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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
3 i3 derive      
4 i4 derive      
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
3w-9xxx i16 derive     Interrupt 16, for device(s): 3w-9xxx
ata_piix, ata_piix i19 derive     Interrupt 19, for device(s): ata_piix, ata_piix
ehci_hcd:usb1 i23 derive     Interrupt 23, for device(s): ehci_hcd:usb1
hpet2 i24 derive     Interrupt 24, for device(s): hpet2
hpet3 i25 derive     Interrupt 25, for device(s): hpet3
hpet4 i26 derive     Interrupt 26, for device(s): hpet4
hpet5 i27 derive     Interrupt 27, for device(s): hpet5
aerdrv i29 derive     Interrupt 29, for device(s): aerdrv
aerdrv i30 derive     Interrupt 30, for device(s): aerdrv
eth0-rx-0 i34 derive     Interrupt 34, for device(s): eth0-rx-0
eth0-tx-0 i35 derive     Interrupt 35, for device(s): eth0-tx-0
eth0 i36 derive     Interrupt 36, for device(s): eth0
eth1-rx-0 i37 derive     Interrupt 37, for device(s): eth1-rx-0
eth1-tx-0 i38 derive     Interrupt 38, for device(s): eth1-tx-0
eth1 i39 derive     Interrupt 39, for device(s): eth1
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