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Graph Information

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
timer	i0	derive			Interrupt 0, for device(s): timer
rtc0	i8	derive			Interrupt 8, for device(s): rtc0
acpi	i9	derive			Interrupt 9, for device(s): acpi
ipmi_si	i10	derive			Interrupt 10, for device(s): ipmi_si
ehci_hcd:usb1, ehci_hcd:usb2	i18	derive			Interrupt 18, for device(s): ehci_hcd:usb1, ehci_hcd:usb2
PCIe PME	i25	derive			Interrupt 25, for device(s): PCIe PME
PCIe PME	i26	derive			Interrupt 26, for device(s): PCIe PME
PCIe PME	i27	derive			Interrupt 27, for device(s): PCIe PME
PCIe PME	i28	derive			Interrupt 28, for device(s): PCIe PME
PCIe PME	i29	derive			Interrupt 29, for device(s): PCIe PME
PCIe PME	i30	derive			Interrupt 30, for device(s): PCIe PME
PCIe PME	i31	derive			Interrupt 31, for device(s): PCIe PME
xhci_hcd	i32	derive			Interrupt 32, for device(s): xhci_hcd
megasas0-msix0	i34	derive			Interrupt 34, for device(s): megasas0-msix0
megasas0-msix1	i35	derive			Interrupt 35, for device(s): megasas0-msix1
megasas0-msix2	i36	derive			Interrupt 36, for device(s): megasas0-msix2
megasas0-msix3	i37	derive			Interrupt 37, for device(s): megasas0-msix3
megasas0-msix4	i38	derive			Interrupt 38, for device(s): megasas0-msix4
megasas0-msix5	i39	derive			Interrupt 39, for device(s): megasas0-msix5
megasas0-msix6	i40	derive			Interrupt 40, for device(s): megasas0-msix6
megasas0-msix7	i41	derive			Interrupt 41, for device(s): megasas0-msix7
megasas0-msix8	i42	derive			Interrupt 42, for device(s): megasas0-msix8
megasas0-msix9	i43	derive			Interrupt 43, for device(s): megasas0-msix9
megasas0-msix10	i44	derive			Interrupt 44, for device(s): megasas0-msix10
megasas0-msix11	i45	derive			Interrupt 45, for device(s): megasas0-msix11
megasas0-msix12	i46	derive			Interrupt 46, for device(s): megasas0-msix12
megasas0-msix13	i47	derive			Interrupt 47, for device(s): megasas0-msix13
megasas0-msix14	i48	derive			Interrupt 48, for device(s): megasas0-msix14
megasas0-msix15	i49	derive			Interrupt 49, for device(s): megasas0-msix15
megasas0-msix16	i50	derive			Interrupt 50, for device(s): megasas0-msix16
megasas0-msix17	i51	derive			Interrupt 51, for device(s): megasas0-msix17
megasas0-msix18	i52	derive			Interrupt 52, for device(s): megasas0-msix18
megasas0-msix19	i53	derive			Interrupt 53, for device(s): megasas0-msix19
megasas0-msix20	i54	derive			Interrupt 54, for device(s): megasas0-msix20
megasas0-msix21	i55	derive			Interrupt 55, for device(s): megasas0-msix21
megasas0-msix22	i56	derive			Interrupt 56, for device(s): megasas0-msix22
megasas0-msix23	i57	derive			Interrupt 57, for device(s): megasas0-msix23
megasas0-msix24	i58	derive			Interrupt 58, for device(s): megasas0-msix24
megasas0-msix25	i59	derive			Interrupt 59, for device(s): megasas0-msix25
megasas0-msix26	i60	derive			Interrupt 60, for device(s): megasas0-msix26
megasas0-msix27	i61	derive			Interrupt 61, for device(s): megasas0-msix27
megasas0-msix28	i62	derive			Interrupt 62, for device(s): megasas0-msix28
megasas0-msix29	i63	derive			Interrupt 63, for device(s): megasas0-msix29
megasas0-msix30	i64	derive			Interrupt 64, for device(s): megasas0-msix30
megasas0-msix31	i65	derive			Interrupt 65, for device(s): megasas0-msix31
megasas0-msix32	i66	derive			Interrupt 66, for device(s): megasas0-msix32
