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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
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
32768-edge PCIe PME i25 derive     Interrupt 25, for device(s): 32768-edge PCIe PME
49152-edge PCIe PME i27 derive     Interrupt 27, for device(s): 49152-edge PCIe PME
278528-edge PCIe PME i28 derive     Interrupt 28, for device(s): 278528-edge PCIe PME
33570816-edge PCIe PME i30 derive     Interrupt 30, for device(s): 33570816-edge PCIe PME
100696064-edge PCIe PME i32 derive     Interrupt 32, for device(s): 100696064-edge PCIe PME
100700160-edge PCIe PME i33 derive     Interrupt 33, for device(s): 100700160-edge PCIe PME
100712448-edge PCIe PME i35 derive     Interrupt 35, for device(s): 100712448-edge PCIe PME
512000-edge ahci[0000:00:1f.2] i36 derive     Interrupt 36, for device(s): 512000-edge ahci[0000:00:1f.2]
65536-edge ioat-msix i38 derive     Interrupt 38, for device(s): 65536-edge ioat-msix
67584-edge ioat-msix i40 derive     Interrupt 40, for device(s): 67584-edge ioat-msix
69632-edge ioat-msix i41 derive     Interrupt 41, for device(s): 69632-edge ioat-msix
71680-edge ioat-msix i42 derive     Interrupt 42, for device(s): 71680-edge ioat-msix
73728-edge ioat-msix i43 derive     Interrupt 43, for device(s): 73728-edge ioat-msix
75776-edge ioat-msix i44 derive     Interrupt 44, for device(s): 75776-edge ioat-msix
77824-edge ioat-msix i45 derive     Interrupt 45, for device(s): 77824-edge ioat-msix
79872-edge ioat-msix i46 derive     Interrupt 46, for device(s): 79872-edge ioat-msix
33619968-edge ioat-msix i48 derive     Interrupt 48, for device(s): 33619968-edge ioat-msix
33622016-edge ioat-msix i50 derive     Interrupt 50, for device(s): 33622016-edge ioat-msix
33624064-edge ioat-msix i51 derive     Interrupt 51, for device(s): 33624064-edge ioat-msix
101187584-edge enp193s0f0 i52 derive     Interrupt 52, for device(s): 101187584-edge enp193s0f0
101187585-edge enp193s0f0-TxRx-0 i53 derive     Interrupt 53, for device(s): 101187585-edge enp193s0f0-TxRx-0
101187586-edge enp193s0f0-TxRx-1 i54 derive     Interrupt 54, for device(s): 101187586-edge enp193s0f0-TxRx-1
101187587-edge enp193s0f0-TxRx-2 i55 derive     Interrupt 55, for device(s): 101187587-edge enp193s0f0-TxRx-2
101187588-edge enp193s0f0-TxRx-3 i56 derive     Interrupt 56, for device(s): 101187588-edge enp193s0f0-TxRx-3
101187589-edge enp193s0f0-TxRx-4 i57 derive     Interrupt 57, for device(s): 101187589-edge enp193s0f0-TxRx-4
101187590-edge enp193s0f0-TxRx-5 i58 derive     Interrupt 58, for device(s): 101187590-edge enp193s0f0-TxRx-5
101187591-edge enp193s0f0-TxRx-6 i59 derive     Interrupt 59, for device(s): 101187591-edge enp193s0f0-TxRx-6
101187592-edge enp193s0f0-TxRx-7 i60 derive     Interrupt 60, for device(s): 101187592-edge enp193s0f0-TxRx-7
33626112-edge ioat-msix i61 derive     Interrupt 61, for device(s): 33626112-edge ioat-msix
33628160-edge ioat-msix i62 derive     Interrupt 62, for device(s): 33628160-edge ioat-msix
33630208-edge ioat-msix i63 derive     Interrupt 63, for device(s): 33630208-edge ioat-msix
33632256-edge ioat-msix i64 derive     Interrupt 64, for device(s): 33632256-edge ioat-msix
33634304-edge ioat-msix i65 derive     Interrupt 65, for device(s): 33634304-edge ioat-msix
101189632-edge enp193s0f1 i67 derive     Interrupt 67, for device(s): 101189632-edge enp193s0f1
101189633-edge enp193s0f1-TxRx-0 i68 derive     Interrupt 68, for device(s): 101189633-edge enp193s0f1-TxRx-0
101189634-edge enp193s0f1-TxRx-1 i69 derive     Interrupt 69, for device(s): 101189634-edge enp193s0f1-TxRx-1
101189635-edge enp193s0f1-TxRx-2 i70 derive     Interrupt 70, for device(s): 101189635-edge enp193s0f1-TxRx-2
101189636-edge enp193s0f1-TxRx-3 i71 derive     Interrupt 71, for device(s): 101189636-edge enp193s0f1-TxRx-3
101189637-edge enp193s0f1-TxRx-4 i72 derive     Interrupt 72, for device(s): 101189637-edge enp193s0f1-TxRx-4
101189638-edge enp193s0f1-TxRx-5 i73 derive     Interrupt 73, for device(s): 101189638-edge enp193s0f1-TxRx-5
101189639-edge enp193s0f1-TxRx-6 i74 derive     Interrupt 74, for device(s): 101189639-edge enp193s0f1-TxRx-6
101189640-edge enp193s0f1-TxRx-7 i75 derive     Interrupt 75, for device(s): 101189640-edge enp193s0f1-TxRx-7
67174400-edge ioat-msix i77 derive     Interrupt 77, for device(s): 67174400-edge ioat-msix
67176448-edge ioat-msix i79 derive     Interrupt 79, for device(s): 67176448-edge ioat-msix
67178496-edge ioat-msix i80 derive     Interrupt 80, for device(s): 67178496-edge ioat-msix
67180544-edge ioat-msix i81 derive     Interrupt 81, for device(s): 67180544-edge ioat-msix
67182592-edge ioat-msix i82 derive     Interrupt 82, for device(s): 67182592-edge ioat-msix
67184640-edge ioat-msix i83 derive     Interrupt 83, for device(s): 67184640-edge ioat-msix
67186688-edge ioat-msix i84 derive     Interrupt 84, for device(s): 67186688-edge ioat-msix
67188736-edge ioat-msix i85 derive     Interrupt 85, for device(s): 67188736-edge ioat-msix
100728832-edge ioat-msix i87 derive     Interrupt 87, for device(s): 100728832-edge ioat-msix
100730880-edge ioat-msix i89 derive     Interrupt 89, for device(s): 100730880-edge ioat-msix
100732928-edge ioat-msix i90 derive     Interrupt 90, for device(s): 100732928-edge ioat-msix
100734976-edge ioat-msix i91 derive     Interrupt 91, for device(s): 100734976-edge ioat-msix
100737024-edge ioat-msix i92 derive     Interrupt 92, for device(s): 100737024-edge ioat-msix
100739072-edge ioat-msix i93 derive     Interrupt 93, for device(s): 100739072-edge ioat-msix
100741120-edge ioat-msix i94 derive     Interrupt 94, for device(s): 100741120-edge ioat-msix
100743168-edge ioat-msix i95 derive     Interrupt 95, for device(s): 100743168-edge ioat-msix
2-edge dmar2 i120 derive     Interrupt 120, for device(s): 2-edge dmar2
1-edge dmar1 i121 derive     Interrupt 121, for device(s): 1-edge dmar1
0-edge dmar0 i122 derive     Interrupt 122, for device(s): 0-edge dmar0
3-edge dmar3 i123 derive     Interrupt 123, for device(s): 3-edge dmar3
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