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 |
| 1-edge i8042 |
i1 |
derive |
|
|
Interrupt 1, for device(s): 1-edge i8042 |
| 3-edge ttyS1 |
i3 |
derive |
|
|
Interrupt 3, for device(s): 3-edge ttyS1 |
| 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 |
| 12-edge i8042 |
i12 |
derive |
|
|
Interrupt 12, for device(s): 12-edge i8042 |
| 16-fasteoi hpilo |
i16 |
derive |
|
|
Interrupt 16, for device(s): 16-fasteoi hpilo |
| 20-fasteoi ehci_hcd:usb2 |
i20 |
derive |
|
|
Interrupt 20, for device(s): 20-fasteoi ehci_hcd:usb2 |
| 21-fasteoi ehci_hcd:usb1 |
i21 |
derive |
|
|
Interrupt 21, for device(s): 21-fasteoi ehci_hcd:usb1 |
| 0-edge dmar0 |
i24 |
derive |
|
|
Interrupt 24, for device(s): 0-edge dmar0 |
| 1-edge dmar1 |
i25 |
derive |
|
|
Interrupt 25, for device(s): 1-edge dmar1 |
| 0-edge PCIe bwctrl |
i27 |
derive |
|
|
Interrupt 27, for device(s): 0-edge PCIe bwctrl |
| 0-edge PCIe bwctrl |
i28 |
derive |
|
|
Interrupt 28, for device(s): 0-edge PCIe bwctrl |
| 0-edge PCIe bwctrl |
i29 |
derive |
|
|
Interrupt 29, for device(s): 0-edge PCIe bwctrl |
| 0-edge PCIe bwctrl |
i30 |
derive |
|
|
Interrupt 30, for device(s): 0-edge PCIe bwctrl |
| 0-edge PCIe bwctrl |
i32 |
derive |
|
|
Interrupt 32, for device(s): 0-edge PCIe bwctrl |
| 0-edge PCIe bwctrl |
i33 |
derive |
|
|
Interrupt 33, for device(s): 0-edge PCIe bwctrl |
| 0-edge PCIe bwctrl |
i34 |
derive |
|
|
Interrupt 34, for device(s): 0-edge PCIe bwctrl |
| 0-edge PCIe bwctrl |
i35 |
derive |
|
|
Interrupt 35, for device(s): 0-edge PCIe bwctrl |
| 0-edge ioat-msix |
i37 |
derive |
|
|
Interrupt 37, for device(s): 0-edge ioat-msix |
| 0-edge hpsa0-msix0 |
i38 |
derive |
|
|
Interrupt 38, for device(s): 0-edge hpsa0-msix0 |
| 1-edge hpsa0-msix1 |
i39 |
derive |
|
|
Interrupt 39, for device(s): 1-edge hpsa0-msix1 |
| 2-edge hpsa0-msix2 |
i40 |
derive |
|
|
Interrupt 40, for device(s): 2-edge hpsa0-msix2 |
| 3-edge hpsa0-msix3 |
i41 |
derive |
|
|
Interrupt 41, for device(s): 3-edge hpsa0-msix3 |
| 4-edge hpsa0-msix4 |
i42 |
derive |
|
|
Interrupt 42, for device(s): 4-edge hpsa0-msix4 |
| 5-edge hpsa0-msix5 |
i43 |
derive |
|
|
Interrupt 43, for device(s): 5-edge hpsa0-msix5 |
| 6-edge hpsa0-msix6 |
i44 |
derive |
|
|
Interrupt 44, for device(s): 6-edge hpsa0-msix6 |
| 7-edge hpsa0-msix7 |
i45 |
derive |
|
|
Interrupt 45, for device(s): 7-edge hpsa0-msix7 |
| 8-edge hpsa0-msix8 |
i46 |
derive |
|
|
Interrupt 46, for device(s): 8-edge hpsa0-msix8 |
| 9-edge hpsa0-msix9 |
i47 |
derive |
|
|
Interrupt 47, for device(s): 9-edge hpsa0-msix9 |
| 10-edge hpsa0-msix10 |
i48 |
derive |
|
|
Interrupt 48, for device(s): 10-edge hpsa0-msix10 |
| 11-edge hpsa0-msix11 |
i49 |
derive |
|
|
Interrupt 49, for device(s): 11-edge hpsa0-msix11 |
| 0-edge ioat-msix |
i61 |
derive |
|
|
Interrupt 61, for device(s): 0-edge ioat-msix |
| 0-edge uhci_hcd:usb3 |
i62 |
derive |
|
|
Interrupt 62, for device(s): 0-edge uhci_hcd:usb3 |
| 0-edge ahci[0000:00:1f.2] |
i63 |
derive |
|
|
Interrupt 63, for device(s): 0-edge ahci[0000:00:1f.2] |
| 0-edge ioat-msix |
i64 |
derive |
|
|
Interrupt 64, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i65 |
derive |
|
|
Interrupt 65, for device(s): 0-edge ioat-msix |
| 0-edge eno2 |
i66 |
derive |
|
|
Interrupt 66, for device(s): 0-edge eno2 |
