-APIC-edge      i8042
 16:      14680          2   IO-APIC-fasteoi   ide0, ide1, libata, uhci_hcd:usb4
 17:          3          0   IO-APIC-fasteoi   ehci_hcd:usb1
 18:       7354          0   IO-APIC-fasteoi   uhci_hcd:usb2, uhci_hcd:usb5
 19:       1714          0   IO-APIC-fasteoi   uhci_hcd:usb3
 20:       3294          0   IO-APIC-fasteoi   Intel ICH5
 21:       3349          0   IO-APIC-fasteoi   sk98lin
NMI:          0          0
LOC:      29851      24596
ERR:          0
MIS:          2