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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
xhci_hcd:usb3 i19 derive     Interrupt 19, for device(s): xhci_hcd:usb3
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
mpt3sas0-msix8 i89 derive     Interrupt 89, for device(s): mpt3sas0-msix8
mpt3sas0-msix9 i90 derive     Interrupt 90, for device(s): mpt3sas0-msix9
mpt3sas0-msix10 i91 derive     Interrupt 91, for device(s): mpt3sas0-msix10
mpt3sas0-msix11 i92 derive     Interrupt 92, for device(s): mpt3sas0-msix11
mpt3sas0-msix12 i93 derive     Interrupt 93, for device(s): mpt3sas0-msix12
mpt3sas0-msix13 i94 derive     Interrupt 94, for device(s): mpt3sas0-msix13
mpt3sas0-msix14 i95 derive     Interrupt 95, for device(s): mpt3sas0-msix14
mpt3sas0-msix15 i96 derive     Interrupt 96, for device(s): mpt3sas0-msix15
mpt3sas0-msix16 i97 derive     Interrupt 97, for device(s): mpt3sas0-msix16
mpt3sas0-msix17 i98 derive     Interrupt 98, for device(s): mpt3sas0-msix17
mpt3sas0-msix18 i99 derive     Interrupt 99, for device(s): mpt3sas0-msix18
mpt3sas0-msix19 i100 derive     Interrupt 100, for device(s): mpt3sas0-msix19
mpt3sas1-msix0 i101 derive     Interrupt 101, for device(s): mpt3sas1-msix0
mpt3sas1-msix1 i102 derive     Interrupt 102, for device(s): mpt3sas1-msix1
mpt3sas1-msix2 i103 derive     Interrupt 103, for device(s): mpt3sas1-msix2
mpt3sas1-msix3 i104 derive     Interrupt 104, for device(s): mpt3sas1-msix3
mpt3sas1-msix4 i105 derive     Interrupt 105, for device(s): mpt3sas1-msix4
mpt3sas1-msix5 i106 derive     Interrupt 106, for device(s): mpt3sas1-msix5
mpt3sas1-msix6 i107 derive     Interrupt 107, for device(s): mpt3sas1-msix6
mpt3sas1-msix7 i108 derive     Interrupt 108, for device(s): mpt3sas1-msix7
mpt3sas1-msix8 i109 derive     Interrupt 109, for device(s): mpt3sas1-msix8
mpt3sas1-msix9 i110 derive     Interrupt 110, for device(s): mpt3sas1-msix9
mpt3sas1-msix10 i111 derive     Interrupt 111, for device(s): mpt3sas1-msix10
mpt3sas1-msix11 i112 derive     Interrupt 112, for device(s): mpt3sas1-msix11
mpt3sas1-msix12 i113 derive     Interrupt 113, for device(s): mpt3sas1-msix12
mpt3sas1-msix13 i114 derive     Interrupt 114, for device(s): mpt3sas1-msix13
mpt3sas1-msix14 i115 derive     Interrupt 115, for device(s): mpt3sas1-msix14
mpt3sas1-msix15 i116 derive     Interrupt 116, for device(s): mpt3sas1-msix15
mpt3sas1-msix16 i117 derive     Interrupt 117, for device(s): mpt3sas1-msix16
mpt3sas1-msix17 i118 derive     Interrupt 118, for device(s): mpt3sas1-msix17
mpt3sas1-msix18 i119 derive     Interrupt 119, for device(s): mpt3sas1-msix18
mpt3sas1-msix19 i120 derive     Interrupt 120, for device(s): mpt3sas1-msix19
ioat-msix i121 derive     Interrupt 121, for device(s): ioat-msix
ioat-msix i122 derive     Interrupt 122, for device(s): ioat-msix
ioat-msix i123 derive     Interrupt 123, for device(s): ioat-msix
ioat-msix i124 derive     Interrupt 124, for device(s): ioat-msix
ioat-msix i125 derive     Interrupt 125, for device(s): ioat-msix
ioat-msix i126 derive     Interrupt 126, for device(s): ioat-msix
ioat-msix i127 derive     Interrupt 127, for device(s): ioat-msix
ioat-msix i128 derive     Interrupt 128, for device(s): ioat-msix
