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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:usb3 i16 derive     Interrupt 16, for device(s): ehci_hcd:usb3
ehci_hcd:usb4 i23 derive     Interrupt 23, for device(s): ehci_hcd:usb4
dmar0 i40 derive     Interrupt 40, for device(s): dmar0
PCIe PME i41 derive     Interrupt 41, for device(s): PCIe PME
PCIe PME i42 derive     Interrupt 42, for device(s): PCIe PME
PCIe PME i43 derive     Interrupt 43, for device(s): PCIe PME
xhci_hcd i47 derive     Interrupt 47, for device(s): xhci_hcd
ahci i48 derive     Interrupt 48, for device(s): ahci
eth2-TxRx-0 i49 derive     Interrupt 49, for device(s): eth2-TxRx-0
eth2-TxRx-1 i50 derive     Interrupt 50, for device(s): eth2-TxRx-1
eth2-TxRx-2 i51 derive     Interrupt 51, for device(s): eth2-TxRx-2
eth2-TxRx-3 i52 derive     Interrupt 52, for device(s): eth2-TxRx-3
eth2-TxRx-4 i53 derive     Interrupt 53, for device(s): eth2-TxRx-4
eth2-TxRx-5 i54 derive     Interrupt 54, for device(s): eth2-TxRx-5
eth2-TxRx-6 i55 derive     Interrupt 55, for device(s): eth2-TxRx-6
eth2-TxRx-7 i56 derive     Interrupt 56, for device(s): eth2-TxRx-7
eth2 i57 derive     Interrupt 57, for device(s): eth2
eth3-TxRx-0 i58 derive     Interrupt 58, for device(s): eth3-TxRx-0
eth3-TxRx-1 i59 derive     Interrupt 59, for device(s): eth3-TxRx-1
eth3-TxRx-2 i60 derive     Interrupt 60, for device(s): eth3-TxRx-2
eth3-TxRx-3 i61 derive     Interrupt 61, for device(s): eth3-TxRx-3
eth3-TxRx-4 i62 derive     Interrupt 62, for device(s): eth3-TxRx-4
eth3-TxRx-5 i63 derive     Interrupt 63, for device(s): eth3-TxRx-5
eth3-TxRx-6 i64 derive     Interrupt 64, for device(s): eth3-TxRx-6
eth3-TxRx-7 i65 derive     Interrupt 65, for device(s): eth3-TxRx-7
eth3 i66 derive     Interrupt 66, for device(s): eth3
eth0-tx-0 i67 derive     Interrupt 67, for device(s): eth0-tx-0
eth0-rx-1 i68 derive     Interrupt 68, for device(s): eth0-rx-1
eth0-rx-2 i69 derive     Interrupt 69, for device(s): eth0-rx-2
eth0-rx-3 i70 derive     Interrupt 70, for device(s): eth0-rx-3
eth0-rx-4 i71 derive     Interrupt 71, for device(s): eth0-rx-4
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