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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
5-edge parport0 i5 derive     Interrupt 5, for device(s): 5-edge parport0
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
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
311296-edge PCIe PME i122 derive     Interrupt 122, for device(s): 311296-edge PCIe PME
313344-edge PCIe PME i123 derive     Interrupt 123, for device(s): 313344-edge PCIe PME
315392-edge PCIe PME i124 derive     Interrupt 124, for device(s): 315392-edge PCIe PME
317440-edge PCIe PME i125 derive     Interrupt 125, for device(s): 317440-edge PCIe PME
344064-edge xhci_hcd i126 derive     Interrupt 126, for device(s): 344064-edge xhci_hcd
294912-edge 0000:00:12.0 i372 derive     Interrupt 372, for device(s): 294912-edge 0000:00:12.0
524288-edge 0000:01:00.0 i373 derive     Interrupt 373, for device(s): 524288-edge 0000:01:00.0
1572864-edge eth0 i374 derive     Interrupt 374, for device(s): 1572864-edge eth0
2097152-edge eth1 i375 derive     Interrupt 375, for device(s): 2097152-edge eth1
32768-edge i915_bpo i376 derive     Interrupt 376, for device(s): 32768-edge i915_bpo
245760-edge mei_me i377 derive     Interrupt 377, for device(s): 245760-edge mei_me
229376-edge snd_hda_intel i378 derive     Interrupt 378, for device(s): 229376-edge snd_hda_intel
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