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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
3-edge ttyS1 i3 derive     Interrupt 3, for device(s): 3-edge ttyS1
4-edge ttyS0 i4 derive     Interrupt 4, for device(s): 4-edge ttyS0
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
16-fasteoi ehci_hcd:usb1 i16 derive     Interrupt 16, for device(s): 16-fasteoi ehci_hcd:usb1
18-fasteoi i801_smbus i18 derive     Interrupt 18, for device(s): 18-fasteoi i801_smbus
23-fasteoi ehci_hcd:usb2 i23 derive     Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb2
512000-edge ahci[0000:00:1f.2] i41 derive     Interrupt 41, for device(s): 512000-edge ahci[0000:00:1f.2]
3670016-edge isci-msix i42 derive     Interrupt 42, for device(s): 3670016-edge isci-msix
3670017-edge isci-msix i43 derive     Interrupt 43, for device(s): 3670017-edge isci-msix
68157440-edge teng0-TxRx-0 i64 derive     Interrupt 64, for device(s): 68157440-edge teng0-TxRx-0
68157441-edge teng0-TxRx-1 i65 derive     Interrupt 65, for device(s): 68157441-edge teng0-TxRx-1
68157442-edge teng0-TxRx-2 i66 derive     Interrupt 66, for device(s): 68157442-edge teng0-TxRx-2
68157443-edge teng0-TxRx-3 i67 derive     Interrupt 67, for device(s): 68157443-edge teng0-TxRx-3
68157444-edge teng0-TxRx-4 i68 derive     Interrupt 68, for device(s): 68157444-edge teng0-TxRx-4
68157445-edge teng0-TxRx-5 i69 derive     Interrupt 69, for device(s): 68157445-edge teng0-TxRx-5
68157446-edge teng0-TxRx-6 i70 derive     Interrupt 70, for device(s): 68157446-edge teng0-TxRx-6
68157447-edge teng0-TxRx-7 i71 derive     Interrupt 71, for device(s): 68157447-edge teng0-TxRx-7
0-edge dmar0 i72 derive     Interrupt 72, for device(s): 0-edge dmar0
1-edge dmar1 i73 derive     Interrupt 73, for device(s): 1-edge dmar1
68157448-edge teng0-TxRx-8 i74 derive     Interrupt 74, for device(s): 68157448-edge teng0-TxRx-8
68157449-edge teng0-TxRx-9 i75 derive     Interrupt 75, for device(s): 68157449-edge teng0-TxRx-9
68157450-edge teng0-TxRx-10 i76 derive     Interrupt 76, for device(s): 68157450-edge teng0-TxRx-10
68157451-edge teng0-TxRx-11 i77 derive     Interrupt 77, for device(s): 68157451-edge teng0-TxRx-11
68157452-edge teng0-TxRx-12 i78 derive     Interrupt 78, for device(s): 68157452-edge teng0-TxRx-12
68157453-edge teng0-TxRx-13 i79 derive     Interrupt 79, for device(s): 68157453-edge teng0-TxRx-13
68157454-edge teng0-TxRx-14 i80 derive     Interrupt 80, for device(s): 68157454-edge teng0-TxRx-14
68157455-edge teng0-TxRx-15 i81 derive     Interrupt 81, for device(s): 68157455-edge teng0-TxRx-15
68157456-edge teng0-TxRx-16 i82 derive     Interrupt 82, for device(s): 68157456-edge teng0-TxRx-16
68157457-edge teng0-TxRx-17 i83 derive     Interrupt 83, for device(s): 68157457-edge teng0-TxRx-17
68157458-edge teng0-TxRx-18 i84 derive     Interrupt 84, for device(s): 68157458-edge teng0-TxRx-18
68157459-edge teng0-TxRx-19 i85 derive     Interrupt 85, for device(s): 68157459-edge teng0-TxRx-19
