procinterrupts文件格式是什么？每一行每一列分别代表什么意思？

/proc/interrupts文件格式如下：

       CPU0       CPU1       CPU2       CPU3       CPU4       CPU5       CPU6       CPU7       

0: 57 0 0 0 0 0 0 0 IR-IO-APIC 2-edge timer 1: 0 0 0 0 0 0 0 1 IR-IO-APIC 1-edge i8042 8: 0 0 0 0 0 0 1 0 IR-IO-APIC 8-edge rtc0 9: 0 0 0 0 0 0 0 0 IR-IO-APIC 9-fasteoi acpi 12: 0 0 0 0 2 0 0 0 IR-IO-APIC 12-edge i8042 16: 0 0 0 0 0 0 0 0 IR-IO-APIC 16-fasteoi ehci_hcd:usb1 23: 0 0 0 0 0 0 0 0 IR-IO-APIC 23-fasteoi ehci_hcd:usb2 24: 0 0 0 0 0 0 0 0 PCI-MSI 524288-edge aerdrv, PCIe PME 25: 0 0 0 0 0 0 0 0 PCI-MSI 1572864-edge aerdrv, PCIe PME 26: 0 0 0 0 0 0 0 0 PCI-MSI 1572865-edge aerdrv, PCIe PME 27: 0 0 0 0 0 0 0 0 PCI-MSI 1572866-edge aerdrv, PCIe PME 28: 0 0 0 0 0 0 0 0 PCI-MSI 1572867-edge aerdrv, PCIe PME 29: 0 0 0 0 0 0 0 0 PCI-MSI 1572868-edge aerdrv, PCIe PME 30: 0 0 0 0 0 0 0 0 PCI-MSI 1572869-edge aerdrv, PCIe PME 31: 0 0 0 0 0 0 0 0 PCI-MSI 1572870-edge aerdrv, PCIe PME 32: 0 0 0 0 0 0 0 0 PCI-MSI 1572871-edge aerdrv, PCIe PME 33: 0 0 0 0 0 0 0 0 PCI-MSI 1572872-edge aerdrv, PCIe PME 34: 0 0 0 0 0 0 0 0 PCI-MSI 1572873-edge aerdrv, PCIe PME 35: 0 0 0 0 0 0 0 0 PCI-MSI 1572874-edge aerdrv, PCIe PME 36: 0 0 0 0 0 0 0 0 PCI-MSI 1572875-edge aerdrv, PCIe PME 37: 0 0 0 0 0 0 0 0 PCI-MSI 1572876-edge aerdrv, PCIe PME 38: 0 0 0 0 0 0 0 0 PCI-MSI 1572877-edge aerdrv, PCIe PME 39: 0 0 0 0 0 0 0 0 PCI-MSI 1572878-edge aerdrv, PCIe PME 40: 0 0 0 0 0 0 0 0 PCI-MSI 1572879-edge aerdrv, PCIe PME 41: 0 0 0 0 0 0 0 0 PCI-MSI 1572880-edge aerdrv, PCIe PME 42: 0 0 0 0 0 0 0 0 PCI-MSI 1572881-edge aerdrv, PCIe PME 43: 0 0 0 0 0 0 0 0 PCI-MSI 1572882-edge aerdrv, PCIe PME 44: 0 0 0 0 0 0 0 0 PCI-MSI 1572883-edge aerdrv, PCIe PME 45: 0 0 0 0 0 0 0 0 PCI-MSI 1572884-edge aerdrv, PCIe PME 46: 0 0 0 0 0 0 0 0 PCI-MSI 1572885-edge aerdrv, PCIe PME 47: 0 0 0 0 0 0 0 0 PCI-MSI 1572886-edge aerdrv, PCIe PME 48: 0 0 0 0 0 0 0 0 PCI-MSI 1572887-edge aerdrv, PCIe PME 49: 0 0 0 0 0 0 0 0 PCI-MSI 1572888-edge aerdrv, PCIe PME 50: 0 0 0 0 0 0 0 0 PCI-MSI 1572889-edge aerdrv, PCIe PME 51: 0 0 0 0 0 0 0 0 PCI-MSI 1572890-edge aerdrv, PCIe PME 52: 0 0 0 0 0 0 0 0 PCI-MSI 1572891-edge aerdrv, PCIe PME 53: 0 0 0 0 0 0 0 0 PCI-MSI 1572892-edge aerdrv, PCIe PME 54: 0 0 0 0 0 0 0 0 PCI-MSI 1572893-edge aerdrv, PCIe PME 55: 0 0 0 0 0 0 0 0 PCI-MSI 1572894-edge aerdrv, PCIe PME 56: 0 0 0 0 0 0 0 0 PCI-MSI 1572895-edge aerdrv, PCIe PME 57: 0 0 0 0 0 0 0 0 PCI-MSI 1572896-edge aerdrv, PCIe PME 58: 0 0 0 0 0 0 0 0 PCI-MSI 1572897-edge aerdrv, PCIe PME 59: 0 0 0 0 0 0 0 0 PCI-MSI 1572898-edge aerdrv, PCIe PME 60: 0 0 0 0 0 0 0 0 PCI-MSI 1572899-edge aerdrv, PCIe PME 