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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
timer1 i21 derive     Interrupt 21, for device(s): timer1
resched1 i22 derive     Interrupt 22, for device(s): resched1
callfunc1 i23 derive     Interrupt 23, for device(s): callfunc1
debug1 i24 derive     Interrupt 24, for device(s): debug1
callfuncsingle1 i25 derive     Interrupt 25, for device(s): callfuncsingle1
timer2 i26 derive     Interrupt 26, for device(s): timer2
resched2 i27 derive     Interrupt 27, for device(s): resched2
callfunc2 i28 derive     Interrupt 28, for device(s): callfunc2
debug2 i29 derive     Interrupt 29, for device(s): debug2
callfuncsingle2 i30 derive     Interrupt 30, for device(s): callfuncsingle2
timer3 i31 derive     Interrupt 31, for device(s): timer3
resched3 i32 derive     Interrupt 32, for device(s): resched3
callfunc3 i33 derive     Interrupt 33, for device(s): callfunc3
debug3 i34 derive     Interrupt 34, for device(s): debug3
callfuncsingle3 i35 derive     Interrupt 35, for device(s): callfuncsingle3
timer4 i36 derive     Interrupt 36, for device(s): timer4
resched4 i37 derive     Interrupt 37, for device(s): resched4
callfunc4 i38 derive     Interrupt 38, for device(s): callfunc4
debug4 i39 derive     Interrupt 39, for device(s): debug4
callfuncsingle4 i40 derive     Interrupt 40, for device(s): callfuncsingle4
timer5 i41 derive     Interrupt 41, for device(s): timer5
resched5 i42 derive     Interrupt 42, for device(s): resched5
callfunc5 i43 derive     Interrupt 43, for device(s): callfunc5
debug5 i44 derive     Interrupt 44, for device(s): debug5
callfuncsingle5 i45 derive     Interrupt 45, for device(s): callfuncsingle5
timer6 i46 derive     Interrupt 46, for device(s): timer6
resched6 i47 derive     Interrupt 47, for device(s): resched6
callfunc6 i48 derive     Interrupt 48, for device(s): callfunc6
debug6 i49 derive     Interrupt 49, for device(s): debug6
callfuncsingle6 i50 derive     Interrupt 50, for device(s): callfuncsingle6
timer7 i51 derive     Interrupt 51, for device(s): timer7
resched7 i52 derive     Interrupt 52, for device(s): resched7
callfunc7 i53 derive     Interrupt 53, for device(s): callfunc7
debug7 i54 derive     Interrupt 54, for device(s): debug7
callfuncsingle7 i55 derive     Interrupt 55, for device(s): callfuncsingle7
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 i60 derive     Interrupt 60, for device(s): eth0
eth1 i61 derive     Interrupt 61, for device(s): eth1
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