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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
i801_smbus i18 derive     Interrupt 18, for device(s): i801_smbus
ehci_hcd:usb2 i23 derive     Interrupt 23, for device(s): ehci_hcd:usb2
dmar0 i88 derive     Interrupt 88, for device(s): dmar0
dmar1 i89 derive     Interrupt 89, for device(s): dmar1
eth0 i90 derive     Interrupt 90, for device(s): eth0
eth0-TxRx-0 i91 derive     Interrupt 91, for device(s): eth0-TxRx-0
eth0-TxRx-1 i92 derive     Interrupt 92, for device(s): eth0-TxRx-1
eth0-TxRx-2 i93 derive     Interrupt 93, for device(s): eth0-TxRx-2
eth0-TxRx-3 i94 derive     Interrupt 94, for device(s): eth0-TxRx-3
eth0-TxRx-4 i95 derive     Interrupt 95, for device(s): eth0-TxRx-4
eth0-TxRx-5 i96 derive     Interrupt 96, for device(s): eth0-TxRx-5
eth0-TxRx-6 i97 derive     Interrupt 97, for device(s): eth0-TxRx-6
eth0-TxRx-7 i98 derive     Interrupt 98, for device(s): eth0-TxRx-7
isci-msix i99 derive     Interrupt 99, for device(s): isci-msix
isci-msix i100 derive     Interrupt 100, for device(s): isci-msix
ahci i101 derive     Interrupt 101, for device(s): ahci
eth1 i102 derive     Interrupt 102, for device(s): eth1
eth1-TxRx-0 i103 derive     Interrupt 103, for device(s): eth1-TxRx-0
eth1-TxRx-1 i104 derive     Interrupt 104, for device(s): eth1-TxRx-1
eth1-TxRx-2 i105 derive     Interrupt 105, for device(s): eth1-TxRx-2
eth1-TxRx-3 i106 derive     Interrupt 106, for device(s): eth1-TxRx-3
eth1-TxRx-4 i107 derive     Interrupt 107, for device(s): eth1-TxRx-4
eth1-TxRx-5 i108 derive     Interrupt 108, for device(s): eth1-TxRx-5
eth1-TxRx-6 i109 derive     Interrupt 109, for device(s): eth1-TxRx-6
eth1-TxRx-7 i110 derive     Interrupt 110, for device(s): eth1-TxRx-7
ioat-msix i111 derive     Interrupt 111, for device(s): ioat-msix
ioat-msix i112 derive     Interrupt 112, for device(s): ioat-msix
ioat-msix i113 derive     Interrupt 113, for device(s): ioat-msix
ioat-msix i114 derive     Interrupt 114, for device(s): ioat-msix
ioat-msix i115 derive     Interrupt 115, for device(s): ioat-msix
ioat-msix i116 derive     Interrupt 116, for device(s): ioat-msix
ioat-msix i117 derive     Interrupt 117, for device(s): ioat-msix
ioat-msix i118 derive     Interrupt 118, for device(s): ioat-msix
ioat-msix i119 derive     Interrupt 119, for device(s): ioat-msix
ioat-msix i120 derive     Interrupt 120, for device(s): ioat-msix
ioat-msix i121 derive     Interrupt 121, for device(s): ioat-msix
ioat-msix i122 derive     Interrupt 122, for device(s): ioat-msix
ioat-msix i123 derive     Interrupt 123, for device(s): ioat-msix
ioat-msix i124 derive     Interrupt 124, for device(s): ioat-msix
ioat-msix i125 derive     Interrupt 125, for device(s): ioat-msix
ioat-msix i126 derive     Interrupt 126, 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