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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
278528-edge PCIe PME i32 derive     Interrupt 32, for device(s): 278528-edge PCIe PME
67108864-edge PCIe PME i34 derive     Interrupt 34, for device(s): 67108864-edge PCIe PME
67125248-edge PCIe PME i36 derive     Interrupt 36, for device(s): 67125248-edge PCIe PME
67141632-edge PCIe PME i38 derive     Interrupt 38, for device(s): 67141632-edge PCIe PME
67158016-edge PCIe PME i40 derive     Interrupt 40, for device(s): 67158016-edge PCIe PME
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
65536-edge ioat-msix i45 derive     Interrupt 45, for device(s): 65536-edge ioat-msix
67584-edge ioat-msix i47 derive     Interrupt 47, for device(s): 67584-edge ioat-msix
69632-edge ioat-msix i48 derive     Interrupt 48, for device(s): 69632-edge ioat-msix
71680-edge ioat-msix i49 derive     Interrupt 49, for device(s): 71680-edge ioat-msix
73728-edge ioat-msix i50 derive     Interrupt 50, for device(s): 73728-edge ioat-msix
75776-edge ioat-msix i51 derive     Interrupt 51, for device(s): 75776-edge ioat-msix
77824-edge ioat-msix i52 derive     Interrupt 52, for device(s): 77824-edge ioat-msix
79872-edge ioat-msix i53 derive     Interrupt 53, for device(s): 79872-edge ioat-msix
67174400-edge ioat-msix i55 derive     Interrupt 55, for device(s): 67174400-edge ioat-msix
67176448-edge ioat-msix i57 derive     Interrupt 57, for device(s): 67176448-edge ioat-msix
67178496-edge ioat-msix i58 derive     Interrupt 58, for device(s): 67178496-edge ioat-msix
67180544-edge ioat-msix i59 derive     Interrupt 59, for device(s): 67180544-edge ioat-msix
67182592-edge ioat-msix i60 derive     Interrupt 60, for device(s): 67182592-edge ioat-msix
67184640-edge ioat-msix i61 derive     Interrupt 61, for device(s): 67184640-edge ioat-msix
67186688-edge ioat-msix i62 derive     Interrupt 62, for device(s): 67186688-edge ioat-msix
67188736-edge ioat-msix i63 derive     Interrupt 63, for device(s): 67188736-edge ioat-msix
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
68157440-edge teng0-TxRx-0 i87 derive     Interrupt 87, for device(s): 68157440-edge teng0-TxRx-0
68157441-edge teng0-TxRx-1 i88 derive     Interrupt 88, for device(s): 68157441-edge teng0-TxRx-1
68157442-edge teng0-TxRx-2 i89 derive     Interrupt 89, for device(s): 68157442-edge teng0-TxRx-2
68157443-edge teng0-TxRx-3 i90 derive     Interrupt 90, for device(s): 68157443-edge teng0-TxRx-3
68157444-edge teng0-TxRx-4 i91 derive     Interrupt 91, for device(s): 68157444-edge teng0-TxRx-4
68157445-edge teng0-TxRx-5 i92 derive     Interrupt 92, for device(s): 68157445-edge teng0-TxRx-5
68157446-edge teng0-TxRx-6 i93 derive     Interrupt 93, for device(s): 68157446-edge teng0-TxRx-6
68157447-edge teng0-TxRx-7 i94 derive     Interrupt 94, for device(s): 68157447-edge teng0-TxRx-7
68157448-edge teng0-TxRx-8 i95 derive     Interrupt 95, for device(s): 68157448-edge teng0-TxRx-8
68157449-edge teng0-TxRx-9 i96 derive     Interrupt 96, for device(s): 68157449-edge teng0-TxRx-9
68157450-edge teng0-TxRx-10 i97 derive     Interrupt 97, for device(s): 68157450-edge teng0-TxRx-10
68157451-edge teng0-TxRx-11 i98 derive     Interrupt 98, for device(s): 68157451-edge teng0-TxRx-11
68157452-edge teng0-TxRx-12 i99 derive     Interrupt 99, for device(s): 68157452-edge teng0-TxRx-12
68157453-edge teng0-TxRx-13 i100 derive     Interrupt 100, for device(s): 68157453-edge teng0-TxRx-13
