| 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 | |
|---|---|---|---|---|---|
| 2-edge timer | i0 | derive | None | None | Interrupt 0, for device(s): 2-edge timer |
| 1-edge i8042 | i1 | derive | None | None | Interrupt 1, for device(s): 1-edge i8042 |
| 6-edge floppy | i6 | derive | None | None | Interrupt 6, for device(s): 6-edge floppy |
| 8-edge rtc0 | i8 | derive | None | None | Interrupt 8, for device(s): 8-edge rtc0 |
| 9-fasteoi acpi | i9 | derive | None | None | Interrupt 9, for device(s): 9-fasteoi acpi |
| 11-fasteoi uhci_hcd:usb1, virtio2 | i11 | derive | None | None | Interrupt 11, for device(s): 11-fasteoi uhci_hcd:usb1, virtio2 |
| 12-edge i8042 | i12 | derive | None | None | Interrupt 12, for device(s): 12-edge i8042 |
| 14-edge ata_piix | i14 | derive | None | None | Interrupt 14, for device(s): 14-edge ata_piix |
| 15-edge ata_piix | i15 | derive | None | None | Interrupt 15, for device(s): 15-edge ata_piix |
| 49152-edge virtio0-config | i24 | derive | None | None | Interrupt 24, for device(s): 49152-edge virtio0-config |
| 49153-edge virtio0-input.0 | i25 | derive | None | None | Interrupt 25, for device(s): 49153-edge virtio0-input.0 |
| 49154-edge virtio0-output.0 | i26 | derive | None | None | Interrupt 26, for device(s): 49154-edge virtio0-output.0 |
| 81920-edge virtio1-config | i27 | derive | None | None | Interrupt 27, for device(s): 81920-edge virtio1-config |
| 81921-edge virtio1-req.0 | i28 | derive | None | None | Interrupt 28, for device(s): 81921-edge virtio1-req.0 |
| 65536-edge snd_hda_intel:card0 | i29 | derive | None | None | Interrupt 29, for device(s): 65536-edge snd_hda_intel:card0 |
| Non-maskable interrupts | iNMI | derive | None | None | Interrupt NMI, for device(s): Non-maskable interrupts |
| Local timer interrupts | iLOC | derive | None | None | Interrupt LOC, for device(s): Local timer interrupts |
| Spurious interrupts | iSPU | derive | None | None | Interrupt SPU, for device(s): Spurious interrupts |
| Performance monitoring interrupts | iPMI | derive | None | None | Interrupt PMI, for device(s): Performance monitoring interrupts |
| IRQ work interrupts | iIWI | derive | None | None | Interrupt IWI, for device(s): IRQ work interrupts |
| APIC ICR read retries | iRTR | derive | None | None | Interrupt RTR, for device(s): APIC ICR read retries |
| Rescheduling interrupts | iRES | derive | None | None | Interrupt RES, for device(s): Rescheduling interrupts |
| Function call interrupts | iCAL | derive | None | None | Interrupt CAL, for device(s): Function call interrupts |
| TLB shootdowns | iTLB | derive | None | None | Interrupt TLB, for device(s): TLB shootdowns |
| Thermal event interrupts | iTRM | derive | None | None | Interrupt TRM, for device(s): Thermal event interrupts |
| Threshold APIC interrupts | iTHR | derive | None | None | Interrupt THR, for device(s): Threshold APIC interrupts |
| Deferred Error APIC interrupts | iDFR | derive | None | None | Interrupt DFR, for device(s): Deferred Error APIC interrupts |
| Machine check exceptions | iMCE | derive | None | None | Interrupt MCE, for device(s): Machine check exceptions |
| Machine check polls | iMCP | derive | None | None | Interrupt MCP, for device(s): Machine check polls |
| ERR | iERR | derive | None | None | |
| MIS | iMIS | derive | None | None | |
| Posted-interrupt notification event | iPIN | derive | None | None | Interrupt PIN, for device(s): Posted-interrupt notification event |
| Posted-interrupt wakeup event | iPIW | derive | None | None | Interrupt PIW, for device(s): Posted-interrupt wakeup event |