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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]	i17	derive			Interrupt 17, for device(s): timer [99]
arch_timer [29]	i18	derive			Interrupt 18, for device(s): arch_timer [29]
arch_timer [30]	i19	derive			Interrupt 19, for device(s): arch_timer [30]
fe00b880.mailbox [65]	i26	derive			Interrupt 26, for device(s): fe00b880.mailbox [65]
uart-pl011 [153]	i29	derive			Interrupt 29, for device(s): uart-pl011 [153]
DMA IRQ [114]	i32	derive			Interrupt 32, for device(s): DMA IRQ [114]
VCHIQ doorbell [66]	i39	derive			Interrupt 39, for device(s): VCHIQ doorbell [66]
mmc1, mmc0 [158]	i40	derive			Interrupt 40, for device(s): mmc1, mmc0 [158]
arm-pmu [48]	i42	derive			Interrupt 42, for device(s): arm-pmu [48]
arm-pmu [49]	i43	derive			Interrupt 43, for device(s): arm-pmu [49]
arm-pmu [50]	i44	derive			Interrupt 44, for device(s): arm-pmu [50]
arm-pmu [51]	i45	derive			Interrupt 45, for device(s): arm-pmu [51]
eth0 [189]	i47	derive			Interrupt 47, for device(s): eth0 [189]
eth0 [190]	i48	derive			Interrupt 48, for device(s): eth0 [190]
v3d [106]	i54	derive			Interrupt 54, for device(s): v3d [106]
PCIe PME, aerdrv [175]	i55	derive			Interrupt 55, for device(s): PCIe PME, aerdrv [175]
STB PCIe MSI 524288 Edge xhci_hcd	i56	derive			Interrupt 56, 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