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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
uhci_hcd:usb3, hpilo i16 derive     Interrupt 16, for device(s): uhci_hcd:usb3, hpilo
ata_piix i17 derive     Interrupt 17, for device(s): ata_piix
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
hpsa0-msix0 i27 derive     Interrupt 27, for device(s): hpsa0-msix0
hpsa0-msix1 i28 derive     Interrupt 28, for device(s): hpsa0-msix1
hpsa0-msix2 i29 derive     Interrupt 29, for device(s): hpsa0-msix2
hpsa0-msix3 i30 derive     Interrupt 30, for device(s): hpsa0-msix3
hpsa0-msix4 i31 derive     Interrupt 31, for device(s): hpsa0-msix4
hpsa0-msix5 i32 derive     Interrupt 32, for device(s): hpsa0-msix5
hpsa0-msix6 i33 derive     Interrupt 33, for device(s): hpsa0-msix6
hpsa0-msix7 i34 derive     Interrupt 34, for device(s): hpsa0-msix7
hpsa0-msix8 i35 derive     Interrupt 35, for device(s): hpsa0-msix8
hpsa0-msix9 i36 derive     Interrupt 36, for device(s): hpsa0-msix9
hpsa0-msix10 i37 derive     Interrupt 37, for device(s): hpsa0-msix10
hpsa0-msix11 i38 derive     Interrupt 38, for device(s): hpsa0-msix11
hpsa0-msix12 i39 derive     Interrupt 39, for device(s): hpsa0-msix12
hpsa0-msix13 i40 derive     Interrupt 40, for device(s): hpsa0-msix13
hpsa0-msix14 i41 derive     Interrupt 41, for device(s): hpsa0-msix14
hpsa0-msix15 i42 derive     Interrupt 42, for device(s): hpsa0-msix15
hpsa0-msix16 i43 derive     Interrupt 43, for device(s): hpsa0-msix16
hpsa0-msix17 i44 derive     Interrupt 44, for device(s): hpsa0-msix17
hpsa0-msix18 i45 derive     Interrupt 45, for device(s): hpsa0-msix18
hpsa0-msix19 i46 derive     Interrupt 46, for device(s): hpsa0-msix19
hpsa0-msix20 i47 derive     Interrupt 47, for device(s): hpsa0-msix20
hpsa0-msix21 i48 derive     Interrupt 48, for device(s): hpsa0-msix21
hpsa0-msix22 i49 derive     Interrupt 49, for device(s): hpsa0-msix22
hpsa0-msix23 i50 derive     Interrupt 50, for device(s): hpsa0-msix23
hpsa0-msix24 i51 derive     Interrupt 51, for device(s): hpsa0-msix24
hpsa0-msix25 i52 derive     Interrupt 52, for device(s): hpsa0-msix25
hpsa0-msix26 i53 derive     Interrupt 53, for device(s): hpsa0-msix26
hpsa0-msix27 i54 derive     Interrupt 54, for device(s): hpsa0-msix27
hpsa0-msix28 i55 derive     Interrupt 55, for device(s): hpsa0-msix28
hpsa0-msix29 i56 derive     Interrupt 56, for device(s): hpsa0-msix29
hpsa0-msix30 i57 derive     Interrupt 57, for device(s): hpsa0-msix30
hpsa0-msix31 i58 derive     Interrupt 58, for device(s): hpsa0-msix31
eth0 i60 derive     Interrupt 60, for device(s): eth0
eth0-TxRx-0 i61 derive     Interrupt 61, for device(s): eth0-TxRx-0
eth0-TxRx-1 i62 derive     Interrupt 62, for device(s): eth0-TxRx-1
eth0-TxRx-2 i63 derive     Interrupt 63, for device(s): eth0-TxRx-2
eth0-TxRx-3 i64 derive     Interrupt 64, for device(s): eth0-TxRx-3
eth0-TxRx-4 i65 derive     Interrupt 65, for device(s): eth0-TxRx-4
eth0-TxRx-5 i66 derive     Interrupt 66, for device(s): eth0-TxRx-5
eth0-TxRx-6 i67 derive     Interrupt 67, for device(s): eth0-TxRx-6
