ubuntu@ubuntu:~$ cat /proc/interrupts
           CPU0       
  0:     690994   IO-APIC-edge      timer
  1:       8477   IO-APIC-edge      i8042
  8:          3   IO-APIC-edge      rtc
 12:     251893   IO-APIC-edge      i8042
 15:      20198   IO-APIC-edge      ide1
 16:          1   IO-APIC-fasteoi   yenta
 17:       1815   IO-APIC-fasteoi   libata, eth0
 18:       2348   IO-APIC-fasteoi   ohci_hcd:usb1, ohci_hcd:usb2, ehci_hcd:usb3
 19:       8952   IO-APIC-fasteoi   HDA Intel
 20:     300932   IO-APIC-fasteoi   wifi0
 21:       7179   IO-APIC-fasteoi   acpi
NMI:          0 
LOC:     690867 
ERR:          0
MIS:          0