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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 uhci_hcd:usb2, i801_smbus i16 derive     Interrupt 16, for device(s): 16-fasteoi uhci_hcd:usb2, i801_smbus
17-fasteoi uhci_hcd:usb3 i17 derive     Interrupt 17, for device(s): 17-fasteoi uhci_hcd:usb3
18-fasteoi uhci_hcd:usb4 i18 derive     Interrupt 18, for device(s): 18-fasteoi uhci_hcd:usb4
19-fasteoi ehci_hcd:usb1 i19 derive     Interrupt 19, for device(s): 19-fasteoi ehci_hcd:usb1
20-fasteoi virtio4 i20 derive     Interrupt 20, for device(s): 20-fasteoi virtio4
23-fasteoi virtio3 i23 derive     Interrupt 23, for device(s): 23-fasteoi virtio3
16384-edge PCIe PME, aerdrv, pciehp i24 derive     Interrupt 24, for device(s): 16384-edge PCIe PME, aerdrv, pciehp
18432-edge PCIe PME, aerdrv, pciehp i25 derive     Interrupt 25, for device(s): 18432-edge PCIe PME, aerdrv, pciehp
20480-edge PCIe PME, aerdrv, pciehp i26 derive     Interrupt 26, for device(s): 20480-edge PCIe PME, aerdrv, pciehp
22528-edge PCIe PME, aerdrv, pciehp i27 derive     Interrupt 27, for device(s): 22528-edge PCIe PME, aerdrv, pciehp
24576-edge PCIe PME, aerdrv, pciehp i28 derive     Interrupt 28, for device(s): 24576-edge PCIe PME, aerdrv, pciehp
26624-edge PCIe PME, aerdrv, pciehp i29 derive     Interrupt 29, for device(s): 26624-edge PCIe PME, aerdrv, pciehp
28672-edge PCIe PME, aerdrv, pciehp i30 derive     Interrupt 30, for device(s): 28672-edge PCIe PME, aerdrv, pciehp
30720-edge PCIe PME, aerdrv, pciehp i31 derive     Interrupt 31, for device(s): 30720-edge PCIe PME, aerdrv, pciehp
32768-edge PCIe PME, aerdrv, pciehp i32 derive     Interrupt 32, for device(s): 32768-edge PCIe PME, aerdrv, pciehp
34816-edge PCIe PME, aerdrv, pciehp i33 derive     Interrupt 33, for device(s): 34816-edge PCIe PME, aerdrv, pciehp
36864-edge PCIe PME, aerdrv, pciehp i34 derive     Interrupt 34, for device(s): 36864-edge PCIe PME, aerdrv, pciehp
38912-edge PCIe PME, aerdrv, pciehp i35 derive     Interrupt 35, for device(s): 38912-edge PCIe PME, aerdrv, pciehp
40960-edge PCIe PME, aerdrv, pciehp i36 derive     Interrupt 36, for device(s): 40960-edge PCIe PME, aerdrv, pciehp
43008-edge PCIe PME, aerdrv, pciehp i37 derive     Interrupt 37, for device(s): 43008-edge PCIe PME, aerdrv, pciehp
45056-edge PCIe PME, aerdrv, pciehp i38 derive     Interrupt 38, for device(s): 45056-edge PCIe PME, aerdrv, pciehp
47104-edge PCIe PME, aerdrv, pciehp i39 derive     Interrupt 39, for device(s): 47104-edge PCIe PME, aerdrv, pciehp
49152-edge PCIe PME, aerdrv, pciehp i40 derive     Interrupt 40, for device(s): 49152-edge PCIe PME, aerdrv, pciehp
51200-edge PCIe PME, aerdrv, pciehp i41 derive     Interrupt 41, for device(s): 51200-edge PCIe PME, aerdrv, pciehp
53248-edge PCIe PME, aerdrv, pciehp i42 derive     Interrupt 42, for device(s): 53248-edge PCIe PME, aerdrv, pciehp
55296-edge PCIe PME, aerdrv, pciehp i43 derive     Interrupt 43, for device(s): 55296-edge PCIe PME, aerdrv, pciehp
