| 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 | |
|---|---|---|---|---|---|
| timer | i0 | derive | None | None | Interrupt 0, for device(s): timer |
| i8042 | i1 | derive | None | None | Interrupt 1, for device(s): i8042 |
| rtc0 | i8 | derive | None | None | Interrupt 8, for device(s): rtc0 |
| acpi | i9 | derive | None | None | Interrupt 9, for device(s): acpi |
| i8042 | i12 | derive | None | None | Interrupt 12, for device(s): i8042 |
| ide0 | i14 | derive | None | None | Interrupt 14, for device(s): ide0 |
| ide1 | i15 | derive | None | None | Interrupt 15, for device(s): ide1 |
| uhci_hcd:usb3 | i16 | derive | None | None | Interrupt 16, for device(s): uhci_hcd:usb3 |
| ehci_hcd:usb1, uhci_hcd:usb8 | i18 | derive | None | None | Interrupt 18, for device(s): ehci_hcd:usb1, uhci_hcd:usb8 |
| uhci_hcd:usb5, uhci_hcd:usb7 | i19 | derive | None | None | Interrupt 19, for device(s): uhci_hcd:usb5, uhci_hcd:usb7 |
| uhci_hcd:usb4 | i21 | derive | None | None | Interrupt 21, for device(s): uhci_hcd:usb4 |
| ehci_hcd:usb2, uhci_hcd:usb6 | i23 | derive | None | None | Interrupt 23, for device(s): ehci_hcd:usb2, uhci_hcd:usb6 |
| dmar0 | i40 | derive | None | None | Interrupt 40, for device(s): dmar0 |
| ioat-msix | i41 | derive | None | None | Interrupt 41, for device(s): ioat-msix |
| ioat-msix | i42 | derive | None | None | Interrupt 42, for device(s): ioat-msix |
| ioat-msix | i43 | derive | None | None | Interrupt 43, for device(s): ioat-msix |
| ioat-msix | i44 | derive | None | None | Interrupt 44, for device(s): ioat-msix |
| ioat-msix | i45 | derive | None | None | Interrupt 45, for device(s): ioat-msix |
| ioat-msix | i46 | derive | None | None | Interrupt 46, for device(s): ioat-msix |
| ioat-msix | i47 | derive | None | None | Interrupt 47, for device(s): ioat-msix |
| ioat-msix | i48 | derive | None | None | Interrupt 48, for device(s): ioat-msix |
| ahci | i49 | derive | None | None | Interrupt 49, for device(s): ahci |
| eth0-rx-0 | i50 | derive | None | None | Interrupt 50, for device(s): eth0-rx-0 |
| eth0-tx-0 | i51 | derive | None | None | Interrupt 51, for device(s): eth0-tx-0 |
| eth0 | i52 | derive | None | None | Interrupt 52, for device(s): eth0 |
| 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 |
| 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 | |