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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
3 Edge BCM2708 Timer Tick i3 derive     Interrupt 3, for device(s): 3 Edge BCM2708 Timer Tick
16 Edge bcm2708_fb dma i16 derive     Interrupt 16, for device(s): 16 Edge bcm2708_fb dma
32 i32 derive     Interrupt 32, for device(s): 32 Edge dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1
49 Edge 20200000.gpio:bank0 i49 derive     Interrupt 49, for device(s): 49 Edge 20200000.gpio:bank0
50 Edge 20200000.gpio:bank1 i50 derive     Interrupt 50, for device(s): 50 Edge 20200000.gpio:bank1
65 Edge 2000b880.mailbox i65 derive     Interrupt 65, for device(s): 65 Edge 2000b880.mailbox
66 Edge VCHIQ doorbell i66 derive     Interrupt 66, for device(s): 66 Edge VCHIQ doorbell
75 Edge i75 derive     Interrupt 75, for device(s): 75 Edge
77 Edge DMA IRQ i77 derive     Interrupt 77, for device(s): 77 Edge DMA IRQ
82 Edge mmc0 i82 derive     Interrupt 82, for device(s): 82 Edge mmc0
FIQ iFIQ derive      
Err iErr derive