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 |
| rtc0 |
i8 |
derive |
|
|
Interrupt 8, for device(s): rtc0 |
| acpi |
i9 |
derive |
|
|
Interrupt 9, for device(s): acpi |
| 16 |
i16 |
derive |
|
|
Interrupt 16, for device(s): ehci_hcd:usb2, uhci_hcd:usb6, uhci_hcd:usb7, uhci_hcd:usb8 |
| i801_smbus |
i18 |
derive |
|
|
Interrupt 18, for device(s): i801_smbus |
| 19 |
i19 |
derive |
|
|
Interrupt 19, for device(s): ehci_hcd:usb1, uhci_hcd:usb3, uhci_hcd:usb4, uhci_hcd:usb5 |
| aerdrv, PCIe PME |
i64 |
derive |
|
|
Interrupt 64, for device(s): aerdrv, PCIe PME |
| aerdrv, PCIe PME |
i65 |
derive |
|
|
Interrupt 65, for device(s): aerdrv, PCIe PME |
| aerdrv, PCIe PME |
i66 |
derive |
|
|
Interrupt 66, for device(s): aerdrv, PCIe PME |
| aerdrv, PCIe PME |
i67 |
derive |
|
|
Interrupt 67, for device(s): aerdrv, PCIe PME |
| aerdrv, PCIe PME |
i68 |
derive |
|
|
Interrupt 68, for device(s): aerdrv, PCIe PME |
| PCIe PME, pciehp |
i69 |
derive |
|
|
Interrupt 69, for device(s): PCIe PME, pciehp |
| PCIe PME, pciehp |
i70 |
derive |
|
|
Interrupt 70, for device(s): PCIe PME, pciehp |
| ahci |
i71 |
derive |
|
|
Interrupt 71, for device(s): ahci |
| ioat-msix |
i72 |
derive |
|
|
Interrupt 72, for device(s): ioat-msix |
| ioat-msix |
i73 |
derive |
|
|
Interrupt 73, for device(s): ioat-msix |
| ioat-msix |
i74 |
derive |
|
|
Interrupt 74, for device(s): ioat-msix |
| ioat-msix |
i75 |
derive |
|
|
Interrupt 75, for device(s): ioat-msix |
| ioat-msix |
i76 |
derive |
|
|
Interrupt 76, for device(s): ioat-msix |
| ioat-msix |
i77 |
derive |
|
|
Interrupt 77, for device(s): ioat-msix |
| ioat-msix |
i78 |
derive |
|
|
Interrupt 78, for device(s): ioat-msix |
| ioat-msix |
i79 |
derive |
|
|
Interrupt 79, for device(s): ioat-msix |
| eth2 |
i80 |
derive |
|
|
Interrupt 80, for device(s): eth2 |
| 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 |
| 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 |
|
|
|
