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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 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
hvc_console i21 derive     Interrupt 21, for device(s): hvc_console
blkif i22 derive     Interrupt 22, for device(s): blkif
blkif i23 derive     Interrupt 23, for device(s): blkif
blkif i24 derive     Interrupt 24, for device(s): blkif
blkif i25 derive     Interrupt 25, for device(s): blkif
blkif i26 derive     Interrupt 26, for device(s): blkif
blkif i27 derive     Interrupt 27, for device(s): blkif
eth0-q0-tx i28 derive     Interrupt 28, for device(s): eth0-q0-tx
eth0-q0-rx i29 derive     Interrupt 29, for device(s): eth0-q0-rx
eth0-q1-tx i30 derive     Interrupt 30, for device(s): eth0-q1-tx
eth0-q1-rx i31 derive     Interrupt 31, for device(s): eth0-q1-rx
eth0-q2-tx i32 derive     Interrupt 32, for device(s): eth0-q2-tx
eth0-q2-rx i33 derive     Interrupt 33, for device(s): eth0-q2-rx
xenbus i112 derive     Interrupt 112, for device(s): xenbus
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