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 |
| hpet2 |
i120 |
derive |
|
|
Interrupt 120, for device(s): hpet2 |
| hpet3 |
i121 |
derive |
|
|
Interrupt 121, for device(s): hpet3 |
| hpet4 |
i122 |
derive |
|
|
Interrupt 122, for device(s): hpet4 |
| hpet5 |
i123 |
derive |
|
|
Interrupt 123, for device(s): hpet5 |
| hpet6 |
i124 |
derive |
|
|
Interrupt 124, for device(s): hpet6 |
| xhci_hcd |
i128 |
derive |
|
|
Interrupt 128, for device(s): xhci_hcd |
| ahci |
i129 |
derive |
|
|
Interrupt 129, for device(s): ahci |
| eth0-tx-0 |
i130 |
derive |
|
|
Interrupt 130, for device(s): eth0-tx-0 |
| eth0-rx-1 |
i131 |
derive |
|
|
Interrupt 131, for device(s): eth0-rx-1 |
| eth0-rx-2 |
i132 |
derive |
|
|
Interrupt 132, for device(s): eth0-rx-2 |
| eth0-rx-3 |
i133 |
derive |
|
|
Interrupt 133, for device(s): eth0-rx-3 |
| eth0-rx-4 |
i134 |
derive |
|
|
Interrupt 134, for device(s): eth0-rx-4 |
| eth1-tx-0 |
i135 |
derive |
|
|
Interrupt 135, for device(s): eth1-tx-0 |
| eth1-rx-1 |
i136 |
derive |
|
|
Interrupt 136, for device(s): eth1-rx-1 |
| eth1-rx-2 |
i137 |
derive |
|
|
Interrupt 137, for device(s): eth1-rx-2 |
| eth1-rx-3 |
i138 |
derive |
|
|
Interrupt 138, for device(s): eth1-rx-3 |
| eth1-rx-4 |
i139 |
derive |
|
|
Interrupt 139, 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 |
|
|
|
