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 |
| 20-fasteoi ehci_hcd:usb2 |
i20 |
derive |
|
|
Interrupt 20, for device(s): 20-fasteoi ehci_hcd:usb2 |
| 22-fasteoi ehci_hcd:usb1 |
i22 |
derive |
|
|
Interrupt 22, for device(s): 22-fasteoi ehci_hcd:usb1 |
| 16384-edge PCIe PME |
i25 |
derive |
|
|
Interrupt 25, for device(s): 16384-edge PCIe PME |
| 18432-edge PCIe PME |
i26 |
derive |
|
|
Interrupt 26, for device(s): 18432-edge PCIe PME |
| 49152-edge PCIe PME |
i27 |
derive |
|
|
Interrupt 27, for device(s): 49152-edge PCIe PME |
| 278528-edge PCIe PME |
i28 |
derive |
|
|
Interrupt 28, for device(s): 278528-edge PCIe PME |
| 458752-edge PCIe PME |
i29 |
derive |
|
|
Interrupt 29, for device(s): 458752-edge PCIe PME |
| 473088-edge PCIe PME |
i30 |
derive |
|
|
Interrupt 30, for device(s): 473088-edge PCIe PME |
| 512000-edge ahci[0000:00:1f.2] |
i31 |
derive |
|
|
Interrupt 31, for device(s): 512000-edge ahci[0000:00:1f.2] |
| 2097152-edge isci-msix |
i32 |
derive |
|
|
Interrupt 32, for device(s): 2097152-edge isci-msix |
| 2097153-edge isci-msix |
i33 |
derive |
|
|
Interrupt 33, for device(s): 2097153-edge isci-msix |
| 2621440-edge eth0 |
i34 |
derive |
|
|
Interrupt 34, for device(s): 2621440-edge eth0 |
| 2621441-edge eth0-TxRx-0 |
i35 |
derive |
|
|
Interrupt 35, for device(s): 2621441-edge eth0-TxRx-0 |
| 2621442-edge eth0-TxRx-1 |
i36 |
derive |
|
|
Interrupt 36, for device(s): 2621442-edge eth0-TxRx-1 |
| 2621443-edge eth0-TxRx-2 |
i37 |
derive |
|
|
Interrupt 37, for device(s): 2621443-edge eth0-TxRx-2 |
| 2621444-edge eth0-TxRx-3 |
i38 |
derive |
|
|
Interrupt 38, for device(s): 2621444-edge eth0-TxRx-3 |
| 2621445-edge eth0-TxRx-4 |
i39 |
derive |
|
|
Interrupt 39, for device(s): 2621445-edge eth0-TxRx-4 |
| 2621446-edge eth0-TxRx-5 |
i40 |
derive |
|
|
Interrupt 40, for device(s): 2621446-edge eth0-TxRx-5 |
| 2621447-edge eth0-TxRx-6 |
i41 |
derive |
|
|
Interrupt 41, for device(s): 2621447-edge eth0-TxRx-6 |
| 2621448-edge eth0-TxRx-7 |
i42 |
derive |
|
|
Interrupt 42, for device(s): 2621448-edge eth0-TxRx-7 |
| 2623488-edge eth1 |
i43 |
derive |
|
|
Interrupt 43, for device(s): 2623488-edge eth1 |
| 2623489-edge eth1-TxRx-0 |
i44 |
derive |
|
|
Interrupt 44, for device(s): 2623489-edge eth1-TxRx-0 |
| 2623490-edge eth1-TxRx-1 |
i45 |
derive |
|
|
Interrupt 45, for device(s): 2623490-edge eth1-TxRx-1 |
| 2623491-edge eth1-TxRx-2 |
i46 |
derive |
|
|
Interrupt 46, for device(s): 2623491-edge eth1-TxRx-2 |
| 2623492-edge eth1-TxRx-3 |
i47 |
derive |
|
|
Interrupt 47, for device(s): 2623492-edge eth1-TxRx-3 |
| 2623493-edge eth1-TxRx-4 |
i48 |
derive |
|
|
Interrupt 48, for device(s): 2623493-edge eth1-TxRx-4 |
| 2623494-edge eth1-TxRx-5 |
i49 |
derive |
|
|
Interrupt 49, for device(s): 2623494-edge eth1-TxRx-5 |
| 2623495-edge eth1-TxRx-6 |
i50 |
derive |
|
|
Interrupt 50, for device(s): 2623495-edge eth1-TxRx-6 |
| 2623496-edge eth1-TxRx-7 |
i51 |
derive |
|
|
Interrupt 51, for device(s): 2623496-edge eth1-TxRx-7 |
| 65536-edge ioat-msix |
i53 |
derive |
|
|
Interrupt 53, for device(s): 65536-edge ioat-msix |
| 67584-edge ioat-msix |
i55 |
derive |
|
|
Interrupt 55, for device(s): 67584-edge ioat-msix |
| 69632-edge ioat-msix |
i56 |
derive |
|
|
Interrupt 56, for device(s): 69632-edge ioat-msix |
| 71680-edge ioat-msix |
i57 |
derive |
|
|
Interrupt 57, for device(s): 71680-edge ioat-msix |
| 73728-edge ioat-msix |
i58 |
derive |
|
|
Interrupt 58, for device(s): 73728-edge ioat-msix |
| 75776-edge ioat-msix |
i59 |
derive |
|
|
Interrupt 59, for device(s): 75776-edge ioat-msix |
| 77824-edge ioat-msix |
i60 |
derive |
|
|
Interrupt 60, for device(s): 77824-edge ioat-msix |
| 20-fasteoi snd_hda_intel:card0 |
i61 |
derive |
|
|
Interrupt 61, for device(s): 20-fasteoi snd_hda_intel:card0 |
| 79872-edge ioat-msix |
i62 |
derive |
|
|
Interrupt 62, for device(s): 79872-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 |
| Hypervisor callback interrupts |
iHYP |
derive |
|
|
Interrupt HYP, for device(s): Hypervisor callback interrupts |
| ERR |
iERR |
derive |
|
|
|
| MIS |
iMIS |
derive |
|
|
|
| Posted-interrupt notification event |
iPIN |
derive |
|
|
Interrupt PIN, for device(s): Posted-interrupt notification event |
| Nested posted-interrupt event |
iNPI |
derive |
|
|
Interrupt NPI, for device(s): Nested posted-interrupt event |
| Posted-interrupt wakeup event |
iPIW |
derive |
|
|
Interrupt PIW, for device(s): Posted-interrupt wakeup event |
