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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
dmar0 i24 derive     Interrupt 24, for device(s): dmar0
hpet2 i25 derive     Interrupt 25, for device(s): hpet2
hpet3 i26 derive     Interrupt 26, for device(s): hpet3
hpet4 i27 derive     Interrupt 27, for device(s): hpet4
hpet5 i28 derive     Interrupt 28, for device(s): hpet5
hpet6 i29 derive     Interrupt 29, for device(s): hpet6
megasas i34 derive     Interrupt 34, for device(s): megasas
megasas i35 derive     Interrupt 35, for device(s): megasas
megasas i36 derive     Interrupt 36, for device(s): megasas
megasas i37 derive     Interrupt 37, for device(s): megasas
megasas i38 derive     Interrupt 38, for device(s): megasas
megasas i39 derive     Interrupt 39, for device(s): megasas
megasas i40 derive     Interrupt 40, for device(s): megasas
megasas i41 derive     Interrupt 41, for device(s): megasas
xhci_hcd i42 derive     Interrupt 42, for device(s): xhci_hcd
ahci i43 derive     Interrupt 43, for device(s): ahci
em1-tx-0 i44 derive     Interrupt 44, for device(s): em1-tx-0
em1-rx-1 i45 derive     Interrupt 45, for device(s): em1-rx-1
em1-rx-2 i46 derive     Interrupt 46, for device(s): em1-rx-2
em1-rx-3 i47 derive     Interrupt 47, for device(s): em1-rx-3
em1-rx-4 i48 derive     Interrupt 48, for device(s): em1-rx-4
em2-tx-0 i49 derive     Interrupt 49, for device(s): em2-tx-0
em2-rx-1 i50 derive     Interrupt 50, for device(s): em2-rx-1
em2-rx-2 i51 derive     Interrupt 51, for device(s): em2-rx-2
em2-rx-3 i52 derive     Interrupt 52, for device(s): em2-rx-3
em2-rx-4 i53 derive     Interrupt 53, for device(s): em2-rx-4
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