digraph state_automaton { {node [shape = plaintext, style=invis, label=""] "__init_not_running"}; {node [shape = ellipse] "not_running"}; {node [shape = plaintext] "not_running"}; {node [shape = plaintext] "running"}; "__init_not_running" -> "not_running"; "not_running" [label = "not_running", color = green3]; "not_running" -> "not_running" [ label = "wakeup" ]; "not_running" -> "running" [ label = "switch_in" ]; "running" [label = "running"]; "running" -> "not_running" [ label = "switch_out" ]; { rank = min ; "__init_not_running"; "not_running"; } }