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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
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
hpvsa1 i26 derive     Interrupt 26, for device(s): hpvsa1
hpvsa1 i27 derive     Interrupt 27, for device(s): hpvsa1
hpvsa0 i29 derive     Interrupt 29, for device(s): hpvsa0
hpvsa0 i30 derive     Interrupt 30, for device(s): hpvsa0
hpvsa0 i31 derive     Interrupt 31, for device(s): hpvsa0
hpvsa0 i32 derive     Interrupt 32, for device(s): hpvsa0
hpvsa0 i33 derive     Interrupt 33, for device(s): hpvsa0
hpvsa0 i34 derive     Interrupt 34, for device(s): hpvsa0
hpvsa0 i35 derive     Interrupt 35, for device(s): hpvsa0
hpvsa0 i36 derive     Interrupt 36, for device(s): hpvsa0
hpvsa0 i37 derive     Interrupt 37, for device(s): hpvsa0
hpvsa0 i38 derive     Interrupt 38, for device(s): hpvsa0
hpvsa0 i39 derive     Interrupt 39, for device(s): hpvsa0
hpvsa0 i40 derive     Interrupt 40, for device(s): hpvsa0
eno1 i41 derive     Interrupt 41, for device(s): eno1
eno1-TxRx-0 i42 derive     Interrupt 42, for device(s): eno1-TxRx-0
eno1-TxRx-1 i43 derive     Interrupt 43, for device(s): eno1-TxRx-1
eno1-TxRx-2 i44 derive     Interrupt 44, for device(s): eno1-TxRx-2
eno1-TxRx-3 i45 derive     Interrupt 45, for device(s): eno1-TxRx-3
eno1-TxRx-4 i46 derive     Interrupt 46, for device(s): eno1-TxRx-4
eno1-TxRx-5 i47 derive     Interrupt 47, for device(s): eno1-TxRx-5
dmar0 i48 derive     Interrupt 48, for device(s): dmar0
eno1-TxRx-6 i49 derive     Interrupt 49, for device(s): eno1-TxRx-6
eno1-TxRx-7 i50 derive     Interrupt 50, for device(s): eno1-TxRx-7
0000:00:1f.2 i51 derive     Interrupt 51, for device(s): 0000:00:1f.2
eno2 i52 derive     Interrupt 52, for device(s): eno2
eno2-TxRx-0 i53 derive     Interrupt 53, for device(s): eno2-TxRx-0
eno2-TxRx-1 i54 derive     Interrupt 54, for device(s): eno2-TxRx-1
eno2-TxRx-2 i55 derive     Interrupt 55, for device(s): eno2-TxRx-2
eno2-TxRx-3 i56 derive     Interrupt 56, for device(s): eno2-TxRx-3
eno2-TxRx-4 i57 derive     Interrupt 57, for device(s): eno2-TxRx-4
eno2-TxRx-5 i58 derive     Interrupt 58, for device(s): eno2-TxRx-5
eno2-TxRx-6 i59 derive     Interrupt 59, for device(s): eno2-TxRx-6
eno2-TxRx-7 i60 derive     Interrupt 60, for device(s): eno2-TxRx-7
eno3 i61 derive     Interrupt 61, for device(s): eno3
eno3-TxRx-0 i62 derive     Interrupt 62, for device(s): eno3-TxRx-0
eno3-TxRx-1 i63 derive     Interrupt 63, for device(s): eno3-TxRx-1
eno3-TxRx-2 i64 derive     Interrupt 64, for device(s): eno3-TxRx-2
eno3-TxRx-3 i65 derive     Interrupt 65, for device(s): eno3-TxRx-3
eno3-TxRx-4 i66 derive     Interrupt 66, for device(s): eno3-TxRx-4
eno3-TxRx-5 i67 derive     Interrupt 67, for device(s): eno3-TxRx-5
eno3-TxRx-6 i68 derive     Interrupt 68, for device(s): eno3-TxRx-6
eno3-TxRx-7 i69 derive     Interrupt 69, for device(s): eno3-TxRx-7
eno4 i70 derive     Interrupt 70, for device(s): eno4
eno4-TxRx-0 i71 derive     Interrupt 71, for device(s): eno4-TxRx-0
eno4-TxRx-1 i72 derive     Interrupt 72, for device(s): eno4-TxRx-1
eno4-TxRx-2 i73 derive     Interrupt 73, for device(s): eno4-TxRx-2
eno4-TxRx-3 i74 derive     Interrupt 74, for device(s): eno4-TxRx-3
eno4-TxRx-4 i75 derive     Interrupt 75, for device(s): eno4-TxRx-4
eno4-TxRx-5 i76 derive     Interrupt 76, for device(s): eno4-TxRx-5
eno4-TxRx-6 i77 derive     Interrupt 77, for device(s): eno4-TxRx-6
eno4-TxRx-7 i78 derive     Interrupt 78, for device(s): eno4-TxRx-7
ioat-msix i79 derive     Interrupt 79, for device(s): ioat-msix
ioat-msix i80 derive     Interrupt 80, for device(s): ioat-msix
ioat-msix i81 derive     Interrupt 81, for device(s): ioat-msix
ioat-msix i82 derive     Interrupt 82, for device(s): ioat-msix
ioat-msix i83 derive     Interrupt 83, for device(s): ioat-msix
ioat-msix i84 derive     Interrupt 84, for device(s): ioat-msix
ioat-msix i85 derive     Interrupt 85, for device(s): ioat-msix
ioat-msix i86 derive     Interrupt 86, 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