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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 INT3450:00 i14 derive     Interrupt 14, for device(s): 14-fasteoi INT3450:00
16-fasteoi idma64.0, i2c_designware.0 i16 derive     Interrupt 16, for device(s): 16-fasteoi idma64.0, i2c_designware.0
21-fasteoi i801_smbus i21 derive     Interrupt 21, for device(s): 21-fasteoi i801_smbus
0-edge dmar0 i120 derive     Interrupt 120, for device(s): 0-edge dmar0
1-edge dmar1 i121 derive     Interrupt 121, for device(s): 1-edge dmar1
442368-edge aerdrv, pcie-dpc i122 derive     Interrupt 122, for device(s): 442368-edge aerdrv, pcie-dpc
458752-edge aerdrv, pcie-dpc i123 derive     Interrupt 123, for device(s): 458752-edge aerdrv, pcie-dpc
524288-edge nvme0q0 i124 derive     Interrupt 124, for device(s): 524288-edge nvme0q0
520192-edge eno1 i125 derive     Interrupt 125, for device(s): 520192-edge eno1
524289-edge nvme0q1 i126 derive     Interrupt 126, for device(s): 524289-edge nvme0q1
524290-edge nvme0q2 i127 derive     Interrupt 127, for device(s): 524290-edge nvme0q2
524291-edge nvme0q3 i128 derive     Interrupt 128, for device(s): 524291-edge nvme0q3
524292-edge nvme0q4 i129 derive     Interrupt 129, for device(s): 524292-edge nvme0q4
524293-edge nvme0q5 i130 derive     Interrupt 130, for device(s): 524293-edge nvme0q5
524294-edge nvme0q6 i131 derive     Interrupt 131, for device(s): 524294-edge nvme0q6
524295-edge nvme0q7 i132 derive     Interrupt 132, for device(s): 524295-edge nvme0q7
524296-edge nvme0q8 i133 derive     Interrupt 133, for device(s): 524296-edge nvme0q8
376832-edge ahci[0000:00:17.0] i134 derive     Interrupt 134, for device(s): 376832-edge ahci[0000:00:17.0]
327680-edge xhci_hcd i135 derive     Interrupt 135, for device(s): 327680-edge xhci_hcd
32768-edge i915 i136 derive     Interrupt 136, for device(s): 32768-edge i915
360448-edge mei_me i137 derive     Interrupt 137, for device(s): 360448-edge mei_me
514048-edge snd_hda_intel:card0 i138 derive     Interrupt 138, for device(s): 514048-edge snd_hda_intel:card0
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