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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
Hypervisor callback interrupts iHYP derive     Interrupt HYP, for device(s): Hypervisor callback interrupts
Non-maskable interrupts iNMI derive     Interrupt NMI, for device(s): Non-maskable interrupts
Performance monitoring interrupts iPMI derive     Interrupt PMI, for device(s): Performance monitoring interrupts
Machine check polls iMCP derive     Interrupt MCP, for device(s): Machine check polls
Threshold APIC interrupts iTHR derive     Interrupt THR, for device(s): Threshold APIC interrupts
uhci_hcd:usb1 i11 derive     Interrupt 11, for device(s): uhci_hcd:usb1
virtio1-requests i44 derive     Interrupt 44, for device(s): virtio1-requests
Function call interrupts iCAL derive     Interrupt CAL, for device(s): Function call interrupts
Rescheduling interrupts iRES derive     Interrupt RES, for device(s): Rescheduling interrupts
TLB shootdowns iTLB derive     Interrupt TLB, for device(s): TLB shootdowns
i8042 i12 derive     Interrupt 12, for device(s): i8042
floppy i6 derive     Interrupt 6, for device(s): floppy
MIS iMIS derive      
Local timer interrupts iLOC derive     Interrupt LOC, for device(s): Local timer interrupts
virtio0-output.0 i42 derive     Interrupt 42, for device(s): virtio0-output.0
ERR iERR derive      
virtio1-config i43 derive     Interrupt 43, for device(s): virtio1-config
ata_piix i14 derive     Interrupt 14, for device(s): ata_piix
Thermal event interrupts iTRM derive     Interrupt TRM, for device(s): Thermal event interrupts
ata_piix i15 derive     Interrupt 15, for device(s): ata_piix
Machine check exceptions iMCE derive     Interrupt MCE, for device(s): Machine check exceptions
virtio2 i10 derive     Interrupt 10, for device(s): virtio2
APIC ICR read retries iRTR derive     Interrupt RTR, for device(s): APIC ICR read retries
IRQ work interrupts iIWI derive     Interrupt IWI, for device(s): IRQ work interrupts
virtio0-input.0 i41 derive     Interrupt 41, for device(s): virtio0-input.0
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
Spurious interrupts iSPU derive     Interrupt SPU, for device(s): Spurious interrupts
virtio0-config i40 derive     Interrupt 40, for device(s): virtio0-config
i8042 i1 derive     Interrupt 1, for device(s): i8042
acpi i9 derive     Interrupt 9, for device(s): acpi
timer i0 derive     Interrupt 0, for device(s): timer

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