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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
3 i3 derive      
serial i4 derive     Interrupt 4, for device(s): serial
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
ehci_hcd:usb1 i20 derive     Interrupt 20, for device(s): ehci_hcd:usb1
ehci_hcd:usb2 i23 derive     Interrupt 23, for device(s): ehci_hcd:usb2
PCIe PME i40 derive     Interrupt 40, for device(s): PCIe PME
PCIe PME i41 derive     Interrupt 41, for device(s): PCIe PME
eth2-TxRx-0 i42 derive     Interrupt 42, for device(s): eth2-TxRx-0
eth2-TxRx-1 i43 derive     Interrupt 43, for device(s): eth2-TxRx-1
eth2-TxRx-2 i44 derive     Interrupt 44, for device(s): eth2-TxRx-2
eth2-TxRx-3 i45 derive     Interrupt 45, for device(s): eth2-TxRx-3
eth2-TxRx-4 i46 derive     Interrupt 46, for device(s): eth2-TxRx-4
eth2-TxRx-5 i47 derive     Interrupt 47, for device(s): eth2-TxRx-5
eth2-TxRx-6 i48 derive     Interrupt 48, for device(s): eth2-TxRx-6
eth2-TxRx-7 i49 derive     Interrupt 49, for device(s): eth2-TxRx-7
eth2 i50 derive     Interrupt 50, for device(s): eth2
ahci i51 derive     Interrupt 51, for device(s): ahci
eth3-TxRx-0 i52 derive     Interrupt 52, for device(s): eth3-TxRx-0
eth3-TxRx-1 i53 derive     Interrupt 53, for device(s): eth3-TxRx-1
eth3-TxRx-2 i54 derive     Interrupt 54, for device(s): eth3-TxRx-2
eth3-TxRx-3 i55 derive     Interrupt 55, for device(s): eth3-TxRx-3
eth3-TxRx-4 i56 derive     Interrupt 56, for device(s): eth3-TxRx-4
eth3-TxRx-5 i57 derive     Interrupt 57, for device(s): eth3-TxRx-5
eth3-TxRx-6 i58 derive     Interrupt 58, for device(s): eth3-TxRx-6
eth3-TxRx-7 i59 derive     Interrupt 59, for device(s): eth3-TxRx-7
eth3 i60 derive     Interrupt 60, for device(s): eth3
eth0-0 i61 derive     Interrupt 61, for device(s): eth0-0
eth0-1 i62 derive     Interrupt 62, for device(s): eth0-1
eth0-2 i63 derive     Interrupt 63, for device(s): eth0-2
eth0-3 i64 derive     Interrupt 64, for device(s): eth0-3
eth0-4 i65 derive     Interrupt 65, for device(s): eth0-4
eth0-5 i66 derive     Interrupt 66, for device(s): eth0-5
eth0-6 i67 derive     Interrupt 67, for device(s): eth0-6
eth0-7 i68 derive     Interrupt 68, for device(s): eth0-7
eth1-0 i70 derive     Interrupt 70, for device(s): eth1-0
eth1-1 i71 derive     Interrupt 71, for device(s): eth1-1
eth1-2 i72 derive     Interrupt 72, for device(s): eth1-2
eth1-3 i73 derive     Interrupt 73, for device(s): eth1-3
eth1-4 i74 derive     Interrupt 74, for device(s): eth1-4
eth1-5 i75 derive     Interrupt 75, for device(s): eth1-5
eth1-6 i76 derive     Interrupt 76, for device(s): eth1-6
eth1-7 i77 derive     Interrupt 77, for device(s): eth1-7
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