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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
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
17-fasteoi uhci_hcd:usb2 i17 derive     Interrupt 17, for device(s): 17-fasteoi uhci_hcd:usb2
18-fasteoi uhci_hcd:usb4 i18 derive     Interrupt 18, for device(s): 18-fasteoi uhci_hcd:usb4
19-fasteoi ehci_hcd:usb1 i19 derive     Interrupt 19, for device(s): 19-fasteoi ehci_hcd:usb1
20-fasteoi uhci_hcd:usb6 i20 derive     Interrupt 20, for device(s): 20-fasteoi uhci_hcd:usb6
21-fasteoi ehci_hcd:usb3, uhci_hcd:usb5 i21 derive     Interrupt 21, for device(s): 21-fasteoi ehci_hcd:usb3, uhci_hcd:usb5
23-fasteoi ata_piix i23 derive     Interrupt 23, for device(s): 23-fasteoi ata_piix
16384-edge PCIe PME i25 derive     Interrupt 25, for device(s): 16384-edge PCIe PME
49152-edge PCIe PME i26 derive     Interrupt 26, for device(s): 49152-edge PCIe PME
65536-edge PCIe PME i27 derive     Interrupt 27, for device(s): 65536-edge PCIe PME
81920-edge PCIe PME i28 derive     Interrupt 28, for device(s): 81920-edge PCIe PME
98304-edge PCIe PME i29 derive     Interrupt 29, for device(s): 98304-edge PCIe PME
114688-edge PCIe PME i30 derive     Interrupt 30, for device(s): 114688-edge PCIe PME
147456-edge PCIe PME i31 derive     Interrupt 31, for device(s): 147456-edge PCIe PME
2621440-edge nvme0q0 i33 derive     Interrupt 33, for device(s): 2621440-edge nvme0q0
2621441-edge nvme0q1 i34 derive     Interrupt 34, for device(s): 2621441-edge nvme0q1
2621442-edge nvme0q2 i35 derive     Interrupt 35, for device(s): 2621442-edge nvme0q2
2621443-edge nvme0q3 i36 derive     Interrupt 36, for device(s): 2621443-edge nvme0q3
2621444-edge nvme0q4 i37 derive     Interrupt 37, for device(s): 2621444-edge nvme0q4
2621445-edge nvme0q5 i38 derive     Interrupt 38, for device(s): 2621445-edge nvme0q5
2621446-edge nvme0q6 i39 derive     Interrupt 39, for device(s): 2621446-edge nvme0q6
2-fasteoi mvsas i45 derive     Interrupt 45, for device(s): 2-fasteoi mvsas
3145728-edge mpt2sas0-msix0 i47 derive     Interrupt 47, for device(s): 3145728-edge mpt2sas0-msix0
3670016-edge mlx4-async@pci:0000:07:00.0 i48 derive     Interrupt 48, for device(s): 3670016-edge mlx4-async@pci:0000:07:00.0
3670017-edge mlx4-1@0000:07:00.0 i49 derive     Interrupt 49, for device(s): 3670017-edge mlx4-1@0000:07:00.0
3670018-edge mlx4-2@0000:07:00.0 i50 derive     Interrupt 50, for device(s): 3670018-edge mlx4-2@0000:07:00.0
3670019-edge mlx4-3@0000:07:00.0 i51 derive     Interrupt 51, for device(s): 3670019-edge mlx4-3@0000:07:00.0
3670020-edge mlx4-4@0000:07:00.0 i52 derive     Interrupt 52, for device(s): 3670020-edge mlx4-4@0000:07:00.0
3670021-edge mlx4-5@0000:07:00.0 i53 derive     Interrupt 53, for device(s): 3670021-edge mlx4-5@0000:07:00.0
3670022-edge mlx4-6@0000:07:00.0 i54 derive     Interrupt 54, for device(s): 3670022-edge mlx4-6@0000:07:00.0
3670023-edge mlx4-7@0000:07:00.0 i55 derive     Interrupt 55, for device(s): 3670023-edge mlx4-7@0000:07:00.0
3670024-edge mlx4-8@0000:07:00.0 i56 derive     Interrupt 56, for device(s): 3670024-edge mlx4-8@0000:07:00.0
3670025-edge mlx4-9@0000:07:00.0 i57 derive     Interrupt 57, for device(s): 3670025-edge mlx4-9@0000:07:00.0
