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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
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 ohci_hcd:usb3, ohci_hcd:usb4 i16 derive     Interrupt 16, for device(s): 16-fasteoi ohci_hcd:usb3, ohci_hcd:usb4
17-fasteoi ehci_hcd:usb1 i17 derive     Interrupt 17, for device(s): 17-fasteoi ehci_hcd:usb1
18 i18 derive     Interrupt 18, for device(s): 18-fasteoi ohci_hcd:usb5, ohci_hcd:usb6, ohci_hcd:usb7
19-fasteoi ehci_hcd:usb2 i19 derive     Interrupt 19, for device(s): 19-fasteoi ehci_hcd:usb2
22-fasteoi 0000:00:11.0 i22 derive     Interrupt 22, for device(s): 22-fasteoi 0000:00:11.0
524288-edge mpt2sas0-msix0 i30 derive     Interrupt 30, for device(s): 524288-edge mpt2sas0-msix0
524289-edge mpt2sas0-msix1 i31 derive     Interrupt 31, for device(s): 524289-edge mpt2sas0-msix1
524290-edge mpt2sas0-msix2 i32 derive     Interrupt 32, for device(s): 524290-edge mpt2sas0-msix2
524291-edge mpt2sas0-msix3 i33 derive     Interrupt 33, for device(s): 524291-edge mpt2sas0-msix3
524292-edge mpt2sas0-msix4 i34 derive     Interrupt 34, for device(s): 524292-edge mpt2sas0-msix4
524293-edge mpt2sas0-msix5 i35 derive     Interrupt 35, for device(s): 524293-edge mpt2sas0-msix5
524294-edge mpt2sas0-msix6 i36 derive     Interrupt 36, for device(s): 524294-edge mpt2sas0-msix6
524295-edge mpt2sas0-msix7 i37 derive     Interrupt 37, for device(s): 524295-edge mpt2sas0-msix7
524296-edge mpt2sas0-msix8 i38 derive     Interrupt 38, for device(s): 524296-edge mpt2sas0-msix8
524297-edge mpt2sas0-msix9 i39 derive     Interrupt 39, for device(s): 524297-edge mpt2sas0-msix9
524298-edge mpt2sas0-msix10 i40 derive     Interrupt 40, for device(s): 524298-edge mpt2sas0-msix10
524299-edge mpt2sas0-msix11 i41 derive     Interrupt 41, for device(s): 524299-edge mpt2sas0-msix11
524300-edge mpt2sas0-msix12 i42 derive     Interrupt 42, for device(s): 524300-edge mpt2sas0-msix12
524301-edge mpt2sas0-msix13 i43 derive     Interrupt 43, for device(s): 524301-edge mpt2sas0-msix13
524302-edge mpt2sas0-msix14 i44 derive     Interrupt 44, for device(s): 524302-edge mpt2sas0-msix14
524303-edge mpt2sas0-msix15 i45 derive     Interrupt 45, for device(s): 524303-edge mpt2sas0-msix15
2097152-edge enp4s0f0 i47 derive     Interrupt 47, for device(s): 2097152-edge enp4s0f0
2099200-edge enp4s0f1 i50 derive     Interrupt 50, for device(s): 2099200-edge enp4s0f1
3145728-edge eth8-TxRx-0 i51 derive     Interrupt 51, for device(s): 3145728-edge eth8-TxRx-0
3145729-edge eth8-TxRx-1 i52 derive     Interrupt 52, for device(s): 3145729-edge eth8-TxRx-1
3145730-edge eth8-TxRx-2 i53 derive     Interrupt 53, for device(s): 3145730-edge eth8-TxRx-2
3145731-edge eth8-TxRx-3 i54 derive     Interrupt 54, for device(s): 3145731-edge eth8-TxRx-3
3145732-edge eth8-TxRx-4 i55 derive     Interrupt 55, for device(s): 3145732-edge eth8-TxRx-4
3145733-edge eth8-TxRx-5 i56 derive     Interrupt 56, for device(s): 3145733-edge eth8-TxRx-5
3145734-edge eth8-TxRx-6 i57 derive     Interrupt 57, for device(s): 3145734-edge eth8-TxRx-6
3145735-edge eth8-TxRx-7 i58 derive     Interrupt 58, for device(s): 3145735-edge eth8-TxRx-7
