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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
timer i0 derive     Interrupt 0, for device(s): timer
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
ehci_hcd:usb1, ehci_hcd:usb2, i801_smbus i18 derive     Interrupt 18, for device(s): ehci_hcd:usb1, ehci_hcd:usb2, i801_smbus
xhci_hcd:usb3 i19 derive     Interrupt 19, for device(s): xhci_hcd:usb3
dmar0 i64 derive     Interrupt 64, for device(s): dmar0
eth0 i65 derive     Interrupt 65, for device(s): eth0
eth0-TxRx-0 i66 derive     Interrupt 66, for device(s): eth0-TxRx-0
eth0-TxRx-1 i67 derive     Interrupt 67, for device(s): eth0-TxRx-1
eth0-TxRx-2 i68 derive     Interrupt 68, for device(s): eth0-TxRx-2
eth0-TxRx-3 i69 derive     Interrupt 69, for device(s): eth0-TxRx-3
eth0-TxRx-4 i70 derive     Interrupt 70, for device(s): eth0-TxRx-4
eth0-TxRx-5 i71 derive     Interrupt 71, for device(s): eth0-TxRx-5
eth0-TxRx-6 i72 derive     Interrupt 72, for device(s): eth0-TxRx-6
eth0-TxRx-7 i73 derive     Interrupt 73, for device(s): eth0-TxRx-7
ahci i74 derive     Interrupt 74, for device(s): ahci
ahci i75 derive     Interrupt 75, for device(s): ahci
ioat-msix i103 derive     Interrupt 103, for device(s): ioat-msix
ioat-msix i104 derive     Interrupt 104, for device(s): ioat-msix
ioat-msix i105 derive     Interrupt 105, for device(s): ioat-msix
ioat-msix i106 derive     Interrupt 106, for device(s): ioat-msix
ioat-msix i107 derive     Interrupt 107, for device(s): ioat-msix
ioat-msix i108 derive     Interrupt 108, for device(s): ioat-msix
ioat-msix i109 derive     Interrupt 109, for device(s): ioat-msix
ioat-msix i110 derive     Interrupt 110, for device(s): 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
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
ERR iERR derive      
MIS iMIS derive