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 |
| 3 |
i3 |
derive |
|
|
|
| rtc0 |
i8 |
derive |
|
|
Interrupt 8, for device(s): rtc0 |
| acpi |
i9 |
derive |
|
|
Interrupt 9, for device(s): acpi |
| ehci_hcd:usb1, ehci_hcd:usb2 |
i18 |
derive |
|
|
Interrupt 18, for device(s): ehci_hcd:usb1, ehci_hcd:usb2 |
| dmar0 |
i72 |
derive |
|
|
Interrupt 72, for device(s): dmar0 |
| dmar1 |
i73 |
derive |
|
|
Interrupt 73, for device(s): dmar1 |
| hpet2 |
i74 |
derive |
|
|
Interrupt 74, for device(s): hpet2 |
| hpet3 |
i75 |
derive |
|
|
Interrupt 75, for device(s): hpet3 |
| hpet4 |
i76 |
derive |
|
|
Interrupt 76, for device(s): hpet4 |
| hpet5 |
i77 |
derive |
|
|
Interrupt 77, for device(s): hpet5 |
| hpet6 |
i78 |
derive |
|
|
Interrupt 78, for device(s): hpet6 |
| ahci |
i86 |
derive |
|
|
Interrupt 86, for device(s): ahci |
| ahci |
i87 |
derive |
|
|
Interrupt 87, for device(s): ahci |
| eth0 |
i88 |
derive |
|
|
Interrupt 88, for device(s): eth0 |
| eth0-TxRx-0 |
i89 |
derive |
|
|
Interrupt 89, for device(s): eth0-TxRx-0 |
| eth0-TxRx-1 |
i90 |
derive |
|
|
Interrupt 90, for device(s): eth0-TxRx-1 |
| eth0-TxRx-2 |
i91 |
derive |
|
|
Interrupt 91, for device(s): eth0-TxRx-2 |
| eth0-TxRx-3 |
i92 |
derive |
|
|
Interrupt 92, for device(s): eth0-TxRx-3 |
| eth0-TxRx-4 |
i93 |
derive |
|
|
Interrupt 93, for device(s): eth0-TxRx-4 |
| eth0-TxRx-5 |
i94 |
derive |
|
|
Interrupt 94, for device(s): eth0-TxRx-5 |
| eth0-TxRx-6 |
i95 |
derive |
|
|
Interrupt 95, for device(s): eth0-TxRx-6 |
| eth0-TxRx-7 |
i96 |
derive |
|
|
Interrupt 96, for device(s): eth0-TxRx-7 |
| eth1 |
i97 |
derive |
|
|
Interrupt 97, for device(s): eth1 |
| eth1-TxRx-0 |
i98 |
derive |
|
|
Interrupt 98, for device(s): eth1-TxRx-0 |
| eth1-TxRx-1 |
i99 |
derive |
|
|
Interrupt 99, for device(s): eth1-TxRx-1 |
| eth1-TxRx-2 |
i100 |
derive |
|
|
Interrupt 100, for device(s): eth1-TxRx-2 |
| eth1-TxRx-3 |
i101 |
derive |
|
|
Interrupt 101, for device(s): eth1-TxRx-3 |
| eth1-TxRx-4 |
i102 |
derive |
|
|
Interrupt 102, for device(s): eth1-TxRx-4 |
| eth1-TxRx-5 |
i103 |
derive |
|
|
Interrupt 103, for device(s): eth1-TxRx-5 |
| eth1-TxRx-6 |
i104 |
derive |
|
|
Interrupt 104, for device(s): eth1-TxRx-6 |
| eth1-TxRx-7 |
i105 |
derive |
|
|
Interrupt 105, for device(s): eth1-TxRx-7 |
| ioat-msix |
i106 |
derive |
|
|
Interrupt 106, for device(s): ioat-msix |
| ioat-msix |
i107 |
derive |
|
|
Interrupt 107, for device(s): ioat-msix |
| ioat-msix |
i108 |
derive |
|
|
Interrupt 108, for device(s): ioat-msix |
| ioat-msix |
i109 |
derive |
|
|
Interrupt 109, for device(s): ioat-msix |
| ioat-msix |
i110 |
derive |
|
|
Interrupt 110, for device(s): ioat-msix |
| ioat-msix |
i111 |
derive |
|
|
Interrupt 111, for device(s): ioat-msix |
| ioat-msix |
i112 |
derive |
|
|
Interrupt 112, for device(s): ioat-msix |
| ioat-msix |
i113 |
derive |
|
|
Interrupt 113, for device(s): ioat-msix |
| ioat-msix |
i114 |
derive |
|
|
Interrupt 114, for device(s): ioat-msix |
| ioat-msix |
i115 |
derive |
|
|
Interrupt 115, for device(s): ioat-msix |
| ioat-msix |
i116 |
derive |
|
|
Interrupt 116, for device(s): ioat-msix |
| ioat-msix |
i117 |
derive |
|
|
Interrupt 117, for device(s): ioat-msix |
| ioat-msix |
i118 |
derive |
|
|
Interrupt 118, for device(s): ioat-msix |
| ioat-msix |
i119 |
derive |
|
|
Interrupt 119, for device(s): ioat-msix |
| ioat-msix |
i120 |
derive |
|
|
Interrupt 120, for device(s): ioat-msix |
| ioat-msix |
i121 |
derive |
|
|
Interrupt 121, for device(s): ioat-msix |
| 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 |
|
|
|
