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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
i8042 i1 derive     Interrupt 1, for device(s): i8042
7 i7 derive      
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
i8042 i12 derive     Interrupt 12, for device(s): i8042
i801_smbus i16 derive     Interrupt 16, for device(s): i801_smbus
dmar0 i120 derive     Interrupt 120, for device(s): dmar0
dmar1 i121 derive     Interrupt 121, for device(s): dmar1
PCIe PME i122 derive     Interrupt 122, for device(s): PCIe PME
PCIe PME i123 derive     Interrupt 123, for device(s): PCIe PME
PCIe PME i124 derive     Interrupt 124, for device(s): PCIe PME
PCIe PME i125 derive     Interrupt 125, for device(s): PCIe PME
xhci_hcd i126 derive     Interrupt 126, for device(s): xhci_hcd
enp1s0f0 i127 derive     Interrupt 127, for device(s): enp1s0f0
enp1s0f0-rx-0 i128 derive     Interrupt 128, for device(s): enp1s0f0-rx-0
enp1s0f0-rx-1 i129 derive     Interrupt 129, for device(s): enp1s0f0-rx-1
enp1s0f0-rx-2 i130 derive     Interrupt 130, for device(s): enp1s0f0-rx-2
enp1s0f0-rx-3 i131 derive     Interrupt 131, for device(s): enp1s0f0-rx-3
enp1s0f0-tx-0 i132 derive     Interrupt 132, for device(s): enp1s0f0-tx-0
enp1s0f0-tx-1 i133 derive     Interrupt 133, for device(s): enp1s0f0-tx-1
enp1s0f0-tx-2 i134 derive     Interrupt 134, for device(s): enp1s0f0-tx-2
enp1s0f0-tx-3 i135 derive     Interrupt 135, for device(s): enp1s0f0-tx-3
0000:00:17.0 i136 derive     Interrupt 136, for device(s): 0000:00:17.0
enp1s0f1 i137 derive     Interrupt 137, for device(s): enp1s0f1
enp1s0f1-rx-0 i138 derive     Interrupt 138, for device(s): enp1s0f1-rx-0
enp1s0f1-rx-1 i139 derive     Interrupt 139, for device(s): enp1s0f1-rx-1
enp1s0f1-rx-2 i140 derive     Interrupt 140, for device(s): enp1s0f1-rx-2
enp1s0f1-rx-3 i141 derive     Interrupt 141, for device(s): enp1s0f1-rx-3
enp1s0f1-tx-0 i142 derive     Interrupt 142, for device(s): enp1s0f1-tx-0
enp1s0f1-tx-1 i143 derive     Interrupt 143, for device(s): enp1s0f1-tx-1
enp1s0f1-tx-2 i144 derive     Interrupt 144, for device(s): enp1s0f1-tx-2
enp1s0f1-tx-3 i145 derive     Interrupt 145, for device(s): enp1s0f1-tx-3
i915 i146 derive     Interrupt 146, for device(s): i915
mei_me i147 derive     Interrupt 147, for device(s): mei_me
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
Deferred Error APIC interrupts iDFR derive     Interrupt DFR, for device(s): Deferred Error 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      
Posted-interrupt notification event iPIN derive     Interrupt PIN, for device(s): Posted-interrupt notification event
Nested posted-interrupt event iNPI derive     Interrupt NPI, for device(s): Nested posted-interrupt event
Posted-interrupt wakeup event iPIW derive     Interrupt PIW, for device(s): Posted-interrupt wakeup event