Overview :: dt2 :: aquapi :: irqstats

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Service graphs

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
2000b880.mailbox [1]	i17	derive			Interrupt 17, for device(s): 2000b880.mailbox [1]
VCHIQ doorbell [2]	i18	derive			Interrupt 18, for device(s): VCHIQ doorbell [2]
timer [35]	i27	derive			Interrupt 27, for device(s): timer [35]
bcm2708_fb DMA [48]	i40	derive			Interrupt 40, for device(s): bcm2708_fb DMA [48]
DMA IRQ [50]	i42	derive			Interrupt 42, for device(s): DMA IRQ [50]
dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1 [64]	i56	derive			Interrupt 56, for device(s): dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1 [64]
mmc0 [88]	i80	derive			Interrupt 80, for device(s): mmc0 [88]
uart-pl011 [89]	i81	derive			Interrupt 81, for device(s): uart-pl011 [89]
FIQ	iFIQ	derive
Err	iErr	derive