megasas0-msix33	i67	derive			Interrupt 67, for device(s): megasas0-msix33
megasas0-msix34	i68	derive			Interrupt 68, for device(s): megasas0-msix34
megasas0-msix35	i69	derive			Interrupt 69, for device(s): megasas0-msix35
megasas0-msix36	i70	derive			Interrupt 70, for device(s): megasas0-msix36
megasas0-msix37	i71	derive			Interrupt 71, for device(s): megasas0-msix37
dmar0	i72	derive			Interrupt 72, for device(s): dmar0
dmar1	i73	derive			Interrupt 73, for device(s): dmar1
megasas0-msix38	i74	derive			Interrupt 74, for device(s): megasas0-msix38
megasas0-msix39	i75	derive			Interrupt 75, for device(s): megasas0-msix39
megasas0-msix40	i76	derive			Interrupt 76, for device(s): megasas0-msix40
megasas0-msix41	i77	derive			Interrupt 77, for device(s): megasas0-msix41
megasas0-msix42	i78	derive			Interrupt 78, for device(s): megasas0-msix42
megasas0-msix43	i79	derive			Interrupt 79, for device(s): megasas0-msix43
megasas0-msix44	i80	derive			Interrupt 80, for device(s): megasas0-msix44
megasas0-msix45	i81	derive			Interrupt 81, for device(s): megasas0-msix45
megasas0-msix46	i82	derive			Interrupt 82, for device(s): megasas0-msix46
megasas0-msix47	i83	derive			Interrupt 83, for device(s): megasas0-msix47
megasas0-msix48	i84	derive			Interrupt 84, for device(s): megasas0-msix48
megasas0-msix49	i85	derive			Interrupt 85, for device(s): megasas0-msix49
megasas0-msix50	i86	derive			Interrupt 86, for device(s): megasas0-msix50
megasas0-msix51	i87	derive			Interrupt 87, for device(s): megasas0-msix51
megasas0-msix52	i88	derive			Interrupt 88, for device(s): megasas0-msix52
megasas0-msix53	i89	derive			Interrupt 89, for device(s): megasas0-msix53
megasas0-msix54	i90	derive			Interrupt 90, for device(s): megasas0-msix54
megasas0-msix55	i91	derive			Interrupt 91, for device(s): megasas0-msix55
megasas0-msix56	i92	derive			Interrupt 92, for device(s): megasas0-msix56
0000:00:11.4	i94	derive			Interrupt 94, for device(s): 0000:00:11.4
0000:00:1f.2	i97	derive			Interrupt 97, for device(s): 0000:00:1f.2
em1-tx-0	i99	derive			Interrupt 99, for device(s): em1-tx-0
em1-rx-1	i100	derive			Interrupt 100, for device(s): em1-rx-1
em1-rx-2	i101	derive			Interrupt 101, for device(s): em1-rx-2
em1-rx-3	i102	derive			Interrupt 102, for device(s): em1-rx-3
em1-rx-4	i103	derive			Interrupt 103, for device(s): em1-rx-4
em2-tx-0	i104	derive			Interrupt 104, for device(s): em2-tx-0
em2-rx-1	i105	derive			Interrupt 105, for device(s): em2-rx-1
em2-rx-2	i106	derive			Interrupt 106, for device(s): em2-rx-2
em2-rx-3	i107	derive			Interrupt 107, for device(s): em2-rx-3
em2-rx-4	i108	derive			Interrupt 108, for device(s): em2-rx-4
em3-tx-0	i109	derive			Interrupt 109, for device(s): em3-tx-0
em3-rx-1	i110	derive			Interrupt 110, for device(s): em3-rx-1
em3-rx-2	i111	derive			Interrupt 111, for device(s): em3-rx-2
em3-rx-3	i112	derive			Interrupt 112, for device(s): em3-rx-3
em3-rx-4	i113	derive			Interrupt 113, for device(s): em3-rx-4
em4-tx-0	i114	derive			Interrupt 114, for device(s): em4-tx-0
em4-rx-1	i115	derive			Interrupt 115, for device(s): em4-rx-1
em4-rx-2	i116	derive			Interrupt 116, for device(s): em4-rx-2
em4-rx-3	i117	derive			Interrupt 117, for device(s): em4-rx-3
em4-rx-4	i118	derive			Interrupt 118, for device(s): em4-rx-4
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