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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
i801_smbus i18 derive     Interrupt 18, for device(s): i801_smbus
ehci_hcd:usb2 i20 derive     Interrupt 20, for device(s): ehci_hcd:usb2
ehci_hcd:usb1 i22 derive     Interrupt 22, for device(s): ehci_hcd:usb1
PCIe PME i25 derive     Interrupt 25, for device(s): PCIe PME
PCIe PME i26 derive     Interrupt 26, for device(s): PCIe PME
PCIe PME i27 derive     Interrupt 27, for device(s): PCIe PME
PCIe PME i28 derive     Interrupt 28, for device(s): PCIe PME
PCIe PME i29 derive     Interrupt 29, for device(s): PCIe PME
PCIe PME i30 derive     Interrupt 30, for device(s): PCIe PME
PCIe PME i32 derive     Interrupt 32, for device(s): PCIe PME
PCIe PME i33 derive     Interrupt 33, for device(s): PCIe PME
0000:00:1f.2 i35 derive     Interrupt 35, for device(s): 0000:00:1f.2
eth0 i36 derive     Interrupt 36, for device(s): eth0
eth0-TxRx-0 i37 derive     Interrupt 37, for device(s): eth0-TxRx-0
eth0-TxRx-1 i38 derive     Interrupt 38, for device(s): eth0-TxRx-1
eth0-TxRx-2 i39 derive     Interrupt 39, for device(s): eth0-TxRx-2
eth0-TxRx-3 i40 derive     Interrupt 40, for device(s): eth0-TxRx-3
eth0-TxRx-4 i41 derive     Interrupt 41, for device(s): eth0-TxRx-4
eth0-TxRx-5 i42 derive     Interrupt 42, for device(s): eth0-TxRx-5
eth0-TxRx-6 i43 derive     Interrupt 43, for device(s): eth0-TxRx-6
eth0-TxRx-7 i44 derive     Interrupt 44, for device(s): eth0-TxRx-7
isci-msix i45 derive     Interrupt 45, for device(s): isci-msix
isci-msix i46 derive     Interrupt 46, for device(s): isci-msix
eth1 i47 derive     Interrupt 47, for device(s): eth1
eth1-TxRx-0 i48 derive     Interrupt 48, for device(s): eth1-TxRx-0
eth1-TxRx-1 i49 derive     Interrupt 49, for device(s): eth1-TxRx-1
eth1-TxRx-2 i50 derive     Interrupt 50, for device(s): eth1-TxRx-2
eth1-TxRx-3 i51 derive     Interrupt 51, for device(s): eth1-TxRx-3
eth1-TxRx-4 i52 derive     Interrupt 52, for device(s): eth1-TxRx-4
eth1-TxRx-5 i53 derive     Interrupt 53, for device(s): eth1-TxRx-5
eth1-TxRx-6 i54 derive     Interrupt 54, for device(s): eth1-TxRx-6
eth1-TxRx-7 i55 derive     Interrupt 55, for device(s): eth1-TxRx-7
mlx4-async@pci:0000:01:00.0 i56 derive     Interrupt 56, for device(s): mlx4-async@pci:0000:01:00.0
mlx4_0-0 i57 derive     Interrupt 57, for device(s): mlx4_0-0
mlx4_0-1 i58 derive     Interrupt 58, for device(s): mlx4_0-1
mlx4_0-2 i59 derive     Interrupt 59, for device(s): mlx4_0-2
mlx4_0-3 i60 derive     Interrupt 60, for device(s): mlx4_0-3
mlx4_0-4 i61 derive     Interrupt 61, for device(s): mlx4_0-4
mlx4_0-5 i62 derive     Interrupt 62, for device(s): mlx4_0-5
mlx4_0-6 i63 derive     Interrupt 63, for device(s): mlx4_0-6
mlx4_0-7 i64 derive     Interrupt 64, for device(s): mlx4_0-7
mlx4_0-8 i65 derive     Interrupt 65, for device(s): mlx4_0-8
mlx4_0-9 i66 derive     Interrupt 66, for device(s): mlx4_0-9
mlx4_0-10 i67 derive     Interrupt 67, for device(s): mlx4_0-10
mlx4_0-11 i68 derive     Interrupt 68, for device(s): mlx4_0-11
mlx4_0-12 i69 derive     Interrupt 69, for device(s): mlx4_0-12
mlx4_0-13 i70 derive     Interrupt 70, for device(s): mlx4_0-13
mlx4_0-14 i71 derive     Interrupt 71, for device(s): mlx4_0-14
mlx4_0-15 i72 derive     Interrupt 72, for device(s): mlx4_0-15
mlx4_0-16 i73 derive     Interrupt 73, for device(s): mlx4_0-16
mlx4_0-17 i74 derive     Interrupt 74, for device(s): mlx4_0-17
mlx4_0-18 i75 derive     Interrupt 75, for device(s): mlx4_0-18
mlx4_0-19 i76 derive     Interrupt 76, for device(s): mlx4_0-19
ioat-msix i78 derive     Interrupt 78, for device(s): ioat-msix
ioat-msix i80 derive     Interrupt 80, 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 i88 derive     Interrupt 88, for device(s): ioat-msix
ioat-msix i90 derive     Interrupt 90, for device(s): ioat-msix
ioat-msix i91 derive     Interrupt 91, for device(s): ioat-msix
ioat-msix i92 derive     Interrupt 92, for device(s): ioat-msix
ioat-msix i93 derive     Interrupt 93, for device(s): ioat-msix
ioat-msix i94 derive     Interrupt 94, for device(s): ioat-msix
ioat-msix i95 derive     Interrupt 95, for device(s): ioat-msix
ioat-msix i96 derive     Interrupt 96, 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