| 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 |
|---|---|---|---|---|---|
| 2-edge timer | i0 | derive | Interrupt 0, for device(s): 2-edge timer | ||
| 1-edge i8042 | i1 | derive | Interrupt 1, for device(s): 1-edge i8042 | ||
| 8-edge rtc0 | i8 | derive | Interrupt 8, for device(s): 8-edge rtc0 | ||
| 9-fasteoi acpi | i9 | derive | Interrupt 9, for device(s): 9-fasteoi acpi | ||
| 12-edge i8042 | i12 | derive | Interrupt 12, for device(s): 12-edge i8042 | ||
| 14-edge ata_piix | i14 | derive | Interrupt 14, for device(s): 14-edge ata_piix | ||
| 15-edge ata_piix | i15 | derive | Interrupt 15, for device(s): 15-edge ata_piix | ||
| 16-fasteoi uhci_hcd:usb5 | i16 | derive | Interrupt 16, for device(s): 16-fasteoi uhci_hcd:usb5 | ||
| 18-fasteoi uhci_hcd:usb4, 3w-9xxx | i18 | derive | Interrupt 18, for device(s): 18-fasteoi uhci_hcd:usb4, 3w-9xxx | ||
| 19-fasteoi uhci_hcd:usb3 | i19 | derive | Interrupt 19, for device(s): 19-fasteoi uhci_hcd:usb3 | ||
| 23-fasteoi ehci_hcd:usb1, uhci_hcd:usb2 | i23 | derive | Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb1, uhci_hcd:usb2 | ||
| 2097152-edge eth0 | i28 | derive | Interrupt 28, for device(s): 2097152-edge eth0 | ||
| 2621440-edge eth1 | i29 | derive | Interrupt 29, for device(s): 2621440-edge 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 | ||
| 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 | ||
| Posted-interrupt wakeup event | iPIW | derive | Interrupt PIW, for device(s): Posted-interrupt wakeup event | ||