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Shows the number of different IRQs received by the kernel. High disk or network traffic can cause a high number of interrupts (with good hardware and drivers this will be less so). Sudden high interrupt activity with no associated higher system activity is not normal.

Field Internal name Type Warn Crit Info
timer i0 derive     Interrupt 0, for device(s): timer
i8042 i1 derive     Interrupt 1, for device(s): i8042
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
i8042 i12 derive     Interrupt 12, for device(s): i8042
ohci_hcd:usb3, ohci_hcd:usb4 i16 derive     Interrupt 16, for device(s): ohci_hcd:usb3, ohci_hcd:usb4
ehci_hcd:usb1 i17 derive     Interrupt 17, for device(s): ehci_hcd:usb1
ohci_hcd:usb5, ohci_hcd:usb6 i18 derive     Interrupt 18, for device(s): ohci_hcd:usb5, ohci_hcd:usb6
ehci_hcd:usb2 i19 derive     Interrupt 19, for device(s): ehci_hcd:usb2
0000:00:11.0 i22 derive     Interrupt 22, for device(s): 0000:00:11.0
PCIe PME i25 derive     Interrupt 25, for device(s): PCIe PME
PCIe PME i26 derive     Interrupt 26, for device(s): PCIe PME
PCIe PME i27 derive     Interrupt 27, for device(s): PCIe PME
PCIe PME i29 derive     Interrupt 29, for device(s): PCIe PME
PCIe PME i38 derive     Interrupt 38, for device(s): PCIe PME
PCIe PME i39 derive     Interrupt 39, for device(s): PCIe PME
PCIe PME i41 derive     Interrupt 41, for device(s): PCIe PME
mpt2sas0-msix0 i47 derive     Interrupt 47, for device(s): mpt2sas0-msix0
mlx4-async@pci:0000:09:00.0 i48 derive     Interrupt 48, for device(s): mlx4-async@pci:0000:09:00.0
mlx4_0-0 i49 derive     Interrupt 49, for device(s): mlx4_0-0
mlx4_0-1 i50 derive     Interrupt 50, for device(s): mlx4_0-1
mlx4_0-2 i51 derive     Interrupt 51, for device(s): mlx4_0-2
mlx4_0-3 i52 derive     Interrupt 52, for device(s): mlx4_0-3
mlx4_0-4 i53 derive     Interrupt 53, for device(s): mlx4_0-4
mlx4_0-5 i54 derive     Interrupt 54, for device(s): mlx4_0-5
mlx4_0-6 i55 derive     Interrupt 55, for device(s): mlx4_0-6
mlx4_0-7 i56 derive     Interrupt 56, for device(s): mlx4_0-7
mlx4_0-8 i57 derive     Interrupt 57, for device(s): mlx4_0-8
mlx4_0-9 i58 derive     Interrupt 58, for device(s): mlx4_0-9
mlx4_0-10 i59 derive     Interrupt 59, for device(s): mlx4_0-10
mlx4_0-11 i60 derive     Interrupt 60, for device(s): mlx4_0-11
mlx4_0-12 i61 derive     Interrupt 61, for device(s): mlx4_0-12
mlx4_0-13 i62 derive     Interrupt 62, for device(s): mlx4_0-13
mlx4_0-14 i63 derive     Interrupt 63, for device(s): mlx4_0-14
mlx4_0-15 i64 derive     Interrupt 64, for device(s): mlx4_0-15
mlx4_0-16 i65 derive     Interrupt 65, for device(s): mlx4_0-16
mlx4_0-17 i66 derive     Interrupt 66, for device(s): mlx4_0-17
mlx4_0-18 i67 derive     Interrupt 67, for device(s): mlx4_0-18
mlx4_0-19 i68 derive     Interrupt 68, for device(s): mlx4_0-19
mlx4_0-20 i69 derive     Interrupt 69, for device(s): mlx4_0-20