ioat-msix i129 derive     Interrupt 129, for device(s): ioat-msix
ioat-msix i130 derive     Interrupt 130, for device(s): ioat-msix
ioat-msix i131 derive     Interrupt 131, for device(s): ioat-msix
ioat-msix i132 derive     Interrupt 132, for device(s): ioat-msix
ioat-msix i133 derive     Interrupt 133, for device(s): ioat-msix
ioat-msix i134 derive     Interrupt 134, for device(s): ioat-msix
ioat-msix i135 derive     Interrupt 135, for device(s): ioat-msix
ioat-msix i136 derive     Interrupt 136, for device(s): ioat-msix
eth0 i137 derive     Interrupt 137, for device(s): eth0
eth0-TxRx-0 i138 derive     Interrupt 138, for device(s): eth0-TxRx-0
eth0-TxRx-1 i139 derive     Interrupt 139, for device(s): eth0-TxRx-1
eth0-TxRx-2 i140 derive     Interrupt 140, for device(s): eth0-TxRx-2
eth0-TxRx-3 i141 derive     Interrupt 141, for device(s): eth0-TxRx-3
eth0-TxRx-4 i142 derive     Interrupt 142, for device(s): eth0-TxRx-4
eth0-TxRx-5 i143 derive     Interrupt 143, for device(s): eth0-TxRx-5
eth0-TxRx-6 i144 derive     Interrupt 144, for device(s): eth0-TxRx-6
eth0-TxRx-7 i145 derive     Interrupt 145, for device(s): eth0-TxRx-7
eth1 i146 derive     Interrupt 146, for device(s): eth1
eth1-TxRx-0 i147 derive     Interrupt 147, for device(s): eth1-TxRx-0
eth1-TxRx-1 i148 derive     Interrupt 148, for device(s): eth1-TxRx-1
eth1-TxRx-2 i149 derive     Interrupt 149, for device(s): eth1-TxRx-2
eth1-TxRx-3 i150 derive     Interrupt 150, for device(s): eth1-TxRx-3
eth1-TxRx-4 i151 derive     Interrupt 151, for device(s): eth1-TxRx-4
eth1-TxRx-5 i152 derive     Interrupt 152, for device(s): eth1-TxRx-5
eth1-TxRx-6 i153 derive     Interrupt 153, for device(s): eth1-TxRx-6
eth1-TxRx-7 i154 derive     Interrupt 154, for device(s): eth1-TxRx-7
mlx4-async@pci:0000:81:00.0 i173 derive     Interrupt 173, for device(s): mlx4-async@pci:0000:81:00.0
mlx4_0-0 i174 derive     Interrupt 174, for device(s): mlx4_0-0
mlx4_0-1 i175 derive     Interrupt 175, for device(s): mlx4_0-1
mlx4_0-2 i176 derive     Interrupt 176, for device(s): mlx4_0-2
mlx4_0-3 i177 derive     Interrupt 177, for device(s): mlx4_0-3
mlx4_0-4 i178 derive     Interrupt 178, for device(s): mlx4_0-4
mlx4_0-5 i179 derive     Interrupt 179, for device(s): mlx4_0-5
mlx4_0-6 i180 derive     Interrupt 180, for device(s): mlx4_0-6
mlx4_0-7 i181 derive     Interrupt 181, for device(s): mlx4_0-7
mlx4_0-8 i182 derive     Interrupt 182, for device(s): mlx4_0-8
mlx4_0-9 i183 derive     Interrupt 183, for device(s): mlx4_0-9
mlx4_0-10 i184 derive     Interrupt 184, for device(s): mlx4_0-10
mlx4_0-11 i185 derive     Interrupt 185, for device(s): mlx4_0-11
mlx4_0-12 i186 derive     Interrupt 186, for device(s): mlx4_0-12
mlx4_0-13 i187 derive     Interrupt 187, for device(s): mlx4_0-13
mlx4_0-14 i188 derive     Interrupt 188, for device(s): mlx4_0-14
mlx4_0-15 i189 derive     Interrupt 189, for device(s): mlx4_0-15
mlx4_0-16 i190 derive     Interrupt 190, for device(s): mlx4_0-16
mlx4_0-17 i191 derive     Interrupt 191, for device(s): mlx4_0-17
mlx4_0-18 i192 derive     Interrupt 192, for device(s): mlx4_0-18
mlx4_0-19 i193 derive     Interrupt 193, 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