[root@blackflat /proc]# cat interrupts CPU0 CPU1 0: 628401 3809802 IO-APIC-edge timer 1: 49 179 IO-APIC-edge i8042 8: 0 1 IO-APIC-edge rtc0 9: 0 0 IO-APIC-fasteoi acpi 14: 0 0 IO-APIC-edge pata_atiixp 15: 0 0 IO-APIC-edge pata_atiixp 16: 1825 2734 IO-APIC-fasteoi hda_intel 17: 0 4 IO-APIC-fasteoi ehci_hcd:usb1, ehci_hcd:usb2, ehci_hcd:usb3, xhci_hcd:usb8 18: 7933 975 IO-APIC-fasteoi ohci_hcd:usb4, ohci_hcd:usb5, ohci_hcd:usb6, ohci_hcd:usb7 19: 10 94095 IO-APIC-fasteoi ahci 26: 74513 162 PCI-MSI-edge eth0 27: 105 108 PCI-MSI-edge hda_intel 28: 8 50081 PCI-MSI-edge fglrx[0]@PCI:0:1:0 NMI: 0 0 Non-maskable interrupts LOC: 2909576 1924302 Local timer interrupts SPU: 0 0 Spurious interrupts PMI: 0 0 Performance monitoring interrupts PND: 0 0 Performance pending work RES: 1450783 1378181 Rescheduling interrupts CAL: 435 499 Function call interrupts TLB: 1981 2031 TLB shootdowns TRM: 0 0 Thermal event interrupts THR: 0 0 Threshold APIC interrupts MCE: 0 0 Machine check exceptions MCP: 584 584 Machine check polls ERR: 0 MIS: 0 [root@blackflat /proc]#