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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 uhci_hcd:usb2, ioc0, ioc1, ioc2 i16 derive     Interrupt 16, for device(s): 16-fasteoi uhci_hcd:usb2, ioc0, ioc1, ioc2
18 i18 derive     Interrupt 18, for device(s): 18-fasteoi i801_smbus, ehci_hcd:usb1, uhci_hcd:usb8
19-fasteoi uhci_hcd:usb5, uhci_hcd:usb7 i19 derive     Interrupt 19, for device(s): 19-fasteoi uhci_hcd:usb5, uhci_hcd:usb7
21-fasteoi uhci_hcd:usb4 i21 derive     Interrupt 21, for device(s): 21-fasteoi uhci_hcd:usb4
23-fasteoi ehci_hcd:usb3, uhci_hcd:usb6 i23 derive     Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb3, uhci_hcd:usb6
3145728-edge enp6s0-rx-0 i29 derive     Interrupt 29, for device(s): 3145728-edge enp6s0-rx-0
512000-edge ahci[0000:00:1f.2] i30 derive     Interrupt 30, for device(s): 512000-edge ahci[0000:00:1f.2]
3145729-edge enp6s0-tx-0 i31 derive     Interrupt 31, for device(s): 3145729-edge enp6s0-tx-0
3145730-edge enp6s0 i32 derive     Interrupt 32, for device(s): 3145730-edge enp6s0
1572864-edge nvme0q0 i33 derive     Interrupt 33, for device(s): 1572864-edge nvme0q0
1572865-edge nvme0q1 i34 derive     Interrupt 34, for device(s): 1572865-edge nvme0q1
1572866-edge nvme0q2 i35 derive     Interrupt 35, for device(s): 1572866-edge nvme0q2
1572867-edge nvme0q3 i36 derive     Interrupt 36, for device(s): 1572867-edge nvme0q3
1572868-edge nvme0q4 i37 derive     Interrupt 37, for device(s): 1572868-edge nvme0q4
1572869-edge nvme0q5 i38 derive     Interrupt 38, for device(s): 1572869-edge nvme0q5
1572870-edge nvme0q6 i39 derive     Interrupt 39, for device(s): 1572870-edge nvme0q6
3670016-edge enp7s0-rx-0 i40 derive     Interrupt 40, for device(s): 3670016-edge enp7s0-rx-0
3670017-edge enp7s0-tx-0 i41 derive     Interrupt 41, for device(s): 3670017-edge enp7s0-tx-0
3670018-edge enp7s0 i42 derive     Interrupt 42, for device(s): 3670018-edge enp7s0
524288-edge ib_qib0 i43 derive     Interrupt 43, for device(s): 524288-edge ib_qib0
524289-edge ib_qib0 (buf avail) i44 derive     Interrupt 44, for device(s): 524289-edge ib_qib0 (buf avail)
524290-edge ib_qib0 (sdma 0) i45 derive     Interrupt 45, for device(s): 524290-edge ib_qib0 (sdma 0)
524291-edge ib_qib0 (sdmaI 0) i46 derive     Interrupt 46, for device(s): 524291-edge ib_qib0 (sdmaI 0)
524292-edge ib_qib0 (sdmaP 0) i47 derive     Interrupt 47, for device(s): 524292-edge ib_qib0 (sdmaP 0)
524293-edge ib_qib0 (sdmaC 0) i48 derive     Interrupt 48, for device(s): 524293-edge ib_qib0 (sdmaC 0)
524294-edge ib_qib0 (kctx) i49 derive     Interrupt 49, for device(s): 524294-edge ib_qib0 (kctx)
360448-edge ioat-msix i50 derive     Interrupt 50, for device(s): 360448-edge ioat-msix
362496-edge ioat-msix i51 derive     Interrupt 51, for device(s): 362496-edge ioat-msix
364544-edge ioat-msix i52 derive     Interrupt 52, for device(s): 364544-edge ioat-msix
366592-edge ioat-msix i53 derive     Interrupt 53, for device(s): 366592-edge ioat-msix
368640-edge ioat-msix i54 derive     Interrupt 54, for device(s): 368640-edge ioat-msix
370688-edge ioat-msix i55 derive     Interrupt 55, for device(s): 370688-edge ioat-msix
372736-edge ioat-msix i56 derive     Interrupt 56, for device(s): 372736-edge ioat-msix
374784-edge ioat-msix i57 derive     Interrupt 57, for device(s): 374784-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