68157454-edge teng0-TxRx-14 i101 derive     Interrupt 101, for device(s): 68157454-edge teng0-TxRx-14
68157455-edge teng0-TxRx-15 i102 derive     Interrupt 102, for device(s): 68157455-edge teng0-TxRx-15
68157456-edge teng0-TxRx-16 i103 derive     Interrupt 103, for device(s): 68157456-edge teng0-TxRx-16
68157457-edge teng0-TxRx-17 i104 derive     Interrupt 104, for device(s): 68157457-edge teng0-TxRx-17
68157458-edge teng0-TxRx-18 i105 derive     Interrupt 105, for device(s): 68157458-edge teng0-TxRx-18
68157459-edge teng0-TxRx-19 i106 derive     Interrupt 106, for device(s): 68157459-edge teng0-TxRx-19
68157460-edge teng0-TxRx-20 i107 derive     Interrupt 107, for device(s): 68157460-edge teng0-TxRx-20
68157461-edge teng0-TxRx-21 i108 derive     Interrupt 108, for device(s): 68157461-edge teng0-TxRx-21
68157462-edge teng0-TxRx-22 i109 derive     Interrupt 109, for device(s): 68157462-edge teng0-TxRx-22
68157463-edge teng0-TxRx-23 i110 derive     Interrupt 110, for device(s): 68157463-edge teng0-TxRx-23
68157464-edge teng0-TxRx-24 i111 derive     Interrupt 111, for device(s): 68157464-edge teng0-TxRx-24
68157465-edge teng0-TxRx-25 i112 derive     Interrupt 112, for device(s): 68157465-edge teng0-TxRx-25
68157466-edge teng0-TxRx-26 i113 derive     Interrupt 113, for device(s): 68157466-edge teng0-TxRx-26
68157467-edge teng0-TxRx-27 i114 derive     Interrupt 114, for device(s): 68157467-edge teng0-TxRx-27
68157468-edge teng0-TxRx-28 i115 derive     Interrupt 115, for device(s): 68157468-edge teng0-TxRx-28
68157469-edge teng0-TxRx-29 i116 derive     Interrupt 116, for device(s): 68157469-edge teng0-TxRx-29
68157470-edge teng0-TxRx-30 i117 derive     Interrupt 117, for device(s): 68157470-edge teng0-TxRx-30
68157471-edge teng0-TxRx-31 i118 derive     Interrupt 118, for device(s): 68157471-edge teng0-TxRx-31
68157472-edge teng0-TxRx-32 i119 derive     Interrupt 119, for device(s): 68157472-edge teng0-TxRx-32
68157473-edge teng0-TxRx-33 i120 derive     Interrupt 120, for device(s): 68157473-edge teng0-TxRx-33
68157474-edge teng0-TxRx-34 i121 derive     Interrupt 121, for device(s): 68157474-edge teng0-TxRx-34
68157475-edge teng0-TxRx-35 i122 derive     Interrupt 122, for device(s): 68157475-edge teng0-TxRx-35
68157476-edge teng0-TxRx-36 i123 derive     Interrupt 123, for device(s): 68157476-edge teng0-TxRx-36
68157477-edge teng0-TxRx-37 i124 derive     Interrupt 124, for device(s): 68157477-edge teng0-TxRx-37
68157478-edge teng0-TxRx-38 i125 derive     Interrupt 125, for device(s): 68157478-edge teng0-TxRx-38
68157479-edge teng0-TxRx-39 i126 derive     Interrupt 126, for device(s): 68157479-edge teng0-TxRx-39
68157480-edge teng0 i127 derive     Interrupt 127, for device(s): 68157480-edge teng0
68159488-edge teng1-TxRx-0 i129 derive     Interrupt 129, for device(s): 68159488-edge teng1-TxRx-0
68159489-edge teng1-TxRx-1 i130 derive     Interrupt 130, for device(s): 68159489-edge teng1-TxRx-1
68159490-edge teng1-TxRx-2 i131 derive     Interrupt 131, for device(s): 68159490-edge teng1-TxRx-2
68159491-edge teng1-TxRx-3 i132 derive     Interrupt 132, for device(s): 68159491-edge teng1-TxRx-3
68159492-edge teng1-TxRx-4 i133 derive     Interrupt 133, for device(s): 68159492-edge teng1-TxRx-4
68159493-edge teng1-TxRx-5 i134 derive     Interrupt 134, for device(s): 68159493-edge teng1-TxRx-5
68159494-edge teng1-TxRx-6 i135 derive     Interrupt 135, for device(s): 68159494-edge teng1-TxRx-6
