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 |
| 2-edge timer |
i0 |
derive |
|
|
Interrupt 0, for device(s): 2-edge timer |
| 5-edge parport0 |
i5 |
derive |
|
|
Interrupt 5, for device(s): 5-edge parport0 |
| 8-edge rtc0 |
i8 |
derive |
|
|
Interrupt 8, for device(s): 8-edge rtc0 |
| 9-fasteoi acpi |
i9 |
derive |
|
|
Interrupt 9, for device(s): 9-fasteoi acpi |
| 16-fasteoi i801_smbus |
i16 |
derive |
|
|
Interrupt 16, for device(s): 16-fasteoi i801_smbus |
| 0-edge dmar0 |
i120 |
derive |
|
|
Interrupt 120, for device(s): 0-edge dmar0 |
| 1-edge dmar1 |
i121 |
derive |
|
|
Interrupt 121, for device(s): 1-edge dmar1 |
| 0-edge ahci[0000:00:17.0] |
i132 |
derive |
|
|
Interrupt 132, for device(s): 0-edge ahci[0000:00:17.0] |
| 0-edge nvme0q0 |
i133 |
derive |
|
|
Interrupt 133, for device(s): 0-edge nvme0q0 |
| 0-edge nvme1q0 |
i134 |
derive |
|
|
Interrupt 134, for device(s): 0-edge nvme1q0 |
| 0-edge xhci_hcd |
i135 |
derive |
|
|
Interrupt 135, for device(s): 0-edge xhci_hcd |
| 1-edge nvme1q1 |
i140 |
derive |
|
|
Interrupt 140, for device(s): 1-edge nvme1q1 |
| 2-edge nvme1q2 |
i141 |
derive |
|
|
Interrupt 141, for device(s): 2-edge nvme1q2 |
| 3-edge nvme1q3 |
i142 |
derive |
|
|
Interrupt 142, for device(s): 3-edge nvme1q3 |
| 4-edge nvme1q4 |
i143 |
derive |
|
|
Interrupt 143, for device(s): 4-edge nvme1q4 |
| 1-edge nvme0q1 |
i144 |
derive |
|
|
Interrupt 144, for device(s): 1-edge nvme0q1 |
| 2-edge nvme0q2 |
i145 |
derive |
|
|
Interrupt 145, for device(s): 2-edge nvme0q2 |
| 3-edge nvme0q3 |
i146 |
derive |
|
|
Interrupt 146, for device(s): 3-edge nvme0q3 |
| 4-edge nvme0q4 |
i147 |
derive |
|
|
Interrupt 147, for device(s): 4-edge nvme0q4 |
| 0-edge enp3s0 |
i148 |
derive |
|
|
Interrupt 148, for device(s): 0-edge enp3s0 |
| 0-edge mei_me |
i149 |
derive |
|
|
Interrupt 149, for device(s): 0-edge mei_me |
| 0-edge i915 |
i150 |
derive |
|
|
Interrupt 150, for device(s): 0-edge i915 |
| 0-edge snd_hda_intel:card0 |
i151 |
derive |
|
|
Interrupt 151, for device(s): 0-edge snd_hda_intel:card0 |
| 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 |
