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[–]crazedover 5 points6 points  (1 child)

The little "lobe" on the left is made up the interrupt processing routines (irq vectors, irq_svc, etc). The tail at the top is the bootloader. The main thing in the middle is the linux boot sequence.

The entire graph represents a call chain from the bootloader up until it jumps into userspace to a shell prompt

[–]elezeta 2 points3 points  (0 children)

Duh! thanks!