cat /proc/interrupts; sleep 10; cat /proc/interrupts
           CPU0       
  0:      18929   IO-APIC-edge      timer
  1:       1304   IO-APIC-edge      i8042
  9:          2   IO-APIC-fasteoi   ohci_hcd:usb1, ohci_hcd:usb2, ehci_hcd:usb3
 12:        149   IO-APIC-edge      i8042
 14:       6392   IO-APIC-edge      ide0
 15:        158   IO-APIC-edge      ide1
 17:        141   IO-APIC-fasteoi   ATI IXP
 20:          1   IO-APIC-fasteoi   yenta
 21:       1208   IO-APIC-fasteoi   acpi
 22:       5821   IO-APIC-fasteoi   ath
NMI:          0   Non-maskable interrupts
LOC:       5139   Local timer interrupts
SPU:          0   Spurious interrupts
TRM:          0   Thermal event interrupts
ERR:          0
MIS:          0
           CPU0       
  0:      19345   IO-APIC-edge      timer
  1:       1305   IO-APIC-edge      i8042
  9:          2   IO-APIC-fasteoi   ohci_hcd:usb1, ohci_hcd:usb2, ehci_hcd:usb3
 12:        149   IO-APIC-edge      i8042
 14:       6395   IO-APIC-edge      ide0
 15:        158   IO-APIC-edge      ide1
 17:        141   IO-APIC-fasteoi   ATI IXP
 20:          1   IO-APIC-fasteoi   yenta
 21:       1208   IO-APIC-fasteoi   acpi
 22:       6002   IO-APIC-fasteoi   ath
NMI:          0   Non-maskable interrupts
LOC:       5174   Local timer interrupts
SPU:          0   Spurious interrupts
TRM:          0   Thermal event interrupts
ERR:          0
MIS:          0