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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
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
ipmi_si i10 derive     Interrupt 10, for device(s): ipmi_si
i801_smbus i16 derive     Interrupt 16, for device(s): i801_smbus
PCIe PME i24 derive     Interrupt 24, for device(s): PCIe PME
PCIe PME i25 derive     Interrupt 25, for device(s): PCIe PME
PCIe PME i27 derive     Interrupt 27, for device(s): PCIe PME
PCIe PME i28 derive     Interrupt 28, for device(s): PCIe PME
xhci_hcd i29 derive     Interrupt 29, for device(s): xhci_hcd
megasas0-msix0 i31 derive     Interrupt 31, for device(s): megasas0-msix0
megasas0-msix1 i32 derive     Interrupt 32, for device(s): megasas0-msix1
megasas0-msix2 i33 derive     Interrupt 33, for device(s): megasas0-msix2
megasas0-msix3 i34 derive     Interrupt 34, for device(s): megasas0-msix3
megasas0-msix4 i35 derive     Interrupt 35, for device(s): megasas0-msix4
megasas0-msix5 i36 derive     Interrupt 36, for device(s): megasas0-msix5
megasas0-msix6 i37 derive     Interrupt 37, for device(s): megasas0-msix6
megasas0-msix7 i38 derive     Interrupt 38, for device(s): megasas0-msix7
megasas0-msix8 i39 derive     Interrupt 39, for device(s): megasas0-msix8
megasas0-msix9 i40 derive     Interrupt 40, for device(s): megasas0-msix9
megasas0-msix10 i41 derive     Interrupt 41, for device(s): megasas0-msix10
megasas0-msix11 i42 derive     Interrupt 42, for device(s): megasas0-msix11
megasas0-msix12 i43 derive     Interrupt 43, for device(s): megasas0-msix12
megasas0-msix13 i44 derive     Interrupt 44, for device(s): megasas0-msix13
megasas0-msix14 i45 derive     Interrupt 45, for device(s): megasas0-msix14
megasas0-msix15 i46 derive     Interrupt 46, for device(s): megasas0-msix15
megasas0-msix16 i47 derive     Interrupt 47, for device(s): megasas0-msix16
megasas0-msix17 i48 derive     Interrupt 48, for device(s): megasas0-msix17
megasas0-msix18 i49 derive     Interrupt 49, for device(s): megasas0-msix18
megasas0-msix19 i50 derive     Interrupt 50, for device(s): megasas0-msix19
megasas0-msix20 i51 derive     Interrupt 51, for device(s): megasas0-msix20
megasas0-msix21 i52 derive     Interrupt 52, for device(s): megasas0-msix21
megasas0-msix22 i53 derive     Interrupt 53, for device(s): megasas0-msix22
megasas0-msix23 i54 derive     Interrupt 54, for device(s): megasas0-msix23
megasas0-msix24 i55 derive     Interrupt 55, for device(s): megasas0-msix24
megasas0-msix25 i56 derive     Interrupt 56, for device(s): megasas0-msix25
megasas0-msix26 i57 derive     Interrupt 57, for device(s): megasas0-msix26
megasas0-msix27 i58 derive     Interrupt 58, for device(s): megasas0-msix27
megasas0-msix28 i59 derive     Interrupt 59, for device(s): megasas0-msix28
megasas0-msix29 i60 derive     Interrupt 60, for device(s): megasas0-msix29
megasas0-msix30 i61 derive     Interrupt 61, for device(s): megasas0-msix30
megasas0-msix31 i62 derive     Interrupt 62, for device(s): megasas0-msix31
megasas0-msix32 i63 derive     Interrupt 63, for device(s): megasas0-msix32
megasas0-msix33 i64 derive     Interrupt 64, for device(s): megasas0-msix33
megasas0-msix34 i65 derive     Interrupt 65, for device(s): megasas0-msix34
megasas0-msix35 i66 derive     Interrupt 66, for device(s): megasas0-msix35
