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 ehci_hcd:usb1 |
i16 |
derive |
|
|
Interrupt 16, for device(s): 16-fasteoi ehci_hcd:usb1 |
| 18-fasteoi i801_smbus |
i18 |
derive |
|
|
Interrupt 18, for device(s): 18-fasteoi i801_smbus |
| 22-fasteoi ehci_hcd:usb2 |
i22 |
derive |
|
|
Interrupt 22, for device(s): 22-fasteoi ehci_hcd:usb2 |
| 0-edge dmar0 |
i24 |
derive |
|
|
Interrupt 24, for device(s): 0-edge dmar0 |
| 327680-edge xhci_hcd |
i30 |
derive |
|
|
Interrupt 30, for device(s): 327680-edge xhci_hcd |
| 512000-edge ahci[0000:00:1f.2] |
i31 |
derive |
|
|
Interrupt 31, for device(s): 512000-edge ahci[0000:00:1f.2] |
| 1048576-edge mpt2sas0-msix0 |
i42 |
derive |
|
|
Interrupt 42, for device(s): 1048576-edge mpt2sas0-msix0 |
| 1048577-edge mpt2sas0-msix1 |
i43 |
derive |
|
|
Interrupt 43, for device(s): 1048577-edge mpt2sas0-msix1 |
| 1048578-edge mpt2sas0-msix2 |
i44 |
derive |
|
|
Interrupt 44, for device(s): 1048578-edge mpt2sas0-msix2 |
| 1048579-edge mpt2sas0-msix3 |
i45 |
derive |
|
|
Interrupt 45, for device(s): 1048579-edge mpt2sas0-msix3 |
| 1048580-edge mpt2sas0-msix4 |
i46 |
derive |
|
|
Interrupt 46, for device(s): 1048580-edge mpt2sas0-msix4 |
| 1048581-edge mpt2sas0-msix5 |
i47 |
derive |
|
|
Interrupt 47, for device(s): 1048581-edge mpt2sas0-msix5 |
| 1048582-edge mpt2sas0-msix6 |
i48 |
derive |
|
|
Interrupt 48, for device(s): 1048582-edge mpt2sas0-msix6 |
| 1048583-edge mpt2sas0-msix7 |
i49 |
derive |
|
|
Interrupt 49, for device(s): 1048583-edge mpt2sas0-msix7 |
| 526336-edge enp1s0f1-TxRx-0 |
i59 |
derive |
|
|
Interrupt 59, for device(s): 526336-edge enp1s0f1-TxRx-0 |
| 526337-edge enp1s0f1-TxRx-1 |
i60 |
derive |
|
|
Interrupt 60, for device(s): 526337-edge enp1s0f1-TxRx-1 |
| 526338-edge enp1s0f1-TxRx-2 |
i61 |
derive |
|
|
Interrupt 61, for device(s): 526338-edge enp1s0f1-TxRx-2 |
| 526339-edge enp1s0f1-TxRx-3 |
i62 |
derive |
|
|
Interrupt 62, for device(s): 526339-edge enp1s0f1-TxRx-3 |
| 526340-edge enp1s0f1-TxRx-4 |
i63 |
derive |
|
|
Interrupt 63, for device(s): 526340-edge enp1s0f1-TxRx-4 |
| 526341-edge enp1s0f1-TxRx-5 |
i64 |
derive |
|
|
Interrupt 64, for device(s): 526341-edge enp1s0f1-TxRx-5 |
| 526342-edge enp1s0f1-TxRx-6 |
i65 |
derive |
|
|
Interrupt 65, for device(s): 526342-edge enp1s0f1-TxRx-6 |
| 526343-edge enp1s0f1-TxRx-7 |
i66 |
derive |
|
|
Interrupt 66, for device(s): 526343-edge enp1s0f1-TxRx-7 |
| 526344-edge enp1s0f1 |
i67 |
derive |
|
|
Interrupt 67, for device(s): 526344-edge enp1s0f1 |
| 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 |