eth0-TxRx-7 i68 derive     Interrupt 68, for device(s): eth0-TxRx-7
eth1 i70 derive     Interrupt 70, for device(s): eth1
eth1-TxRx-0 i71 derive     Interrupt 71, for device(s): eth1-TxRx-0
dmar0 i72 derive     Interrupt 72, for device(s): dmar0
dmar1 i73 derive     Interrupt 73, for device(s): dmar1
eth1-TxRx-1 i74 derive     Interrupt 74, for device(s): eth1-TxRx-1
eth1-TxRx-2 i75 derive     Interrupt 75, for device(s): eth1-TxRx-2
eth1-TxRx-3 i76 derive     Interrupt 76, for device(s): eth1-TxRx-3
eth1-TxRx-4 i77 derive     Interrupt 77, for device(s): eth1-TxRx-4
eth1-TxRx-5 i78 derive     Interrupt 78, for device(s): eth1-TxRx-5
eth1-TxRx-6 i79 derive     Interrupt 79, for device(s): eth1-TxRx-6
eth1-TxRx-7 i80 derive     Interrupt 80, for device(s): eth1-TxRx-7
eth2 i82 derive     Interrupt 82, for device(s): eth2
eth2-TxRx-0 i83 derive     Interrupt 83, for device(s): eth2-TxRx-0
eth2-TxRx-1 i84 derive     Interrupt 84, for device(s): eth2-TxRx-1
eth2-TxRx-2 i85 derive     Interrupt 85, for device(s): eth2-TxRx-2
eth2-TxRx-3 i86 derive     Interrupt 86, for device(s): eth2-TxRx-3
eth2-TxRx-4 i87 derive     Interrupt 87, for device(s): eth2-TxRx-4
eth2-TxRx-5 i88 derive     Interrupt 88, for device(s): eth2-TxRx-5
eth2-TxRx-6 i89 derive     Interrupt 89, for device(s): eth2-TxRx-6
eth2-TxRx-7 i90 derive     Interrupt 90, for device(s): eth2-TxRx-7
eth3 i92 derive     Interrupt 92, for device(s): eth3
eth3-TxRx-0 i93 derive     Interrupt 93, for device(s): eth3-TxRx-0
eth3-TxRx-1 i94 derive     Interrupt 94, for device(s): eth3-TxRx-1
eth3-TxRx-2 i95 derive     Interrupt 95, for device(s): eth3-TxRx-2
eth3-TxRx-3 i96 derive     Interrupt 96, for device(s): eth3-TxRx-3
eth3-TxRx-4 i97 derive     Interrupt 97, for device(s): eth3-TxRx-4
eth3-TxRx-5 i98 derive     Interrupt 98, for device(s): eth3-TxRx-5
eth3-TxRx-6 i99 derive     Interrupt 99, for device(s): eth3-TxRx-6
eth3-TxRx-7 i100 derive     Interrupt 100, for device(s): eth3-TxRx-7
ioat-msix i102 derive     Interrupt 102, for device(s): ioat-msix
ioat-msix i104 derive     Interrupt 104, for device(s): ioat-msix
ioat-msix i105 derive     Interrupt 105, for device(s): ioat-msix
ioat-msix i106 derive     Interrupt 106, for device(s): ioat-msix
ioat-msix i107 derive     Interrupt 107, for device(s): ioat-msix
ioat-msix i108 derive     Interrupt 108, for device(s): ioat-msix
ioat-msix i109 derive     Interrupt 109, for device(s): ioat-msix
ioat-msix i110 derive     Interrupt 110, for device(s): ioat-msix
ioat-msix i112 derive     Interrupt 112, for device(s): ioat-msix
ioat-msix i114 derive     Interrupt 114, for device(s): ioat-msix
ioat-msix i115 derive     Interrupt 115, for device(s): ioat-msix
ioat-msix i116 derive     Interrupt 116, for device(s): ioat-msix
ioat-msix i117 derive     Interrupt 117, for device(s): ioat-msix
ioat-msix i118 derive     Interrupt 118, for device(s): ioat-msix
ioat-msix i119 derive     Interrupt 119, for device(s): ioat-msix
ioat-msix i120 derive     Interrupt 120, for device(s): ioat-msix
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