61: 0 0 0 0 0 0 0 0 PCI-MSI 1572900-edge aerdrv, PCIe PME 62: 0 0 0 0 0 0 0 0 PCI-MSI 1572901-edge aerdrv, PCIe PME 63: 0 0 0 0 0 0 0 0 PCI-MSI 1572902-edge aerdrv, PCIe PME 64: 0 0 0 0 0 0 0 0 PCI-MSI 1572903-edge aerdrv, PCIe PME 65: 0 0 0 0 0 0 0 0 PCI-MSI 1572904-edge aerdrv, PCIe PME 66: 0 0 0 0 0 0 0 0 PCI-MSI 1572905-edge aerdrv, PCIe PME 67: 0 0 0 0 0 0 0 0 PCI-MSI 1572906-edge aerdrv, PCIe PME 68: 0 0 0 0 0 0 0 0 PCI-MSI 1572907-edge aerdrv, PCIe PME 69: 0 0 0 0 0 0 0 0 PCI-MSI 1572908-edge aerdrv, PCIe PME 70: 0 0 0 0 0 0 0 0 PCI-MSI 1572909-edge aerdrv, PCIe PME 71: 0 0 0 0 0 0 0 0 PCI-MSI 1572910-edge aerdrv, PCIe PME 72: 0 0 0 0 0 0 0 0 PCI-MSI 1572911-edge aerdrv, PCIe PME 73: 0 0 0 0 0 0 0 0 PCI-MSI 1572912-edge aerdrv, PCIe PME 74: 0 0 0 0 0 0 0 0 PCI-MSI 1572913-edge aerdrv, PCIe PME 75: 0 0 0 0 0 0 0 0 PCI-MSI 1572914-edge aerdrv, PCIe PME 76: 0 0 0 0 0 0 0 0 PCI-MSI 1572915-edge aerdrv, PCIe PME 77: 0 0 0 0 0 0 0 0 PCI-MSI 1572916-edge aerdrv, PCIe PME 78: 0 0 0 0 0 0 0 0 PCI-MSI 1572917-edge aerdrv, PCIe PME 79: 0 0 0 0 0 0 0 0 PCI-MSI 1572918-edge aerdrv, PCIe PME 80: 0 0 0 0 0 0 0 0 PCI-MSI 1572919-edge aerdrv, PCIe PME 81: 0 0 0 0 0 0 0 0 PCI-MSI 1572920-edge aerdrv, PCIe PME 82: 0 0 0 0 0 0 0 0 PCI-MSI 1572921-edge aerdrv, PCIe PME 83: 0 0 0 0 0 0 0 0 PCI-MSI 1572922-edge aerdrv, PCIe PME 84: 0 0 0 0 0 0 0 0 PCI-MSI 1572923-edge aerdrv, PCIe PME 85: 0 0 0 0 0 0 0 0 PCI-MSI 1572924-edge aerdrv, PCIe PME 86: 0 0 0 0 0 0 0 0 PCI-MSI 1572925-edge aerdrv, PCIe PME 87: 0 0 0 0 0 0 0 0 PCI-MSI 1572926-edge aerdrv, PCIe PME 88: 0 0 0 0 0 0 0 0 PCI-MSI 1572927-edge aerdrv, PCIe PME 89: 0 0 0 0 0 0 0 0 PCI-MSI 1572928-edge aerdrv, PCIe PME 90: 0 0 0 0 0 0 0 0 PCI-MSI 1572929-edge aerdrv, PCIe PME 91: 0 0 0 0 0 0 0 0 PCI-MSI 1572930-edge aerdrv, PCIe PME 92: 0 0 0 0 0 0 0 0 PCI-MSI 1572931-edge aerdrv, PCIe PME 93: 0 0 0 0 0 0 0 0 PCI-MSI 1572932-edge aerdrv, PCIe PME 94: 0 0 0 0 0 0 0 0 PCI-MSI 1572933-edge aerdrv, PCIe PME 95: 0 0 0 0 0 0 0 0 PCI-MSI 1572934-edge aerdrv, PCIe PME 96: 0 0 0 0 0 0 0 0 PCI-MSI 1572935-edge aerdrv, PCIe PME 97: 0 0 0 0 0 0 0 0 PCI-MSI 1572936-edge aerdrv, PCIe PME 98: 0 0 0 0 0 0 0 0 PCI-MSI 1572937-edge aerdrv, PCIe PME 99: 0 0 0 0 0 0 0 0 PCI-MSI 1572938-edge aerdrv, PCIe PME 100: 0 0 0 0 0 0 0 0 PCI-MSI 1572939-edge aerdrv, PCIe PME 101: 0 0 0 0 0 0 0 0 PCI-MSI 1572940-edge aerdrv, PCIe PME 102: 0 0 0 0 0 0 0 0 PCI-MSI 1572941-edge aerdrv, PCIe PME 103: 0 0 0 0 0 0 0 0 PCI-MSI 1572942-edge aerdrv, PCIe PME 104: 0 0 0 0 0 0 0 0 PCI-MSI 1572943-edge aerdrv, PCIe PME 105: 0 0 0 0 0 0 0 0 PCI-MSI 1572944-edge aerdrv, PCIe PME 106: 0 0 0 0 0 0 0 0 PCI