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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
3-edge serial i3 derive     Interrupt 3, for device(s): 3-edge serial
4-edge serial i4 derive     Interrupt 4, for device(s): 4-edge serial
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
2-edge dmar2 i24 derive     Interrupt 24, for device(s): 2-edge dmar2
0-edge dmar0 i25 derive     Interrupt 25, for device(s): 0-edge dmar0
3-edge dmar3 i26 derive     Interrupt 26, for device(s): 3-edge dmar3
65536-edge ioat-msix i38 derive     Interrupt 38, for device(s): 65536-edge ioat-msix
67584-edge ioat-msix i40 derive     Interrupt 40, for device(s): 67584-edge ioat-msix
69632-edge ioat-msix i41 derive     Interrupt 41, for device(s): 69632-edge ioat-msix
71680-edge ioat-msix i42 derive     Interrupt 42, for device(s): 71680-edge ioat-msix
73728-edge ioat-msix i43 derive     Interrupt 43, for device(s): 73728-edge ioat-msix
75776-edge ioat-msix i44 derive     Interrupt 44, for device(s): 75776-edge ioat-msix
77824-edge ioat-msix i45 derive     Interrupt 45, for device(s): 77824-edge ioat-msix
79872-edge ioat-msix i46 derive     Interrupt 46, for device(s): 79872-edge ioat-msix
2621440-edge nvme0q0, nvme0q1 i47 derive     Interrupt 47, for device(s): 2621440-edge nvme0q0, nvme0q1
288768-edge ahci[0000:00:11.5] i49 derive     Interrupt 49, for device(s): 288768-edge ahci[0000:00:11.5]
12058624-edge nvme1q0, nvme1q1 i50 derive     Interrupt 50, for device(s): 12058624-edge nvme1q0, nvme1q1
376832-edge ahci[0000:00:17.0] i51 derive     Interrupt 51, for device(s): 376832-edge ahci[0000:00:17.0]
2621441-edge nvme0q2 i53 derive     Interrupt 53, for device(s): 2621441-edge nvme0q2
2621442-edge nvme0q3 i54 derive     Interrupt 54, for device(s): 2621442-edge nvme0q3
2621443-edge nvme0q4 i55 derive     Interrupt 55, for device(s): 2621443-edge nvme0q4
2621444-edge nvme0q5 i56 derive     Interrupt 56, for device(s): 2621444-edge nvme0q5
2621445-edge nvme0q6 i57 derive     Interrupt 57, for device(s): 2621445-edge nvme0q6
2621446-edge nvme0q7 i58 derive     Interrupt 58, for device(s): 2621446-edge nvme0q7
2621447-edge nvme0q8 i59 derive     Interrupt 59, for device(s): 2621447-edge nvme0q8
12058625-edge nvme1q2 i60 derive     Interrupt 60, for device(s): 12058625-edge nvme1q2
12058626-edge nvme1q3 i61 derive     Interrupt 61, for device(s): 12058626-edge nvme1q3
12058627-edge nvme1q4 i62 derive     Interrupt 62, for device(s): 12058627-edge nvme1q4
12058628-edge nvme1q5 i63 derive     Interrupt 63, for device(s): 12058628-edge nvme1q5
12058629-edge nvme1q6 i64 derive     Interrupt 64, for device(s): 12058629-edge nvme1q6
12058630-edge nvme1q7 i65 derive     Interrupt 65, for device(s): 12058630-edge nvme1q7
12058631-edge nvme1q8 i66 derive     Interrupt 66, for device(s): 12058631-edge nvme1q8
94896128-edge i40e-0000:b5:00.0:misc i67 derive     Interrupt 67, for device(s): 94896128-edge i40e-0000:b5:00.0:misc
94896129-edge i40e-eno1-TxRx-0 i68 derive     Interrupt 68, for device(s): 94896129-edge i40e-eno1-TxRx-0
94896130-edge i40e-eno1-TxRx-1 i69 derive     Interrupt 69, for device(s): 94896130-edge i40e-eno1-TxRx-1
94896131-edge i40e-eno1-TxRx-2 i70 derive     Interrupt 70, for device(s): 94896131-edge i40e-eno1-TxRx-2
94896132-edge i40e-eno1-TxRx-3 i71 derive     Interrupt 71, for device(s): 94896132-edge i40e-eno1-TxRx-3
94896133-edge i40e-eno1-TxRx-4 i72 derive     Interrupt 72, for device(s): 94896133-edge i40e-eno1-TxRx-4
94896134-edge i40e-eno1-TxRx-5 i73 derive     Interrupt 73, for device(s): 94896134-edge i40e-eno1-TxRx-5
94896135-edge i40e-eno1-TxRx-6 i74 derive     Interrupt 74, for device(s): 94896135-edge i40e-eno1-TxRx-6
94896136-edge i40e-eno1-TxRx-7 i75 derive     Interrupt 75, for device(s): 94896136-edge i40e-eno1-TxRx-7
76 i76 derive     Interrupt 76, for device(s): 94896137-edge i40e-0000:b5:00.0:fdir-TxRx-0
94898176-edge i40e-0000:b5:00.1:misc i94 derive     Interrupt 94, for device(s): 94898176-edge i40e-0000:b5:00.1:misc
103 i103 derive     Interrupt 103, for device(s): 94898185-edge i40e-0000:b5:00.1:fdir-TxRx-0
327680-edge xhci_hcd i121 derive     Interrupt 121, for device(s): 327680-edge xhci_hcd
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