| 1-edge eno2-TxRx-0 |
i67 |
derive |
|
|
Interrupt 67, for device(s): 1-edge eno2-TxRx-0 |
| 2-edge eno2-TxRx-1 |
i68 |
derive |
|
|
Interrupt 68, for device(s): 2-edge eno2-TxRx-1 |
| 3-edge eno2-TxRx-2 |
i69 |
derive |
|
|
Interrupt 69, for device(s): 3-edge eno2-TxRx-2 |
| 4-edge eno2-TxRx-3 |
i70 |
derive |
|
|
Interrupt 70, for device(s): 4-edge eno2-TxRx-3 |
| 5-edge eno2-TxRx-4 |
i71 |
derive |
|
|
Interrupt 71, for device(s): 5-edge eno2-TxRx-4 |
| 6-edge eno2-TxRx-5 |
i72 |
derive |
|
|
Interrupt 72, for device(s): 6-edge eno2-TxRx-5 |
| 7-edge eno2-TxRx-6 |
i73 |
derive |
|
|
Interrupt 73, for device(s): 7-edge eno2-TxRx-6 |
| 8-edge eno2-TxRx-7 |
i74 |
derive |
|
|
Interrupt 74, for device(s): 8-edge eno2-TxRx-7 |
| 0-edge ioat-msix |
i75 |
derive |
|
|
Interrupt 75, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i76 |
derive |
|
|
Interrupt 76, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i77 |
derive |
|
|
Interrupt 77, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i78 |
derive |
|
|
Interrupt 78, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i81 |
derive |
|
|
Interrupt 81, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i91 |
derive |
|
|
Interrupt 91, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i101 |
derive |
|
|
Interrupt 101, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i102 |
derive |
|
|
Interrupt 102, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i103 |
derive |
|
|
Interrupt 103, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i104 |
derive |
|
|
Interrupt 104, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i105 |
derive |
|
|
Interrupt 105, for device(s): 0-edge ioat-msix |
| 0-edge ioat-msix |
i106 |
derive |
|
|
Interrupt 106, for device(s): 0-edge ioat-msix |
| 0-edge mlx4-async@pci:0000:08:00.0 |
i107 |
derive |
|
|
Interrupt 107, for device(s): 0-edge mlx4-async@pci:0000:08:00.0 |
| 1-edge mlx4-1@0000:08:00.0 |
i108 |
derive |
|
|
Interrupt 108, for device(s): 1-edge mlx4-1@0000:08:00.0 |
| 2-edge mlx4-2@0000:08:00.0 |
i109 |
derive |
|
|
Interrupt 109, for device(s): 2-edge mlx4-2@0000:08:00.0 |
| 3-edge mlx4-3@0000:08:00.0 |
i110 |
derive |
|
|
Interrupt 110, for device(s): 3-edge mlx4-3@0000:08:00.0 |
| 4-edge mlx4-4@0000:08:00.0 |
i111 |
derive |
|
|
Interrupt 111, for device(s): 4-edge mlx4-4@0000:08:00.0 |
| 5-edge mlx4-5@0000:08:00.0 |
i112 |
derive |
|
|
Interrupt 112, for device(s): 5-edge mlx4-5@0000:08:00.0 |
| 6-edge mlx4-6@0000:08:00.0 |
i113 |
derive |
|
|
Interrupt 113, for device(s): 6-edge mlx4-6@0000:08:00.0 |
| 7-edge mlx4-7@0000:08:00.0 |
i114 |
derive |
|
|
Interrupt 114, for device(s): 7-edge mlx4-7@0000:08:00.0 |
| 8-edge mlx4-8@0000:08:00.0 |
i115 |
derive |
|
|
Interrupt 115, for device(s): 8-edge mlx4-8@0000:08:00.0 |
| 9-edge mlx4-9@0000:08:00.0 |
i116 |
derive |
|
|
Interrupt 116, for device(s): 9-edge mlx4-9@0000:08:00.0 |
| 10-edge mlx4-10@0000:08:00.0 |
i117 |
derive |
|
|
Interrupt 117, for device(s): 10-edge mlx4-10@0000:08:00.0 |
| 11-edge mlx4-11@0000:08:00.0 |
i118 |
derive |
|
|
Interrupt 118, for device(s): 11-edge mlx4-11@0000:08:00.0 |
| 12-edge mlx4-12@0000:08:00.0 |
i119 |
derive |
|
|
Interrupt 119, for device(s): 12-edge mlx4-12@0000:08:00.0 |
| 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 |
