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 |
| 18 |
i18 |
derive |
|
|
Interrupt 18, for device(s): 18-fasteoi ehci_hcd:usb1, ehci_hcd:usb2, i801_smbus |
| 19-fasteoi xhci-hcd:usb4, hpilo |
i19 |
derive |
|
|
Interrupt 19, for device(s): 19-fasteoi xhci-hcd:usb4, hpilo |
| 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 |
| 32768-edge PCIe PME |
i28 |
derive |
|
|
Interrupt 28, for device(s): 32768-edge PCIe PME |
| 34816-edge PCIe PME |
i29 |
derive |
|
|
Interrupt 29, for device(s): 34816-edge PCIe PME |
| 36864-edge PCIe PME |
i30 |
derive |
|
|
Interrupt 30, for device(s): 36864-edge PCIe PME |
| 38912-edge PCIe PME |
i31 |
derive |
|
|
Interrupt 31, for device(s): 38912-edge PCIe PME |
| 49152-edge PCIe PME |
i33 |
derive |
|
|
Interrupt 33, for device(s): 49152-edge PCIe PME |
| 51200-edge PCIe PME |
i34 |
derive |
|
|
Interrupt 34, for device(s): 51200-edge PCIe PME |
| 53248-edge PCIe PME |
i35 |
derive |
|
|
Interrupt 35, for device(s): 53248-edge PCIe PME |
| 55296-edge PCIe PME |
i36 |
derive |
|
|
Interrupt 36, for device(s): 55296-edge PCIe PME |
| 458752-edge PCIe PME |
i37 |
derive |
|
|
Interrupt 37, for device(s): 458752-edge PCIe PME |
| 462848-edge PCIe PME |
i38 |
derive |
|
|
Interrupt 38, for device(s): 462848-edge PCIe PME |
| 466944-edge PCIe PME |
i39 |
derive |
|
|
Interrupt 39, for device(s): 466944-edge PCIe PME |
| 471040-edge PCIe PME |
i40 |
derive |
|
|
Interrupt 40, for device(s): 471040-edge PCIe PME |
| 473088-edge PCIe PME |
i41 |
derive |
|
|
Interrupt 41, for device(s): 473088-edge PCIe PME |
| 532480-edge uhci_hcd:usb3 |
i42 |
derive |
|
|
Interrupt 42, for device(s): 532480-edge uhci_hcd:usb3 |
| 1572864-edge hpsa0-msix0 |
i43 |
derive |
|
|
Interrupt 43, for device(s): 1572864-edge hpsa0-msix0 |
| 1572865-edge hpsa0-msix1 |
i44 |
derive |
|
|
Interrupt 44, for device(s): 1572865-edge hpsa0-msix1 |
| 1572866-edge hpsa0-msix2 |
i45 |
derive |
|
|
Interrupt 45, for device(s): 1572866-edge hpsa0-msix2 |
| 1572867-edge hpsa0-msix3 |
i46 |
derive |
|
|
Interrupt 46, for device(s): 1572867-edge hpsa0-msix3 |
| 1572868-edge hpsa0-msix4 |
i47 |
derive |
|
|
Interrupt 47, for device(s): 1572868-edge hpsa0-msix4 |
| 0-edge dmar0 |
i48 |
derive |
|
|
Interrupt 48, for device(s): 0-edge dmar0 |
| 1572869-edge hpsa0-msix5 |
i49 |
derive |
|
|
Interrupt 49, for device(s): 1572869-edge hpsa0-msix5 |
| 1572870-edge hpsa0-msix6 |
i50 |
derive |
|
|
Interrupt 50, for device(s): 1572870-edge hpsa0-msix6 |
| 1572871-edge hpsa0-msix7 |
i51 |
derive |
|
|
Interrupt 51, for device(s): 1572871-edge hpsa0-msix7 |
| 1572872-edge hpsa0-msix8 |
i52 |
derive |
|
|
Interrupt 52, for device(s): 1572872-edge hpsa0-msix8 |
| 1572873-edge hpsa0-msix9 |
i53 |
derive |
|
|
Interrupt 53, for device(s): 1572873-edge hpsa0-msix9 |
| 1572874-edge hpsa0-msix10 |
i54 |
derive |
|
|
Interrupt 54, for device(s): 1572874-edge hpsa0-msix10 |
| 1572875-edge hpsa0-msix11 |
i55 |
derive |
|
|
Interrupt 55, for device(s): 1572875-edge hpsa0-msix11 |
| 1572876-edge hpsa0-msix12 |
i56 |
derive |
|
|
Interrupt 56, for device(s): 1572876-edge hpsa0-msix12 |
| 1572877-edge hpsa0-msix13 |
i57 |
derive |
|
|
Interrupt 57, for device(s): 1572877-edge hpsa0-msix13 |
| 1572878-edge hpsa0-msix14 |
i58 |
derive |
|
|
Interrupt 58, for device(s): 1572878-edge hpsa0-msix14 |
| 1572879-edge hpsa0-msix15 |
i59 |
derive |
|
|
Interrupt 59, for device(s): 1572879-edge hpsa0-msix15 |
| 65536-edge ioat-msix |
i61 |
derive |
|
|
Interrupt 61, for device(s): 65536-edge ioat-msix |
| 67584-edge ioat-msix |
i63 |
derive |
|
|
Interrupt 63, for device(s): 67584-edge ioat-msix |
| 69632-edge ioat-msix |
i64 |
derive |
|
|
Interrupt 64, for device(s): 69632-edge ioat-msix |
| 71680-edge ioat-msix |
i65 |
derive |
|
|
Interrupt 65, for device(s): 71680-edge ioat-msix |
| 73728-edge ioat-msix |
i66 |
derive |
|
|
Interrupt 66, for device(s): 73728-edge ioat-msix |
| 75776-edge ioat-msix |
i67 |
derive |
|
|
Interrupt 67, for device(s): 75776-edge ioat-msix |
| 77824-edge ioat-msix |
i68 |
derive |
|
|
Interrupt 68, for device(s): 77824-edge ioat-msix |
| 79872-edge ioat-msix |
i69 |
derive |
|
|
Interrupt 69, for device(s): 79872-edge ioat-msix |
| 1048576-edge eno1-tx-0 |
i70 |
derive |
|
|
Interrupt 70, for device(s): 1048576-edge eno1-tx-0 |
| 1048577-edge eno1-rx-1 |
i71 |
derive |
|
|
Interrupt 71, for device(s): 1048577-edge eno1-rx-1 |
| 1048578-edge eno1-rx-2 |
i72 |
derive |
|
|
Interrupt 72, for device(s): 1048578-edge eno1-rx-2 |
| 1048579-edge eno1-rx-3 |
i73 |
derive |
|
|
Interrupt 73, for device(s): 1048579-edge eno1-rx-3 |
| 1048580-edge eno1-rx-4 |
i74 |
derive |
|
|
Interrupt 74, for device(s): 1048580-edge eno1-rx-4 |
| 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 |
| 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 |
