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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
i8042	i1	derive			Interrupt 1, for device(s): i8042
rtc0	i8	derive			Interrupt 8, for device(s): rtc0
acpi	i9	derive			Interrupt 9, for device(s): acpi
i8042	i12	derive			Interrupt 12, for device(s): i8042
uhci_hcd:usb1	i16	derive			Interrupt 16, for device(s): uhci_hcd:usb1
uhci_hcd:usb6, ehci_hcd:usb7, i801_smbus	i18	derive			Interrupt 18, for device(s): uhci_hcd:usb6, ehci_hcd:usb7, i801_smbus
uhci_hcd:usb3, uhci_hcd:usb5	i19	derive			Interrupt 19, for device(s): uhci_hcd:usb3, uhci_hcd:usb5
uhci_hcd:usb2	i21	derive			Interrupt 21, for device(s): uhci_hcd:usb2
uhci_hcd:usb4, ehci_hcd:usb8	i23	derive			Interrupt 23, for device(s): uhci_hcd:usb4, ehci_hcd:usb8
dmar0	i64	derive			Interrupt 64, for device(s): dmar0
megasas	i69	derive			Interrupt 69, for device(s): megasas
megasas	i70	derive			Interrupt 70, for device(s): megasas
megasas	i71	derive			Interrupt 71, for device(s): megasas
megasas	i72	derive			Interrupt 72, for device(s): megasas
megasas	i73	derive			Interrupt 73, for device(s): megasas
megasas	i74	derive			Interrupt 74, for device(s): megasas
megasas	i75	derive			Interrupt 75, for device(s): megasas
megasas	i76	derive			Interrupt 76, for device(s): megasas
megasas	i77	derive			Interrupt 77, for device(s): megasas
megasas	i78	derive			Interrupt 78, for device(s): megasas
megasas	i79	derive			Interrupt 79, for device(s): megasas
megasas	i80	derive			Interrupt 80, for device(s): megasas
megasas	i81	derive			Interrupt 81, for device(s): megasas
megasas	i82	derive			Interrupt 82, for device(s): megasas
megasas	i83	derive			Interrupt 83, for device(s): megasas
megasas	i84	derive			Interrupt 84, for device(s): megasas
eth0	i85	derive			Interrupt 85, for device(s): eth0
eth0-TxRx-0	i86	derive			Interrupt 86, for device(s): eth0-TxRx-0
eth0-TxRx-1	i87	derive			Interrupt 87, for device(s): eth0-TxRx-1
eth0-TxRx-2	i88	derive			Interrupt 88, for device(s): eth0-TxRx-2
eth0-TxRx-3	i89	derive			Interrupt 89, for device(s): eth0-TxRx-3
eth0-TxRx-4	i90	derive			Interrupt 90, for device(s): eth0-TxRx-4
eth0-TxRx-5	i91	derive			Interrupt 91, for device(s): eth0-TxRx-5
eth0-TxRx-6	i92	derive			Interrupt 92, for device(s): eth0-TxRx-6
eth0-TxRx-7	i93	derive			Interrupt 93, for device(s): eth0-TxRx-7
ahci0	i94	derive			Interrupt 94, for device(s): ahci0
ahci1	i95	derive			Interrupt 95, for device(s): ahci1
ahci2	i96	derive			Interrupt 96, for device(s): ahci2
ahci3	i97	derive			Interrupt 97, for device(s): ahci3
ahci4	i98	derive			Interrupt 98, for device(s): ahci4
ahci5	i99	derive			Interrupt 99, for device(s): ahci5
eth1	i110	derive			Interrupt 110, for device(s): eth1
eth1-TxRx-0	i111	derive			Interrupt 111, for device(s): eth1-TxRx-0
eth1-TxRx-1	i112	derive			Interrupt 112, for device(s): eth1-TxRx-1
eth1-TxRx-2	i113	derive			Interrupt 113, for device(s): eth1-TxRx-2
eth1-TxRx-3	i114	derive			Interrupt 114, for device(s): eth1-TxRx-3
eth1-TxRx-4	i115	derive			Interrupt 115, for device(s): eth1-TxRx-4
eth1-TxRx-5	i116	derive			Interrupt 116, for device(s): eth1-TxRx-5
eth1-TxRx-6	i117	derive			Interrupt 117, for device(s): eth1-TxRx-6
eth1-TxRx-7	i118	derive			Interrupt 118, for device(s): eth1-TxRx-7
ioat-msix	i119	derive			Interrupt 119, for device(s): ioat-msix
ioat-msix	i120	derive			Interrupt 120, for device(s): ioat-msix
ioat-msix	i121	derive			Interrupt 121, for device(s): ioat-msix
ioat-msix	i122	derive			Interrupt 122, for device(s): ioat-msix
ioat-msix	i123	derive			Interrupt 123, for device(s): ioat-msix
ioat-msix	i124	derive			Interrupt 124, for device(s): ioat-msix
ioat-msix	i125	derive			Interrupt 125, for device(s): ioat-msix
ioat-msix	i126	derive			Interrupt 126, for device(s): ioat-msix
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
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
ERR	iERR	derive
MIS	iMIS	derive