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 |
| 10-edge ipmi_si |
i10 |
derive |
|
|
Interrupt 10, for device(s): 10-edge ipmi_si |
| 16-fasteoi i801_smbus |
i16 |
derive |
|
|
Interrupt 16, for device(s): 16-fasteoi i801_smbus |
| 458752-edge PCIe PME, pciehp |
i24 |
derive |
|
|
Interrupt 24, for device(s): 458752-edge PCIe PME, pciehp |
| 466944-edge PCIe PME |
i25 |
derive |
|
|
Interrupt 25, for device(s): 466944-edge PCIe PME |
| 11534336-edge PCIe PME |
i27 |
derive |
|
|
Interrupt 27, for device(s): 11534336-edge PCIe PME |
| 11567104-edge PCIe PME |
i28 |
derive |
|
|
Interrupt 28, for device(s): 11567104-edge PCIe PME |
| 52428800-edge PCIe PME |
i30 |
derive |
|
|
Interrupt 30, for device(s): 52428800-edge PCIe PME |
| 288768-edge ahci[0000:00:11.5] |
i31 |
derive |
|
|
Interrupt 31, for device(s): 288768-edge ahci[0000:00:11.5] |
| 327680-edge xhci_hcd |
i32 |
derive |
|
|
Interrupt 32, for device(s): 327680-edge xhci_hcd |
| 12058624-edge megasas0-msix0 |
i34 |
derive |
|
|
Interrupt 34, for device(s): 12058624-edge megasas0-msix0 |
| 12058625-edge megasas0-msix1 |
i35 |
derive |
|
|
Interrupt 35, for device(s): 12058625-edge megasas0-msix1 |
| 12058626-edge megasas0-msix2 |
i36 |
derive |
|
|
Interrupt 36, for device(s): 12058626-edge megasas0-msix2 |
| 12058627-edge megasas0-msix3 |
i37 |
derive |
|
|
Interrupt 37, for device(s): 12058627-edge megasas0-msix3 |
| 12058628-edge megasas0-msix4 |
i38 |
derive |
|
|
Interrupt 38, for device(s): 12058628-edge megasas0-msix4 |
| 12058629-edge megasas0-msix5 |
i39 |
derive |
|
|
Interrupt 39, for device(s): 12058629-edge megasas0-msix5 |
| 12058630-edge megasas0-msix6 |
i40 |
derive |
|
|
Interrupt 40, for device(s): 12058630-edge megasas0-msix6 |
| 12058631-edge megasas0-msix7 |
i41 |
derive |
|
|
Interrupt 41, for device(s): 12058631-edge megasas0-msix7 |
| 12058632-edge megasas0-msix8 |
i42 |
derive |
|
|
Interrupt 42, for device(s): 12058632-edge megasas0-msix8 |
| 12058633-edge megasas0-msix9 |
i43 |
derive |
|
|
Interrupt 43, for device(s): 12058633-edge megasas0-msix9 |
| 12058634-edge megasas0-msix10 |
i44 |
derive |
|
|
Interrupt 44, for device(s): 12058634-edge megasas0-msix10 |
| 12058635-edge megasas0-msix11 |
i45 |
derive |
|
|
Interrupt 45, for device(s): 12058635-edge megasas0-msix11 |
| 12058636-edge megasas0-msix12 |
i46 |
derive |
|
|
Interrupt 46, for device(s): 12058636-edge megasas0-msix12 |
| 52953088-edge i40e-0000:65:00.0:misc |
i48 |
derive |
|
|
Interrupt 48, for device(s): 52953088-edge i40e-0000:65:00.0:misc |
| 2-edge dmar2 |
i56 |
derive |
|
|
Interrupt 56, for device(s): 2-edge dmar2 |
| 1-edge dmar1 |
i57 |
derive |
|
|
Interrupt 57, for device(s): 1-edge dmar1 |
| 0-edge dmar0 |
i58 |
derive |
|
|
Interrupt 58, for device(s): 0-edge dmar0 |
| 3-edge dmar3 |
i59 |
derive |
|
|
Interrupt 59, for device(s): 3-edge dmar3 |
| 65 |
i65 |
derive |
|
|
Interrupt 65, for device(s): 52953101-edge i40e-0000:65:00.0:fdir-TxRx-0 |
| 12582912-edge eno1 |
i75 |
derive |
|
|
Interrupt 75, for device(s): 12582912-edge eno1 |
| 12582913-edge eno1-TxRx-0 |
i76 |
derive |
|
|
Interrupt 76, for device(s): 12582913-edge eno1-TxRx-0 |
| 12582914-edge eno1-TxRx-1 |
i77 |
derive |
|
|
Interrupt 77, for device(s): 12582914-edge eno1-TxRx-1 |
| 12582915-edge eno1-TxRx-2 |
i78 |
derive |
|
|
Interrupt 78, for device(s): 12582915-edge eno1-TxRx-2 |
| 12582916-edge eno1-TxRx-3 |
i79 |
derive |
|
|
Interrupt 79, for device(s): 12582916-edge eno1-TxRx-3 |
| 12582917-edge eno1-TxRx-4 |
i80 |
derive |
|
|
Interrupt 80, for device(s): 12582917-edge eno1-TxRx-4 |
| 12582918-edge eno1-TxRx-5 |
i81 |
derive |
|
|
Interrupt 81, for device(s): 12582918-edge eno1-TxRx-5 |
| 12582919-edge eno1-TxRx-6 |
i82 |
derive |
|
|
Interrupt 82, for device(s): 12582919-edge eno1-TxRx-6 |
| 12582920-edge eno1-TxRx-7 |
i83 |
derive |
|
|
Interrupt 83, for device(s): 12582920-edge eno1-TxRx-7 |
| 376832-edge ahci[0000:00:17.0] |
i84 |
derive |
|
|
Interrupt 84, for device(s): 376832-edge ahci[0000:00:17.0] |
| 52955136-edge i40e-0000:65:00.1:misc |
i85 |
derive |
|
|
Interrupt 85, for device(s): 52955136-edge i40e-0000:65:00.1:misc |
| 98 |
i98 |
derive |
|
|
Interrupt 98, for device(s): 52955149-edge i40e-0000:65:00.1:fdir-TxRx-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 |
