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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 i24 derive     Interrupt 24, for device(s): 0-edge dmar0
1-edge dmar1 i25 derive     Interrupt 25, for device(s): 1-edge dmar1
16384-edge PCIe PME i26 derive     Interrupt 26, for device(s): 16384-edge PCIe PME
475136-edge PCIe PME i27 derive     Interrupt 27, for device(s): 475136-edge PCIe PME
485376-edge PCIe PME i28 derive     Interrupt 28, for device(s): 485376-edge PCIe PME
524288-edge enp1s0f0 i29 derive     Interrupt 29, for device(s): 524288-edge enp1s0f0
524289-edge enp1s0f0-TxRx-0 i30 derive     Interrupt 30, for device(s): 524289-edge enp1s0f0-TxRx-0
524290-edge enp1s0f0-TxRx-1 i31 derive     Interrupt 31, for device(s): 524290-edge enp1s0f0-TxRx-1
524291-edge enp1s0f0-TxRx-2 i32 derive     Interrupt 32, for device(s): 524291-edge enp1s0f0-TxRx-2
524292-edge enp1s0f0-TxRx-3 i33 derive     Interrupt 33, for device(s): 524292-edge enp1s0f0-TxRx-3
524293-edge enp1s0f0-TxRx-4 i34 derive     Interrupt 34, for device(s): 524293-edge enp1s0f0-TxRx-4
524294-edge enp1s0f0-TxRx-5 i35 derive     Interrupt 35, for device(s): 524294-edge enp1s0f0-TxRx-5
524295-edge enp1s0f0-TxRx-6 i36 derive     Interrupt 36, for device(s): 524295-edge enp1s0f0-TxRx-6
524296-edge enp1s0f0-TxRx-7 i37 derive     Interrupt 37, for device(s): 524296-edge enp1s0f0-TxRx-7
376832-edge ahci[0000:00:17.0] i38 derive     Interrupt 38, for device(s): 376832-edge ahci[0000:00:17.0]
327680-edge xhci_hcd i39 derive     Interrupt 39, for device(s): 327680-edge xhci_hcd
526336-edge enp1s0f1 i40 derive     Interrupt 40, for device(s): 526336-edge enp1s0f1
526337-edge enp1s0f1-TxRx-0 i41 derive     Interrupt 41, for device(s): 526337-edge enp1s0f1-TxRx-0
526338-edge enp1s0f1-TxRx-1 i42 derive     Interrupt 42, for device(s): 526338-edge enp1s0f1-TxRx-1
526339-edge enp1s0f1-TxRx-2 i43 derive     Interrupt 43, for device(s): 526339-edge enp1s0f1-TxRx-2
526340-edge enp1s0f1-TxRx-3 i44 derive     Interrupt 44, for device(s): 526340-edge enp1s0f1-TxRx-3
526341-edge enp1s0f1-TxRx-4 i45 derive     Interrupt 45, for device(s): 526341-edge enp1s0f1-TxRx-4
526342-edge enp1s0f1-TxRx-5 i46 derive     Interrupt 46, for device(s): 526342-edge enp1s0f1-TxRx-5
526343-edge enp1s0f1-TxRx-6 i47 derive     Interrupt 47, for device(s): 526343-edge enp1s0f1-TxRx-6
526344-edge enp1s0f1-TxRx-7 i48 derive     Interrupt 48, for device(s): 526344-edge enp1s0f1-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
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
Hypervisor callback interrupts iHYP derive     Interrupt HYP, for device(s): Hypervisor callback interrupts
Hyper-V reenlightenment interrupts iHRE derive     Interrupt HRE, for device(s): Hyper-V reenlightenment interrupts
Hyper-V stimer0 interrupts iHVS derive     Interrupt HVS, for device(s): Hyper-V stimer0 interrupts
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