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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
16384-edge PCIe PME i25 derive     Interrupt 25, for device(s): 16384-edge PCIe PME
18432-edge PCIe PME i26 derive     Interrupt 26, for device(s): 18432-edge PCIe PME
32768-edge PCIe PME i28 derive     Interrupt 28, for device(s): 32768-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
67108864-edge PCIe PME i33 derive     Interrupt 33, for device(s): 67108864-edge PCIe PME
67125248-edge PCIe PME i35 derive     Interrupt 35, for device(s): 67125248-edge PCIe PME
67141632-edge PCIe PME i37 derive     Interrupt 37, for device(s): 67141632-edge PCIe PME
67158016-edge PCIe PME i39 derive     Interrupt 39, for device(s): 67158016-edge PCIe PME
2097152-edge i41 derive     Interrupt 41, for device(s): 2097152-edge
2097153-edge i42 derive     Interrupt 42, for device(s): 2097153-edge
2097154-edge i43 derive     Interrupt 43, for device(s): 2097154-edge
2097155-edge i44 derive     Interrupt 44, for device(s): 2097155-edge
2097156-edge i45 derive     Interrupt 45, for device(s): 2097156-edge
2097157-edge i46 derive     Interrupt 46, for device(s): 2097157-edge
2097158-edge i47 derive     Interrupt 47, for device(s): 2097158-edge
2097159-edge i48 derive     Interrupt 48, for device(s): 2097159-edge
2097160-edge i49 derive     Interrupt 49, for device(s): 2097160-edge
2099200-edge i51 derive     Interrupt 51, for device(s): 2099200-edge
2099201-edge i52 derive     Interrupt 52, for device(s): 2099201-edge
2099202-edge i53 derive     Interrupt 53, for device(s): 2099202-edge
2099203-edge i54 derive     Interrupt 54, for device(s): 2099203-edge
2099204-edge i55 derive     Interrupt 55, for device(s): 2099204-edge
2099205-edge i56 derive     Interrupt 56, for device(s): 2099205-edge
2099206-edge i57 derive     Interrupt 57, for device(s): 2099206-edge
2099207-edge i58 derive     Interrupt 58, for device(s): 2099207-edge
2099208-edge i59 derive     Interrupt 59, for device(s): 2099208-edge
68681728-edge teng0-TxRx-0 i61 derive     Interrupt 61, for device(s): 68681728-edge teng0-TxRx-0
68681729-edge teng0-TxRx-1 i62 derive     Interrupt 62, for device(s): 68681729-edge teng0-TxRx-1
68681730-edge teng0-TxRx-2 i63 derive     Interrupt 63, for device(s): 68681730-edge teng0-TxRx-2
68681731-edge teng0-TxRx-3 i64 derive     Interrupt 64, for device(s): 68681731-edge teng0-TxRx-3
68681732-edge teng0-TxRx-4 i65 derive     Interrupt 65, for device(s): 68681732-edge teng0-TxRx-4
68681733-edge teng0-TxRx-5 i66 derive     Interrupt 66, for device(s): 68681733-edge teng0-TxRx-5
68681734-edge teng0-TxRx-6 i67 derive     Interrupt 67, for device(s): 68681734-edge teng0-TxRx-6
68681735-edge teng0-TxRx-7 i68 derive     Interrupt 68, for device(s): 68681735-edge teng0-TxRx-7
68681736-edge teng0-TxRx-8 i69 derive     Interrupt 69, for device(s): 68681736-edge teng0-TxRx-8
68681737-edge teng0-TxRx-9 i70 derive     Interrupt 70, for device(s): 68681737-edge teng0-TxRx-9
68681738-edge teng0-TxRx-10 i71 derive     Interrupt 71, for device(s): 68681738-edge teng0-TxRx-10