68157460-edge teng0-TxRx-20 i86 derive     Interrupt 86, for device(s): 68157460-edge teng0-TxRx-20
68157461-edge teng0-TxRx-21 i87 derive     Interrupt 87, for device(s): 68157461-edge teng0-TxRx-21
68157462-edge teng0-TxRx-22 i88 derive     Interrupt 88, for device(s): 68157462-edge teng0-TxRx-22
68157463-edge teng0-TxRx-23 i89 derive     Interrupt 89, for device(s): 68157463-edge teng0-TxRx-23
68157464-edge teng0 i90 derive     Interrupt 90, for device(s): 68157464-edge teng0
68159488-edge teng1-TxRx-0 i92 derive     Interrupt 92, for device(s): 68159488-edge teng1-TxRx-0
68159489-edge teng1-TxRx-1 i93 derive     Interrupt 93, for device(s): 68159489-edge teng1-TxRx-1
68159490-edge teng1-TxRx-2 i94 derive     Interrupt 94, for device(s): 68159490-edge teng1-TxRx-2
68159491-edge teng1-TxRx-3 i95 derive     Interrupt 95, for device(s): 68159491-edge teng1-TxRx-3
68159492-edge teng1-TxRx-4 i96 derive     Interrupt 96, for device(s): 68159492-edge teng1-TxRx-4
68159493-edge teng1-TxRx-5 i97 derive     Interrupt 97, for device(s): 68159493-edge teng1-TxRx-5
68159494-edge teng1-TxRx-6 i98 derive     Interrupt 98, for device(s): 68159494-edge teng1-TxRx-6
68159495-edge teng1-TxRx-7 i99 derive     Interrupt 99, for device(s): 68159495-edge teng1-TxRx-7
68159496-edge teng1-TxRx-8 i100 derive     Interrupt 100, for device(s): 68159496-edge teng1-TxRx-8
68159497-edge teng1-TxRx-9 i101 derive     Interrupt 101, for device(s): 68159497-edge teng1-TxRx-9
68159498-edge teng1-TxRx-10 i102 derive     Interrupt 102, for device(s): 68159498-edge teng1-TxRx-10
68159499-edge teng1-TxRx-11 i103 derive     Interrupt 103, for device(s): 68159499-edge teng1-TxRx-11
68159500-edge teng1-TxRx-12 i104 derive     Interrupt 104, for device(s): 68159500-edge teng1-TxRx-12
68159501-edge teng1-TxRx-13 i105 derive     Interrupt 105, for device(s): 68159501-edge teng1-TxRx-13
68159502-edge teng1-TxRx-14 i106 derive     Interrupt 106, for device(s): 68159502-edge teng1-TxRx-14
68159503-edge teng1-TxRx-15 i107 derive     Interrupt 107, for device(s): 68159503-edge teng1-TxRx-15
68159504-edge teng1-TxRx-16 i108 derive     Interrupt 108, for device(s): 68159504-edge teng1-TxRx-16
68159505-edge teng1-TxRx-17 i109 derive     Interrupt 109, for device(s): 68159505-edge teng1-TxRx-17
68159506-edge teng1-TxRx-18 i110 derive     Interrupt 110, for device(s): 68159506-edge teng1-TxRx-18
68159507-edge teng1-TxRx-19 i111 derive     Interrupt 111, for device(s): 68159507-edge teng1-TxRx-19
68159508-edge teng1-TxRx-20 i112 derive     Interrupt 112, for device(s): 68159508-edge teng1-TxRx-20
68159509-edge teng1-TxRx-21 i113 derive     Interrupt 113, for device(s): 68159509-edge teng1-TxRx-21
68159510-edge teng1-TxRx-22 i114 derive     Interrupt 114, for device(s): 68159510-edge teng1-TxRx-22
68159511-edge teng1-TxRx-23 i115 derive     Interrupt 115, for device(s): 68159511-edge teng1-TxRx-23
68159512-edge teng1 i116 derive     Interrupt 116, for device(s): 68159512-edge teng1
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