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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
ehci_hcd:usb3, ehci_hcd:usb4, i801_smbus i18 derive     Interrupt 18, for device(s): ehci_hcd:usb3, ehci_hcd:usb4, i801_smbus
aacraid i64 derive     Interrupt 64, for device(s): aacraid
dmar0 i88 derive     Interrupt 88, for device(s): dmar0
dmar1 i89 derive     Interrupt 89, for device(s): dmar1
PCIe PME i90 derive     Interrupt 90, for device(s): PCIe PME
PCIe PME i91 derive     Interrupt 91, for device(s): PCIe PME
PCIe PME i92 derive     Interrupt 92, for device(s): PCIe PME
PCIe PME i93 derive     Interrupt 93, for device(s): PCIe PME
PCIe PME i94 derive     Interrupt 94, for device(s): PCIe PME
xhci_hcd i95 derive     Interrupt 95, for device(s): xhci_hcd
eth0 i96 derive     Interrupt 96, for device(s): eth0
eth0-TxRx-0 i97 derive     Interrupt 97, for device(s): eth0-TxRx-0
eth0-TxRx-1 i98 derive     Interrupt 98, for device(s): eth0-TxRx-1
eth0-TxRx-2 i99 derive     Interrupt 99, for device(s): eth0-TxRx-2
eth0-TxRx-3 i100 derive     Interrupt 100, for device(s): eth0-TxRx-3
eth0-TxRx-4 i101 derive     Interrupt 101, for device(s): eth0-TxRx-4
eth0-TxRx-5 i102 derive     Interrupt 102, for device(s): eth0-TxRx-5
eth0-TxRx-6 i103 derive     Interrupt 103, for device(s): eth0-TxRx-6
eth0-TxRx-7 i104 derive     Interrupt 104, for device(s): eth0-TxRx-7
ahci i105 derive     Interrupt 105, for device(s): ahci
ahci i106 derive     Interrupt 106, for device(s): ahci
eth1 i107 derive     Interrupt 107, for device(s): eth1
eth1-TxRx-0 i108 derive     Interrupt 108, for device(s): eth1-TxRx-0
eth1-TxRx-1 i109 derive     Interrupt 109, for device(s): eth1-TxRx-1
eth1-TxRx-2 i110 derive     Interrupt 110, for device(s): eth1-TxRx-2
eth1-TxRx-3 i111 derive     Interrupt 111, for device(s): eth1-TxRx-3
eth1-TxRx-4 i112 derive     Interrupt 112, for device(s): eth1-TxRx-4
eth1-TxRx-5 i113 derive     Interrupt 113, for device(s): eth1-TxRx-5
eth1-TxRx-6 i114 derive     Interrupt 114, for device(s): eth1-TxRx-6
eth1-TxRx-7 i115 derive     Interrupt 115, for device(s): eth1-TxRx-7
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
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
Hypervisor callback interrupts iHYP derive     Interrupt HYP, for device(s): Hypervisor callback interrupts
ERR iERR derive      
MIS iMIS derive