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 |
| 4-edge ttyS0 |
i4 |
derive |
|
|
Interrupt 4, for device(s): 4-edge ttyS0 |
| 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 mmc0 |
i16 |
derive |
|
|
Interrupt 16, for device(s): 16-fasteoi mmc0 |
| 18-fasteoi ehci_hcd:usb3 |
i18 |
derive |
|
|
Interrupt 18, for device(s): 18-fasteoi ehci_hcd:usb3 |
| 19-fasteoi ahci[0000:00:11.0] |
i19 |
derive |
|
|
Interrupt 19, for device(s): 19-fasteoi ahci[0000:00:11.0] |
| 36864-edge PCIe PME |
i25 |
derive |
|
|
Interrupt 25, for device(s): 36864-edge PCIe PME |
| 38912-edge PCIe PME |
i27 |
derive |
|
|
Interrupt 27, for device(s): 38912-edge PCIe PME |
| 40960-edge PCIe PME |
i29 |
derive |
|
|
Interrupt 29, for device(s): 40960-edge PCIe PME |
| 524288-edge enp1s0 |
i31 |
derive |
|
|
Interrupt 31, for device(s): 524288-edge enp1s0 |
| 524289-edge enp1s0-rx-0 |
i32 |
derive |
|
|
Interrupt 32, for device(s): 524289-edge enp1s0-rx-0 |
| 524290-edge enp1s0-rx-1 |
i33 |
derive |
|
|
Interrupt 33, for device(s): 524290-edge enp1s0-rx-1 |
| 524291-edge enp1s0-tx-0 |
i34 |
derive |
|
|
Interrupt 34, for device(s): 524291-edge enp1s0-tx-0 |
| 524292-edge enp1s0-tx-1 |
i35 |
derive |
|
|
Interrupt 35, for device(s): 524292-edge enp1s0-tx-1 |
| 1048576-edge enp2s0 |
i37 |
derive |
|
|
Interrupt 37, for device(s): 1048576-edge enp2s0 |
| 1048577-edge enp2s0-rx-0 |
i38 |
derive |
|
|
Interrupt 38, for device(s): 1048577-edge enp2s0-rx-0 |
| 1048578-edge enp2s0-rx-1 |
i39 |
derive |
|
|
Interrupt 39, for device(s): 1048578-edge enp2s0-rx-1 |
| 1048579-edge enp2s0-tx-0 |
i40 |
derive |
|
|
Interrupt 40, for device(s): 1048579-edge enp2s0-tx-0 |
| 1048580-edge enp2s0-tx-1 |
i41 |
derive |
|
|
Interrupt 41, for device(s): 1048580-edge enp2s0-tx-1 |
| 262144-edge xhci_hcd |
i42 |
derive |
|
|
Interrupt 42, for device(s): 262144-edge xhci_hcd |
| 262145-edge xhci_hcd |
i43 |
derive |
|
|
Interrupt 43, for device(s): 262145-edge xhci_hcd |
| 262146-edge xhci_hcd |
i44 |
derive |
|
|
Interrupt 44, for device(s): 262146-edge xhci_hcd |
| 262147-edge xhci_hcd |
i45 |
derive |
|
|
Interrupt 45, for device(s): 262147-edge xhci_hcd |
| 262148-edge xhci_hcd |
i46 |
derive |
|
|
Interrupt 46, for device(s): 262148-edge xhci_hcd |
| 1572864-edge enp3s0 |
i48 |
derive |
|
|
Interrupt 48, for device(s): 1572864-edge enp3s0 |
| 1572865-edge enp3s0-rx-0 |
i49 |
derive |
|
|
Interrupt 49, for device(s): 1572865-edge enp3s0-rx-0 |
| 1572866-edge enp3s0-rx-1 |
i50 |
derive |
|
|
Interrupt 50, for device(s): 1572866-edge enp3s0-rx-1 |
| 1572867-edge enp3s0-tx-0 |
i51 |
derive |
|
|
Interrupt 51, for device(s): 1572867-edge enp3s0-tx-0 |
| 1572868-edge enp3s0-tx-1 |
i52 |
derive |
|
|
Interrupt 52, for device(s): 1572868-edge enp3s0-tx-1 |
| 131073-edge ccp-1 |
i54 |
derive |
|
|
Interrupt 54, for device(s): 131073-edge ccp-1 |
| 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 |
