gandalf ~ # cat /proc/interrupts
           CPU0       CPU1       CPU2       CPU3
  0:     128889    1441133    7786258   18240210   IO-APIC-edge      timer
  1:          0         13         58        134   IO-APIC-edge      i8042
  4:         42        230        616       1199   IO-APIC-edge      serial
  7:          1          0          0          0   IO-APIC-edge
  9:          0          0          0          0   IO-APIC-fasteoi   acpi
 16:     102657     896979    3568264    7024913   IO-APIC-fasteoi   cx88[0], cx88[0]
 18:      83562     708856    2777903    5382382   IO-APIC-fasteoi   Technisat/B2C2 FlexCop II/IIb/III Digital TV PCI Driver
 19:      33750     281027    1536582    5602839   IO-APIC-fasteoi   saa7146 (0), nvidia
 20:       1159       6958      22822      49299   IO-APIC-fasteoi   ohci_hcd:usb3, nvidia
 21:        870       5186      14223      31689   IO-APIC-fasteoi   ehci_hcd:usb2, HDA Intel
 22:     136251    1764611   11889259   42501600   IO-APIC-fasteoi   ehci_hcd:usb1
 23:          9         40        122        328   IO-APIC-fasteoi   ohci_hcd:usb4
 27:       5469      44304     205020     528868   PCI-MSI-edge      ahci
 28:      57293     406141    1440470    2949035   PCI-MSI-edge      eth0
NMI:          0          0          0          0   Non-maskable interrupts
LOC:    8139882    5708185    5182619    2852078   Local timer interrupts
RES:    1014199    5513238   11095556    5177732   Rescheduling interrupts
CAL:      15782       5712      16844      13890   Function call interrupts
TLB:      31047      54416      56527      42984   TLB shootdowns
TRM:          0          0          0          0   Thermal event interrupts
THR:          0          0          0          0   Threshold APIC interrupts
SPU:          0          0          0          0   Spurious interrupts
ERR:          1
MIS:          0