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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
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
timer4 i28 derive     Interrupt 28, for device(s): timer4
resched4 i29 derive     Interrupt 29, for device(s): resched4
callfunc4 i30 derive     Interrupt 30, for device(s): callfunc4
debug4 i31 derive     Interrupt 31, for device(s): debug4
callfuncsingle4 i32 derive     Interrupt 32, for device(s): callfuncsingle4
irqwork4 i33 derive     Interrupt 33, for device(s): irqwork4
spinlock4 i34 derive     Interrupt 34, for device(s): spinlock4
timer5 i35 derive     Interrupt 35, for device(s): timer5
resched5 i36 derive     Interrupt 36, for device(s): resched5
callfunc5 i37 derive     Interrupt 37, for device(s): callfunc5
debug5 i38 derive     Interrupt 38, for device(s): debug5
callfuncsingle5 i39 derive     Interrupt 39, for device(s): callfuncsingle5
irqwork5 i40 derive     Interrupt 40, for device(s): irqwork5
spinlock5 i41 derive     Interrupt 41, for device(s): spinlock5
timer6 i42 derive     Interrupt 42, for device(s): timer6
resched6 i43 derive     Interrupt 43, for device(s): resched6
callfunc6 i44 derive     Interrupt 44, for device(s): callfunc6
debug6 i45 derive     Interrupt 45, for device(s): debug6
callfuncsingle6 i46 derive     Interrupt 46, for device(s): callfuncsingle6
irqwork6 i47 derive     Interrupt 47, for device(s): irqwork6
spinlock6 i48 derive     Interrupt 48, for device(s): spinlock6
timer7 i49 derive     Interrupt 49, for device(s): timer7
resched7 i50 derive     Interrupt 50, for device(s): resched7
callfunc7 i51 derive     Interrupt 51, for device(s): callfunc7
debug7 i52 derive     Interrupt 52, for device(s): debug7
callfuncsingle7 i53 derive     Interrupt 53, for device(s): callfuncsingle7
irqwork7 i54 derive     Interrupt 54, for device(s): irqwork7
spinlock7 i55 derive     Interrupt 55, for device(s): spinlock7
xenbus i56 derive     Interrupt 56, for device(s): xenbus
hvc_console i57 derive     Interrupt 57, for device(s): hvc_console
blkif i58 derive     Interrupt 58, for device(s): blkif
blkif i59 derive     Interrupt 59, for device(s): blkif
eth0-q0-tx i60 derive     Interrupt 60, for device(s): eth0-q0-tx
eth0-q0-rx i61 derive     Interrupt 61, for device(s): eth0-q0-rx
eth0-q1-tx i62 derive     Interrupt 62, for device(s): eth0-q1-tx
eth0-q1-rx i63 derive     Interrupt 63, for device(s): eth0-q1-rx
eth0-q2-tx i64 derive     Interrupt 64, for device(s): eth0-q2-tx
eth0-q2-rx i65 derive     Interrupt 65, for device(s): eth0-q2-rx
eth0-q3-tx i66 derive     Interrupt 66, for device(s): eth0-q3-tx
eth0-q3-rx i67 derive     Interrupt 67, for device(s): eth0-q3-rx
eth0-q4-tx i68 derive     Interrupt 68, for device(s): eth0-q4-tx
eth0-q4-rx i69 derive     Interrupt 69, for device(s): eth0-q4-rx
eth0-q5-tx i70 derive     Interrupt 70, for device(s): eth0-q5-tx
eth0-q5-rx i71 derive     Interrupt 71, for device(s): eth0-q5-rx
eth0-q6-tx i72 derive     Interrupt 72, for device(s): eth0-q6-tx
eth0-q6-rx i73 derive     Interrupt 73, for device(s): eth0-q6-rx
eth0-q7-tx i74 derive     Interrupt 74, for device(s): eth0-q7-tx
eth0-q7-rx i75 derive     Interrupt 75, for device(s): eth0-q7-rx
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
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