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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
2-edge timer i0 derive     Interrupt 0, for device(s): 2-edge timer
1-edge i8042 i1 derive     Interrupt 1, for device(s): 1-edge i8042
4-edge serial i4 derive     Interrupt 4, for device(s): 4-edge serial
8-edge rtc0 i8 derive     Interrupt 8, for device(s): 8-edge rtc0
9-fasteoi acpi i9 derive     Interrupt 9, for device(s): 9-fasteoi acpi
12-edge i8042 i12 derive     Interrupt 12, for device(s): 12-edge i8042
22-fasteoi virtio3, virtio4 i22 derive     Interrupt 22, for device(s): 22-fasteoi virtio3, virtio4
32768-edge aerdrv, PCIe PME, pciehp i24 derive     Interrupt 24, for device(s): 32768-edge aerdrv, PCIe PME, pciehp
34816-edge aerdrv, PCIe PME, pciehp i25 derive     Interrupt 25, for device(s): 34816-edge aerdrv, PCIe PME, pciehp
36864-edge aerdrv, PCIe PME, pciehp i26 derive     Interrupt 26, for device(s): 36864-edge aerdrv, PCIe PME, pciehp
38912-edge aerdrv, PCIe PME, pciehp i27 derive     Interrupt 27, for device(s): 38912-edge aerdrv, PCIe PME, pciehp
40960-edge aerdrv, PCIe PME, pciehp i28 derive     Interrupt 28, for device(s): 40960-edge aerdrv, PCIe PME, pciehp
43008-edge aerdrv, PCIe PME, pciehp i29 derive     Interrupt 29, for device(s): 43008-edge aerdrv, PCIe PME, pciehp
45056-edge aerdrv, PCIe PME, pciehp i30 derive     Interrupt 30, for device(s): 45056-edge aerdrv, PCIe PME, pciehp
47104-edge aerdrv, PCIe PME, pciehp i31 derive     Interrupt 31, for device(s): 47104-edge aerdrv, PCIe PME, pciehp
49152-edge aerdrv, PCIe PME, pciehp i32 derive     Interrupt 32, for device(s): 49152-edge aerdrv, PCIe PME, pciehp
1572864-edge virtio2-config i33 derive     Interrupt 33, for device(s): 1572864-edge virtio2-config
1572865-edge virtio2-virtqueues i34 derive     Interrupt 34, for device(s): 1572865-edge virtio2-virtqueues
524288-edge virtio1-config i35 derive     Interrupt 35, for device(s): 524288-edge virtio1-config
524289-edge virtio1-input.0 i36 derive     Interrupt 36, for device(s): 524289-edge virtio1-input.0
524290-edge virtio1-output.0 i37 derive     Interrupt 37, for device(s): 524290-edge virtio1-output.0
1048576-edge xhci_hcd i38 derive     Interrupt 38, for device(s): 1048576-edge xhci_hcd
1048577-edge xhci_hcd i39 derive     Interrupt 39, for device(s): 1048577-edge xhci_hcd
1048578-edge xhci_hcd i40 derive     Interrupt 40, for device(s): 1048578-edge xhci_hcd
1048579-edge xhci_hcd i41 derive     Interrupt 41, for device(s): 1048579-edge xhci_hcd
1048580-edge xhci_hcd i42 derive     Interrupt 42, for device(s): 1048580-edge xhci_hcd
1048581-edge xhci_hcd i43 derive     Interrupt 43, for device(s): 1048581-edge xhci_hcd
1048582-edge xhci_hcd i44 derive     Interrupt 44, for device(s): 1048582-edge xhci_hcd
1048583-edge xhci_hcd i45 derive     Interrupt 45, for device(s): 1048583-edge xhci_hcd
1048584-edge xhci_hcd i46 derive     Interrupt 46, for device(s): 1048584-edge xhci_hcd
3145728-edge virtio5-config i47 derive     Interrupt 47, for device(s): 3145728-edge virtio5-config
3145729-edge virtio5-control i48 derive     Interrupt 48, for device(s): 3145729-edge virtio5-control
3145730-edge virtio5-event i49 derive     Interrupt 49, for device(s): 3145730-edge virtio5-event
3145731-edge virtio5-request i50 derive     Interrupt 50, for device(s): 3145731-edge virtio5-request
512000-edge 0000:00:1f.2 i51 derive     Interrupt 51, for device(s): 512000-edge 0000:00:1f.2
16384-edge virtio0-config i52 derive     Interrupt 52, for device(s): 16384-edge virtio0-config
16385-edge virtio0-control i53 derive     Interrupt 53, for device(s): 16385-edge virtio0-control
16386-edge virtio0-cursor i54 derive     Interrupt 54, for device(s): 16386-edge virtio0-cursor
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
Posted-interrupt wakeup event iPIW derive     Interrupt PIW, for device(s): Posted-interrupt wakeup event