57344-edge PCIe PME, aerdrv, pciehp i44 derive     Interrupt 44, for device(s): 57344-edge PCIe PME, aerdrv, pciehp
59392-edge PCIe PME, aerdrv, pciehp i45 derive     Interrupt 45, for device(s): 59392-edge PCIe PME, aerdrv, pciehp
61440-edge PCIe PME, aerdrv, pciehp i46 derive     Interrupt 46, for device(s): 61440-edge PCIe PME, aerdrv, pciehp
63488-edge PCIe PME, aerdrv, pciehp i47 derive     Interrupt 47, for device(s): 63488-edge PCIe PME, aerdrv, pciehp
65536-edge PCIe PME, aerdrv, pciehp i48 derive     Interrupt 48, for device(s): 65536-edge PCIe PME, aerdrv, pciehp
67584-edge PCIe PME, aerdrv, pciehp i49 derive     Interrupt 49, for device(s): 67584-edge PCIe PME, aerdrv, pciehp
69632-edge PCIe PME, aerdrv, pciehp i50 derive     Interrupt 50, for device(s): 69632-edge PCIe PME, aerdrv, pciehp
71680-edge PCIe PME, aerdrv, pciehp i51 derive     Interrupt 51, for device(s): 71680-edge PCIe PME, aerdrv, pciehp
73728-edge PCIe PME, aerdrv, pciehp i52 derive     Interrupt 52, for device(s): 73728-edge PCIe PME, aerdrv, pciehp
75776-edge PCIe PME, aerdrv, pciehp i53 derive     Interrupt 53, for device(s): 75776-edge PCIe PME, aerdrv, pciehp
77824-edge PCIe PME, aerdrv, pciehp i54 derive     Interrupt 54, for device(s): 77824-edge PCIe PME, aerdrv, pciehp
79872-edge PCIe PME, aerdrv, pciehp i55 derive     Interrupt 55, for device(s): 79872-edge PCIe PME, aerdrv, pciehp
81920-edge PCIe PME, aerdrv, pciehp i56 derive     Interrupt 56, for device(s): 81920-edge PCIe PME, aerdrv, pciehp
83968-edge PCIe PME, aerdrv, pciehp i57 derive     Interrupt 57, for device(s): 83968-edge PCIe PME, aerdrv, pciehp
86016-edge PCIe PME, aerdrv, pciehp i58 derive     Interrupt 58, for device(s): 86016-edge PCIe PME, aerdrv, pciehp
88064-edge PCIe PME, aerdrv, pciehp i59 derive     Interrupt 59, for device(s): 88064-edge PCIe PME, aerdrv, pciehp
90112-edge PCIe PME, aerdrv, pciehp i60 derive     Interrupt 60, for device(s): 90112-edge PCIe PME, aerdrv, pciehp
92160-edge PCIe PME, aerdrv, pciehp i61 derive     Interrupt 61, for device(s): 92160-edge PCIe PME, aerdrv, pciehp
94208-edge PCIe PME, aerdrv, pciehp i62 derive     Interrupt 62, for device(s): 94208-edge PCIe PME, aerdrv, pciehp
11534336-edge virtio1-config i63 derive     Interrupt 63, for device(s): 11534336-edge virtio1-config
11534337-edge virtio1-virtqueues i64 derive     Interrupt 64, for device(s): 11534337-edge virtio1-virtqueues
12058624-edge virtio2-config i65 derive     Interrupt 65, for device(s): 12058624-edge virtio2-config
12058625-edge virtio2-req.0 i66 derive     Interrupt 66, for device(s): 12058625-edge virtio2-req.0
11010048-edge virtio0-config i67 derive     Interrupt 67, for device(s): 11010048-edge virtio0-config
11010049-edge virtio0-input.0 i68 derive     Interrupt 68, for device(s): 11010049-edge virtio0-input.0
11010050-edge virtio0-output.0 i69 derive     Interrupt 69, for device(s): 11010050-edge virtio0-output.0
512000-edge ahci[0000:00:1f.2] i70 derive     Interrupt 70, for device(s): 512000-edge ahci[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