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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      
4 i4 derive      
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
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
isci-msix i86 derive     Interrupt 86, for device(s): isci-msix
isci-msix i87 derive     Interrupt 87, for device(s): isci-msix
ahci i88 derive     Interrupt 88, for device(s): ahci
ioat-msix i139 derive     Interrupt 139, for device(s): ioat-msix
ioat-msix i140 derive     Interrupt 140, for device(s): ioat-msix
ioat-msix i141 derive     Interrupt 141, for device(s): ioat-msix
ioat-msix i142 derive     Interrupt 142, for device(s): ioat-msix
ioat-msix i143 derive     Interrupt 143, for device(s): ioat-msix
ioat-msix i144 derive     Interrupt 144, for device(s): ioat-msix
ioat-msix i145 derive     Interrupt 145, for device(s): ioat-msix
ioat-msix i146 derive     Interrupt 146, for device(s): ioat-msix
ioat-msix i147 derive     Interrupt 147, for device(s): ioat-msix
ioat-msix i148 derive     Interrupt 148, for device(s): ioat-msix
ioat-msix i149 derive     Interrupt 149, for device(s): ioat-msix
ioat-msix i150 derive     Interrupt 150, for device(s): ioat-msix
ioat-msix i151 derive     Interrupt 151, for device(s): ioat-msix
ioat-msix i152 derive     Interrupt 152, for device(s): ioat-msix
ioat-msix i153 derive     Interrupt 153, for device(s): ioat-msix
ioat-msix i154 derive     Interrupt 154, for device(s): ioat-msix
eth0 i155 derive     Interrupt 155, for device(s): eth0
eth0-TxRx-0 i156 derive     Interrupt 156, for device(s): eth0-TxRx-0
eth0-TxRx-1 i157 derive     Interrupt 157, for device(s): eth0-TxRx-1
eth0-TxRx-2 i158 derive     Interrupt 158, for device(s): eth0-TxRx-2
eth0-TxRx-3 i159 derive     Interrupt 159, for device(s): eth0-TxRx-3
eth0-TxRx-4 i160 derive     Interrupt 160, for device(s): eth0-TxRx-4
eth0-TxRx-5 i161 derive     Interrupt 161, for device(s): eth0-TxRx-5
eth0-TxRx-6 i162 derive     Interrupt 162, for device(s): eth0-TxRx-6
eth0-TxRx-7 i163 derive     Interrupt 163, for device(s): eth0-TxRx-7
eth1 i164 derive     Interrupt 164, for device(s): eth1
eth1-TxRx-0 i165 derive     Interrupt 165, for device(s): eth1-TxRx-0
eth1-TxRx-1 i166 derive     Interrupt 166, for device(s): eth1-TxRx-1
eth1-TxRx-2 i167 derive     Interrupt 167, for device(s): eth1-TxRx-2
eth1-TxRx-3 i168 derive     Interrupt 168, for device(s): eth1-TxRx-3
eth1-TxRx-4 i169 derive     Interrupt 169, for device(s): eth1-TxRx-4
eth1-TxRx-5 i170 derive     Interrupt 170, for device(s): eth1-TxRx-5
eth1-TxRx-6 i171 derive     Interrupt 171, for device(s): eth1-TxRx-6
eth1-TxRx-7 i172 derive     Interrupt 172, for device(s): eth1-TxRx-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