scpd.dot

 1digraph state_automaton {
 2	center = true;
 3	size = "7,11";
 4	{node [shape = plaintext] "can_sched"};
 5	{node [shape = plaintext, style=invis, label=""] "__init_cant_sched"};
 6	{node [shape = ellipse] "cant_sched"};
 7	{node [shape = plaintext] "cant_sched"};
 8	"__init_cant_sched" -> "cant_sched";
 9	"can_sched" [label = "can_sched"];
10	"can_sched" -> "can_sched" [ label = "schedule_entry\nschedule_exit" ];
11	"can_sched" -> "cant_sched" [ label = "preempt_enable" ];
12	"cant_sched" [label = "cant_sched", color = green3];
13	"cant_sched" -> "can_sched" [ label = "preempt_disable" ];
14	{ rank = min ;
15		"__init_cant_sched";
16		"cant_sched";
17	}
18}