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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
i8042 i1 derive     Interrupt 1, for device(s): i8042
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
i8042 i12 derive     Interrupt 12, for device(s): i8042
ehci_hcd:usb1 i16 derive     Interrupt 16, for device(s): ehci_hcd:usb1
ehci_hcd:usb2 i23 derive     Interrupt 23, for device(s): ehci_hcd:usb2
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
isci-msix i74 derive     Interrupt 74, for device(s): isci-msix
isci-msix i75 derive     Interrupt 75, for device(s): isci-msix
ahci i76 derive     Interrupt 76, for device(s): ahci
eth2 i86 derive     Interrupt 86, for device(s): eth2
eth2-TxRx-0 i87 derive     Interrupt 87, for device(s): eth2-TxRx-0
eth2-TxRx-1 i88 derive     Interrupt 88, for device(s): eth2-TxRx-1
eth2-TxRx-2 i89 derive     Interrupt 89, for device(s): eth2-TxRx-2
eth2-TxRx-3 i90 derive     Interrupt 90, for device(s): eth2-TxRx-3
eth2-TxRx-4 i91 derive     Interrupt 91, for device(s): eth2-TxRx-4
eth2-TxRx-5 i92 derive     Interrupt 92, for device(s): eth2-TxRx-5
eth2-TxRx-6 i93 derive     Interrupt 93, for device(s): eth2-TxRx-6
eth2-TxRx-7 i94 derive     Interrupt 94, for device(s): eth2-TxRx-7
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
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
ERR iERR derive      
MIS iMIS derive