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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
1-edge i8042 i1 derive     Interrupt 1, for device(s): 1-edge i8042
3-edge ttyS1 i3 derive     Interrupt 3, for device(s): 3-edge ttyS1
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
12-edge i8042 i12 derive     Interrupt 12, for device(s): 12-edge i8042
16-fasteoi ohci_hcd:usb3, ohci_hcd:usb4 i16 derive     Interrupt 16, for device(s): 16-fasteoi ohci_hcd:usb3, ohci_hcd:usb4
17-fasteoi ehci_hcd:usb1 i17 derive     Interrupt 17, for device(s): 17-fasteoi ehci_hcd:usb1
18-fasteoi ohci_hcd:usb5, ohci_hcd:usb6 i18 derive     Interrupt 18, for device(s): 18-fasteoi ohci_hcd:usb5, ohci_hcd:usb6
19-fasteoi ehci_hcd:usb2 i19 derive     Interrupt 19, for device(s): 19-fasteoi ehci_hcd:usb2
22-fasteoi ahci[0000:00:11.0] i22 derive     Interrupt 22, for device(s): 22-fasteoi ahci[0000:00:11.0]
32768-edge PCIe PME, aerdrv i25 derive     Interrupt 25, for device(s): 32768-edge PCIe PME, aerdrv
49152-edge PCIe PME, aerdrv i26 derive     Interrupt 26, for device(s): 49152-edge PCIe PME, aerdrv
65536-edge PCIe PME, aerdrv i27 derive     Interrupt 27, for device(s): 65536-edge PCIe PME, aerdrv
147456-edge PCIe PME, aerdrv i29 derive     Interrupt 29, for device(s): 147456-edge PCIe PME, aerdrv
16809984-edge PCIe PME, aerdrv i38 derive     Interrupt 38, for device(s): 16809984-edge PCIe PME, aerdrv
16826368-edge PCIe PME, aerdrv i39 derive     Interrupt 39, for device(s): 16826368-edge PCIe PME, aerdrv
16957440-edge PCIe PME, aerdrv i41 derive     Interrupt 41, for device(s): 16957440-edge PCIe PME, aerdrv
2621440-edge megasas0-msix0 i46 derive     Interrupt 46, for device(s): 2621440-edge megasas0-msix0
17827840-edge enp34s0f1-TxRx-0 i98 derive     Interrupt 98, for device(s): 17827840-edge enp34s0f1-TxRx-0
17827841-edge enp34s0f1-TxRx-1 i99 derive     Interrupt 99, for device(s): 17827841-edge enp34s0f1-TxRx-1
17827842-edge enp34s0f1-TxRx-2 i100 derive     Interrupt 100, for device(s): 17827842-edge enp34s0f1-TxRx-2
17827843-edge enp34s0f1-TxRx-3 i101 derive     Interrupt 101, for device(s): 17827843-edge enp34s0f1-TxRx-3
17827844-edge enp34s0f1-TxRx-4 i102 derive     Interrupt 102, for device(s): 17827844-edge enp34s0f1-TxRx-4
17827845-edge enp34s0f1-TxRx-5 i103 derive     Interrupt 103, for device(s): 17827845-edge enp34s0f1-TxRx-5
17827846-edge enp34s0f1-TxRx-6 i104 derive     Interrupt 104, for device(s): 17827846-edge enp34s0f1-TxRx-6
17827847-edge enp34s0f1-TxRx-7 i105 derive     Interrupt 105, for device(s): 17827847-edge enp34s0f1-TxRx-7
17827848-edge enp34s0f1-TxRx-8 i106 derive     Interrupt 106, for device(s): 17827848-edge enp34s0f1-TxRx-8
17827849-edge enp34s0f1-TxRx-9 i107 derive     Interrupt 107, for device(s): 17827849-edge enp34s0f1-TxRx-9
17827850-edge enp34s0f1-TxRx-10 i108 derive     Interrupt 108, for device(s): 17827850-edge enp34s0f1-TxRx-10
17827851-edge enp34s0f1-TxRx-11 i109 derive     Interrupt 109, for device(s): 17827851-edge enp34s0f1-TxRx-11
17827852-edge enp34s0f1-TxRx-12 i110 derive     Interrupt 110, for device(s): 17827852-edge enp34s0f1-TxRx-12
17827853-edge enp34s0f1-TxRx-13 i111 derive     Interrupt 111, for device(s): 17827853-edge enp34s0f1-TxRx-13
17827854-edge enp34s0f1-TxRx-14 i112 derive     Interrupt 112, for device(s): 17827854-edge enp34s0f1-TxRx-14
17827855-edge enp34s0f1-TxRx-15 i113 derive     Interrupt 113, for device(s): 17827855-edge enp34s0f1-TxRx-15
17827856-edge enp34s0f1-TxRx-16 i114 derive     Interrupt 114, for device(s): 17827856-edge enp34s0f1-TxRx-16
17827857-edge enp34s0f1-TxRx-17 i115 derive     Interrupt 115, for device(s): 17827857-edge enp34s0f1-TxRx-17
17827858-edge enp34s0f1-TxRx-18 i116 derive     Interrupt 116, for device(s): 17827858-edge enp34s0f1-TxRx-18
17827859-edge enp34s0f1-TxRx-19 i117 derive     Interrupt 117, for device(s): 17827859-edge enp34s0f1-TxRx-19
