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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
floppy i6 derive     Interrupt 6, for device(s): floppy
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
virtio0 i10 derive     Interrupt 10, for device(s): virtio0
uhci_hcd:usb1 i11 derive     Interrupt 11, for device(s): uhci_hcd:usb1
i8042 i12 derive     Interrupt 12, for device(s): i8042
ata_piix i14 derive     Interrupt 14, for device(s): ata_piix
ata_piix i15 derive     Interrupt 15, for device(s): ata_piix
ahci i40 derive     Interrupt 40, for device(s): ahci
virtio2-config i41 derive     Interrupt 41, for device(s): virtio2-config
virtio2-input.0 i42 derive     Interrupt 42, for device(s): virtio2-input.0
virtio2-output.0 i43 derive     Interrupt 43, for device(s): virtio2-output.0
virtio3-config i44 derive     Interrupt 44, for device(s): virtio3-config
virtio3-input.0 i45 derive     Interrupt 45, for device(s): virtio3-input.0
virtio3-output.0 i46 derive     Interrupt 46, for device(s): virtio3-output.0
virtio1-config i47 derive     Interrupt 47, for device(s): virtio1-config
virtio1-virtqueues i48 derive     Interrupt 48, for device(s): virtio1-virtqueues
virtio4-config i49 derive     Interrupt 49, for device(s): virtio4-config
virtio4-control i50 derive     Interrupt 50, for device(s): virtio4-control
virtio4-event i51 derive     Interrupt 51, for device(s): virtio4-event
virtio4-request i52 derive     Interrupt 52, for device(s): virtio4-request
virtio4-request i53 derive     Interrupt 53, for device(s): virtio4-request
virtio4-request i54 derive     Interrupt 54, for device(s): virtio4-request
virtio4-request i55 derive     Interrupt 55, for device(s): virtio4-request
virtio4-request i56 derive     Interrupt 56, for device(s): virtio4-request
virtio4-request i57 derive     Interrupt 57, for device(s): virtio4-request
virtio4-request i58 derive     Interrupt 58, for device(s): virtio4-request
virtio4-request i59 derive     Interrupt 59, for device(s): virtio4-request
virtio4-request i60 derive     Interrupt 60, for device(s): virtio4-request
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