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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
19-fasteoi i801_smbus i19 derive     Interrupt 19, for device(s): 19-fasteoi i801_smbus
23-fasteoi ehci_hcd:usb2 i23 derive     Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb2
16384-edge PCIe PME, aerdrv i25 derive     Interrupt 25, for device(s): 16384-edge PCIe PME, aerdrv
278528-edge PCIe PME, aerdrv i26 derive     Interrupt 26, for device(s): 278528-edge PCIe PME, aerdrv
458752-edge PCIe PME i27 derive     Interrupt 27, for device(s): 458752-edge PCIe PME
512000-edge ahci[0000:00:1f.2] i28 derive     Interrupt 28, for device(s): 512000-edge ahci[0000:00:1f.2]
1048576-edge eno1 i30 derive     Interrupt 30, for device(s): 1048576-edge eno1
1048577-edge eno1-TxRx-0 i31 derive     Interrupt 31, for device(s): 1048577-edge eno1-TxRx-0
1048578-edge eno1-TxRx-1 i32 derive     Interrupt 32, for device(s): 1048578-edge eno1-TxRx-1
1048579-edge eno1-TxRx-2 i33 derive     Interrupt 33, for device(s): 1048579-edge eno1-TxRx-2
1048580-edge eno1-TxRx-3 i34 derive     Interrupt 34, for device(s): 1048580-edge eno1-TxRx-3
1048581-edge eno1-TxRx-4 i35 derive     Interrupt 35, for device(s): 1048581-edge eno1-TxRx-4
1048582-edge eno1-TxRx-5 i36 derive     Interrupt 36, for device(s): 1048582-edge eno1-TxRx-5
1048583-edge eno1-TxRx-6 i37 derive     Interrupt 37, for device(s): 1048583-edge eno1-TxRx-6
1048584-edge eno1-TxRx-7 i38 derive     Interrupt 38, for device(s): 1048584-edge eno1-TxRx-7
1054720-edge eno2 i39 derive     Interrupt 39, for device(s): 1054720-edge eno2
1054721-edge eno2-TxRx-0 i40 derive     Interrupt 40, for device(s): 1054721-edge eno2-TxRx-0
1054722-edge eno2-TxRx-1 i41 derive     Interrupt 41, for device(s): 1054722-edge eno2-TxRx-1
1054723-edge eno2-TxRx-2 i42 derive     Interrupt 42, for device(s): 1054723-edge eno2-TxRx-2
1054724-edge eno2-TxRx-3 i43 derive     Interrupt 43, for device(s): 1054724-edge eno2-TxRx-3
1054725-edge eno2-TxRx-4 i44 derive     Interrupt 44, for device(s): 1054725-edge eno2-TxRx-4
1054726-edge eno2-TxRx-5 i45 derive     Interrupt 45, for device(s): 1054726-edge eno2-TxRx-5
1054727-edge eno2-TxRx-6 i46 derive     Interrupt 46, for device(s): 1054727-edge eno2-TxRx-6
1054728-edge eno2-TxRx-7 i47 derive     Interrupt 47, for device(s): 1054728-edge eno2-TxRx-7
65536-edge ioat-msix i49 derive     Interrupt 49, for device(s): 65536-edge ioat-msix
67584-edge ioat-msix i51 derive     Interrupt 51, for device(s): 67584-edge ioat-msix
69632-edge ioat-msix i52 derive     Interrupt 52, for device(s): 69632-edge ioat-msix
71680-edge ioat-msix i53 derive     Interrupt 53, for device(s): 71680-edge ioat-msix
73728-edge ioat-msix i54 derive     Interrupt 54, for device(s): 73728-edge ioat-msix
75776-edge ioat-msix i55 derive     Interrupt 55, for device(s): 75776-edge ioat-msix
77824-edge ioat-msix i56 derive     Interrupt 56, for device(s): 77824-edge ioat-msix
79872-edge ioat-msix i57 derive     Interrupt 57, for device(s): 79872-edge ioat-msix
67174400-edge ioat-msix i59 derive     Interrupt 59, for device(s): 67174400-edge ioat-msix
67176448-edge ioat-msix i61 derive     Interrupt 61, for device(s): 67176448-edge ioat-msix
67178496-edge ioat-msix i62 derive     Interrupt 62, for device(s): 67178496-edge ioat-msix
67180544-edge ioat-msix i63 derive     Interrupt 63, for device(s): 67180544-edge ioat-msix
67182592-edge ioat-msix i64 derive     Interrupt 64, for device(s): 67182592-edge ioat-msix
67184640-edge ioat-msix i65 derive     Interrupt 65, for device(s): 67184640-edge ioat-msix
67186688-edge ioat-msix i66 derive     Interrupt 66, for device(s): 67186688-edge ioat-msix
67188736-edge ioat-msix i67 derive     Interrupt 67, 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