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 |
| 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 |
| 10-edge ipmi_si |
i10 |
derive |
|
|
Interrupt 10, for device(s): 10-edge ipmi_si |
| 22-fasteoi ehci_hcd:usb2 |
i22 |
derive |
|
|
Interrupt 22, for device(s): 22-fasteoi ehci_hcd:usb2 |
| 23-fasteoi ehci_hcd:usb1 |
i23 |
derive |
|
|
Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb1 |
| 0-edge dmar0 |
i24 |
derive |
|
|
Interrupt 24, for device(s): 0-edge dmar0 |
| 1-edge dmar1 |
i25 |
derive |
|
|
Interrupt 25, for device(s): 1-edge dmar1 |
| 0-edge PCIe PME, aerdrv, PCIe bwctrl |
i27 |
derive |
|
|
Interrupt 27, for device(s): 0-edge PCIe PME, aerdrv, PCIe bwctrl |
| 0-edge PCIe PME, aerdrv, PCIe bwctrl |
i28 |
derive |
|
|
Interrupt 28, for device(s): 0-edge PCIe PME, aerdrv, PCIe bwctrl |
| 0-edge PCIe PME, aerdrv, PCIe bwctrl |
i29 |
derive |
|
|
Interrupt 29, for device(s): 0-edge PCIe PME, aerdrv, PCIe bwctrl |
| 0-edge PCIe PME, aerdrv |
i30 |
derive |
|
|
Interrupt 30, for device(s): 0-edge PCIe PME, aerdrv |
| 0-edge PCIe PME, aerdrv, PCIe bwctrl |
i31 |
derive |
|
|
Interrupt 31, for device(s): 0-edge PCIe PME, aerdrv, PCIe bwctrl |
| 0-edge PCIe PME, aerdrv |
i32 |
derive |
|
|
Interrupt 32, for device(s): 0-edge PCIe PME, aerdrv |
| 0-edge PCIe PME, aerdrv |
i33 |
derive |
|
|
Interrupt 33, for device(s): 0-edge PCIe PME, aerdrv |
| 0-edge PCIe PME, aerdrv |
i34 |
derive |
|
|
Interrupt 34, for device(s): 0-edge PCIe PME, aerdrv |
| 0-edge PCIe PME, aerdrv |
i35 |
derive |
|
|
Interrupt 35, for device(s): 0-edge PCIe PME, aerdrv |
| 0-edge PCIe PME, aerdrv, PCIe bwctrl |
i37 |
derive |
|
|
Interrupt 37, for device(s): 0-edge PCIe PME, aerdrv, PCIe bwctrl |
| 0-edge PCIe PME, aerdrv, PCIe bwctrl |
i38 |
derive |
|
|
Interrupt 38, for device(s): 0-edge PCIe PME, aerdrv, PCIe bwctrl |
| 0-edge PCIe PME, aerdrv, PCIe bwctrl |
i39 |
derive |
|
|
Interrupt 39, for device(s): 0-edge PCIe PME, aerdrv, PCIe bwctrl |
| 0-edge PCIe PME, aerdrv |
i40 |
derive |
|
|
Interrupt 40, for device(s): 0-edge PCIe PME, aerdrv |
| 0-edge ahci[0000:00:1f.2] |
i43 |
derive |
|
|
Interrupt 43, for device(s): 0-edge ahci[0000:00:1f.2] |
| 0-edge mpt2sas0-msix0 |
i47 |
derive |
|
|
Interrupt 47, for device(s): 0-edge mpt2sas0-msix0 |
| 1-edge mpt2sas0-msix1 |
i48 |
derive |
|
|
Interrupt 48, for device(s): 1-edge mpt2sas0-msix1 |
| 2-edge mpt2sas0-msix2 |
i49 |
derive |
|
|
Interrupt 49, for device(s): 2-edge mpt2sas0-msix2 |
| 3-edge mpt2sas0-msix3 |
i50 |
derive |
|
|
Interrupt 50, for device(s): 3-edge mpt2sas0-msix3 |
| 4-edge mpt2sas0-msix4 |
i51 |
derive |
|
|
Interrupt 51, for device(s): 4-edge mpt2sas0-msix4 |
| 5-edge mpt2sas0-msix5 |
i52 |
derive |
|
|
Interrupt 52, for device(s): 5-edge mpt2sas0-msix5 |
| 6-edge mpt2sas0-msix6 |
i53 |
derive |
|
|
Interrupt 53, for device(s): 6-edge mpt2sas0-msix6 |
| 7-edge mpt2sas0-msix7 |
i54 |
derive |
|
|
Interrupt 54, for device(s): 7-edge mpt2sas0-msix7 |
| 0-edge enp65s0f0-0 |
i56 |
derive |
|
|
Interrupt 56, for device(s): 0-edge enp65s0f0-0 |
| 0-edge enp65s0f1-0 |
i185 |
derive |
|
|
Interrupt 185, for device(s): 0-edge enp65s0f1-0 |
| 0-edge eno1-tx-0 |
i314 |
derive |
|
|
Interrupt 314, for device(s): 0-edge eno1-tx-0 |
| 1-edge eno1-rx-1 |
i315 |
derive |
|
|
Interrupt 315, for device(s): 1-edge eno1-rx-1 |
| 2-edge eno1-rx-2 |
i316 |
derive |
|
|
Interrupt 316, for device(s): 2-edge eno1-rx-2 |
| 3-edge eno1-rx-3 |
i317 |
derive |
|
|
Interrupt 317, for device(s): 3-edge eno1-rx-3 |
| 4-edge eno1-rx-4 |
i318 |
derive |
|
|
Interrupt 318, for device(s): 4-edge eno1-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 |
| 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 |