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
68681739-edge teng0-TxRx-11 i74 derive     Interrupt 74, for device(s): 68681739-edge teng0-TxRx-11
68681740-edge teng0-TxRx-12 i75 derive     Interrupt 75, for device(s): 68681740-edge teng0-TxRx-12
68681741-edge teng0-TxRx-13 i76 derive     Interrupt 76, for device(s): 68681741-edge teng0-TxRx-13
68681742-edge teng0-TxRx-14 i77 derive     Interrupt 77, for device(s): 68681742-edge teng0-TxRx-14
68681743-edge teng0-TxRx-15 i78 derive     Interrupt 78, for device(s): 68681743-edge teng0-TxRx-15
68681744-edge teng0-TxRx-16 i79 derive     Interrupt 79, for device(s): 68681744-edge teng0-TxRx-16
68681745-edge teng0-TxRx-17 i80 derive     Interrupt 80, for device(s): 68681745-edge teng0-TxRx-17
68681746-edge teng0-TxRx-18 i81 derive     Interrupt 81, for device(s): 68681746-edge teng0-TxRx-18
68681747-edge teng0-TxRx-19 i82 derive     Interrupt 82, for device(s): 68681747-edge teng0-TxRx-19
68681748-edge teng0-TxRx-20 i83 derive     Interrupt 83, for device(s): 68681748-edge teng0-TxRx-20
68681749-edge teng0-TxRx-21 i84 derive     Interrupt 84, for device(s): 68681749-edge teng0-TxRx-21
68681750-edge teng0-TxRx-22 i85 derive     Interrupt 85, for device(s): 68681750-edge teng0-TxRx-22
68681751-edge teng0-TxRx-23 i86 derive     Interrupt 86, for device(s): 68681751-edge teng0-TxRx-23
68681752-edge teng0 i87 derive     Interrupt 87, for device(s): 68681752-edge teng0
68683776-edge teng1-TxRx-0 i89 derive     Interrupt 89, for device(s): 68683776-edge teng1-TxRx-0
68683777-edge teng1-TxRx-1 i90 derive     Interrupt 90, for device(s): 68683777-edge teng1-TxRx-1
68683778-edge teng1-TxRx-2 i91 derive     Interrupt 91, for device(s): 68683778-edge teng1-TxRx-2
68683779-edge teng1-TxRx-3 i92 derive     Interrupt 92, for device(s): 68683779-edge teng1-TxRx-3
68683780-edge teng1-TxRx-4 i93 derive     Interrupt 93, for device(s): 68683780-edge teng1-TxRx-4
68683781-edge teng1-TxRx-5 i94 derive     Interrupt 94, for device(s): 68683781-edge teng1-TxRx-5
68683782-edge teng1-TxRx-6 i95 derive     Interrupt 95, for device(s): 68683782-edge teng1-TxRx-6
68683783-edge teng1-TxRx-7 i96 derive     Interrupt 96, for device(s): 68683783-edge teng1-TxRx-7
68683784-edge teng1-TxRx-8 i97 derive     Interrupt 97, for device(s): 68683784-edge teng1-TxRx-8
68683785-edge teng1-TxRx-9 i98 derive     Interrupt 98, for device(s): 68683785-edge teng1-TxRx-9
68683786-edge teng1-TxRx-10 i99 derive     Interrupt 99, for device(s): 68683786-edge teng1-TxRx-10
68683787-edge teng1-TxRx-11 i100 derive     Interrupt 100, for device(s): 68683787-edge teng1-TxRx-11
68683788-edge teng1-TxRx-12 i101 derive     Interrupt 101, for device(s): 68683788-edge teng1-TxRx-12
68683789-edge teng1-TxRx-13 i102 derive     Interrupt 102, for device(s): 68683789-edge teng1-TxRx-13
68683790-edge teng1-TxRx-14 i103 derive     Interrupt 103, for device(s): 68683790-edge teng1-TxRx-14
68683791-edge teng1-TxRx-15 i104 derive     Interrupt 104, for device(s): 68683791-edge teng1-TxRx-15
