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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
1-edge i8042 i1 derive     Interrupt 1, for device(s): 1-edge i8042
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
16-fasteoi i801_smbus i16 derive     Interrupt 16, for device(s): 16-fasteoi i801_smbus
22-fasteoi virtio5, virtio4 i22 derive     Interrupt 22, for device(s): 22-fasteoi virtio5, virtio4
32768-edge PCIe PME, aerdrv i24 derive     Interrupt 24, for device(s): 32768-edge PCIe PME, aerdrv
34816-edge PCIe PME, aerdrv i25 derive     Interrupt 25, for device(s): 34816-edge PCIe PME, aerdrv
36864-edge PCIe PME, aerdrv i26 derive     Interrupt 26, for device(s): 36864-edge PCIe PME, aerdrv
38912-edge PCIe PME, aerdrv i27 derive     Interrupt 27, for device(s): 38912-edge PCIe PME, aerdrv
40960-edge PCIe PME, aerdrv i28 derive     Interrupt 28, for device(s): 40960-edge PCIe PME, aerdrv
43008-edge PCIe PME, aerdrv i29 derive     Interrupt 29, for device(s): 43008-edge PCIe PME, aerdrv
45056-edge PCIe PME, aerdrv i30 derive     Interrupt 30, for device(s): 45056-edge PCIe PME, aerdrv
47104-edge PCIe PME, aerdrv i31 derive     Interrupt 31, for device(s): 47104-edge PCIe PME, aerdrv
49152-edge PCIe PME, aerdrv i32 derive     Interrupt 32, for device(s): 49152-edge PCIe PME, aerdrv
51200-edge PCIe PME, aerdrv i33 derive     Interrupt 33, for device(s): 51200-edge PCIe PME, aerdrv
53248-edge PCIe PME, aerdrv i34 derive     Interrupt 34, for device(s): 53248-edge PCIe PME, aerdrv
55296-edge PCIe PME, aerdrv i35 derive     Interrupt 35, for device(s): 55296-edge PCIe PME, aerdrv
57344-edge PCIe PME, aerdrv i36 derive     Interrupt 36, for device(s): 57344-edge PCIe PME, aerdrv
59392-edge PCIe PME, aerdrv i37 derive     Interrupt 37, for device(s): 59392-edge PCIe PME, aerdrv
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
1572864-edge virtio2-config i43 derive     Interrupt 43, for device(s): 1572864-edge virtio2-config
1572865-edge virtio2-virtqueues i44 derive     Interrupt 44, for device(s): 1572865-edge virtio2-virtqueues
2097152-edge virtio3-config i45 derive     Interrupt 45, for device(s): 2097152-edge virtio3-config
2097153-edge virtio3-req.0 i46 derive     Interrupt 46, for device(s): 2097153-edge virtio3-req.0
2097154-edge virtio3-req.1 i47 derive     Interrupt 47, for device(s): 2097154-edge virtio3-req.1
2097155-edge virtio3-req.2 i48 derive     Interrupt 48, for device(s): 2097155-edge virtio3-req.2
2097156-edge virtio3-req.3 i49 derive     Interrupt 49, for device(s): 2097156-edge virtio3-req.3
524288-edge virtio1-config i50 derive     Interrupt 50, for device(s): 524288-edge virtio1-config
524289-edge virtio1-input.0 i51 derive     Interrupt 51, for device(s): 524289-edge virtio1-input.0
524290-edge virtio1-output.0 i52 derive     Interrupt 52, for device(s): 524290-edge virtio1-output.0
512000-edge ahci[0000:00:1f.2] i53 derive     Interrupt 53, for device(s): 512000-edge ahci[0000:00:1f.2]
16384-edge virtio0-config i54 derive     Interrupt 54, for device(s): 16384-edge virtio0-config
16385-edge virtio0-control i55 derive     Interrupt 55, for device(s): 16385-edge virtio0-control
16386-edge virtio0-cursor i56 derive     Interrupt 56, for device(s): 16386-edge virtio0-cursor
442368-edge snd_hda_intel:card0 i57 derive     Interrupt 57, for device(s): 442368-edge snd_hda_intel:card0
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
Hypervisor callback interrupts iHYP derive     Interrupt HYP, for device(s): Hypervisor callback interrupts
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