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 |
| timer |
i0 |
derive |
|
|
Interrupt 0, for device(s): timer |
| rtc0 |
i8 |
derive |
|
|
Interrupt 8, for device(s): rtc0 |
| acpi |
i9 |
derive |
|
|
Interrupt 9, for device(s): acpi |
| ioc0 |
i16 |
derive |
|
|
Interrupt 16, for device(s): ioc0 |
| uhci_hcd:usb3, ata_piix |
i17 |
derive |
|
|
Interrupt 17, for device(s): uhci_hcd:usb3, ata_piix |
| uhci_hcd:usb4 |
i18 |
derive |
|
|
Interrupt 18, for device(s): uhci_hcd:usb4 |
| ehci_hcd:usb1 |
i19 |
derive |
|
|
Interrupt 19, for device(s): ehci_hcd:usb1 |
| uhci_hcd:usb6 |
i20 |
derive |
|
|
Interrupt 20, for device(s): uhci_hcd:usb6 |
| ehci_hcd:usb2, uhci_hcd:usb5, uhci_hcd:usb7 |
i21 |
derive |
|
|
Interrupt 21, for device(s): ehci_hcd:usb2, uhci_hcd:usb5, uhci_hcd:usb7 |
| PCIe PME |
i25 |
derive |
|
|
Interrupt 25, for device(s): PCIe PME |
| PCIe PME |
i26 |
derive |
|
|
Interrupt 26, for device(s): PCIe PME |
| PCIe PME |
i27 |
derive |
|
|
Interrupt 27, for device(s): PCIe PME |
| PCIe PME |
i28 |
derive |
|
|
Interrupt 28, for device(s): PCIe PME |
| PCIe PME |
i29 |
derive |
|
|
Interrupt 29, for device(s): PCIe PME |
| qla2xxx0_default |
i33 |
derive |
|
|
Interrupt 33, for device(s): qla2xxx0_default |
| qla2xxx0_rsp_q |
i34 |
derive |
|
|
Interrupt 34, for device(s): qla2xxx0_rsp_q |
| qla2xxx3_default |
i36 |
derive |
|
|
Interrupt 36, for device(s): qla2xxx3_default |
| qla2xxx3_rsp_q |
i37 |
derive |
|
|
Interrupt 37, for device(s): qla2xxx3_rsp_q |
| em1-0 |
i38 |
derive |
|
|
Interrupt 38, for device(s): em1-0 |
| em1-1 |
i39 |
derive |
|
|
Interrupt 39, for device(s): em1-1 |
| em1-2 |
i40 |
derive |
|
|
Interrupt 40, for device(s): em1-2 |
| em1-3 |
i41 |
derive |
|
|
Interrupt 41, for device(s): em1-3 |
| em1-4 |
i42 |
derive |
|
|
Interrupt 42, for device(s): em1-4 |
| em1-5 |
i43 |
derive |
|
|
Interrupt 43, for device(s): em1-5 |
| em1-6 |
i44 |
derive |
|
|
Interrupt 44, for device(s): em1-6 |
| em1-7 |
i45 |
derive |
|
|
Interrupt 45, for device(s): em1-7 |
| em2-0 |
i47 |
derive |
|
|
Interrupt 47, for device(s): em2-0 |
| em2-1 |
i48 |
derive |
|
|
Interrupt 48, for device(s): em2-1 |
| em2-2 |
i49 |
derive |
|
|
Interrupt 49, for device(s): em2-2 |
| em2-3 |
i50 |
derive |
|
|
Interrupt 50, for device(s): em2-3 |
| em2-4 |
i51 |
derive |
|
|
Interrupt 51, for device(s): em2-4 |
| em2-5 |
i52 |
derive |
|
|
Interrupt 52, for device(s): em2-5 |
| em2-6 |
i53 |
derive |
|
|
Interrupt 53, for device(s): em2-6 |
| em2-7 |
i54 |
derive |
|
|
Interrupt 54, for device(s): em2-7 |
| 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 |
