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irqstats

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Individual interrupts

irqstats • system

Graph Information

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
Performance monitoring interrupts iPMI derive     Interrupt PMI, for device(s): Performance monitoring interrupts
parport0 i7 derive     Interrupt 7, for device(s): parport0
TLB shootdowns iTLB derive     Interrupt TLB, for device(s): TLB shootdowns
Non-maskable interrupts iNMI derive     Interrupt NMI, for device(s): Non-maskable interrupts
ERR iERR derive      
Machine check exceptions iMCE derive     Interrupt MCE, for device(s): Machine check exceptions
acpi i9 derive     Interrupt 9, for device(s): acpi
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
Thermal event interrupts iTRM derive     Interrupt TRM, for device(s): Thermal event interrupts
IRQ work interrupts iIWI derive     Interrupt IWI, for device(s): IRQ work interrupts
Spurious interrupts iSPU derive     Interrupt SPU, for device(s): Spurious interrupts
Function call interrupts iCAL derive     Interrupt CAL, for device(s): Function call interrupts
eth0 i11 derive     Interrupt 11, for device(s): eth0
APIC ICR read retries iRTR derive     Interrupt RTR, for device(s): APIC ICR read retries
i8042 i1 derive     Interrupt 1, for device(s): i8042
Local timer interrupts iLOC derive     Interrupt LOC, for device(s): Local timer interrupts
Rescheduling interrupts iRES derive     Interrupt RES, for device(s): Rescheduling interrupts
Hypervisor callback interrupts iHYP derive     Interrupt HYP, for device(s): Hypervisor callback interrupts
i8042 i12 derive     Interrupt 12, for device(s): i8042
timer i0 derive     Interrupt 0, for device(s): timer
ata_piix i14 derive     Interrupt 14, for device(s): ata_piix
MIS iMIS derive      
ata_piix i15 derive     Interrupt 15, for device(s): ata_piix
Threshold APIC interrupts iTHR derive     Interrupt THR, for device(s): Threshold APIC interrupts
Machine check polls iMCP derive     Interrupt MCP, for device(s): Machine check polls
floppy i6 derive     Interrupt 6, for device(s): floppy

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