68683792-edge teng1-TxRx-16 i105 derive     Interrupt 105, for device(s): 68683792-edge teng1-TxRx-16
68683793-edge teng1-TxRx-17 i106 derive     Interrupt 106, for device(s): 68683793-edge teng1-TxRx-17
68683794-edge teng1-TxRx-18 i107 derive     Interrupt 107, for device(s): 68683794-edge teng1-TxRx-18
68683795-edge teng1-TxRx-19 i108 derive     Interrupt 108, for device(s): 68683795-edge teng1-TxRx-19
68683796-edge teng1-TxRx-20 i109 derive     Interrupt 109, for device(s): 68683796-edge teng1-TxRx-20
68683797-edge teng1-TxRx-21 i110 derive     Interrupt 110, for device(s): 68683797-edge teng1-TxRx-21
68683798-edge teng1-TxRx-22 i111 derive     Interrupt 111, for device(s): 68683798-edge teng1-TxRx-22
68683799-edge teng1-TxRx-23 i112 derive     Interrupt 112, for device(s): 68683799-edge teng1-TxRx-23
68683800-edge teng1 i113 derive     Interrupt 113, for device(s): 68683800-edge teng1
512000-edge ahci[0000:00:1f.2] i114 derive     Interrupt 114, for device(s): 512000-edge ahci[0000:00:1f.2]
1572864-edge isci-msix i115 derive     Interrupt 115, for device(s): 1572864-edge isci-msix
1572865-edge isci-msix i116 derive     Interrupt 116, for device(s): 1572865-edge isci-msix
1572866-edge isci-msix i117 derive     Interrupt 117, for device(s): 1572866-edge isci-msix
1572867-edge isci-msix i118 derive     Interrupt 118, for device(s): 1572867-edge isci-msix
65536-edge ioat-msix i120 derive     Interrupt 120, for device(s): 65536-edge ioat-msix
67584-edge ioat-msix i122 derive     Interrupt 122, for device(s): 67584-edge ioat-msix
69632-edge ioat-msix i123 derive     Interrupt 123, for device(s): 69632-edge ioat-msix
71680-edge ioat-msix i124 derive     Interrupt 124, for device(s): 71680-edge ioat-msix
73728-edge ioat-msix i125 derive     Interrupt 125, for device(s): 73728-edge ioat-msix
75776-edge ioat-msix i126 derive     Interrupt 126, for device(s): 75776-edge ioat-msix
77824-edge ioat-msix i127 derive     Interrupt 127, for device(s): 77824-edge ioat-msix
79872-edge ioat-msix i128 derive     Interrupt 128, for device(s): 79872-edge ioat-msix
67174400-edge ioat-msix i130 derive     Interrupt 130, for device(s): 67174400-edge ioat-msix
67176448-edge ioat-msix i132 derive     Interrupt 132, for device(s): 67176448-edge ioat-msix
67178496-edge ioat-msix i133 derive     Interrupt 133, for device(s): 67178496-edge ioat-msix
3145728-edge mpt2sas0-msix0 i134 derive     Interrupt 134, for device(s): 3145728-edge mpt2sas0-msix0
3145729-edge mpt2sas0-msix1 i135 derive     Interrupt 135, for device(s): 3145729-edge mpt2sas0-msix1
3145730-edge mpt2sas0-msix2 i136 derive     Interrupt 136, for device(s): 3145730-edge mpt2sas0-msix2
3145731-edge mpt2sas0-msix3 i137 derive     Interrupt 137, for device(s): 3145731-edge mpt2sas0-msix3
3145732-edge mpt2sas0-msix4 i138 derive     Interrupt 138, for device(s): 3145732-edge mpt2sas0-msix4
3145733-edge mpt2sas0-msix5 i139 derive     Interrupt 139, for device(s): 3145733-edge mpt2sas0-msix5
3145734-edge mpt2sas0-msix6 i140 derive     Interrupt 140, for device(s): 3145734-edge mpt2sas0-msix6
