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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
timer0 i16 derive     Interrupt 16, for device(s): timer0
resched0 i17 derive     Interrupt 17, for device(s): resched0
callfunc0 i18 derive     Interrupt 18, for device(s): callfunc0
debug0 i19 derive     Interrupt 19, for device(s): debug0
callfuncsingle0 i20 derive     Interrupt 20, for device(s): callfuncsingle0
irqwork0 i21 derive     Interrupt 21, for device(s): irqwork0
xenbus i22 derive     Interrupt 22, for device(s): xenbus
hvc_console i23 derive     Interrupt 23, for device(s): hvc_console
vif0-q0-tx i24 derive     Interrupt 24, for device(s): vif0-q0-tx
vif0-q0-rx i25 derive     Interrupt 25, for device(s): vif0-q0-rx
vif1-q0-tx i26 derive     Interrupt 26, for device(s): vif1-q0-tx
vif1-q0-rx i27 derive     Interrupt 27, for device(s): vif1-q0-rx
blkif i28 derive     Interrupt 28, for device(s): blkif
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
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
ERR iERR derive      
MIS iMIS derive