note: I've tried with all usb devices unplugged and it did not change

           CPU0       CPU1       
  0:         45          0   IO-APIC-edge      timer
  1:          0          2   IO-APIC-edge      i8042
  4:          0          3   IO-APIC-edge    
  9:          0          0   IO-APIC-fasteoi   acpi
 12:          0          4   IO-APIC-edge      i8042
 16:          7       6189   IO-APIC-fasteoi   ohci_hcd:usb3, ohci_hcd:usb4, HDA Intel
 17:          0          3   IO-APIC-fasteoi   ehci_hcd:usb1
 18:         61      26139   IO-APIC-fasteoi   ohci_hcd:usb5, ohci_hcd:usb6, ohci_hcd:usb7, eth0
 19:          0          0   IO-APIC-fasteoi   ehci_hcd:usb2
 20:          0          0   IO-APIC-fasteoi   cx88[0], cx88[0], cx88[0]
 21:          0          0   IO-APIC-fasteoi   ivtv0
 22:         17      26350   IO-APIC-fasteoi   ahci, ohci1394
 23:         70      20619   IO-APIC-fasteoi   eth1
NMI:          0          0   Non-maskable interrupts
LOC:     357851     357829   Local timer interrupts
RES:      12318      11220   Rescheduling interrupts
CAL:        170         78   Function call interrupts
TLB:       1208       1008   TLB shootdowns
TRM:          0          0   Thermal event interrupts
SPU:          0          0   Spurious interrupts
ERR:          0
MIS:          0
