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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
2-edge timer i0 derive     Interrupt 0, for device(s): 2-edge timer
8-edge rtc0 i8 derive     Interrupt 8, for device(s): 8-edge rtc0
9-fasteoi acpi i9 derive     Interrupt 9, for device(s): 9-fasteoi acpi
14-fasteoi INT345D:00 i14 derive     Interrupt 14, for device(s): 14-fasteoi INT345D:00
16-fasteoi i801_smbus i16 derive     Interrupt 16, for device(s): 16-fasteoi i801_smbus
0-edge dmar0 i120 derive     Interrupt 120, for device(s): 0-edge dmar0
16384-edge PCIe PME i313 derive     Interrupt 313, for device(s): 16384-edge PCIe PME
458752-edge PCIe PME i314 derive     Interrupt 314, for device(s): 458752-edge PCIe PME
524288-edge enp1s0f0 i315 derive     Interrupt 315, for device(s): 524288-edge enp1s0f0
524289-edge enp1s0f0-TxRx-0 i316 derive     Interrupt 316, for device(s): 524289-edge enp1s0f0-TxRx-0
524290-edge enp1s0f0-TxRx-1 i317 derive     Interrupt 317, for device(s): 524290-edge enp1s0f0-TxRx-1
524291-edge enp1s0f0-TxRx-2 i318 derive     Interrupt 318, for device(s): 524291-edge enp1s0f0-TxRx-2
524292-edge enp1s0f0-TxRx-3 i319 derive     Interrupt 319, for device(s): 524292-edge enp1s0f0-TxRx-3
524293-edge enp1s0f0-TxRx-4 i320 derive     Interrupt 320, for device(s): 524293-edge enp1s0f0-TxRx-4
524294-edge enp1s0f0-TxRx-5 i321 derive     Interrupt 321, for device(s): 524294-edge enp1s0f0-TxRx-5
524295-edge enp1s0f0-TxRx-6 i322 derive     Interrupt 322, for device(s): 524295-edge enp1s0f0-TxRx-6
524296-edge enp1s0f0-TxRx-7 i323 derive     Interrupt 323, for device(s): 524296-edge enp1s0f0-TxRx-7
327680-edge xhci_hcd i324 derive     Interrupt 324, for device(s): 327680-edge xhci_hcd
376832-edge ahci[0000:00:17.0] i325 derive     Interrupt 325, for device(s): 376832-edge ahci[0000:00:17.0]
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
Posted-interrupt wakeup event iPIW derive     Interrupt PIW, for device(s): Posted-interrupt wakeup event