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• Warning (7)
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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	Warn	Crit	Info
timer0	i0	derive			Interrupt 0, for device(s): timer0
spinlock0	i1	derive			Interrupt 1, for device(s): spinlock0
resched0	i2	derive			Interrupt 2, for device(s): resched0
callfunc0	i3	derive			Interrupt 3, for device(s): callfunc0
debug0	i4	derive			Interrupt 4, for device(s): debug0
callfuncsingle0	i5	derive			Interrupt 5, for device(s): callfuncsingle0
irqwork0	i6	derive			Interrupt 6, for device(s): irqwork0
timer1	i7	derive			Interrupt 7, for device(s): timer1
resched1	i8	derive			Interrupt 8, for device(s): resched1
callfunc1	i9	derive			Interrupt 9, for device(s): callfunc1
debug1	i10	derive			Interrupt 10, for device(s): debug1
callfuncsingle1	i11	derive			Interrupt 11, for device(s): callfuncsingle1
irqwork1	i12	derive			Interrupt 12, for device(s): irqwork1
spinlock1	i13	derive			Interrupt 13, for device(s): spinlock1
timer2	i14	derive			Interrupt 14, for device(s): timer2
resched2	i15	derive			Interrupt 15, for device(s): resched2
callfunc2	i16	derive			Interrupt 16, for device(s): callfunc2
debug2	i17	derive			Interrupt 17, for device(s): debug2
callfuncsingle2	i18	derive			Interrupt 18, for device(s): callfuncsingle2
irqwork2	i19	derive			Interrupt 19, for device(s): irqwork2
spinlock2	i20	derive			Interrupt 20, for device(s): spinlock2
timer3	i21	derive			Interrupt 21, for device(s): timer3
resched3	i22	derive			Interrupt 22, for device(s): resched3
callfunc3	i23	derive			Interrupt 23, for device(s): callfunc3
debug3	i24	derive			Interrupt 24, for device(s): debug3
callfuncsingle3	i25	derive			Interrupt 25, for device(s): callfuncsingle3
irqwork3	i26	derive			Interrupt 26, for device(s): irqwork3
spinlock3	i27	derive			Interrupt 27, for device(s): spinlock3
xenbus	i28	derive			Interrupt 28, for device(s): xenbus
hvc_console	i29	derive			Interrupt 29, for device(s): hvc_console
blkif	i30	derive			Interrupt 30, for device(s): blkif
blkif	i31	derive			Interrupt 31, for device(s): blkif
blkif	i32	derive			Interrupt 32, for device(s): blkif
eth0-q0-tx	i33	derive			Interrupt 33, for device(s): eth0-q0-tx
eth0-q0-rx	i34	derive			Interrupt 34, for device(s): eth0-q0-rx
blkif	i35	derive			Interrupt 35, 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
Deferred Error APIC interrupts	iDFR	derive			Interrupt DFR, for device(s): Deferred Error 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
Posted-interrupt notification event	iPIN	derive			Interrupt PIN, for device(s): Posted-interrupt notification event
Posted-interrupt wakeup event	iPIW	derive			Interrupt PIW, for device(s): Posted-interrupt wakeup event