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-fasteoi i801_smbus |
i16 |
derive |
|
|
Interrupt 16, for device(s): 16-fasteoi i801_smbus |
| 19-fasteoi |
i19 |
derive |
|
|
Interrupt 19, for device(s): 19-fasteoi |
| 458752-edge PCIe PME |
i24 |
derive |
|
|
Interrupt 24, for device(s): 458752-edge PCIe PME |
| 473088-edge PCIe PME |
i25 |
derive |
|
|
Interrupt 25, for device(s): 473088-edge PCIe PME |
| 12091392-edge PCIe PME |
i27 |
derive |
|
|
Interrupt 27, for device(s): 12091392-edge PCIe PME |
| 12107776-edge PCIe PME |
i28 |
derive |
|
|
Interrupt 28, for device(s): 12107776-edge PCIe PME |
| 82313216-edge PCIe PME |
i30 |
derive |
|
|
Interrupt 30, for device(s): 82313216-edge PCIe PME |
| 360448-edge mei_me |
i31 |
derive |
|
|
Interrupt 31, for device(s): 360448-edge mei_me |
| 327680-edge xhci_hcd |
i32 |
derive |
|
|
Interrupt 32, for device(s): 327680-edge xhci_hcd |
| 376832-edge ahci[0000:00:17.0] |
i33 |
derive |
|
|
Interrupt 33, for device(s): 376832-edge ahci[0000:00:17.0] |
| 65536-edge ioat-msix |
i35 |
derive |
|
|
Interrupt 35, for device(s): 65536-edge ioat-msix |
| 514048-edge snd_hda_intel:card0 |
i36 |
derive |
|
|
Interrupt 36, for device(s): 514048-edge snd_hda_intel:card0 |
| 67584-edge ioat-msix |
i38 |
derive |
|
|
Interrupt 38, for device(s): 67584-edge ioat-msix |
| 69632-edge ioat-msix |
i39 |
derive |
|
|
Interrupt 39, for device(s): 69632-edge ioat-msix |
| 71680-edge ioat-msix |
i40 |
derive |
|
|
Interrupt 40, for device(s): 71680-edge ioat-msix |
| 73728-edge ioat-msix |
i41 |
derive |
|
|
Interrupt 41, for device(s): 73728-edge ioat-msix |
| 75776-edge ioat-msix |
i42 |
derive |
|
|
Interrupt 42, for device(s): 75776-edge ioat-msix |
| 77824-edge ioat-msix |
i43 |
derive |
|
|
Interrupt 43, for device(s): 77824-edge ioat-msix |
| 520192-edge enp0s31f6 |
i44 |
derive |
|
|
Interrupt 44, for device(s): 520192-edge enp0s31f6 |
| 4-fasteoi snd_hda_intel:card1 |
i45 |
derive |
|
|
Interrupt 45, for device(s): 4-fasteoi snd_hda_intel:card1 |
| 79872-edge ioat-msix |
i46 |
derive |
|
|
Interrupt 46, for device(s): 79872-edge ioat-msix |
| 117506048-edge ioat-msix |
i48 |
derive |
|
|
Interrupt 48, for device(s): 117506048-edge ioat-msix |
| 117508096-edge ioat-msix |
i50 |
derive |
|
|
Interrupt 50, for device(s): 117508096-edge ioat-msix |
| 117510144-edge ioat-msix |
i51 |
derive |
|
|
Interrupt 51, for device(s): 117510144-edge ioat-msix |
| 117512192-edge ioat-msix |
i52 |
derive |
|
|
Interrupt 52, for device(s): 117512192-edge ioat-msix |
| 117514240-edge ioat-msix |
i53 |
derive |
|
|
Interrupt 53, for device(s): 117514240-edge ioat-msix |
| 117516288-edge ioat-msix |
i54 |
derive |
|
|
Interrupt 54, for device(s): 117516288-edge ioat-msix |
| 117518336-edge ioat-msix |
i55 |
derive |
|
|
Interrupt 55, for device(s): 117518336-edge ioat-msix |
| 117520384-edge ioat-msix |
i56 |
derive |
|
|
Interrupt 56, for device(s): 117520384-edge ioat-msix |
| 82837504-edge nvidia |
i58 |
derive |
|
|
Interrupt 58, for device(s): 82837504-edge nvidia |
| 6-edge dmar6 |
i104 |
derive |
|
|
Interrupt 104, for device(s): 6-edge dmar6 |
| 5-edge dmar5 |
i105 |
derive |
|
|
Interrupt 105, for device(s): 5-edge dmar5 |
| 4-edge dmar4 |
i106 |
derive |
|
|
Interrupt 106, for device(s): 4-edge dmar4 |
| 3-edge dmar3 |
i107 |
derive |
|
|
Interrupt 107, for device(s): 3-edge dmar3 |
| 2-edge dmar2 |
i108 |
derive |
|
|
Interrupt 108, for device(s): 2-edge dmar2 |
| 1-edge dmar1 |
i109 |
derive |
|
|
Interrupt 109, for device(s): 1-edge dmar1 |
| 0-edge dmar0 |
i110 |
derive |
|
|
Interrupt 110, for device(s): 0-edge dmar0 |
| 7-edge dmar7 |
i111 |
derive |
|
|
Interrupt 111, for device(s): 7-edge dmar7 |
| 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 |
