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 |
| 1-edge i8042 |
i1 |
derive |
|
|
Interrupt 1, for device(s): 1-edge i8042 |
| 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 |
| 17-fasteoi snd_hda_intel:card1 |
i17 |
derive |
|
|
Interrupt 17, for device(s): 17-fasteoi snd_hda_intel:card1 |
| 0-edge dmar0 |
i120 |
derive |
|
|
Interrupt 120, for device(s): 0-edge dmar0 |
| 520192-edge enp0s31f6 |
i134 |
derive |
|
|
Interrupt 134, for device(s): 520192-edge enp0s31f6 |
| 327680-edge xhci_hcd |
i135 |
derive |
|
|
Interrupt 135, for device(s): 327680-edge xhci_hcd |
| 19398656-edge xhci_hcd |
i136 |
derive |
|
|
Interrupt 136, for device(s): 19398656-edge xhci_hcd |
| 376832-edge ahci[0000:00:17.0] |
i137 |
derive |
|
|
Interrupt 137, for device(s): 376832-edge ahci[0000:00:17.0] |
| 2097152-edge ahci[0000:04:00.0] |
i138 |
derive |
|
|
Interrupt 138, for device(s): 2097152-edge ahci[0000:04:00.0] |
| 524288-edge nvkm |
i139 |
derive |
|
|
Interrupt 139, for device(s): 524288-edge nvkm |
| 360448-edge mei_me |
i140 |
derive |
|
|
Interrupt 140, for device(s): 360448-edge mei_me |
| 514048-edge snd_hda_intel:card0 |
i141 |
derive |
|
|
Interrupt 141, for device(s): 514048-edge snd_hda_intel:card0 |
| 3670016-edge enp7s0 |
i142 |
derive |
|
|
Interrupt 142, for device(s): 3670016-edge enp7s0 |
| 3670017-edge enp7s0-TxRx-0 |
i143 |
derive |
|
|
Interrupt 143, for device(s): 3670017-edge enp7s0-TxRx-0 |
| 3670018-edge enp7s0-tx-1 |
i144 |
derive |
|
|
Interrupt 144, for device(s): 3670018-edge enp7s0-tx-1 |
| 3670019-edge enp7s0-tx-2 |
i145 |
derive |
|
|
Interrupt 145, for device(s): 3670019-edge enp7s0-tx-2 |
| 3670020-edge enp7s0-tx-3 |
i146 |
derive |
|
|
Interrupt 146, for device(s): 3670020-edge enp7s0-tx-3 |
| 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 |