3670026-edge mlx4-10@0000:07:00.0 i58 derive     Interrupt 58, for device(s): 3670026-edge mlx4-10@0000:07:00.0
3670027-edge mlx4-11@0000:07:00.0 i59 derive     Interrupt 59, for device(s): 3670027-edge mlx4-11@0000:07:00.0
3670028-edge mlx4-12@0000:07:00.0 i60 derive     Interrupt 60, for device(s): 3670028-edge mlx4-12@0000:07:00.0
3670029-edge mlx4-13@0000:07:00.0 i61 derive     Interrupt 61, for device(s): 3670029-edge mlx4-13@0000:07:00.0
3670030-edge mlx4-14@0000:07:00.0 i62 derive     Interrupt 62, for device(s): 3670030-edge mlx4-14@0000:07:00.0
3670031-edge mlx4-15@0000:07:00.0 i63 derive     Interrupt 63, for device(s): 3670031-edge mlx4-15@0000:07:00.0
3670032-edge mlx4-16@0000:07:00.0 i64 derive     Interrupt 64, for device(s): 3670032-edge mlx4-16@0000:07:00.0
3670033-edge mlx4-17@0000:07:00.0 i65 derive     Interrupt 65, for device(s): 3670033-edge mlx4-17@0000:07:00.0
3670034-edge mlx4-18@0000:07:00.0 i66 derive     Interrupt 66, for device(s): 3670034-edge mlx4-18@0000:07:00.0
3670035-edge mlx4-19@0000:07:00.0 i67 derive     Interrupt 67, for device(s): 3670035-edge mlx4-19@0000:07:00.0
3670036-edge mlx4-20@0000:07:00.0 i68 derive     Interrupt 68, for device(s): 3670036-edge mlx4-20@0000:07:00.0
3670037-edge mlx4-21@0000:07:00.0 i69 derive     Interrupt 69, for device(s): 3670037-edge mlx4-21@0000:07:00.0
3670038-edge mlx4-22@0000:07:00.0 i70 derive     Interrupt 70, for device(s): 3670038-edge mlx4-22@0000:07:00.0
3670039-edge mlx4-23@0000:07:00.0 i71 derive     Interrupt 71, for device(s): 3670039-edge mlx4-23@0000:07:00.0
3670040-edge mlx4-24@0000:07:00.0 i72 derive     Interrupt 72, for device(s): 3670040-edge mlx4-24@0000:07:00.0
3670041-edge mlx4-25@0000:07:00.0 i73 derive     Interrupt 73, for device(s): 3670041-edge mlx4-25@0000:07:00.0
3670042-edge mlx4-26@0000:07:00.0 i74 derive     Interrupt 74, for device(s): 3670042-edge mlx4-26@0000:07:00.0
3670043-edge mlx4-27@0000:07:00.0 i75 derive     Interrupt 75, for device(s): 3670043-edge mlx4-27@0000:07:00.0
3670044-edge mlx4-28@0000:07:00.0 i76 derive     Interrupt 76, for device(s): 3670044-edge mlx4-28@0000:07:00.0
3670045-edge mlx4-29@0000:07:00.0 i77 derive     Interrupt 77, for device(s): 3670045-edge mlx4-29@0000:07:00.0
3670046-edge mlx4-30@0000:07:00.0 i78 derive     Interrupt 78, for device(s): 3670046-edge mlx4-30@0000:07:00.0
3670047-edge mlx4-31@0000:07:00.0 i79 derive     Interrupt 79, for device(s): 3670047-edge mlx4-31@0000:07:00.0
3670048-edge mlx4-32@0000:07:00.0 i80 derive     Interrupt 80, for device(s): 3670048-edge mlx4-32@0000:07:00.0
3670049-edge mlx4-33@0000:07:00.0 i81 derive     Interrupt 81, for device(s): 3670049-edge mlx4-33@0000:07:00.0
3670050-edge mlx4-34@0000:07:00.0 i82 derive     Interrupt 82, for device(s): 3670050-edge mlx4-34@0000:07:00.0
3670051-edge mlx4-35@0000:07:00.0 i83 derive     Interrupt 83, for device(s): 3670051-edge mlx4-35@0000:07:00.0
3670052-edge mlx4-36@0000:07:00.0 i84 derive     Interrupt 84, for device(s): 3670052-edge mlx4-36@0000:07:00.0
3670053-edge mlx4-37@0000:07:00.0 i85 derive     Interrupt 85, for device(s): 3670053-edge mlx4-37@0000:07:00.0
3670054-edge mlx4-38@0000:07:00.0 i86 derive     Interrupt 86, for device(s): 3670054-edge mlx4-38@0000:07:00.0
