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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
serial i3 derive     Interrupt 3, 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, ehci_hcd:usb2 i18 derive     Interrupt 18, for device(s): ehci_hcd:usb1, ehci_hcd:usb2
19 i19 derive      
dmar0 i72 derive     Interrupt 72, for device(s): dmar0
dmar1 i73 derive     Interrupt 73, for device(s): dmar1
hpet2 i74 derive     Interrupt 74, for device(s): hpet2
hpet3 i75 derive     Interrupt 75, for device(s): hpet3
hpet4 i76 derive     Interrupt 76, for device(s): hpet4
hpet5 i77 derive     Interrupt 77, for device(s): hpet5
hpet6 i78 derive     Interrupt 78, for device(s): hpet6
ahci i79 derive     Interrupt 79, for device(s): ahci
ahci i80 derive     Interrupt 80, for device(s): ahci
mpt3sas0-msix0 i81 derive     Interrupt 81, for device(s): mpt3sas0-msix0
mpt3sas0-msix1 i82 derive     Interrupt 82, for device(s): mpt3sas0-msix1
mpt3sas0-msix2 i83 derive     Interrupt 83, for device(s): mpt3sas0-msix2
mpt3sas0-msix3 i84 derive     Interrupt 84, for device(s): mpt3sas0-msix3
mpt3sas0-msix4 i85 derive     Interrupt 85, for device(s): mpt3sas0-msix4
mpt3sas0-msix5 i86 derive     Interrupt 86, for device(s): mpt3sas0-msix5
mpt3sas0-msix6 i87 derive     Interrupt 87, for device(s): mpt3sas0-msix6
mpt3sas0-msix7 i88 derive     Interrupt 88, for device(s): mpt3sas0-msix7
mlx4-async@pci:0000:02:00.0 i89 derive     Interrupt 89, for device(s): mlx4-async@pci:0000:02:00.0
mlx4_0-0 i90 derive     Interrupt 90, for device(s): mlx4_0-0
mlx4_0-1 i91 derive     Interrupt 91, for device(s): mlx4_0-1
mlx4_0-2 i92 derive     Interrupt 92, for device(s): mlx4_0-2
mlx4_0-3 i93 derive     Interrupt 93, for device(s): mlx4_0-3
mlx4_0-4 i94 derive     Interrupt 94, for device(s): mlx4_0-4
mlx4_0-5 i95 derive     Interrupt 95, for device(s): mlx4_0-5
mlx4_0-6 i96 derive     Interrupt 96, for device(s): mlx4_0-6
mlx4_0-7 i97 derive     Interrupt 97, for device(s): mlx4_0-7
mlx4_0-8 i98 derive     Interrupt 98, for device(s): mlx4_0-8
mlx4_0-9 i99 derive     Interrupt 99, for device(s): mlx4_0-9
mlx4_0-10 i100 derive     Interrupt 100, for device(s): mlx4_0-10
mlx4_0-11 i101 derive     Interrupt 101, for device(s): mlx4_0-11
eth0 i102 derive     Interrupt 102, for device(s): eth0
eth0-TxRx-0 i103 derive     Interrupt 103, for device(s): eth0-TxRx-0
eth0-TxRx-1 i104 derive     Interrupt 104, for device(s): eth0-TxRx-1
eth0-TxRx-2 i105 derive     Interrupt 105, for device(s): eth0-TxRx-2
eth0-TxRx-3 i106 derive     Interrupt 106, for device(s): eth0-TxRx-3
eth0-TxRx-4 i107 derive     Interrupt 107, for device(s): eth0-TxRx-4
eth0-TxRx-5 i108 derive     Interrupt 108, for device(s): eth0-TxRx-5
eth0-TxRx-6 i109 derive     Interrupt 109, for device(s): eth0-TxRx-6
eth0-TxRx-7 i110 derive     Interrupt 110, for device(s): eth0-TxRx-7
mlx4_0-12 i120 derive     Interrupt 120, for device(s): mlx4_0-12
mlx4_0-13 i121 derive     Interrupt 121, for device(s): mlx4_0-13
mlx4_0-14 i122 derive     Interrupt 122, for device(s): mlx4_0-14
mlx4_0-15 i123 derive     Interrupt 123, for device(s): mlx4_0-15
mlx4_0-16 i124 derive     Interrupt 124, for device(s): mlx4_0-16
mlx4_0-17 i125 derive     Interrupt 125, for device(s): mlx4_0-17
mlx4_0-18 i126 derive     Interrupt 126, for device(s): mlx4_0-18
mlx4_0-19 i127 derive     Interrupt 127, for device(s): mlx4_0-19
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