megasas0-msix36 i67 derive     Interrupt 67, for device(s): megasas0-msix36
megasas0-msix37 i68 derive     Interrupt 68, for device(s): megasas0-msix37
megasas0-msix38 i69 derive     Interrupt 69, for device(s): megasas0-msix38
megasas0-msix39 i70 derive     Interrupt 70, for device(s): megasas0-msix39
megasas0-msix40 i71 derive     Interrupt 71, for device(s): megasas0-msix40
0000:00:11.5 i73 derive     Interrupt 73, for device(s): 0000:00:11.5
em1-TxRx-0 i74 derive     Interrupt 74, for device(s): em1-TxRx-0
em1-TxRx-1 i75 derive     Interrupt 75, for device(s): em1-TxRx-1
em1-TxRx-2 i76 derive     Interrupt 76, for device(s): em1-TxRx-2
em1-TxRx-3 i77 derive     Interrupt 77, for device(s): em1-TxRx-3
em1-TxRx-4 i78 derive     Interrupt 78, for device(s): em1-TxRx-4
em1-TxRx-5 i79 derive     Interrupt 79, for device(s): em1-TxRx-5
em1-TxRx-6 i80 derive     Interrupt 80, for device(s): em1-TxRx-6
em1-TxRx-7 i81 derive     Interrupt 81, for device(s): em1-TxRx-7
0000:00:17.0 i83 derive     Interrupt 83, for device(s): 0000:00:17.0
em2-TxRx-0 i84 derive     Interrupt 84, for device(s): em2-TxRx-0
em2-TxRx-1 i85 derive     Interrupt 85, for device(s): em2-TxRx-1
em2-TxRx-2 i86 derive     Interrupt 86, for device(s): em2-TxRx-2
em2-TxRx-3 i87 derive     Interrupt 87, for device(s): em2-TxRx-3
em2-TxRx-4 i88 derive     Interrupt 88, for device(s): em2-TxRx-4
em2-TxRx-5 i89 derive     Interrupt 89, for device(s): em2-TxRx-5
em2-TxRx-6 i90 derive     Interrupt 90, for device(s): em2-TxRx-6
em2-TxRx-7 i91 derive     Interrupt 91, for device(s): em2-TxRx-7
mei_me i92 derive     Interrupt 92, for device(s): mei_me
em3-tx-0 i93 derive     Interrupt 93, for device(s): em3-tx-0
em3-rx-1 i94 derive     Interrupt 94, for device(s): em3-rx-1
em3-rx-2 i95 derive     Interrupt 95, for device(s): em3-rx-2
em3-rx-3 i96 derive     Interrupt 96, for device(s): em3-rx-3
em3-rx-4 i97 derive     Interrupt 97, for device(s): em3-rx-4
em4-tx-0 i98 derive     Interrupt 98, for device(s): em4-tx-0
em4-rx-1 i99 derive     Interrupt 99, for device(s): em4-rx-1
em4-rx-2 i100 derive     Interrupt 100, for device(s): em4-rx-2
em4-rx-3 i101 derive     Interrupt 101, for device(s): em4-rx-3
em4-rx-4 i102 derive     Interrupt 102, for device(s): em4-rx-4
dmar6 i104 derive     Interrupt 104, for device(s): dmar6
dmar5 i105 derive     Interrupt 105, for device(s): dmar5
dmar4 i106 derive     Interrupt 106, for device(s): dmar4
dmar3 i107 derive     Interrupt 107, for device(s): dmar3
dmar2 i108 derive     Interrupt 108, for device(s): dmar2
dmar1 i109 derive     Interrupt 109, for device(s): dmar1
dmar0 i110 derive     Interrupt 110, for device(s): dmar0
dmar7 i111 derive     Interrupt 111, for device(s): dmar7
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
Deferred Error APIC interrupts iDFR derive     Interrupt DFR, for device(s): Deferred Error 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      
Posted-interrupt notification event iPIN derive     Interrupt PIN, for device(s): Posted-interrupt notification event
Nested posted-interrupt event iNPI derive     Interrupt NPI, for device(s): Nested posted-interrupt event
Posted-interrupt wakeup event iPIW derive     Interrupt PIW, for device(s): Posted-interrupt wakeup event