3670055-edge mlx4-39@0000:07:00.0 i87 derive     Interrupt 87, for device(s): 3670055-edge mlx4-39@0000:07:00.0
3670056-edge mlx4-40@0000:07:00.0 i88 derive     Interrupt 88, for device(s): 3670056-edge mlx4-40@0000:07:00.0
3670057-edge mlx4-41@0000:07:00.0 i89 derive     Interrupt 89, for device(s): 3670057-edge mlx4-41@0000:07:00.0
3670058-edge mlx4-42@0000:07:00.0 i90 derive     Interrupt 90, for device(s): 3670058-edge mlx4-42@0000:07:00.0
3670059-edge mlx4-43@0000:07:00.0 i91 derive     Interrupt 91, for device(s): 3670059-edge mlx4-43@0000:07:00.0
3670060-edge mlx4-44@0000:07:00.0 i92 derive     Interrupt 92, for device(s): 3670060-edge mlx4-44@0000:07:00.0
3670061-edge mlx4-45@0000:07:00.0 i93 derive     Interrupt 93, for device(s): 3670061-edge mlx4-45@0000:07:00.0
3670062-edge mlx4-46@0000:07:00.0 i94 derive     Interrupt 94, for device(s): 3670062-edge mlx4-46@0000:07:00.0
3670063-edge mlx4-47@0000:07:00.0 i95 derive     Interrupt 95, for device(s): 3670063-edge mlx4-47@0000:07:00.0
3670064-edge mlx4-48@0000:07:00.0 i96 derive     Interrupt 96, for device(s): 3670064-edge mlx4-48@0000:07:00.0
1050624-edge eno4-0 i97 derive     Interrupt 97, for device(s): 1050624-edge eno4-0
1050625-edge eno4-1 i98 derive     Interrupt 98, for device(s): 1050625-edge eno4-1
1050626-edge eno4-2 i99 derive     Interrupt 99, for device(s): 1050626-edge eno4-2
1050627-edge eno4-3 i100 derive     Interrupt 100, for device(s): 1050627-edge eno4-3
1050628-edge eno4-4 i101 derive     Interrupt 101, for device(s): 1050628-edge eno4-4
1050629-edge eno4-5 i102 derive     Interrupt 102, for device(s): 1050629-edge eno4-5
1050630-edge eno4-6 i103 derive     Interrupt 103, for device(s): 1050630-edge eno4-6
1050631-edge eno4-7 i104 derive     Interrupt 104, for device(s): 1050631-edge eno4-7
524288-edge eno1-0 i106 derive     Interrupt 106, for device(s): 524288-edge eno1-0
524289-edge eno1-1 i107 derive     Interrupt 107, for device(s): 524289-edge eno1-1
524290-edge eno1-2 i108 derive     Interrupt 108, for device(s): 524290-edge eno1-2
524291-edge eno1-3 i109 derive     Interrupt 109, for device(s): 524291-edge eno1-3
524292-edge eno1-4 i110 derive     Interrupt 110, for device(s): 524292-edge eno1-4
524293-edge eno1-5 i111 derive     Interrupt 111, for device(s): 524293-edge eno1-5
524294-edge eno1-6 i112 derive     Interrupt 112, for device(s): 524294-edge eno1-6
524295-edge eno1-7 i113 derive     Interrupt 113, for device(s): 524295-edge eno1-7
526336-edge eno2-0 i115 derive     Interrupt 115, for device(s): 526336-edge eno2-0
526337-edge eno2-1 i116 derive     Interrupt 116, for device(s): 526337-edge eno2-1
526338-edge eno2-2 i117 derive     Interrupt 117, for device(s): 526338-edge eno2-2
526339-edge eno2-3 i118 derive     Interrupt 118, for device(s): 526339-edge eno2-3
526340-edge eno2-4 i119 derive     Interrupt 119, for device(s): 526340-edge eno2-4
526341-edge eno2-5 i120 derive     Interrupt 120, for device(s): 526341-edge eno2-5
526342-edge eno2-6 i121 derive     Interrupt 121, for device(s): 526342-edge eno2-6
526343-edge eno2-7 i122 derive     Interrupt 122, for device(s): 526343-edge eno2-7
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