17827860-edge enp34s0f1-TxRx-20 i118 derive     Interrupt 118, for device(s): 17827860-edge enp34s0f1-TxRx-20
17827861-edge enp34s0f1-TxRx-21 i119 derive     Interrupt 119, for device(s): 17827861-edge enp34s0f1-TxRx-21
17827862-edge enp34s0f1-TxRx-22 i120 derive     Interrupt 120, for device(s): 17827862-edge enp34s0f1-TxRx-22
17827863-edge enp34s0f1-TxRx-23 i121 derive     Interrupt 121, for device(s): 17827863-edge enp34s0f1-TxRx-23
17827864-edge enp34s0f1-TxRx-24 i122 derive     Interrupt 122, for device(s): 17827864-edge enp34s0f1-TxRx-24
17827865-edge enp34s0f1-TxRx-25 i123 derive     Interrupt 123, for device(s): 17827865-edge enp34s0f1-TxRx-25
17827866-edge enp34s0f1-TxRx-26 i124 derive     Interrupt 124, for device(s): 17827866-edge enp34s0f1-TxRx-26
17827867-edge enp34s0f1-TxRx-27 i125 derive     Interrupt 125, for device(s): 17827867-edge enp34s0f1-TxRx-27
17827868-edge enp34s0f1-TxRx-28 i126 derive     Interrupt 126, for device(s): 17827868-edge enp34s0f1-TxRx-28
17827869-edge enp34s0f1-TxRx-29 i127 derive     Interrupt 127, for device(s): 17827869-edge enp34s0f1-TxRx-29
17827870-edge enp34s0f1-TxRx-30 i128 derive     Interrupt 128, for device(s): 17827870-edge enp34s0f1-TxRx-30
17827871-edge enp34s0f1-TxRx-31 i129 derive     Interrupt 129, for device(s): 17827871-edge enp34s0f1-TxRx-31
17827872-edge enp34s0f1-TxRx-32 i130 derive     Interrupt 130, for device(s): 17827872-edge enp34s0f1-TxRx-32
17827873-edge enp34s0f1-TxRx-33 i131 derive     Interrupt 131, for device(s): 17827873-edge enp34s0f1-TxRx-33
17827874-edge enp34s0f1-TxRx-34 i132 derive     Interrupt 132, for device(s): 17827874-edge enp34s0f1-TxRx-34
17827875-edge enp34s0f1-TxRx-35 i133 derive     Interrupt 133, for device(s): 17827875-edge enp34s0f1-TxRx-35
17827876-edge enp34s0f1-TxRx-36 i134 derive     Interrupt 134, for device(s): 17827876-edge enp34s0f1-TxRx-36
17827877-edge enp34s0f1-TxRx-37 i135 derive     Interrupt 135, for device(s): 17827877-edge enp34s0f1-TxRx-37
17827878-edge enp34s0f1-TxRx-38 i136 derive     Interrupt 136, for device(s): 17827878-edge enp34s0f1-TxRx-38
17827879-edge enp34s0f1-TxRx-39 i137 derive     Interrupt 137, for device(s): 17827879-edge enp34s0f1-TxRx-39
17827880-edge enp34s0f1-TxRx-40 i138 derive     Interrupt 138, for device(s): 17827880-edge enp34s0f1-TxRx-40
17827881-edge enp34s0f1-TxRx-41 i139 derive     Interrupt 139, for device(s): 17827881-edge enp34s0f1-TxRx-41
17827882-edge enp34s0f1-TxRx-42 i140 derive     Interrupt 140, for device(s): 17827882-edge enp34s0f1-TxRx-42
17827883-edge enp34s0f1-TxRx-43 i141 derive     Interrupt 141, for device(s): 17827883-edge enp34s0f1-TxRx-43
17827884-edge enp34s0f1-TxRx-44 i142 derive     Interrupt 142, for device(s): 17827884-edge enp34s0f1-TxRx-44
17827885-edge enp34s0f1-TxRx-45 i143 derive     Interrupt 143, for device(s): 17827885-edge enp34s0f1-TxRx-45
17827886-edge enp34s0f1-TxRx-46 i144 derive     Interrupt 144, for device(s): 17827886-edge enp34s0f1-TxRx-46
17827887-edge enp34s0f1-TxRx-47 i145 derive     Interrupt 145, for device(s): 17827887-edge enp34s0f1-TxRx-47
17827888-edge enp34s0f1 i146 derive     Interrupt 146, for device(s): 17827888-edge enp34s0f1
524288-edge eno1-0 i147 derive     Interrupt 147, for device(s): 524288-edge eno1-0
524289-edge eno1-1 i148 derive     Interrupt 148, for device(s): 524289-edge eno1-1
524290-edge eno1-2 i149 derive     Interrupt 149, for device(s): 524290-edge eno1-2
524291-edge eno1-3 i150 derive     Interrupt 150, for device(s): 524291-edge eno1-3
524292-edge eno1-4 i151 derive     Interrupt 151, for device(s): 524292-edge eno1-4
524293-edge eno1-5 i152 derive     Interrupt 152, for device(s): 524293-edge eno1-5
524294-edge eno1-6 i153 derive     Interrupt 153, for device(s): 524294-edge eno1-6
524295-edge eno1-7 i154 derive     Interrupt 154, for device(s): 524295-edge eno1-7
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