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 |
| i8042 |
i1 |
derive |
|
|
Interrupt 1, for device(s): i8042 |
| rtc0 |
i8 |
derive |
|
|
Interrupt 8, for device(s): rtc0 |
| acpi |
i9 |
derive |
|
|
Interrupt 9, for device(s): acpi |
| i8042 |
i12 |
derive |
|
|
Interrupt 12, for device(s): i8042 |
| ehci_hcd:usb1 |
i16 |
derive |
|
|
Interrupt 16, for device(s): ehci_hcd:usb1 |
| 3w-xxxx |
i17 |
derive |
|
|
Interrupt 17, for device(s): 3w-xxxx |
| i801_smbus |
i18 |
derive |
|
|
Interrupt 18, for device(s): i801_smbus |
| ehci_hcd:usb2 |
i23 |
derive |
|
|
Interrupt 23, for device(s): ehci_hcd:usb2 |
| aerdrv, PCIe PME |
i40 |
derive |
|
|
Interrupt 40, for device(s): aerdrv, PCIe PME |
| aerdrv, PCIe PME |
i41 |
derive |
|
|
Interrupt 41, for device(s): aerdrv, PCIe PME |
| PCIe PME, pciehp |
i42 |
derive |
|
|
Interrupt 42, for device(s): PCIe PME, pciehp |
| PCIe PME |
i43 |
derive |
|
|
Interrupt 43, for device(s): PCIe PME |
| PCIe PME |
i44 |
derive |
|
|
Interrupt 44, for device(s): PCIe PME |
| eth0-rx-0 |
i48 |
derive |
|
|
Interrupt 48, for device(s): eth0-rx-0 |
| eth0-tx-0 |
i49 |
derive |
|
|
Interrupt 49, for device(s): eth0-tx-0 |
| eth0 |
i50 |
derive |
|
|
Interrupt 50, for device(s): eth0 |
| 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 |
| 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 |
| Hypervisor callback interrupts |
iHYP |
derive |
|
|
Interrupt HYP, for device(s): Hypervisor callback interrupts |
| ERR |
iERR |
derive |
|
|
|
| MIS |
iMIS |
derive |
|
|
|