68159495-edge teng1-TxRx-7 i136 derive     Interrupt 136, for device(s): 68159495-edge teng1-TxRx-7
68159496-edge teng1-TxRx-8 i137 derive     Interrupt 137, for device(s): 68159496-edge teng1-TxRx-8
68159497-edge teng1-TxRx-9 i138 derive     Interrupt 138, for device(s): 68159497-edge teng1-TxRx-9
68159498-edge teng1-TxRx-10 i139 derive     Interrupt 139, for device(s): 68159498-edge teng1-TxRx-10
68159499-edge teng1-TxRx-11 i140 derive     Interrupt 140, for device(s): 68159499-edge teng1-TxRx-11
68159500-edge teng1-TxRx-12 i141 derive     Interrupt 141, for device(s): 68159500-edge teng1-TxRx-12
68159501-edge teng1-TxRx-13 i142 derive     Interrupt 142, for device(s): 68159501-edge teng1-TxRx-13
68159502-edge teng1-TxRx-14 i143 derive     Interrupt 143, for device(s): 68159502-edge teng1-TxRx-14
68159503-edge teng1-TxRx-15 i144 derive     Interrupt 144, for device(s): 68159503-edge teng1-TxRx-15
68159504-edge teng1-TxRx-16 i145 derive     Interrupt 145, for device(s): 68159504-edge teng1-TxRx-16
68159505-edge teng1-TxRx-17 i146 derive     Interrupt 146, for device(s): 68159505-edge teng1-TxRx-17
68159506-edge teng1-TxRx-18 i147 derive     Interrupt 147, for device(s): 68159506-edge teng1-TxRx-18
68159507-edge teng1-TxRx-19 i148 derive     Interrupt 148, for device(s): 68159507-edge teng1-TxRx-19
68159508-edge teng1-TxRx-20 i149 derive     Interrupt 149, for device(s): 68159508-edge teng1-TxRx-20
68159509-edge teng1-TxRx-21 i150 derive     Interrupt 150, for device(s): 68159509-edge teng1-TxRx-21
68159510-edge teng1-TxRx-22 i151 derive     Interrupt 151, for device(s): 68159510-edge teng1-TxRx-22
68159511-edge teng1-TxRx-23 i152 derive     Interrupt 152, for device(s): 68159511-edge teng1-TxRx-23
68159512-edge teng1-TxRx-24 i153 derive     Interrupt 153, for device(s): 68159512-edge teng1-TxRx-24
68159513-edge teng1-TxRx-25 i154 derive     Interrupt 154, for device(s): 68159513-edge teng1-TxRx-25
68159514-edge teng1-TxRx-26 i155 derive     Interrupt 155, for device(s): 68159514-edge teng1-TxRx-26
68159515-edge teng1-TxRx-27 i156 derive     Interrupt 156, for device(s): 68159515-edge teng1-TxRx-27
68159516-edge teng1-TxRx-28 i157 derive     Interrupt 157, for device(s): 68159516-edge teng1-TxRx-28
68159517-edge teng1-TxRx-29 i158 derive     Interrupt 158, for device(s): 68159517-edge teng1-TxRx-29
68159518-edge teng1-TxRx-30 i159 derive     Interrupt 159, for device(s): 68159518-edge teng1-TxRx-30
68159519-edge teng1-TxRx-31 i160 derive     Interrupt 160, for device(s): 68159519-edge teng1-TxRx-31
68159520-edge teng1-TxRx-32 i161 derive     Interrupt 161, for device(s): 68159520-edge teng1-TxRx-32
68159521-edge teng1-TxRx-33 i162 derive     Interrupt 162, for device(s): 68159521-edge teng1-TxRx-33
68159522-edge teng1-TxRx-34 i163 derive     Interrupt 163, for device(s): 68159522-edge teng1-TxRx-34
68159523-edge teng1-TxRx-35 i164 derive     Interrupt 164, for device(s): 68159523-edge teng1-TxRx-35
68159524-edge teng1-TxRx-36 i165 derive     Interrupt 165, for device(s): 68159524-edge teng1-TxRx-36
68159525-edge teng1-TxRx-37 i166 derive     Interrupt 166, for device(s): 68159525-edge teng1-TxRx-37
68159526-edge teng1-TxRx-38 i167 derive     Interrupt 167, for device(s): 68159526-edge teng1-TxRx-38
68159527-edge teng1-TxRx-39 i168 derive     Interrupt 168, for device(s): 68159527-edge teng1-TxRx-39
68159528-edge teng1 i169 derive     Interrupt 169, for device(s): 68159528-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