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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 serial i3 derive     Interrupt 3, for device(s): 3-edge serial
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
23-fasteoi ehci_hcd:usb2 i23 derive     Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb2
16384-edge PCIe PME i25 derive     Interrupt 25, for device(s): 16384-edge PCIe PME
32768-edge PCIe PME i27 derive     Interrupt 27, for device(s): 32768-edge PCIe PME
36864-edge PCIe PME i28 derive     Interrupt 28, for device(s): 36864-edge PCIe PME
49152-edge PCIe PME i30 derive     Interrupt 30, for device(s): 49152-edge PCIe PME
53248-edge PCIe PME i31 derive     Interrupt 31, for device(s): 53248-edge PCIe PME
278528-edge PCIe PME i32 derive     Interrupt 32, for device(s): 278528-edge PCIe PME
67125248-edge PCIe PME i34 derive     Interrupt 34, for device(s): 67125248-edge PCIe PME
67141632-edge PCIe PME i36 derive     Interrupt 36, for device(s): 67141632-edge PCIe PME
67145728-edge PCIe PME i37 derive     Interrupt 37, for device(s): 67145728-edge PCIe PME
67158016-edge PCIe PME i39 derive     Interrupt 39, for device(s): 67158016-edge PCIe PME
1572864-edge megasas i41 derive     Interrupt 41, for device(s): 1572864-edge megasas
1572865-edge megasas i42 derive     Interrupt 42, for device(s): 1572865-edge megasas
1572866-edge megasas i43 derive     Interrupt 43, for device(s): 1572866-edge megasas
1572867-edge megasas i44 derive     Interrupt 44, for device(s): 1572867-edge megasas
1572868-edge megasas i45 derive     Interrupt 45, for device(s): 1572868-edge megasas
1572869-edge megasas i46 derive     Interrupt 46, for device(s): 1572869-edge megasas
1572870-edge megasas i47 derive     Interrupt 47, for device(s): 1572870-edge megasas
1572871-edge megasas i48 derive     Interrupt 48, for device(s): 1572871-edge megasas
3670016-edge isci-msix i49 derive     Interrupt 49, for device(s): 3670016-edge isci-msix
3670017-edge isci-msix i50 derive     Interrupt 50, for device(s): 3670017-edge isci-msix
512000-edge 0000:00:1f.2 i51 derive     Interrupt 51, for device(s): 512000-edge 0000:00:1f.2
2623488-edge eth1 i63 derive     Interrupt 63, for device(s): 2623488-edge eth1
2623489-edge eth1-TxRx-0 i64 derive     Interrupt 64, for device(s): 2623489-edge eth1-TxRx-0
2623490-edge eth1-TxRx-1 i65 derive     Interrupt 65, for device(s): 2623490-edge eth1-TxRx-1
2623491-edge eth1-TxRx-2 i66 derive     Interrupt 66, for device(s): 2623491-edge eth1-TxRx-2
2623492-edge eth1-TxRx-3 i67 derive     Interrupt 67, for device(s): 2623492-edge eth1-TxRx-3
2623493-edge eth1-TxRx-4 i68 derive     Interrupt 68, for device(s): 2623493-edge eth1-TxRx-4
2623494-edge eth1-TxRx-5 i69 derive     Interrupt 69, for device(s): 2623494-edge eth1-TxRx-5
2623495-edge eth1-TxRx-6 i70 derive     Interrupt 70, for device(s): 2623495-edge eth1-TxRx-6
2623496-edge eth1-TxRx-7 i71 derive     Interrupt 71, for device(s): 2623496-edge eth1-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
67633152-edge eth2 i74 derive     Interrupt 74, for device(s): 67633152-edge eth2
67633153-edge eth2-TxRx-0 i75 derive     Interrupt 75, for device(s): 67633153-edge eth2-TxRx-0
67633154-edge eth2-TxRx-1 i76 derive     Interrupt 76, for device(s): 67633154-edge eth2-TxRx-1
67633155-edge eth2-TxRx-2 i77 derive     Interrupt 77, for device(s): 67633155-edge eth2-TxRx-2
67633156-edge eth2-TxRx-3 i78 derive     Interrupt 78, for device(s): 67633156-edge eth2-TxRx-3
67633157-edge eth2-TxRx-4 i79 derive     Interrupt 79, for device(s): 67633157-edge eth2-TxRx-4
67633158-edge eth2-TxRx-5 i80 derive     Interrupt 80, for device(s): 67633158-edge eth2-TxRx-5
67633159-edge eth2-TxRx-6 i81 derive     Interrupt 81, for device(s): 67633159-edge eth2-TxRx-6
67633160-edge eth2-TxRx-7 i82 derive     Interrupt 82, for device(s): 67633160-edge eth2-TxRx-7
67639296-edge eth5 i104 derive     Interrupt 104, for device(s): 67639296-edge eth5
67639297-edge eth5-TxRx-0 i105 derive     Interrupt 105, for device(s): 67639297-edge eth5-TxRx-0
67639298-edge eth5-TxRx-1 i106 derive     Interrupt 106, for device(s): 67639298-edge eth5-TxRx-1
67639299-edge eth5-TxRx-2 i107 derive     Interrupt 107, for device(s): 67639299-edge eth5-TxRx-2
67639300-edge eth5-TxRx-3 i108 derive     Interrupt 108, for device(s): 67639300-edge eth5-TxRx-3
67639301-edge eth5-TxRx-4 i109 derive     Interrupt 109, for device(s): 67639301-edge eth5-TxRx-4
67639302-edge eth5-TxRx-5 i110 derive     Interrupt 110, for device(s): 67639302-edge eth5-TxRx-5
67639303-edge eth5-TxRx-6 i111 derive     Interrupt 111, for device(s): 67639303-edge eth5-TxRx-6
67639304-edge eth5-TxRx-7 i112 derive     Interrupt 112, for device(s): 67639304-edge eth5-TxRx-7
65536-edge ioat-msix i114 derive     Interrupt 114, for device(s): 65536-edge ioat-msix
67584-edge ioat-msix i116 derive     Interrupt 116, for device(s): 67584-edge ioat-msix
69632-edge ioat-msix i117 derive     Interrupt 117, for device(s): 69632-edge ioat-msix
71680-edge ioat-msix i118 derive     Interrupt 118, for device(s): 71680-edge ioat-msix
73728-edge ioat-msix i119 derive     Interrupt 119, for device(s): 73728-edge ioat-msix
75776-edge ioat-msix i120 derive     Interrupt 120, for device(s): 75776-edge ioat-msix
77824-edge ioat-msix i121 derive     Interrupt 121, for device(s): 77824-edge ioat-msix
79872-edge ioat-msix i122 derive     Interrupt 122, for device(s): 79872-edge ioat-msix
67174400-edge ioat-msix i124 derive     Interrupt 124, for device(s): 67174400-edge ioat-msix
67176448-edge ioat-msix i126 derive     Interrupt 126, for device(s): 67176448-edge ioat-msix
67178496-edge ioat-msix i127 derive     Interrupt 127, for device(s): 67178496-edge ioat-msix
67180544-edge ioat-msix i128 derive     Interrupt 128, for device(s): 67180544-edge ioat-msix
67182592-edge ioat-msix i129 derive     Interrupt 129, for device(s): 67182592-edge ioat-msix
67184640-edge ioat-msix i130 derive     Interrupt 130, for device(s): 67184640-edge ioat-msix
67186688-edge ioat-msix i131 derive     Interrupt 131, for device(s): 67186688-edge ioat-msix
67188736-edge ioat-msix i132 derive     Interrupt 132, 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
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