Service: Individual interrupts

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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
3-edge nuvoton-cir i3 derive     Interrupt 3, for device(s): 3-edge nuvoton-cir
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
18-fasteoi i801_smbus i18 derive     Interrupt 18, for device(s): 18-fasteoi i801_smbus
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
409600-edge eth0 i42 derive     Interrupt 42, for device(s): 409600-edge eth0
327680-edge xhci_hcd i43 derive     Interrupt 43, for device(s): 327680-edge xhci_hcd
512000-edge ahci[0000:00:1f.2] i44 derive     Interrupt 44, for device(s): 512000-edge ahci[0000:00:1f.2]
360448-edge mei_me i45 derive     Interrupt 45, for device(s): 360448-edge mei_me
442368-edge snd_hda_intel:card1 i46 derive     Interrupt 46, for device(s): 442368-edge snd_hda_intel:card1
32768-edge i915 i47 derive     Interrupt 47, for device(s): 32768-edge i915
49152-edge snd_hda_intel:card0 i48 derive     Interrupt 48, for device(s): 49152-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
Hypervisor callback interrupts iHYP derive     Interrupt HYP, for device(s): Hypervisor callback interrupts
Hyper-V reenlightenment interrupts iHRE derive     Interrupt HRE, for device(s): Hyper-V reenlightenment interrupts
Hyper-V stimer0 interrupts iHVS derive     Interrupt HVS, for device(s): Hyper-V stimer0 interrupts
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