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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
serial i3 derive     Interrupt 3, for device(s): serial
serial i4 derive     Interrupt 4, for device(s): serial
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
uhci_hcd:usb3, hpilo i16 derive     Interrupt 16, for device(s): uhci_hcd:usb3, hpilo
ehci_hcd:usb2 i20 derive     Interrupt 20, for device(s): ehci_hcd:usb2
ehci_hcd:usb1 i21 derive     Interrupt 21, for device(s): ehci_hcd:usb1
ioat-msix i64 derive     Interrupt 64, for device(s): ioat-msix
ioat-msix i65 derive     Interrupt 65, for device(s): ioat-msix
hpsa0 i66 derive     Interrupt 66, for device(s): hpsa0
ioat-msix i70 derive     Interrupt 70, for device(s): ioat-msix
ioat-msix i71 derive     Interrupt 71, for device(s): ioat-msix
ioat-msix i72 derive     Interrupt 72, for device(s): ioat-msix
ioat-msix i73 derive     Interrupt 73, for device(s): ioat-msix
ioat-msix i74 derive     Interrupt 74, for device(s): ioat-msix
ioat-msix i75 derive     Interrupt 75, for device(s): ioat-msix
eth0 i76 derive     Interrupt 76, for device(s): eth0
eth0-TxRx-0 i77 derive     Interrupt 77, for device(s): eth0-TxRx-0
eth0-TxRx-1 i78 derive     Interrupt 78, for device(s): eth0-TxRx-1
eth0-TxRx-2 i79 derive     Interrupt 79, for device(s): eth0-TxRx-2
eth0-TxRx-3 i80 derive     Interrupt 80, for device(s): eth0-TxRx-3
eth0-TxRx-4 i81 derive     Interrupt 81, for device(s): eth0-TxRx-4
eth0-TxRx-5 i82 derive     Interrupt 82, for device(s): eth0-TxRx-5
eth0-TxRx-6 i83 derive     Interrupt 83, for device(s): eth0-TxRx-6
eth0-TxRx-7 i84 derive     Interrupt 84, for device(s): eth0-TxRx-7
eth3 i85 derive     Interrupt 85, for device(s): eth3
eth3-fp-0 i87 derive     Interrupt 87, for device(s): eth3-fp-0
eth3-fp-1 i88 derive     Interrupt 88, for device(s): eth3-fp-1
eth3-fp-2 i89 derive     Interrupt 89, for device(s): eth3-fp-2
eth3-fp-3 i90 derive     Interrupt 90, for device(s): eth3-fp-3
eth3-fp-4 i91 derive     Interrupt 91, for device(s): eth3-fp-4
eth3-fp-5 i92 derive     Interrupt 92, for device(s): eth3-fp-5
eth3-fp-6 i93 derive     Interrupt 93, for device(s): eth3-fp-6
eth3-fp-7 i94 derive     Interrupt 94, for device(s): eth3-fp-7
eth3-fp-8 i95 derive     Interrupt 95, for device(s): eth3-fp-8
eth3-fp-9 i96 derive     Interrupt 96, for device(s): eth3-fp-9
eth3-fp-10 i97 derive     Interrupt 97, for device(s): eth3-fp-10
eth3-fp-11 i98 derive     Interrupt 98, for device(s): eth3-fp-11
eth2 i99 derive     Interrupt 99, for device(s): eth2
eth2-fp-0 i101 derive     Interrupt 101, for device(s): eth2-fp-0
eth2-fp-1 i102 derive     Interrupt 102, for device(s): eth2-fp-1
eth2-fp-2 i103 derive     Interrupt 103, for device(s): eth2-fp-2
eth2-fp-3 i104 derive     Interrupt 104, for device(s): eth2-fp-3
eth2-fp-4 i105 derive     Interrupt 105, for device(s): eth2-fp-4
eth2-fp-5 i106 derive     Interrupt 106, for device(s): eth2-fp-5
eth2-fp-6 i107 derive     Interrupt 107, for device(s): eth2-fp-6
eth2-fp-7 i108 derive     Interrupt 108, for device(s): eth2-fp-7
eth2-fp-8 i109 derive     Interrupt 109, for device(s): eth2-fp-8
eth2-fp-9 i110 derive     Interrupt 110, for device(s): eth2-fp-9
eth2-fp-10 i111 derive     Interrupt 111, for device(s): eth2-fp-10
eth2-fp-11 i112 derive     Interrupt 112, for device(s): eth2-fp-11
eth1 i113 derive     Interrupt 113, for device(s): eth1
eth1-TxRx-0 i114 derive     Interrupt 114, for device(s): eth1-TxRx-0
eth1-TxRx-1 i115 derive     Interrupt 115, for device(s): eth1-TxRx-1
eth1-TxRx-2 i116 derive     Interrupt 116, for device(s): eth1-TxRx-2
eth1-TxRx-3 i117 derive     Interrupt 117, for device(s): eth1-TxRx-3
eth1-TxRx-4 i118 derive     Interrupt 118, for device(s): eth1-TxRx-4
eth1-TxRx-5 i119 derive     Interrupt 119, for device(s): eth1-TxRx-5
eth1-TxRx-6 i120 derive     Interrupt 120, for device(s): eth1-TxRx-6
eth1-TxRx-7 i121 derive     Interrupt 121, for device(s): eth1-TxRx-7
ahci i122 derive     Interrupt 122, for device(s): ahci
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
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