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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
1-edge i8042 i1 derive     Interrupt 1, for device(s): 1-edge i8042
3-fasteoi mmc0 i3 derive     Interrupt 3, for device(s): 3-fasteoi mmc0
8-fasteoi rtc0 i8 derive     Interrupt 8, for device(s): 8-fasteoi rtc0
9-fasteoi acpi i9 derive     Interrupt 9, for device(s): 9-fasteoi acpi
12-edge i8042 i12 derive     Interrupt 12, for device(s): 12-edge i8042
14 i14 derive     Interrupt 14, for device(s): 14-fasteoi INT3452:00, INT3452:01, INT3452:02, INT3452:03
39-fasteoi mmc1 i39 derive     Interrupt 39, for device(s): 39-fasteoi mmc1
311296-edge PCIe PME i120 derive     Interrupt 120, for device(s): 311296-edge PCIe PME
313344-edge PCIe PME i121 derive     Interrupt 121, for device(s): 313344-edge PCIe PME
315392-edge PCIe PME i122 derive     Interrupt 122, for device(s): 315392-edge PCIe PME
317440-edge PCIe PME i123 derive     Interrupt 123, for device(s): 317440-edge PCIe PME
0000:00:1b.0 cd [26] i124 derive     Interrupt 124, for device(s): 0000:00:1b.0 cd [26]
524288-edge enp1s0 i125 derive     Interrupt 125, for device(s): 524288-edge enp1s0
294912-edge ahci[0000:00:12.0] i126 derive     Interrupt 126, for device(s): 294912-edge ahci[0000:00:12.0]
344064-edge xhci_hcd i127 derive     Interrupt 127, for device(s): 344064-edge xhci_hcd
32768-edge i915 i128 derive     Interrupt 128, for device(s): 32768-edge i915
245760-edge mei_me i129 derive     Interrupt 129, for device(s): 245760-edge mei_me
229376-edge snd_hda_intel:card0 i130 derive     Interrupt 130, for device(s): 229376-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