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 i801_smbus, ehci_hcd:usb1, ehci_hcd:usb3 |
| 16384-edge PCIe PME |
i25 |
derive |
|
|
Interrupt 25, for device(s): 16384-edge PCIe PME |
| 32768-edge PCIe PME |
i27 |
derive |
|
|
Interrupt 27, for device(s): 32768-edge PCIe PME |
| 36864-edge PCIe PME |
i28 |
derive |
|
|
Interrupt 28, for device(s): 36864-edge PCIe PME |
| 49152-edge PCIe PME |
i30 |
derive |
|
|
Interrupt 30, for device(s): 49152-edge PCIe PME |
| 458752-edge PCIe PME |
i31 |
derive |
|
|
Interrupt 31, for device(s): 458752-edge PCIe PME |
| 462848-edge PCIe PME |
i32 |
derive |
|
|
Interrupt 32, for device(s): 462848-edge PCIe PME |
| 327680-edge xhci_hcd |
i34 |
derive |
|
|
Interrupt 34, for device(s): 327680-edge xhci_hcd |
| 1572864-edge mpt2sas0-msix0 |
i35 |
derive |
|
|
Interrupt 35, for device(s): 1572864-edge mpt2sas0-msix0 |
| 524288-edge enp1s0f0-TxRx-0 |
i36 |
derive |
|
|
Interrupt 36, for device(s): 524288-edge enp1s0f0-TxRx-0 |
| 524289-edge enp1s0f0-TxRx-1 |
i37 |
derive |
|
|
Interrupt 37, for device(s): 524289-edge enp1s0f0-TxRx-1 |
| 524290-edge enp1s0f0-TxRx-2 |
i38 |
derive |
|
|
Interrupt 38, for device(s): 524290-edge enp1s0f0-TxRx-2 |
| 524291-edge enp1s0f0-TxRx-3 |
i39 |
derive |
|
|
Interrupt 39, for device(s): 524291-edge enp1s0f0-TxRx-3 |
| 524292-edge enp1s0f0-TxRx-4 |
i40 |
derive |
|
|
Interrupt 40, for device(s): 524292-edge enp1s0f0-TxRx-4 |
| 524293-edge enp1s0f0-TxRx-5 |
i41 |
derive |
|
|
Interrupt 41, for device(s): 524293-edge enp1s0f0-TxRx-5 |
| 524294-edge enp1s0f0-TxRx-6 |
i42 |
derive |
|
|
Interrupt 42, for device(s): 524294-edge enp1s0f0-TxRx-6 |
| 524295-edge enp1s0f0-TxRx-7 |
i43 |
derive |
|
|
Interrupt 43, for device(s): 524295-edge enp1s0f0-TxRx-7 |
| 524296-edge enp1s0f0-TxRx-8 |
i44 |
derive |
|
|
Interrupt 44, for device(s): 524296-edge enp1s0f0-TxRx-8 |
| 524297-edge enp1s0f0-TxRx-9 |
i45 |
derive |
|
|
Interrupt 45, for device(s): 524297-edge enp1s0f0-TxRx-9 |
| 524298-edge enp1s0f0-TxRx-10 |
i46 |
derive |
|
|
Interrupt 46, for device(s): 524298-edge enp1s0f0-TxRx-10 |
| 524299-edge enp1s0f0-TxRx-11 |
i47 |
derive |
|
|
Interrupt 47, for device(s): 524299-edge enp1s0f0-TxRx-11 |
| 0-edge dmar0 |
i48 |
derive |
|
|
Interrupt 48, for device(s): 0-edge dmar0 |
| 524300-edge enp1s0f0-TxRx-12 |
i49 |
derive |
|
|
Interrupt 49, for device(s): 524300-edge enp1s0f0-TxRx-12 |
| 524301-edge enp1s0f0-TxRx-13 |
i50 |
derive |
|
|
Interrupt 50, for device(s): 524301-edge enp1s0f0-TxRx-13 |
| 524302-edge enp1s0f0-TxRx-14 |
i51 |
derive |
|
|
Interrupt 51, for device(s): 524302-edge enp1s0f0-TxRx-14 |
| 524303-edge enp1s0f0-TxRx-15 |
i52 |
derive |
|
|
Interrupt 52, for device(s): 524303-edge enp1s0f0-TxRx-15 |
| 524304-edge enp1s0f0 |
i53 |
derive |
|
|
Interrupt 53, for device(s): 524304-edge enp1s0f0 |
| 65536-edge ioat-msix |
i108 |
derive |
|
|
Interrupt 108, for device(s): 65536-edge ioat-msix |
| 67584-edge ioat-msix |
i110 |
derive |
|
|
Interrupt 110, for device(s): 67584-edge ioat-msix |
| 69632-edge ioat-msix |
i111 |
derive |
|
|
Interrupt 111, for device(s): 69632-edge ioat-msix |
| 71680-edge ioat-msix |
i112 |
derive |
|
|
Interrupt 112, for device(s): 71680-edge ioat-msix |
| 73728-edge ioat-msix |
i113 |
derive |
|
|
Interrupt 113, for device(s): 73728-edge ioat-msix |
| 75776-edge ioat-msix |
i114 |
derive |
|
|
Interrupt 114, for device(s): 75776-edge ioat-msix |
| 77824-edge ioat-msix |
i115 |
derive |
|
|
Interrupt 115, for device(s): 77824-edge ioat-msix |
| 79872-edge ioat-msix |
i116 |
derive |
|
|
Interrupt 116, for device(s): 79872-edge ioat-msix |
| 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 |