3145735-edge mpt2sas0-msix7 i141 derive     Interrupt 141, for device(s): 3145735-edge mpt2sas0-msix7
67180544-edge ioat-msix i142 derive     Interrupt 142, for device(s): 67180544-edge ioat-msix
67182592-edge ioat-msix i143 derive     Interrupt 143, for device(s): 67182592-edge ioat-msix
67184640-edge ioat-msix i144 derive     Interrupt 144, for device(s): 67184640-edge ioat-msix
67186688-edge ioat-msix i145 derive     Interrupt 145, for device(s): 67186688-edge ioat-msix
67188736-edge ioat-msix i146 derive     Interrupt 146, for device(s): 67188736-edge ioat-msix
3670016-edge mpt2sas1-msix0 i148 derive     Interrupt 148, for device(s): 3670016-edge mpt2sas1-msix0
3670017-edge mpt2sas1-msix1 i149 derive     Interrupt 149, for device(s): 3670017-edge mpt2sas1-msix1
3670018-edge mpt2sas1-msix2 i150 derive     Interrupt 150, for device(s): 3670018-edge mpt2sas1-msix2
3670019-edge mpt2sas1-msix3 i151 derive     Interrupt 151, for device(s): 3670019-edge mpt2sas1-msix3
3670020-edge mpt2sas1-msix4 i152 derive     Interrupt 152, for device(s): 3670020-edge mpt2sas1-msix4
3670021-edge mpt2sas1-msix5 i153 derive     Interrupt 153, for device(s): 3670021-edge mpt2sas1-msix5
3670022-edge mpt2sas1-msix6 i154 derive     Interrupt 154, for device(s): 3670022-edge mpt2sas1-msix6
3670023-edge mpt2sas1-msix7 i155 derive     Interrupt 155, for device(s): 3670023-edge mpt2sas1-msix7
3670024-edge mpt2sas1-msix8 i156 derive     Interrupt 156, for device(s): 3670024-edge mpt2sas1-msix8
3670025-edge mpt2sas1-msix9 i157 derive     Interrupt 157, for device(s): 3670025-edge mpt2sas1-msix9
3670026-edge mpt2sas1-msix10 i158 derive     Interrupt 158, for device(s): 3670026-edge mpt2sas1-msix10
3670027-edge mpt2sas1-msix11 i159 derive     Interrupt 159, for device(s): 3670027-edge mpt2sas1-msix11
3670028-edge mpt2sas1-msix12 i160 derive     Interrupt 160, for device(s): 3670028-edge mpt2sas1-msix12
3670029-edge mpt2sas1-msix13 i161 derive     Interrupt 161, for device(s): 3670029-edge mpt2sas1-msix13
3670030-edge mpt2sas1-msix14 i162 derive     Interrupt 162, for device(s): 3670030-edge mpt2sas1-msix14
3670031-edge mpt2sas1-msix15 i163 derive     Interrupt 163, for device(s): 3670031-edge mpt2sas1-msix15
69730304-edge mpt2sas2-msix0 i165 derive     Interrupt 165, for device(s): 69730304-edge mpt2sas2-msix0
69730305-edge mpt2sas2-msix1 i166 derive     Interrupt 166, for device(s): 69730305-edge mpt2sas2-msix1
69730306-edge mpt2sas2-msix2 i167 derive     Interrupt 167, for device(s): 69730306-edge mpt2sas2-msix2
69730307-edge mpt2sas2-msix3 i168 derive     Interrupt 168, for device(s): 69730307-edge mpt2sas2-msix3
69730308-edge mpt2sas2-msix4 i169 derive     Interrupt 169, for device(s): 69730308-edge mpt2sas2-msix4
69730309-edge mpt2sas2-msix5 i170 derive     Interrupt 170, for device(s): 69730309-edge mpt2sas2-msix5
69730310-edge mpt2sas2-msix6 i171 derive     Interrupt 171, for device(s): 69730310-edge mpt2sas2-msix6
69730311-edge mpt2sas2-msix7 i172 derive     Interrupt 172, for device(s): 69730311-edge mpt2sas2-msix7
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