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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
18 i18 derive     Interrupt 18, for device(s): 18-fasteoi i801_smbus, ehci_hcd:usb3, ehci_hcd:usb4
16384-edge PCIe PME i25 derive     Interrupt 25, for device(s): 16384-edge PCIe PME
49152-edge PCIe PME i27 derive     Interrupt 27, for device(s): 49152-edge PCIe PME
458752-edge PCIe PME i28 derive     Interrupt 28, for device(s): 458752-edge PCIe PME
462848-edge PCIe PME i29 derive     Interrupt 29, for device(s): 462848-edge PCIe PME
464896-edge PCIe PME i30 derive     Interrupt 30, for device(s): 464896-edge PCIe PME
327680-edge xhci_hcd i31 derive     Interrupt 31, for device(s): 327680-edge xhci_hcd
286720-edge ahci[0000:00:11.4] i37 derive     Interrupt 37, for device(s): 286720-edge ahci[0000:00:11.4]
512000-edge ahci[0000:00:1f.2] i38 derive     Interrupt 38, for device(s): 512000-edge ahci[0000:00:1f.2]
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
526336-edge eth3-TxRx-0 i88 derive     Interrupt 88, for device(s): 526336-edge eth3-TxRx-0
526337-edge eth3-TxRx-1 i89 derive     Interrupt 89, for device(s): 526337-edge eth3-TxRx-1
526338-edge eth3-TxRx-2 i90 derive     Interrupt 90, for device(s): 526338-edge eth3-TxRx-2
526339-edge eth3-TxRx-3 i91 derive     Interrupt 91, for device(s): 526339-edge eth3-TxRx-3
526340-edge eth3-TxRx-4 i92 derive     Interrupt 92, for device(s): 526340-edge eth3-TxRx-4
526341-edge eth3-TxRx-5 i93 derive     Interrupt 93, for device(s): 526341-edge eth3-TxRx-5
526342-edge eth3-TxRx-6 i94 derive     Interrupt 94, for device(s): 526342-edge eth3-TxRx-6
526343-edge eth3-TxRx-7 i95 derive     Interrupt 95, for device(s): 526343-edge eth3-TxRx-7
526344-edge eth3-TxRx-8 i96 derive     Interrupt 96, for device(s): 526344-edge eth3-TxRx-8
526345-edge eth3-TxRx-9 i97 derive     Interrupt 97, for device(s): 526345-edge eth3-TxRx-9
526346-edge eth3-TxRx-10 i98 derive     Interrupt 98, for device(s): 526346-edge eth3-TxRx-10
526347-edge eth3-TxRx-11 i99 derive     Interrupt 99, for device(s): 526347-edge eth3-TxRx-11
526348-edge eth3-TxRx-12 i100 derive     Interrupt 100, for device(s): 526348-edge eth3-TxRx-12
526349-edge eth3-TxRx-13 i101 derive     Interrupt 101, for device(s): 526349-edge eth3-TxRx-13
526350-edge eth3-TxRx-14 i102 derive     Interrupt 102, for device(s): 526350-edge eth3-TxRx-14
526351-edge eth3-TxRx-15 i103 derive     Interrupt 103, for device(s): 526351-edge eth3-TxRx-15
526352-edge eth3-TxRx-16 i104 derive     Interrupt 104, for device(s): 526352-edge eth3-TxRx-16
526353-edge eth3-TxRx-17 i105 derive     Interrupt 105, for device(s): 526353-edge eth3-TxRx-17
526354-edge eth3-TxRx-18 i106 derive     Interrupt 106, for device(s): 526354-edge eth3-TxRx-18
526355-edge eth3-TxRx-19 i107 derive     Interrupt 107, for device(s): 526355-edge eth3-TxRx-19
526356-edge eth3-TxRx-20 i108 derive     Interrupt 108, for device(s): 526356-edge eth3-TxRx-20
526357-edge eth3-TxRx-21 i109 derive     Interrupt 109, for device(s): 526357-edge eth3-TxRx-21
526358-edge eth3-TxRx-22 i110 derive     Interrupt 110, for device(s): 526358-edge eth3-TxRx-22
526359-edge eth3-TxRx-23 i111 derive     Interrupt 111, for device(s): 526359-edge eth3-TxRx-23
526360-edge eth3-TxRx-24 i112 derive     Interrupt 112, for device(s): 526360-edge eth3-TxRx-24
