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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
qxl i21 derive     Interrupt 21, for device(s): qxl
virtio3 i22 derive     Interrupt 22, for device(s): virtio3
aerdrv, PCIe PME, pciehp i24 derive     Interrupt 24, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i25 derive     Interrupt 25, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i26 derive     Interrupt 26, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i27 derive     Interrupt 27, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i28 derive     Interrupt 28, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i29 derive     Interrupt 29, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i30 derive     Interrupt 30, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i31 derive     Interrupt 31, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i32 derive     Interrupt 32, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i33 derive     Interrupt 33, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i34 derive     Interrupt 34, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i35 derive     Interrupt 35, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i36 derive     Interrupt 36, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i37 derive     Interrupt 37, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i38 derive     Interrupt 38, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME, pciehp i39 derive     Interrupt 39, for device(s): aerdrv, PCIe PME, pciehp
xhci_hcd i40 derive     Interrupt 40, for device(s): xhci_hcd
xhci_hcd i41 derive     Interrupt 41, for device(s): xhci_hcd
xhci_hcd i42 derive     Interrupt 42, for device(s): xhci_hcd
xhci_hcd i43 derive     Interrupt 43, for device(s): xhci_hcd
xhci_hcd i44 derive     Interrupt 44, for device(s): xhci_hcd
virtio1-config i45 derive     Interrupt 45, for device(s): virtio1-config
virtio1-virtqueues i46 derive     Interrupt 46, for device(s): virtio1-virtqueues
virtio0-config i47 derive     Interrupt 47, for device(s): virtio0-config
virtio0-input.0 i48 derive     Interrupt 48, for device(s): virtio0-input.0
virtio0-output.0 i49 derive     Interrupt 49, for device(s): virtio0-output.0
virtio0-input.1 i50 derive     Interrupt 50, for device(s): virtio0-input.1
virtio0-output.1 i51 derive     Interrupt 51, for device(s): virtio0-output.1
virtio0-input.2 i52 derive     Interrupt 52, for device(s): virtio0-input.2
virtio0-output.2 i53 derive     Interrupt 53, for device(s): virtio0-output.2
virtio0-input.3 i54 derive     Interrupt 54, for device(s): virtio0-input.3
virtio0-output.3 i55 derive     Interrupt 55, for device(s): virtio0-output.3
virtio2-config i56 derive     Interrupt 56, for device(s): virtio2-config
virtio2-control i57 derive     Interrupt 57, for device(s): virtio2-control
virtio2-event i58 derive     Interrupt 58, for device(s): virtio2-event
virtio2-request i59 derive     Interrupt 59, for device(s): virtio2-request
virtio2-request i60 derive     Interrupt 60, for device(s): virtio2-request
virtio2-request i61 derive     Interrupt 61, for device(s): virtio2-request
virtio2-request i62 derive     Interrupt 62, for device(s): virtio2-request
0000:00:1f.2 i63 derive     Interrupt 63, for device(s): 0000:00:1f.2
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