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 |
| -virq timer0 |
i0 |
derive |
|
|
Interrupt 0, for device(s): -virq timer0 |
| -ipi spinlock0 |
i1 |
derive |
|
|
Interrupt 1, for device(s): -ipi spinlock0 |
| -ipi resched0 |
i2 |
derive |
|
|
Interrupt 2, for device(s): -ipi resched0 |
| -ipi callfunc0 |
i3 |
derive |
|
|
Interrupt 3, for device(s): -ipi callfunc0 |
| -ipi callfuncsingle0 |
i4 |
derive |
|
|
Interrupt 4, for device(s): -ipi callfuncsingle0 |
| -ipi irqwork0 |
i5 |
derive |
|
|
Interrupt 5, for device(s): -ipi irqwork0 |
| -event blkif |
i6 |
derive |
|
|
Interrupt 6, for device(s): -event blkif |
| -event blkif |
i7 |
derive |
|
|
Interrupt 7, for device(s): -event blkif |
| -event vif0-q0-tx |
i8 |
derive |
|
|
Interrupt 8, for device(s): -event vif0-q0-tx |
| -event vif0-q0-rx |
i9 |
derive |
|
|
Interrupt 9, for device(s): -event vif0-q0-rx |
| -event xenbus |
i96 |
derive |
|
|
Interrupt 96, for device(s): -event xenbus |
| -event hvc_console |
i97 |
derive |
|
|
Interrupt 97, for device(s): -event hvc_console |
| 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 |
| 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 |
