Graphical illustration of process schedule

Probably using a tree-like structure which follows the call stack and names process-related steps:

flower patches
    refill
    decontamination
hoverfly clutches
    hatch eggs
bumblbee colonies
    decontamination
hoverflies
    reproduction
    insect
        foraging
        infection/contamination
        recovery
solitary bees
    reproduction
    insect
        foraging
        infection/contamination
        recovery
bumblebees
    reproduction
    insect
        foraging
        infection/contamination
        recovery