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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
parport0 i7 derive     Interrupt 7, for device(s): parport0
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
ata_piix i14 derive     Interrupt 14, for device(s): ata_piix
ata_piix i15 derive     Interrupt 15, for device(s): ata_piix
vmwgfx i16 derive     Interrupt 16, for device(s): vmwgfx
ioc0 i17 derive     Interrupt 17, for device(s): ioc0
PCIe PME, pciehp i40 derive     Interrupt 40, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i41 derive     Interrupt 41, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i42 derive     Interrupt 42, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i43 derive     Interrupt 43, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i44 derive     Interrupt 44, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i45 derive     Interrupt 45, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i46 derive     Interrupt 46, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i47 derive     Interrupt 47, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i48 derive     Interrupt 48, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i49 derive     Interrupt 49, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i50 derive     Interrupt 50, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i51 derive     Interrupt 51, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i52 derive     Interrupt 52, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i53 derive     Interrupt 53, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i54 derive     Interrupt 54, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i55 derive     Interrupt 55, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i56 derive     Interrupt 56, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i57 derive     Interrupt 57, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i58 derive     Interrupt 58, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i59 derive     Interrupt 59, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i60 derive     Interrupt 60, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i61 derive     Interrupt 61, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i62 derive     Interrupt 62, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i63 derive     Interrupt 63, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i64 derive     Interrupt 64, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i65 derive     Interrupt 65, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i66 derive     Interrupt 66, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i67 derive     Interrupt 67, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i68 derive     Interrupt 68, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i69 derive     Interrupt 69, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i70 derive     Interrupt 70, for device(s): PCIe PME, pciehp
PCIe PME, pciehp i71 derive     Interrupt 71, for device(s): PCIe PME, pciehp
eth0-rxtx-0 i72 derive     Interrupt 72, for device(s): eth0-rxtx-0
eth0-rxtx-1 i73 derive     Interrupt 73, for device(s): eth0-rxtx-1
eth0-event-2 i74 derive     Interrupt 74, for device(s): eth0-event-2
vmw_vmci i75 derive     Interrupt 75, for device(s): vmw_vmci
vmw_vmci i76 derive     Interrupt 76, for device(s): vmw_vmci
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
ERR iERR derive      
MIS iMIS derive