3145736-edge eth8-TxRx-8 i59 derive     Interrupt 59, for device(s): 3145736-edge eth8-TxRx-8
3145737-edge eth8-TxRx-9 i60 derive     Interrupt 60, for device(s): 3145737-edge eth8-TxRx-9
3145738-edge eth8-TxRx-10 i61 derive     Interrupt 61, for device(s): 3145738-edge eth8-TxRx-10
3145739-edge eth8-TxRx-11 i62 derive     Interrupt 62, for device(s): 3145739-edge eth8-TxRx-11
3145740-edge eth8-TxRx-12 i63 derive     Interrupt 63, for device(s): 3145740-edge eth8-TxRx-12
3145741-edge eth8-TxRx-13 i64 derive     Interrupt 64, for device(s): 3145741-edge eth8-TxRx-13
3145742-edge eth8-TxRx-14 i65 derive     Interrupt 65, for device(s): 3145742-edge eth8-TxRx-14
3145743-edge eth8-TxRx-15 i66 derive     Interrupt 66, for device(s): 3145743-edge eth8-TxRx-15
3145744-edge eth8 i67 derive     Interrupt 67, for device(s): 3145744-edge eth8
2621440-edge enp5s0f0 i69 derive     Interrupt 69, for device(s): 2621440-edge enp5s0f0
2623488-edge enp5s0f1 i71 derive     Interrupt 71, for device(s): 2623488-edge enp5s0f1
3670016-edge eth0-rx-0 i74 derive     Interrupt 74, for device(s): 3670016-edge eth0-rx-0
3670017-edge eth0-tx-0 i75 derive     Interrupt 75, for device(s): 3670017-edge eth0-tx-0
3670018-edge eth0 i76 derive     Interrupt 76, for device(s): 3670018-edge eth0
3147776-edge eth7-TxRx-0 i77 derive     Interrupt 77, for device(s): 3147776-edge eth7-TxRx-0
3147777-edge eth7-TxRx-1 i78 derive     Interrupt 78, for device(s): 3147777-edge eth7-TxRx-1
3147778-edge eth7-TxRx-2 i79 derive     Interrupt 79, for device(s): 3147778-edge eth7-TxRx-2
3147779-edge eth7-TxRx-3 i80 derive     Interrupt 80, for device(s): 3147779-edge eth7-TxRx-3
3147780-edge eth7-TxRx-4 i81 derive     Interrupt 81, for device(s): 3147780-edge eth7-TxRx-4
3147781-edge eth7-TxRx-5 i82 derive     Interrupt 82, for device(s): 3147781-edge eth7-TxRx-5
3147782-edge eth7-TxRx-6 i83 derive     Interrupt 83, for device(s): 3147782-edge eth7-TxRx-6
3147783-edge eth7-TxRx-7 i84 derive     Interrupt 84, for device(s): 3147783-edge eth7-TxRx-7
3147784-edge eth7-TxRx-8 i85 derive     Interrupt 85, for device(s): 3147784-edge eth7-TxRx-8
3147785-edge eth7-TxRx-9 i86 derive     Interrupt 86, for device(s): 3147785-edge eth7-TxRx-9
3147786-edge eth7-TxRx-10 i87 derive     Interrupt 87, for device(s): 3147786-edge eth7-TxRx-10
3147787-edge eth7-TxRx-11 i88 derive     Interrupt 88, for device(s): 3147787-edge eth7-TxRx-11
3147788-edge eth7-TxRx-12 i89 derive     Interrupt 89, for device(s): 3147788-edge eth7-TxRx-12
3147789-edge eth7-TxRx-13 i90 derive     Interrupt 90, for device(s): 3147789-edge eth7-TxRx-13
3147790-edge eth7-TxRx-14 i91 derive     Interrupt 91, for device(s): 3147790-edge eth7-TxRx-14
3147791-edge eth7-TxRx-15 i92 derive     Interrupt 92, for device(s): 3147791-edge eth7-TxRx-15
3147792-edge eth7 i93 derive     Interrupt 93, for device(s): 3147792-edge eth7
4194304-edge eth1-rx-0 i95 derive     Interrupt 95, for device(s): 4194304-edge eth1-rx-0
4194305-edge eth1-tx-0 i96 derive     Interrupt 96, for device(s): 4194305-edge eth1-tx-0
4194306-edge eth1 i97 derive     Interrupt 97, for device(s): 4194306-edge eth1
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