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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:usb1 i16 derive     Interrupt 16, for device(s): ehci_hcd:usb1
ehci_hcd:usb2 i23 derive     Interrupt 23, for device(s): ehci_hcd:usb2
aerdrv, PCIe PME, pciehp i25 derive     Interrupt 25, for device(s): aerdrv, PCIe PME, pciehp
aerdrv, PCIe PME i26 derive     Interrupt 26, for device(s): aerdrv, PCIe PME
PCIe PME i27 derive     Interrupt 27, for device(s): PCIe PME
0000:00:1f.2 i28 derive     Interrupt 28, for device(s): 0000:00:1f.2
isci-msix i29 derive     Interrupt 29, for device(s): isci-msix
isci-msix i30 derive     Interrupt 30, for device(s): isci-msix
eth0 i31 derive     Interrupt 31, for device(s): eth0
eth0-TxRx-0 i32 derive     Interrupt 32, for device(s): eth0-TxRx-0
eth0-TxRx-1 i33 derive     Interrupt 33, for device(s): eth0-TxRx-1
eth0-TxRx-2 i34 derive     Interrupt 34, for device(s): eth0-TxRx-2
eth0-TxRx-3 i35 derive     Interrupt 35, for device(s): eth0-TxRx-3
eth0-TxRx-4 i36 derive     Interrupt 36, for device(s): eth0-TxRx-4
eth0-TxRx-5 i37 derive     Interrupt 37, for device(s): eth0-TxRx-5
eth0-TxRx-6 i38 derive     Interrupt 38, for device(s): eth0-TxRx-6
eth0-TxRx-7 i39 derive     Interrupt 39, for device(s): eth0-TxRx-7
eth1 i40 derive     Interrupt 40, for device(s): eth1
eth1-TxRx-0 i41 derive     Interrupt 41, for device(s): eth1-TxRx-0
eth1-TxRx-1 i42 derive     Interrupt 42, for device(s): eth1-TxRx-1
eth1-TxRx-2 i43 derive     Interrupt 43, for device(s): eth1-TxRx-2
eth1-TxRx-3 i44 derive     Interrupt 44, for device(s): eth1-TxRx-3
eth1-TxRx-4 i45 derive     Interrupt 45, for device(s): eth1-TxRx-4
eth1-TxRx-5 i46 derive     Interrupt 46, for device(s): eth1-TxRx-5
eth1-TxRx-6 i47 derive     Interrupt 47, for device(s): eth1-TxRx-6
eth1-TxRx-7 i48 derive     Interrupt 48, for device(s): eth1-TxRx-7
mlx4-async@pci:0000:01:00.0 i49 derive     Interrupt 49, for device(s): mlx4-async@pci:0000:01:00.0
mlx4_0-0 i50 derive     Interrupt 50, for device(s): mlx4_0-0
mlx4_0-1 i51 derive     Interrupt 51, for device(s): mlx4_0-1
mlx4_0-2 i52 derive     Interrupt 52, for device(s): mlx4_0-2
mlx4_0-3 i53 derive     Interrupt 53, for device(s): mlx4_0-3
mlx4_0-4 i54 derive     Interrupt 54, for device(s): mlx4_0-4
mlx4_0-5 i55 derive     Interrupt 55, for device(s): mlx4_0-5
mlx4_0-6 i56 derive     Interrupt 56, for device(s): mlx4_0-6
mlx4_0-7 i57 derive     Interrupt 57, for device(s): mlx4_0-7
mlx4_0-8 i58 derive     Interrupt 58, for device(s): mlx4_0-8
mlx4_0-9 i59 derive     Interrupt 59, for device(s): mlx4_0-9
mlx4_0-10 i60 derive     Interrupt 60, for device(s): mlx4_0-10
mlx4_0-11 i61 derive     Interrupt 61, for device(s): mlx4_0-11
mlx4_0-12 i62 derive     Interrupt 62, for device(s): mlx4_0-12
mlx4_0-13 i63 derive     Interrupt 63, for device(s): mlx4_0-13
mlx4_0-14 i64 derive     Interrupt 64, for device(s): mlx4_0-14
mlx4_0-15 i65 derive     Interrupt 65, for device(s): mlx4_0-15
ioat-msix i67 derive     Interrupt 67, for device(s): ioat-msix
ioat-msix i69 derive     Interrupt 69, for device(s): ioat-msix
ioat-msix i70 derive     Interrupt 70, for device(s): ioat-msix
ioat-msix i71 derive     Interrupt 71, for device(s): ioat-msix
dmar0 i72 derive     Interrupt 72, for device(s): dmar0
dmar1 i73 derive     Interrupt 73, for device(s): dmar1
ioat-msix i74 derive     Interrupt 74, for device(s): ioat-msix
ioat-msix i75 derive     Interrupt 75, for device(s): ioat-msix
ioat-msix i76 derive     Interrupt 76, for device(s): ioat-msix
ioat-msix i77 derive     Interrupt 77, for device(s): ioat-msix
ioat-msix i79 derive     Interrupt 79, for device(s): ioat-msix
ioat-msix i81 derive     Interrupt 81, for device(s): ioat-msix
ioat-msix i82 derive     Interrupt 82, for device(s): ioat-msix
ioat-msix i83 derive     Interrupt 83, for device(s): ioat-msix
ioat-msix i84 derive     Interrupt 84, for device(s): ioat-msix
ioat-msix i85 derive     Interrupt 85, for device(s): ioat-msix
ioat-msix i86 derive     Interrupt 86, for device(s): ioat-msix
ioat-msix i87 derive     Interrupt 87, 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
ERR iERR derive      
MIS iMIS derive