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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
i801_smbus i16 derive     Interrupt 16, for device(s): i801_smbus
PCIe PME i24 derive     Interrupt 24, for device(s): PCIe PME
PCIe PME i25 derive     Interrupt 25, for device(s): PCIe PME
PCIe PME i27 derive     Interrupt 27, for device(s): PCIe PME
PCIe PME i28 derive     Interrupt 28, for device(s): PCIe PME
PCIe PME i29 derive     Interrupt 29, for device(s): PCIe PME
PCIe PME i31 derive     Interrupt 31, for device(s): PCIe PME
xhci_hcd i32 derive     Interrupt 32, for device(s): xhci_hcd
megasas0-msix0 i34 derive     Interrupt 34, for device(s): megasas0-msix0
megasas0-msix1 i35 derive     Interrupt 35, for device(s): megasas0-msix1
megasas0-msix2 i36 derive     Interrupt 36, for device(s): megasas0-msix2
megasas0-msix3 i37 derive     Interrupt 37, for device(s): megasas0-msix3
megasas0-msix4 i38 derive     Interrupt 38, for device(s): megasas0-msix4
megasas0-msix5 i39 derive     Interrupt 39, for device(s): megasas0-msix5
megasas0-msix6 i40 derive     Interrupt 40, for device(s): megasas0-msix6
megasas0-msix7 i41 derive     Interrupt 41, for device(s): megasas0-msix7
megasas0-msix8 i42 derive     Interrupt 42, for device(s): megasas0-msix8
megasas0-msix9 i43 derive     Interrupt 43, for device(s): megasas0-msix9
megasas0-msix10 i44 derive     Interrupt 44, for device(s): megasas0-msix10
megasas0-msix11 i45 derive     Interrupt 45, for device(s): megasas0-msix11
megasas0-msix12 i46 derive     Interrupt 46, for device(s): megasas0-msix12
megasas0-msix13 i47 derive     Interrupt 47, for device(s): megasas0-msix13
megasas0-msix14 i48 derive     Interrupt 48, for device(s): megasas0-msix14
megasas0-msix15 i49 derive     Interrupt 49, for device(s): megasas0-msix15
megasas0-msix16 i50 derive     Interrupt 50, for device(s): megasas0-msix16
enp0s31f6 i51 derive     Interrupt 51, for device(s): enp0s31f6
0000:00:17.0 i52 derive     Interrupt 52, for device(s): 0000:00:17.0
mei_me i54 derive     Interrupt 54, for device(s): mei_me
snd_hda_intel:card0 i55 derive     Interrupt 55, for device(s): snd_hda_intel:card0
dmar2 i56 derive     Interrupt 56, for device(s): dmar2
dmar1 i57 derive     Interrupt 57, for device(s): dmar1
dmar0 i58 derive     Interrupt 58, for device(s): dmar0
dmar3 i59 derive     Interrupt 59, for device(s): dmar3
snd_hda_intel:card1 i60 derive     Interrupt 60, for device(s): snd_hda_intel:card1
nvidia i61 derive     Interrupt 61, for device(s): nvidia
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