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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
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
12-edge i8042 i12 derive     Interrupt 12, for device(s): 12-edge i8042
16-fasteoi uhci_hcd:usb3 i16 derive     Interrupt 16, for device(s): 16-fasteoi uhci_hcd:usb3
18 i18 derive     Interrupt 18, for device(s): 18-fasteoi i801_smbus, ehci_hcd:usb1, uhci_hcd:usb8
19-fasteoi uhci_hcd:usb5, uhci_hcd:usb7 i19 derive     Interrupt 19, for device(s): 19-fasteoi uhci_hcd:usb5, uhci_hcd:usb7
21-fasteoi uhci_hcd:usb4 i21 derive     Interrupt 21, for device(s): 21-fasteoi uhci_hcd:usb4
23-fasteoi ehci_hcd:usb2, uhci_hcd:usb6 i23 derive     Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb2, uhci_hcd:usb6
2097152-edge aacraid i31 derive     Interrupt 31, for device(s): 2097152-edge aacraid
2097153-edge aacraid i32 derive     Interrupt 32, for device(s): 2097153-edge aacraid
2097154-edge aacraid i33 derive     Interrupt 33, for device(s): 2097154-edge aacraid
2097155-edge aacraid i34 derive     Interrupt 34, for device(s): 2097155-edge aacraid
2097156-edge aacraid i35 derive     Interrupt 35, for device(s): 2097156-edge aacraid
2097157-edge aacraid i36 derive     Interrupt 36, for device(s): 2097157-edge aacraid
2097158-edge aacraid i37 derive     Interrupt 37, for device(s): 2097158-edge aacraid
2097159-edge aacraid i38 derive     Interrupt 38, for device(s): 2097159-edge aacraid
2097160-edge aacraid i39 derive     Interrupt 39, for device(s): 2097160-edge aacraid
2097161-edge aacraid i40 derive     Interrupt 40, for device(s): 2097161-edge aacraid
2097162-edge aacraid i41 derive     Interrupt 41, for device(s): 2097162-edge aacraid
2097163-edge aacraid i42 derive     Interrupt 42, for device(s): 2097163-edge aacraid
2097164-edge aacraid i43 derive     Interrupt 43, for device(s): 2097164-edge aacraid
2097165-edge aacraid i44 derive     Interrupt 44, for device(s): 2097165-edge aacraid
2097166-edge aacraid i45 derive     Interrupt 45, for device(s): 2097166-edge aacraid
2097167-edge aacraid i46 derive     Interrupt 46, for device(s): 2097167-edge aacraid
2097168-edge aacraid i47 derive     Interrupt 47, for device(s): 2097168-edge aacraid
0-edge dmar0 i48 derive     Interrupt 48, for device(s): 0-edge dmar0
2097169-edge aacraid i49 derive     Interrupt 49, for device(s): 2097169-edge aacraid
2097170-edge aacraid i50 derive     Interrupt 50, for device(s): 2097170-edge aacraid
2097171-edge aacraid i51 derive     Interrupt 51, for device(s): 2097171-edge aacraid
2097172-edge aacraid i52 derive     Interrupt 52, for device(s): 2097172-edge aacraid
2097173-edge aacraid i53 derive     Interrupt 53, for device(s): 2097173-edge aacraid
2097174-edge aacraid i54 derive     Interrupt 54, for device(s): 2097174-edge aacraid
2097175-edge aacraid i55 derive     Interrupt 55, for device(s): 2097175-edge aacraid
512000-edge ahci0 i56 derive     Interrupt 56, for device(s): 512000-edge ahci0
512001-edge ahci1 i57 derive     Interrupt 57, for device(s): 512001-edge ahci1
512002-edge ahci2 i58 derive     Interrupt 58, for device(s): 512002-edge ahci2
512003-edge ahci3 i59 derive     Interrupt 59, for device(s): 512003-edge ahci3
512004-edge ahci4 i60 derive     Interrupt 60, for device(s): 512004-edge ahci4
512005-edge ahci5 i61 derive     Interrupt 61, for device(s): 512005-edge ahci5
3670016-edge eth2-rx-0 i72 derive     Interrupt 72, for device(s): 3670016-edge eth2-rx-0
3670017-edge eth2-tx-0 i73 derive     Interrupt 73, for device(s): 3670017-edge eth2-tx-0
3670018-edge eth2 i74 derive     Interrupt 74, for device(s): 3670018-edge eth2
360448-edge ioat-msix i76 derive     Interrupt 76, for device(s): 360448-edge ioat-msix
362496-edge ioat-msix i78 derive     Interrupt 78, for device(s): 362496-edge ioat-msix
364544-edge ioat-msix i80 derive     Interrupt 80, for device(s): 364544-edge ioat-msix
366592-edge ioat-msix i82 derive     Interrupt 82, for device(s): 366592-edge ioat-msix
368640-edge ioat-msix i83 derive     Interrupt 83, for device(s): 368640-edge ioat-msix
370688-edge ioat-msix i84 derive     Interrupt 84, for device(s): 370688-edge ioat-msix
372736-edge ioat-msix i85 derive     Interrupt 85, for device(s): 372736-edge ioat-msix
374784-edge ioat-msix i86 derive     Interrupt 86, for device(s): 374784-edge 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
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
Posted-interrupt wakeup event iPIW derive     Interrupt PIW, for device(s): Posted-interrupt wakeup event