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 snd_hda_intel:card0 |
i16 |
derive |
|
|
Interrupt 16, for device(s): 16-fasteoi snd_hda_intel:card0 |
| 17-fasteoi ehci_hcd:usb1 |
i17 |
derive |
|
|
Interrupt 17, for device(s): 17-fasteoi ehci_hcd:usb1 |
| 18-fasteoi ohci_hcd:usb10, ohci_hcd:usb12 |
i18 |
derive |
|
|
Interrupt 18, for device(s): 18-fasteoi ohci_hcd:usb10, ohci_hcd:usb12 |
| 19-fasteoi ahci[0000:00:11.0] |
i19 |
derive |
|
|
Interrupt 19, for device(s): 19-fasteoi ahci[0000:00:11.0] |
| 20-fasteoi ohci_hcd:usb11 |
i20 |
derive |
|
|
Interrupt 20, for device(s): 20-fasteoi ohci_hcd:usb11 |
| 21-fasteoi ehci_hcd:usb3 |
i21 |
derive |
|
|
Interrupt 21, for device(s): 21-fasteoi ehci_hcd:usb3 |
| 22-fasteoi ohci_hcd:usb13 |
i22 |
derive |
|
|
Interrupt 22, for device(s): 22-fasteoi ohci_hcd:usb13 |
| 23-fasteoi ehci_hcd:usb7 |
i23 |
derive |
|
|
Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb7 |
| 1572864-edge enp3s0 |
i38 |
derive |
|
|
Interrupt 38, for device(s): 1572864-edge enp3s0 |
| 2097152-edge xhci_hcd |
i40 |
derive |
|
|
Interrupt 40, for device(s): 2097152-edge xhci_hcd |
| 2097153-edge xhci_hcd |
i41 |
derive |
|
|
Interrupt 41, for device(s): 2097153-edge xhci_hcd |
| 2097154-edge xhci_hcd |
i42 |
derive |
|
|
Interrupt 42, for device(s): 2097154-edge xhci_hcd |
| 2097155-edge xhci_hcd |
i43 |
derive |
|
|
Interrupt 43, for device(s): 2097155-edge xhci_hcd |
| 2097156-edge xhci_hcd |
i44 |
derive |
|
|
Interrupt 44, for device(s): 2097156-edge xhci_hcd |
| 2097157-edge xhci_hcd |
i45 |
derive |
|
|
Interrupt 45, for device(s): 2097157-edge xhci_hcd |
| 2097158-edge xhci_hcd |
i46 |
derive |
|
|
Interrupt 46, for device(s): 2097158-edge xhci_hcd |
| 2097159-edge xhci_hcd |
i47 |
derive |
|
|
Interrupt 47, for device(s): 2097159-edge xhci_hcd |
| 1048576-edge ahci[0000:02:00.0] |
i49 |
derive |
|
|
Interrupt 49, for device(s): 1048576-edge ahci[0000:02:00.0] |
| 3670016-edge ahci[0000:07:00.0] |
i51 |
derive |
|
|
Interrupt 51, for device(s): 3670016-edge ahci[0000:07:00.0] |
| 2621440-edge xhci_hcd |
i53 |
derive |
|
|
Interrupt 53, for device(s): 2621440-edge xhci_hcd |
| 2621441-edge xhci_hcd |
i54 |
derive |
|
|
Interrupt 54, for device(s): 2621441-edge xhci_hcd |
| 2621442-edge xhci_hcd |
i55 |
derive |
|
|
Interrupt 55, for device(s): 2621442-edge xhci_hcd |
| 2621443-edge xhci_hcd |
i56 |
derive |
|
|
Interrupt 56, for device(s): 2621443-edge xhci_hcd |
| 2621444-edge xhci_hcd |
i57 |
derive |
|
|
Interrupt 57, for device(s): 2621444-edge xhci_hcd |
| 2621445-edge xhci_hcd |
i58 |
derive |
|
|
Interrupt 58, for device(s): 2621445-edge xhci_hcd |
| 2621446-edge xhci_hcd |
i59 |
derive |
|
|
Interrupt 59, for device(s): 2621446-edge xhci_hcd |
| 2621447-edge xhci_hcd |
i60 |
derive |
|
|
Interrupt 60, for device(s): 2621447-edge xhci_hcd |
| 3145728-edge xhci_hcd |
i62 |
derive |
|
|
Interrupt 62, for device(s): 3145728-edge xhci_hcd |
| 3145729-edge xhci_hcd |
i63 |
derive |
|
|
Interrupt 63, for device(s): 3145729-edge xhci_hcd |
| 3145730-edge xhci_hcd |
i64 |
derive |
|
|
Interrupt 64, for device(s): 3145730-edge xhci_hcd |
| 3145731-edge xhci_hcd |
i65 |
derive |
|
|
Interrupt 65, for device(s): 3145731-edge xhci_hcd |
| 3145732-edge xhci_hcd |
i66 |
derive |
|
|
Interrupt 66, for device(s): 3145732-edge xhci_hcd |
| 3145733-edge xhci_hcd |
i67 |
derive |
|
|
Interrupt 67, for device(s): 3145733-edge xhci_hcd |
| 3145734-edge xhci_hcd |
i68 |
derive |
|
|
Interrupt 68, for device(s): 3145734-edge xhci_hcd |
| 3145735-edge xhci_hcd |
i69 |
derive |
|
|
Interrupt 69, for device(s): 3145735-edge xhci_hcd |
| 4720640-edge snd_hda_intel:card1 |
i71 |
derive |
|
|
Interrupt 71, for device(s): 4720640-edge snd_hda_intel:card1 |
| 4718592-edge radeon |
i73 |
derive |
|
|
Interrupt 73, for device(s): 4718592-edge radeon |
| 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 |
