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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
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