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 |
| 23-fasteoi ehci_hcd:usb2 |
i23 |
derive |
|
|
Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb2 |
| 2621440-edge isci-msix |
i41 |
derive |
|
|
Interrupt 41, for device(s): 2621440-edge isci-msix |
| 2621441-edge isci-msix |
i42 |
derive |
|
|
Interrupt 42, for device(s): 2621441-edge isci-msix |
| 512000-edge ahci[0000:00:1f.2] |
i43 |
derive |
|
|
Interrupt 43, for device(s): 512000-edge ahci[0000:00:1f.2] |
| 68157440-edge mpt2sas0-msix0 |
i44 |
derive |
|
|
Interrupt 44, for device(s): 68157440-edge mpt2sas0-msix0 |
| 0-edge dmar0 |
i72 |
derive |
|
|
Interrupt 72, for device(s): 0-edge dmar0 |
| 1-edge dmar1 |
i73 |
derive |
|
|
Interrupt 73, for device(s): 1-edge dmar1 |
| 1572864-edge mlx4-async@pci:0000:03:00.0 |
i74 |
derive |
|
|
Interrupt 74, for device(s): 1572864-edge mlx4-async@pci:0000:03:00.0 |
| 1572865-edge mlx4-1@0000:03:00.0 |
i75 |
derive |
|
|
Interrupt 75, for device(s): 1572865-edge mlx4-1@0000:03:00.0 |
| 1572866-edge mlx4-2@0000:03:00.0 |
i76 |
derive |
|
|
Interrupt 76, for device(s): 1572866-edge mlx4-2@0000:03:00.0 |
| 1572867-edge mlx4-3@0000:03:00.0 |
i77 |
derive |
|
|
Interrupt 77, for device(s): 1572867-edge mlx4-3@0000:03:00.0 |
| 1572868-edge mlx4-4@0000:03:00.0 |
i78 |
derive |
|
|
Interrupt 78, for device(s): 1572868-edge mlx4-4@0000:03:00.0 |
| 1572869-edge mlx4-5@0000:03:00.0 |
i79 |
derive |
|
|
Interrupt 79, for device(s): 1572869-edge mlx4-5@0000:03:00.0 |
| 1572870-edge mlx4-6@0000:03:00.0 |
i80 |
derive |
|
|
Interrupt 80, for device(s): 1572870-edge mlx4-6@0000:03:00.0 |
| 1572871-edge mlx4-7@0000:03:00.0 |
i81 |
derive |
|
|
Interrupt 81, for device(s): 1572871-edge mlx4-7@0000:03:00.0 |
| 1572872-edge mlx4-8@0000:03:00.0 |
i82 |
derive |
|
|
Interrupt 82, for device(s): 1572872-edge mlx4-8@0000:03:00.0 |
| 65536-edge ioat-msix |
i116 |
derive |
|
|
Interrupt 116, for device(s): 65536-edge ioat-msix |
| 67584-edge ioat-msix |
i118 |
derive |
|
|
Interrupt 118, for device(s): 67584-edge ioat-msix |
| 69632-edge ioat-msix |
i119 |
derive |
|
|
Interrupt 119, for device(s): 69632-edge ioat-msix |
| 71680-edge ioat-msix |
i120 |
derive |
|
|
Interrupt 120, for device(s): 71680-edge ioat-msix |
| 73728-edge ioat-msix |
i121 |
derive |
|
|
Interrupt 121, for device(s): 73728-edge ioat-msix |
| 75776-edge ioat-msix |
i122 |
derive |
|
|
Interrupt 122, for device(s): 75776-edge ioat-msix |
| 77824-edge ioat-msix |
i123 |
derive |
|
|
Interrupt 123, for device(s): 77824-edge ioat-msix |
| 79872-edge ioat-msix |
i124 |
derive |
|
|
Interrupt 124, for device(s): 79872-edge ioat-msix |
| 67174400-edge ioat-msix |
i126 |
derive |
|
|
Interrupt 126, for device(s): 67174400-edge ioat-msix |
| 67176448-edge ioat-msix |
i128 |
derive |
|
|
Interrupt 128, for device(s): 67176448-edge ioat-msix |
| 67178496-edge ioat-msix |
i129 |
derive |
|
|
Interrupt 129, for device(s): 67178496-edge ioat-msix |
| 67180544-edge ioat-msix |
i130 |
derive |
|
|
Interrupt 130, for device(s): 67180544-edge ioat-msix |
| 67182592-edge ioat-msix |
i131 |
derive |
|
|
Interrupt 131, for device(s): 67182592-edge ioat-msix |
| 67184640-edge ioat-msix |
i132 |
derive |
|
|
Interrupt 132, for device(s): 67184640-edge ioat-msix |
| 67186688-edge ioat-msix |
i133 |
derive |
|
|
Interrupt 133, for device(s): 67186688-edge ioat-msix |
| 67188736-edge ioat-msix |
i134 |
derive |
|
|
Interrupt 134, for device(s): 67188736-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 |
| Posted-interrupt wakeup event |
iPIW |
derive |
|
|
Interrupt PIW, for device(s): Posted-interrupt wakeup event |
