Graph Information
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 | ||
| 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 |