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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
16-fasteoi snd_hda_intel:card0 i16 derive     Interrupt 16, for device(s): 16-fasteoi snd_hda_intel:card0
17-fasteoi ehci_hcd:usb1 i17 derive     Interrupt 17, for device(s): 17-fasteoi ehci_hcd:usb1
18-fasteoi ohci_hcd:usb8, ohci_hcd:usb10 i18 derive     Interrupt 18, for device(s): 18-fasteoi ohci_hcd:usb8, ohci_hcd:usb10
19-fasteoi ahci[0000:00:11.0] i19 derive     Interrupt 19, for device(s): 19-fasteoi ahci[0000:00:11.0]
20-fasteoi ohci_hcd:usb9 i20 derive     Interrupt 20, for device(s): 20-fasteoi ohci_hcd:usb9
21-fasteoi ehci_hcd:usb3 i21 derive     Interrupt 21, for device(s): 21-fasteoi ehci_hcd:usb3
22-fasteoi ohci_hcd:usb11 i22 derive     Interrupt 22, for device(s): 22-fasteoi ohci_hcd:usb11
23-fasteoi ehci_hcd:usb6 i23 derive     Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb6
3145728-edge enp6s0 i28 derive     Interrupt 28, for device(s): 3145728-edge enp6s0
3145729-edge enp6s0-TxRx-0 i29 derive     Interrupt 29, for device(s): 3145729-edge enp6s0-TxRx-0
3145730-edge enp6s0-TxRx-1 i30 derive     Interrupt 30, for device(s): 3145730-edge enp6s0-TxRx-1
3145731-edge enp6s0-TxRx-2 i31 derive     Interrupt 31, for device(s): 3145731-edge enp6s0-TxRx-2
3145732-edge enp6s0-TxRx-3 i32 derive     Interrupt 32, for device(s): 3145732-edge enp6s0-TxRx-3
1048576-edge enp2s0 i34 derive     Interrupt 34, for device(s): 1048576-edge enp2s0
1572864-edge xhci_hcd i36 derive     Interrupt 36, for device(s): 1572864-edge xhci_hcd
1572865-edge xhci_hcd i37 derive     Interrupt 37, for device(s): 1572865-edge xhci_hcd
1572866-edge xhci_hcd i38 derive     Interrupt 38, for device(s): 1572866-edge xhci_hcd
1572867-edge xhci_hcd i39 derive     Interrupt 39, for device(s): 1572867-edge xhci_hcd
1572868-edge xhci_hcd i40 derive     Interrupt 40, for device(s): 1572868-edge xhci_hcd
1572869-edge xhci_hcd i41 derive     Interrupt 41, for device(s): 1572869-edge xhci_hcd
1572870-edge xhci_hcd i42 derive     Interrupt 42, for device(s): 1572870-edge xhci_hcd
2097152-edge xhci_hcd i44 derive     Interrupt 44, for device(s): 2097152-edge xhci_hcd
2097153-edge xhci_hcd i45 derive     Interrupt 45, for device(s): 2097153-edge xhci_hcd
2097154-edge xhci_hcd i46 derive     Interrupt 46, for device(s): 2097154-edge xhci_hcd
2097155-edge xhci_hcd i47 derive     Interrupt 47, for device(s): 2097155-edge xhci_hcd
2097156-edge xhci_hcd i48 derive     Interrupt 48, for device(s): 2097156-edge xhci_hcd
2097157-edge xhci_hcd i49 derive     Interrupt 49, for device(s): 2097157-edge xhci_hcd
2097158-edge xhci_hcd i50 derive     Interrupt 50, for device(s): 2097158-edge xhci_hcd
526336-edge snd_hda_intel:card1 i52 derive     Interrupt 52, for device(s): 526336-edge snd_hda_intel:card1
24-fasteoi ath9k i53 derive     Interrupt 53, for device(s): 24-fasteoi ath9k
524288-edge radeon i55 derive     Interrupt 55, for device(s): 524288-edge radeon
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
Hypervisor callback interrupts iHYP derive     Interrupt HYP, for device(s): Hypervisor callback interrupts
Hyper-V reenlightenment interrupts iHRE derive     Interrupt HRE, for device(s): Hyper-V reenlightenment interrupts
Hyper-V stimer0 interrupts iHVS derive     Interrupt HVS, for device(s): Hyper-V stimer0 interrupts
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