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 |
| 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 |
| 16 |
i16 |
derive |
|
|
Interrupt 16, for device(s): 16-fasteoi ehci_hcd:usb2, uhci_hcd:usb6, uhci_hcd:usb7, uhci_hcd:usb8, ioc0 |
| 18-fasteoi ata_piix, i801_smbus |
i18 |
derive |
|
|
Interrupt 18, for device(s): 18-fasteoi ata_piix, i801_smbus |
| 19 |
i19 |
derive |
|
|
Interrupt 19, for device(s): 19-fasteoi ehci_hcd:usb1, uhci_hcd:usb3, uhci_hcd:usb4, uhci_hcd:usb5 |
| 21-fasteoi ata_piix |
i21 |
derive |
|
|
Interrupt 21, for device(s): 21-fasteoi ata_piix |
| 16384-edge aerdrv, PCIe PME |
i25 |
derive |
|
|
Interrupt 25, for device(s): 16384-edge aerdrv, PCIe PME |
| 49152-edge aerdrv, PCIe PME |
i27 |
derive |
|
|
Interrupt 27, for device(s): 49152-edge aerdrv, PCIe PME |
| 81920-edge aerdrv, PCIe PME |
i29 |
derive |
|
|
Interrupt 29, for device(s): 81920-edge aerdrv, PCIe PME |
| 114688-edge aerdrv, PCIe PME |
i31 |
derive |
|
|
Interrupt 31, for device(s): 114688-edge aerdrv, PCIe PME |
| 147456-edge aerdrv, PCIe PME |
i33 |
derive |
|
|
Interrupt 33, for device(s): 147456-edge aerdrv, PCIe PME |
| 163840-edge aerdrv, PCIe PME |
i35 |
derive |
|
|
Interrupt 35, for device(s): 163840-edge aerdrv, PCIe PME |
| 458752-edge PCIe PME, pciehp |
i36 |
derive |
|
|
Interrupt 36, for device(s): 458752-edge PCIe PME, pciehp |
| 466944-edge PCIe PME, pciehp |
i37 |
derive |
|
|
Interrupt 37, for device(s): 466944-edge PCIe PME, pciehp |
| 468992-edge PCIe PME, pciehp |
i38 |
derive |
|
|
Interrupt 38, for device(s): 468992-edge PCIe PME, pciehp |
| 524288-edge eth0 |
i44 |
derive |
|
|
Interrupt 44, for device(s): 524288-edge eth0 |
| 524289-edge eth0-TxRx-0 |
i45 |
derive |
|
|
Interrupt 45, for device(s): 524289-edge eth0-TxRx-0 |
| 526336-edge eth1 |
i46 |
derive |
|
|
Interrupt 46, for device(s): 526336-edge eth1 |
| 526337-edge eth1-TxRx-0 |
i47 |
derive |
|
|
Interrupt 47, for device(s): 526337-edge eth1-TxRx-0 |
| 360448-edge ioat-msix |
i49 |
derive |
|
|
Interrupt 49, for device(s): 360448-edge ioat-msix |
| 362496-edge ioat-msix |
i51 |
derive |
|
|
Interrupt 51, for device(s): 362496-edge ioat-msix |
| 364544-edge ioat-msix |
i53 |
derive |
|
|
Interrupt 53, for device(s): 364544-edge ioat-msix |
| 366592-edge ioat-msix |
i55 |
derive |
|
|
Interrupt 55, for device(s): 366592-edge ioat-msix |
| 368640-edge ioat-msix |
i56 |
derive |
|
|
Interrupt 56, for device(s): 368640-edge ioat-msix |
| 370688-edge ioat-msix |
i57 |
derive |
|
|
Interrupt 57, for device(s): 370688-edge ioat-msix |
| 372736-edge ioat-msix |
i58 |
derive |
|
|
Interrupt 58, for device(s): 372736-edge ioat-msix |
| 374784-edge ioat-msix |
i59 |
derive |
|
|
Interrupt 59, for device(s): 374784-edge ioat-msix |
| 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 |
