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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
timer i0 derive     Interrupt 0, for device(s): timer
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
ipmi_si i10 derive     Interrupt 10, for device(s): ipmi_si
ehci_hcd:usb2 i22 derive     Interrupt 22, for device(s): ehci_hcd:usb2
ehci_hcd:usb1 i23 derive     Interrupt 23, for device(s): ehci_hcd:usb1
dmar0 i56 derive     Interrupt 56, for device(s): dmar0
hpet2 i57 derive     Interrupt 57, for device(s): hpet2
hpet3 i58 derive     Interrupt 58, for device(s): hpet3
hpet4 i59 derive     Interrupt 59, for device(s): hpet4
hpet5 i60 derive     Interrupt 60, for device(s): hpet5
hpet6 i61 derive     Interrupt 61, for device(s): hpet6
ahci i68 derive     Interrupt 68, for device(s): ahci
em1-tx-0 i69 derive     Interrupt 69, for device(s): em1-tx-0
em1-rx-1 i70 derive     Interrupt 70, for device(s): em1-rx-1
em1-rx-2 i71 derive     Interrupt 71, for device(s): em1-rx-2
em1-rx-3 i72 derive     Interrupt 72, for device(s): em1-rx-3
em1-rx-4 i73 derive     Interrupt 73, for device(s): em1-rx-4
em2-tx-0 i74 derive     Interrupt 74, for device(s): em2-tx-0
em2-rx-1 i75 derive     Interrupt 75, for device(s): em2-rx-1
em2-rx-2 i76 derive     Interrupt 76, for device(s): em2-rx-2
em2-rx-3 i77 derive     Interrupt 77, for device(s): em2-rx-3
em2-rx-4 i78 derive     Interrupt 78, for device(s): em2-rx-4
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
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
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