mlx4_0-21 i70 derive     Interrupt 70, for device(s): mlx4_0-21
mlx4_0-22 i71 derive     Interrupt 71, for device(s): mlx4_0-22
mlx4_0-23 i72 derive     Interrupt 72, for device(s): mlx4_0-23
mlx4_0-24 i73 derive     Interrupt 73, for device(s): mlx4_0-24
mlx4_0-25 i74 derive     Interrupt 74, for device(s): mlx4_0-25
mlx4_0-26 i75 derive     Interrupt 75, for device(s): mlx4_0-26
mlx4_0-27 i76 derive     Interrupt 76, for device(s): mlx4_0-27
mlx4_0-28 i77 derive     Interrupt 77, for device(s): mlx4_0-28
mlx4_0-29 i78 derive     Interrupt 78, for device(s): mlx4_0-29
mlx4_0-30 i79 derive     Interrupt 79, for device(s): mlx4_0-30
mlx4_0-31 i80 derive     Interrupt 80, for device(s): mlx4_0-31
mlx4_0-32 i81 derive     Interrupt 81, for device(s): mlx4_0-32
mlx4_0-33 i82 derive     Interrupt 82, for device(s): mlx4_0-33
mlx4_0-34 i83 derive     Interrupt 83, for device(s): mlx4_0-34
mlx4_0-35 i84 derive     Interrupt 84, for device(s): mlx4_0-35
mlx4_0-36 i85 derive     Interrupt 85, for device(s): mlx4_0-36
mlx4_0-37 i86 derive     Interrupt 86, for device(s): mlx4_0-37
mlx4_0-38 i87 derive     Interrupt 87, for device(s): mlx4_0-38
mlx4_0-39 i88 derive     Interrupt 88, for device(s): mlx4_0-39
mlx4_0-40 i89 derive     Interrupt 89, for device(s): mlx4_0-40
mlx4_0-41 i90 derive     Interrupt 90, for device(s): mlx4_0-41
mlx4_0-42 i91 derive     Interrupt 91, for device(s): mlx4_0-42
mlx4_0-43 i92 derive     Interrupt 92, for device(s): mlx4_0-43
mlx4_0-44 i93 derive     Interrupt 93, for device(s): mlx4_0-44
mlx4_0-45 i94 derive     Interrupt 94, for device(s): mlx4_0-45
mlx4_0-46 i95 derive     Interrupt 95, for device(s): mlx4_0-46
mlx4_0-47 i96 derive     Interrupt 96, for device(s): mlx4_0-47
mlx4_0-48 i97 derive     Interrupt 97, for device(s): mlx4_0-48
mlx4_0-49 i98 derive     Interrupt 98, for device(s): mlx4_0-49
mlx4_0-50 i99 derive     Interrupt 99, for device(s): mlx4_0-50
mlx4_0-51 i100 derive     Interrupt 100, for device(s): mlx4_0-51
mlx4_0-52 i101 derive     Interrupt 101, for device(s): mlx4_0-52
mlx4_0-53 i102 derive     Interrupt 102, for device(s): mlx4_0-53
mlx4_0-54 i103 derive     Interrupt 103, for device(s): mlx4_0-54
mlx4_0-55 i104 derive     Interrupt 104, for device(s): mlx4_0-55
mlx4_0-56 i105 derive     Interrupt 105, for device(s): mlx4_0-56
mlx4_0-57 i106 derive     Interrupt 106, for device(s): mlx4_0-57
mlx4_0-58 i107 derive     Interrupt 107, for device(s): mlx4_0-58
mlx4_0-59 i108 derive     Interrupt 108, for device(s): mlx4_0-59
mlx4_0-60 i109 derive     Interrupt 109, for device(s): mlx4_0-60
mlx4_0-61 i110 derive     Interrupt 110, for device(s): mlx4_0-61
mlx4_0-62 i111 derive     Interrupt 111, for device(s): mlx4_0-62
mlx4_0-63 i112 derive     Interrupt 112, for device(s): mlx4_0-63
eth1-0 i113 derive     Interrupt 113, for device(s): eth1-0
eth1-1 i114 derive     Interrupt 114, for device(s): eth1-1
eth1-2 i115 derive     Interrupt 115, for device(s): eth1-2
