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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
1-edge i8042 i1 derive     Interrupt 1, for device(s): 1-edge i8042
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
12-edge i8042 i12 derive     Interrupt 12, for device(s): 12-edge i8042
19-fasteoi wlp3s0 i19 derive     Interrupt 19, for device(s): 19-fasteoi wlp3s0
22-fasteoi i801_smbus i22 derive     Interrupt 22, for device(s): 22-fasteoi i801_smbus
23-fasteoi ehci_hcd:usb1 i23 derive     Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb1
0-edge dmar0 i40 derive     Interrupt 40, for device(s): 0-edge dmar0
1-edge dmar1 i41 derive     Interrupt 41, for device(s): 1-edge dmar1
458752-edge PCIe PME, pciehp i42 derive     Interrupt 42, for device(s): 458752-edge PCIe PME, pciehp
462848-edge PCIe PME i43 derive     Interrupt 43, for device(s): 462848-edge PCIe PME
464896-edge PCIe PME i44 derive     Interrupt 44, for device(s): 464896-edge PCIe PME
466944-edge PCIe PME i45 derive     Interrupt 45, for device(s): 466944-edge PCIe PME
1048576-edge enp2s0 i46 derive     Interrupt 46, for device(s): 1048576-edge enp2s0
512000-edge ahci[0000:00:1f.2] i47 derive     Interrupt 47, for device(s): 512000-edge ahci[0000:00:1f.2]
2097152-edge nvkm i48 derive     Interrupt 48, for device(s): 2097152-edge nvkm
32768-edge i915 i49 derive     Interrupt 49, for device(s): 32768-edge i915
360448-edge mei_me i50 derive     Interrupt 50, for device(s): 360448-edge mei_me
49152-edge snd_hda_intel:card0 i51 derive     Interrupt 51, for device(s): 49152-edge snd_hda_intel:card0
442368-edge snd_hda_intel:card1 i52 derive     Interrupt 52, for device(s): 442368-edge snd_hda_intel:card1
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