~$ cat /proc/interrupts 
           CPU0       CPU1       
  0:  199255089          1    IO-APIC-edge  timer
  1:     378128          0    IO-APIC-edge  i8042
  7:          2          0    IO-APIC-edge  parport0
  8:          0          0    IO-APIC-edge  rtc
  9:    1765169          0   IO-APIC-level  acpi
 12:     384366          0    IO-APIC-edge  i8042
 14:    3600477          0    IO-APIC-edge  ide0
 15:        307          0    IO-APIC-edge  ide1
 16:    3079172          0   IO-APIC-level  yenta, Intel ICH5
 17:          0          0   IO-APIC-level  uhci_hcd:usb4
 18:   23054388          0   IO-APIC-level  uhci_hcd:usb2, nvidia
 19:          6          0   IO-APIC-level  ehci_hcd:usb1
 20:    1984432          0   IO-APIC-level  uhci_hcd:usb3, ohci1394
 21:   21585843          0   IO-APIC-level  ndiswrapper
NMI:          0          0 
LOC:  199255020  199255387 
ERR:          0
MIS:          0