4. $ cat /proc/interrupts CPU0 CPU1 0: 36843 61973 IO-APIC-edge timer 1: 518 591 IO-APIC-edge i8042 8: 1 0 IO-APIC-edge rtc0 9: 387 321 IO-APIC-fasteoi acpi 12: 11236 79 IO-APIC-edge i8042 16: 0 0 IO-APIC-fasteoi uhci_hcd:usb6 17: 12 11 IO-APIC-fasteoi uhci_hcd:usb7 18: 0 0 IO-APIC-fasteoi uhci_hcd:usb8 19: 6531 235 IO-APIC-fasteoi ehci_hcd:usb2 20: 0 0 IO-APIC-fasteoi uhci_hcd:usb3 21: 85 69 IO-A
![Interrupt Affinityについて](https://cdn-ak-scissors.b.st-hatena.com/image/square/a49e3461579d5f98cc5ea4da506ace2f5e903756/height=288;version=1;width=512/https%3A%2F%2Fcdn.slidesharecdn.com%2Fss_thumbnails%2Finterruptaffinity-140628003728-phpapp01-thumbnail.jpg%3Fwidth%3D640%26height%3D640%26fit%3Dbounds)