eth1-3 i116 derive     Interrupt 116, for device(s): eth1-3
eth1-4 i117 derive     Interrupt 117, for device(s): eth1-4
eth1-5 i118 derive     Interrupt 118, for device(s): eth1-5
eth1-6 i119 derive     Interrupt 119, for device(s): eth1-6
eth1-7 i120 derive     Interrupt 120, for device(s): eth1-7
eth3-0 i122 derive     Interrupt 122, for device(s): eth3-0
eth3-1 i123 derive     Interrupt 123, for device(s): eth3-1
eth3-2 i124 derive     Interrupt 124, for device(s): eth3-2
eth3-3 i125 derive     Interrupt 125, for device(s): eth3-3
eth3-4 i126 derive     Interrupt 126, for device(s): eth3-4
eth3-5 i127 derive     Interrupt 127, for device(s): eth3-5
eth3-6 i128 derive     Interrupt 128, for device(s): eth3-6
eth3-7 i129 derive     Interrupt 129, for device(s): eth3-7
eth0-0 i131 derive     Interrupt 131, for device(s): eth0-0
eth0-1 i132 derive     Interrupt 132, for device(s): eth0-1
eth0-2 i133 derive     Interrupt 133, for device(s): eth0-2
eth0-3 i134 derive     Interrupt 134, for device(s): eth0-3
eth0-4 i135 derive     Interrupt 135, for device(s): eth0-4
eth0-5 i136 derive     Interrupt 136, for device(s): eth0-5
eth0-6 i137 derive     Interrupt 137, for device(s): eth0-6
eth0-7 i138 derive     Interrupt 138, for device(s): eth0-7
eth2-0 i140 derive     Interrupt 140, for device(s): eth2-0
eth2-1 i141 derive     Interrupt 141, for device(s): eth2-1
eth2-2 i142 derive     Interrupt 142, for device(s): eth2-2
eth2-3 i143 derive     Interrupt 143, for device(s): eth2-3
eth2-4 i144 derive     Interrupt 144, for device(s): eth2-4
eth2-5 i145 derive     Interrupt 145, for device(s): eth2-5
eth2-6 i146 derive     Interrupt 146, for device(s): eth2-6
eth2-7 i147 derive     Interrupt 147, for device(s): eth2-7
Non-maskable interrupts iNMI derive     Interrupt NMI, for device(s): Non-maskable interrupts
Local timer interrupts iLOC derive     Interrupt LOC, for device(s): Local timer interrupts
Spurious interrupts iSPU derive     Interrupt SPU, for device(s): Spurious interrupts
Performance monitoring interrupts iPMI derive     Interrupt PMI, for device(s): Performance monitoring interrupts
IRQ work interrupts iIWI derive     Interrupt IWI, for device(s): IRQ work interrupts
APIC ICR read retries iRTR derive     Interrupt RTR, for device(s): APIC ICR read retries
Rescheduling interrupts iRES derive     Interrupt RES, for device(s): Rescheduling interrupts
Function call interrupts iCAL derive     Interrupt CAL, for device(s): Function call interrupts
TLB shootdowns iTLB derive     Interrupt TLB, for device(s): TLB shootdowns
Thermal event interrupts iTRM derive     Interrupt TRM, for device(s): Thermal event interrupts
Threshold APIC interrupts iTHR derive     Interrupt THR, for device(s): Threshold APIC interrupts
Machine check exceptions iMCE derive     Interrupt MCE, for device(s): Machine check exceptions
Machine check polls iMCP derive     Interrupt MCP, for device(s): Machine check polls
ERR iERR derive      
MIS iMIS derive