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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
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
16-fasteoi ehci_hcd:usb1 i16 derive     Interrupt 16, for device(s): 16-fasteoi ehci_hcd:usb1
18-fasteoi i801_smbus i18 derive     Interrupt 18, for device(s): 18-fasteoi i801_smbus
23-fasteoi ehci_hcd:usb2 i23 derive     Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb2
3670016-edge eno1 i37 derive     Interrupt 37, for device(s): 3670016-edge eno1
3670017-edge eno1-TxRx-0 i38 derive     Interrupt 38, for device(s): 3670017-edge eno1-TxRx-0
3670018-edge eno1-TxRx-1 i39 derive     Interrupt 39, for device(s): 3670018-edge eno1-TxRx-1
3670019-edge eno1-TxRx-2 i40 derive     Interrupt 40, for device(s): 3670019-edge eno1-TxRx-2
3670020-edge eno1-TxRx-3 i41 derive     Interrupt 41, for device(s): 3670020-edge eno1-TxRx-3
3670021-edge eno1-TxRx-4 i42 derive     Interrupt 42, for device(s): 3670021-edge eno1-TxRx-4
3670022-edge eno1-TxRx-5 i43 derive     Interrupt 43, for device(s): 3670022-edge eno1-TxRx-5
3670023-edge eno1-TxRx-6 i44 derive     Interrupt 44, for device(s): 3670023-edge eno1-TxRx-6
3670024-edge eno1-TxRx-7 i45 derive     Interrupt 45, for device(s): 3670024-edge eno1-TxRx-7
512000-edge ahci[0000:00:1f.2] i46 derive     Interrupt 46, for device(s): 512000-edge ahci[0000:00:1f.2]
1572864-edge isci-msix i47 derive     Interrupt 47, for device(s): 1572864-edge isci-msix
1572865-edge isci-msix i48 derive     Interrupt 48, for device(s): 1572865-edge isci-msix
1572866-edge isci-msix i49 derive     Interrupt 49, for device(s): 1572866-edge isci-msix
1572867-edge isci-msix i50 derive     Interrupt 50, for device(s): 1572867-edge isci-msix
3672064-edge eth1 i51 derive     Interrupt 51, for device(s): 3672064-edge eth1
3672065-edge eth1-TxRx-0 i52 derive     Interrupt 52, for device(s): 3672065-edge eth1-TxRx-0
3672066-edge eth1-TxRx-1 i53 derive     Interrupt 53, for device(s): 3672066-edge eth1-TxRx-1
3672067-edge eth1-TxRx-2 i54 derive     Interrupt 54, for device(s): 3672067-edge eth1-TxRx-2
3672068-edge eth1-TxRx-3 i55 derive     Interrupt 55, for device(s): 3672068-edge eth1-TxRx-3
3672069-edge eth1-TxRx-4 i56 derive     Interrupt 56, for device(s): 3672069-edge eth1-TxRx-4
3672070-edge eth1-TxRx-5 i57 derive     Interrupt 57, for device(s): 3672070-edge eth1-TxRx-5
3672071-edge eth1-TxRx-6 i58 derive     Interrupt 58, for device(s): 3672071-edge eth1-TxRx-6
3672072-edge eth1-TxRx-7 i59 derive     Interrupt 59, for device(s): 3672072-edge eth1-TxRx-7
0-edge dmar0 i72 derive     Interrupt 72, for device(s): 0-edge dmar0
1-edge dmar1 i73 derive     Interrupt 73, for device(s): 1-edge dmar1
65536-edge ioat-msix i81 derive     Interrupt 81, for device(s): 65536-edge ioat-msix
67584-edge ioat-msix i83 derive     Interrupt 83, for device(s): 67584-edge ioat-msix
69632-edge ioat-msix i84 derive     Interrupt 84, for device(s): 69632-edge ioat-msix
71680-edge ioat-msix i85 derive     Interrupt 85, for device(s): 71680-edge ioat-msix
73728-edge ioat-msix i86 derive     Interrupt 86, for device(s): 73728-edge ioat-msix
75776-edge ioat-msix i87 derive     Interrupt 87, for device(s): 75776-edge ioat-msix
77824-edge ioat-msix i88 derive     Interrupt 88, for device(s): 77824-edge ioat-msix
79872-edge ioat-msix i89 derive     Interrupt 89, for device(s): 79872-edge ioat-msix
67174400-edge ioat-msix i91 derive     Interrupt 91, for device(s): 67174400-edge ioat-msix
67176448-edge ioat-msix i93 derive     Interrupt 93, for device(s): 67176448-edge ioat-msix
67178496-edge ioat-msix i94 derive     Interrupt 94, for device(s): 67178496-edge ioat-msix
67180544-edge ioat-msix i95 derive     Interrupt 95, for device(s): 67180544-edge ioat-msix
67182592-edge ioat-msix i96 derive     Interrupt 96, for device(s): 67182592-edge ioat-msix
67184640-edge ioat-msix i97 derive     Interrupt 97, for device(s): 67184640-edge ioat-msix
67186688-edge ioat-msix i98 derive     Interrupt 98, for device(s): 67186688-edge ioat-msix
67188736-edge ioat-msix i99 derive     Interrupt 99, for device(s): 67188736-edge ioat-msix
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