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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	Warning	Critical	Info
eth0	i246	derive			Interrupt 246, for device(s): eth0
blkif	i247	derive			Interrupt 247, for device(s): blkif
blkif	i248	derive			Interrupt 248, for device(s): blkif
hvc_console	i249	derive			Interrupt 249, for device(s): hvc_console
xenbus	i250	derive			Interrupt 250, for device(s): xenbus
callfuncsingle0	i251	derive			Interrupt 251, for device(s): callfuncsingle0
debug0	i252	derive			Interrupt 252, for device(s): debug0
callfunc0	i253	derive			Interrupt 253, for device(s): callfunc0
resched0	i254	derive			Interrupt 254, for device(s): resched0
timer0	i255	derive			Interrupt 255, for device(s): timer0
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