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 |
| serial |
i3 |
derive |
|
|
Interrupt 3, for device(s): serial |
| rtc0 |
i8 |
derive |
|
|
Interrupt 8, for device(s): rtc0 |
| acpi |
i9 |
derive |
|
|
Interrupt 9, for device(s): acpi |
| ehci_hcd:usb1, ehci_hcd:usb2 |
i22 |
derive |
|
|
Interrupt 22, for device(s): ehci_hcd:usb1, ehci_hcd:usb2 |
| hpet2 |
i40 |
derive |
|
|
Interrupt 40, for device(s): hpet2 |
| hpet3 |
i41 |
derive |
|
|
Interrupt 41, for device(s): hpet3 |
| hpet4 |
i42 |
derive |
|
|
Interrupt 42, for device(s): hpet4 |
| hpet5 |
i43 |
derive |
|
|
Interrupt 43, for device(s): hpet5 |
| hpet6 |
i44 |
derive |
|
|
Interrupt 44, for device(s): hpet6 |
| PCIe PME |
i45 |
derive |
|
|
Interrupt 45, for device(s): PCIe PME |
| PCIe PME |
i46 |
derive |
|
|
Interrupt 46, for device(s): PCIe PME |
| ahci |
i47 |
derive |
|
|
Interrupt 47, for device(s): ahci |
| eth0-0 |
i48 |
derive |
|
|
Interrupt 48, for device(s): eth0-0 |
| eth0-1 |
i49 |
derive |
|
|
Interrupt 49, for device(s): eth0-1 |
| eth0-2 |
i50 |
derive |
|
|
Interrupt 50, for device(s): eth0-2 |
| eth0-3 |
i51 |
derive |
|
|
Interrupt 51, for device(s): eth0-3 |
| eth0-4 |
i52 |
derive |
|
|
Interrupt 52, for device(s): eth0-4 |
| eth0-5 |
i53 |
derive |
|
|
Interrupt 53, for device(s): eth0-5 |
| eth0-6 |
i54 |
derive |
|
|
Interrupt 54, for device(s): eth0-6 |
| eth0-7 |
i55 |
derive |
|
|
Interrupt 55, for device(s): eth0-7 |
| eth1-0 |
i57 |
derive |
|
|
Interrupt 57, for device(s): eth1-0 |
| eth1-1 |
i58 |
derive |
|
|
Interrupt 58, for device(s): eth1-1 |
| eth1-2 |
i59 |
derive |
|
|
Interrupt 59, for device(s): eth1-2 |
| eth1-3 |
i60 |
derive |
|
|
Interrupt 60, for device(s): eth1-3 |
| eth1-4 |
i61 |
derive |
|
|
Interrupt 61, for device(s): eth1-4 |
| eth1-5 |
i62 |
derive |
|
|
Interrupt 62, for device(s): eth1-5 |
| eth1-6 |
i63 |
derive |
|
|
Interrupt 63, for device(s): eth1-6 |
| eth1-7 |
i64 |
derive |
|
|
Interrupt 64, for device(s): eth1-7 |
| 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 |
| 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 |
|
|
|
