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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	Warning	Critical	Info
timer [99]	i25	derive			Interrupt 25, for device(s): timer [99]
arch_timer [29]	i26	derive			Interrupt 26, for device(s): arch_timer [29]
arch_timer [30]	i27	derive			Interrupt 27, for device(s): arch_timer [30]
fe00b880.mailbox [65]	i33	derive			Interrupt 33, for device(s): fe00b880.mailbox [65]
uart-pl011 [153]	i36	derive			Interrupt 36, for device(s): uart-pl011 [153]
DMA IRQ [114]	i39	derive			Interrupt 39, for device(s): DMA IRQ [114]
VCHIQ doorbell [66]	i46	derive			Interrupt 46, for device(s): VCHIQ doorbell [66]
mmc1, mmc0 [158]	i47	derive			Interrupt 47, for device(s): mmc1, mmc0 [158]
eth0 [189]	i54	derive			Interrupt 54, for device(s): eth0 [189]
eth0 [190]	i55	derive			Interrupt 55, for device(s): eth0 [190]
v3d [106]	i61	derive			Interrupt 61, for device(s): v3d [106]
PCIe PME [175]	i62	derive			Interrupt 62, for device(s): PCIe PME [175]
STB PCIe MSI 524288 Edge xhci_hcd	i63	derive			Interrupt 63, for device(s): STB PCIe MSI 524288 Edge xhci_hcd
CPU wakeup interrupts	iIPI0	derive			Interrupt IPI0, for device(s): CPU wakeup interrupts
Timer broadcast interrupts	iIPI1	derive			Interrupt IPI1, for device(s): Timer broadcast interrupts
Rescheduling interrupts	iIPI2	derive			Interrupt IPI2, for device(s): Rescheduling interrupts
Function call interrupts	iIPI3	derive			Interrupt IPI3, for device(s): Function call interrupts
CPU stop interrupts	iIPI4	derive			Interrupt IPI4, for device(s): CPU stop interrupts
IRQ work interrupts	iIPI5	derive			Interrupt IPI5, for device(s): IRQ work interrupts
completion interrupts	iIPI6	derive			Interrupt IPI6, for device(s): completion interrupts
Err	iErr	derive