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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
timer i0 derive     Interrupt 0, for device(s): timer
cascade i2 derive     Interrupt 2, for device(s): cascade
-virq timer0 i16 derive     Interrupt 16, for device(s): -virq timer0
-ipi resched0 i17 derive     Interrupt 17, for device(s): -ipi resched0
-ipi callfunc0 i18 derive     Interrupt 18, for device(s): -ipi callfunc0
-ipi callfuncsingle0 i19 derive     Interrupt 19, for device(s): -ipi callfuncsingle0
-ipi spinlock0 i20 derive     Interrupt 20, for device(s): -ipi spinlock0
-virq timer1 i21 derive     Interrupt 21, for device(s): -virq timer1
-ipi resched1 i22 derive     Interrupt 22, for device(s): -ipi resched1
-ipi callfunc1 i23 derive     Interrupt 23, for device(s): -ipi callfunc1
-ipi callfuncsingle1 i24 derive     Interrupt 24, for device(s): -ipi callfuncsingle1
-ipi spinlock1 i25 derive     Interrupt 25, for device(s): -ipi spinlock1
-event xenbus i26 derive     Interrupt 26, for device(s): -event xenbus
-event hvc_console i27 derive     Interrupt 27, for device(s): -event hvc_console
-event blkif i28 derive     Interrupt 28, for device(s): -event blkif
-event blkif i29 derive     Interrupt 29, for device(s): -event blkif
-event blkif i30 derive     Interrupt 30, for device(s): -event blkif
-event blkif i31 derive     Interrupt 31, for device(s): -event blkif
-event vif0-q0-tx i32 derive     Interrupt 32, for device(s): -event vif0-q0-tx
-event vif0-q0-rx i33 derive     Interrupt 33, for device(s): -event vif0-q0-rx
-event vif0-q1-tx i34 derive     Interrupt 34, for device(s): -event vif0-q1-tx
-event vif0-q1-rx i35 derive     Interrupt 35, for device(s): -event vif0-q1-rx
-event vfb i36 derive     Interrupt 36, for device(s): -event vfb
-event vkbd i37 derive     Interrupt 37, for device(s): -event vkbd
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
Hypervisor callback interrupts iHYP derive     Interrupt HYP, for device(s): Hypervisor callback interrupts
ERR iERR derive      
MIS iMIS derive      
Posted-interrupt notification event iPIN derive     Interrupt PIN, for device(s): Posted-interrupt notification event
Nested posted-interrupt event iNPI derive     Interrupt NPI, for device(s): Nested posted-interrupt event
Posted-interrupt wakeup event iPIW derive     Interrupt PIW, for device(s): Posted-interrupt wakeup event