526361-edge eth3-TxRx-25 i113 derive     Interrupt 113, for device(s): 526361-edge eth3-TxRx-25
526362-edge eth3-TxRx-26 i114 derive     Interrupt 114, for device(s): 526362-edge eth3-TxRx-26
526363-edge eth3-TxRx-27 i115 derive     Interrupt 115, for device(s): 526363-edge eth3-TxRx-27
526364-edge eth3-TxRx-28 i116 derive     Interrupt 116, for device(s): 526364-edge eth3-TxRx-28
526365-edge eth3-TxRx-29 i117 derive     Interrupt 117, for device(s): 526365-edge eth3-TxRx-29
526366-edge eth3-TxRx-30 i118 derive     Interrupt 118, for device(s): 526366-edge eth3-TxRx-30
526367-edge eth3-TxRx-31 i119 derive     Interrupt 119, for device(s): 526367-edge eth3-TxRx-31
526368-edge eth3-TxRx-32 i120 derive     Interrupt 120, for device(s): 526368-edge eth3-TxRx-32
526369-edge eth3-TxRx-33 i121 derive     Interrupt 121, for device(s): 526369-edge eth3-TxRx-33
526370-edge eth3-TxRx-34 i122 derive     Interrupt 122, for device(s): 526370-edge eth3-TxRx-34
526371-edge eth3-TxRx-35 i123 derive     Interrupt 123, for device(s): 526371-edge eth3-TxRx-35
526372-edge eth3-TxRx-36 i124 derive     Interrupt 124, for device(s): 526372-edge eth3-TxRx-36
526373-edge eth3-TxRx-37 i125 derive     Interrupt 125, for device(s): 526373-edge eth3-TxRx-37
526374-edge eth3-TxRx-38 i126 derive     Interrupt 126, for device(s): 526374-edge eth3-TxRx-38
526375-edge eth3-TxRx-39 i127 derive     Interrupt 127, for device(s): 526375-edge eth3-TxRx-39
526376-edge eth3 i128 derive     Interrupt 128, for device(s): 526376-edge eth3
65536-edge ioat-msix i130 derive     Interrupt 130, for device(s): 65536-edge ioat-msix
67584-edge ioat-msix i132 derive     Interrupt 132, for device(s): 67584-edge ioat-msix
69632-edge ioat-msix i133 derive     Interrupt 133, for device(s): 69632-edge ioat-msix
71680-edge ioat-msix i134 derive     Interrupt 134, for device(s): 71680-edge ioat-msix
73728-edge ioat-msix i135 derive     Interrupt 135, for device(s): 73728-edge ioat-msix
75776-edge ioat-msix i136 derive     Interrupt 136, for device(s): 75776-edge ioat-msix
77824-edge ioat-msix i137 derive     Interrupt 137, for device(s): 77824-edge ioat-msix
79872-edge ioat-msix i138 derive     Interrupt 138, for device(s): 79872-edge ioat-msix
67174400-edge ioat-msix i140 derive     Interrupt 140, for device(s): 67174400-edge ioat-msix
67176448-edge ioat-msix i142 derive     Interrupt 142, for device(s): 67176448-edge ioat-msix
67178496-edge ioat-msix i143 derive     Interrupt 143, for device(s): 67178496-edge ioat-msix
67180544-edge ioat-msix i144 derive     Interrupt 144, for device(s): 67180544-edge ioat-msix
67182592-edge ioat-msix i145 derive     Interrupt 145, for device(s): 67182592-edge ioat-msix
67184640-edge ioat-msix i146 derive     Interrupt 146, for device(s): 67184640-edge ioat-msix
67186688-edge ioat-msix i147 derive     Interrupt 147, for device(s): 67186688-edge ioat-msix
67188736-edge ioat-msix i148 derive     Interrupt 148, for device(s): 67188736-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
Hypervisor callback interrupts iHYP derive     Interrupt HYP, for device(s): Hypervisor callback interrupts
Hyper-V reenlightenment interrupts iHRE derive     Interrupt HRE, for device(s): Hyper-V reenlightenment interrupts
Hyper-V stimer0 interrupts iHVS derive     Interrupt HVS, for device(s): Hyper-V stimer0 interrupts
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