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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
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
11-edge ite-cir i11 derive     Interrupt 11, for device(s): 11-edge ite-cir
12-edge i8042 i12 derive     Interrupt 12, for device(s): 12-edge i8042
14-fasteoi INT3453:00, INT3453:01, INT3453:03 i14 derive     Interrupt 14, for device(s): 14-fasteoi INT3453:00, INT3453:01, INT3453:03
15-fasteoi INT3453:02 i15 derive     Interrupt 15, for device(s): 15-fasteoi INT3453:02
20-fasteoi i801_smbus i20 derive     Interrupt 20, for device(s): 20-fasteoi i801_smbus
39-fasteoi mmc0 i39 derive     Interrupt 39, for device(s): 39-fasteoi mmc0
1024-edge dmar0-prq i120 derive     Interrupt 120, for device(s): 1024-edge dmar0-prq
0-edge dmar0 i121 derive     Interrupt 121, for device(s): 0-edge dmar0
1-edge dmar1 i122 derive     Interrupt 122, for device(s): 1-edge dmar1
0-edge PCIe PME, PCIe bwctrl i123 derive     Interrupt 123, for device(s): 0-edge PCIe PME, PCIe bwctrl
0-edge PCIe PME, PCIe bwctrl i124 derive     Interrupt 124, for device(s): 0-edge PCIe PME, PCIe bwctrl
0-edge xhci_hcd i125 derive     Interrupt 125, for device(s): 0-edge xhci_hcd
0-edge ahci[0000:00:12.0] i128 derive     Interrupt 128, for device(s): 0-edge ahci[0000:00:12.0]
0-edge rtsx_pci i129 derive     Interrupt 129, for device(s): 0-edge rtsx_pci
0-edge eno1 i130 derive     Interrupt 130, for device(s): 0-edge eno1
0-edge iwlwifi i131 derive     Interrupt 131, for device(s): 0-edge iwlwifi
0-edge mei_me i132 derive     Interrupt 132, for device(s): 0-edge mei_me
0-edge i915 i133 derive     Interrupt 133, for device(s): 0-edge i915
0-edge snd_hda_intel:card0 i134 derive     Interrupt 134, for device(s): 0-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