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 |
| ipmi_si |
i10 |
derive |
|
|
Interrupt 10, for device(s): ipmi_si |
| ehci_hcd:usb2 |
i22 |
derive |
|
|
Interrupt 22, for device(s): ehci_hcd:usb2 |
| ehci_hcd:usb1 |
i23 |
derive |
|
|
Interrupt 23, for device(s): ehci_hcd:usb1 |
| dmar0 |
i56 |
derive |
|
|
Interrupt 56, for device(s): dmar0 |
| hpet2 |
i57 |
derive |
|
|
Interrupt 57, for device(s): hpet2 |
| hpet3 |
i58 |
derive |
|
|
Interrupt 58, for device(s): hpet3 |
| hpet4 |
i59 |
derive |
|
|
Interrupt 59, for device(s): hpet4 |
| hpet5 |
i60 |
derive |
|
|
Interrupt 60, for device(s): hpet5 |
| hpet6 |
i61 |
derive |
|
|
Interrupt 61, for device(s): hpet6 |
| ahci |
i68 |
derive |
|
|
Interrupt 68, for device(s): ahci |
| eth0-tx-0 |
i69 |
derive |
|
|
Interrupt 69, for device(s): eth0-tx-0 |
| eth0-rx-1 |
i70 |
derive |
|
|
Interrupt 70, for device(s): eth0-rx-1 |
| eth0-rx-2 |
i71 |
derive |
|
|
Interrupt 71, for device(s): eth0-rx-2 |
| eth0-rx-3 |
i72 |
derive |
|
|
Interrupt 72, for device(s): eth0-rx-3 |
| eth0-rx-4 |
i73 |
derive |
|
|
Interrupt 73, for device(s): eth0-rx-4 |
| eth1-tx-0 |
i74 |
derive |
|
|
Interrupt 74, for device(s): eth1-tx-0 |
| eth1-rx-1 |
i75 |
derive |
|
|
Interrupt 75, for device(s): eth1-rx-1 |
| eth1-rx-2 |
i76 |
derive |
|
|
Interrupt 76, for device(s): eth1-rx-2 |
| eth1-rx-3 |
i77 |
derive |
|
|
Interrupt 77, for device(s): eth1-rx-3 |
| eth1-rx-4 |
i78 |
derive |
|
|
Interrupt 78, for device(s): eth1-rx-4 |
| 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 |
| 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 |
| ERR |
iERR |
derive |
|
|
|
| MIS |
iMIS |
derive |
|
|
|
