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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
parport0 i7 derive     Interrupt 7, for device(s): parport0
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
ata_piix i14 derive     Interrupt 14, for device(s): ata_piix
ata_piix i15 derive     Interrupt 15, for device(s): ata_piix
vmwgfx, vmci i16 derive     Interrupt 16, for device(s): vmwgfx, vmci
ioc0 i17 derive     Interrupt 17, for device(s): ioc0
pciehp i24 derive     Interrupt 24, for device(s): pciehp
pciehp i25 derive     Interrupt 25, for device(s): pciehp
pciehp i26 derive     Interrupt 26, for device(s): pciehp
pciehp i27 derive     Interrupt 27, for device(s): pciehp
pciehp i28 derive     Interrupt 28, for device(s): pciehp
pciehp i29 derive     Interrupt 29, for device(s): pciehp
pciehp i30 derive     Interrupt 30, for device(s): pciehp
pciehp i31 derive     Interrupt 31, for device(s): pciehp
pciehp i32 derive     Interrupt 32, for device(s): pciehp
pciehp i33 derive     Interrupt 33, for device(s): pciehp
pciehp i34 derive     Interrupt 34, for device(s): pciehp
pciehp i35 derive     Interrupt 35, for device(s): pciehp
pciehp i36 derive     Interrupt 36, for device(s): pciehp
pciehp i37 derive     Interrupt 37, for device(s): pciehp
pciehp i38 derive     Interrupt 38, for device(s): pciehp
pciehp i39 derive     Interrupt 39, for device(s): pciehp
pciehp i40 derive     Interrupt 40, for device(s): pciehp
pciehp i41 derive     Interrupt 41, for device(s): pciehp
pciehp i42 derive     Interrupt 42, for device(s): pciehp
pciehp i43 derive     Interrupt 43, for device(s): pciehp
pciehp i44 derive     Interrupt 44, for device(s): pciehp
pciehp i45 derive     Interrupt 45, for device(s): pciehp
pciehp i46 derive     Interrupt 46, for device(s): pciehp
pciehp i47 derive     Interrupt 47, for device(s): pciehp
pciehp i48 derive     Interrupt 48, for device(s): pciehp
pciehp i49 derive     Interrupt 49, for device(s): pciehp
pciehp i50 derive     Interrupt 50, for device(s): pciehp
pciehp i51 derive     Interrupt 51, for device(s): pciehp
pciehp i52 derive     Interrupt 52, for device(s): pciehp
pciehp i53 derive     Interrupt 53, for device(s): pciehp
pciehp i54 derive     Interrupt 54, for device(s): pciehp
pciehp i55 derive     Interrupt 55, for device(s): pciehp
eth0-rxtx-0 i56 derive     Interrupt 56, for device(s): eth0-rxtx-0
eth0-event-1 i57 derive     Interrupt 57, for device(s): eth0-event-1
eth1-rxtx-0 i58 derive     Interrupt 58, for device(s): eth1-rxtx-0
eth1-event-1 i59 derive     Interrupt 59, for device(s): eth1-event-1
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