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+digraph T {
+ /* Make sure our payloads are always drawn below the driver node */
+ subgraph cluster_driver {
+ fillcolor = grey;
+ style = filled;
+ edge [dir=none];
+ driver -> payload1;
+ driver -> payload2 [penwidth=3];
+ edge [dir=""];
+ }
+
+ /* Driver malloc references */
+ edge [style=dashed];
+ driver -> port1;
+ driver -> port2;
+ driver -> port3:e;
+ driver -> port4 [color=grey];
+ payload1:s -> port1:e;
+ payload2:s -> port3:e [penwidth=3];
+ edge [style=""];
+
+ subgraph cluster_topology {
+ label="Topology Manager";
+ labelloc=bottom;
+
+ /* Topology references */
+ mstb1 -> {port1, port2};
+ port1 -> mstb2;
+ edge [color=grey];
+ port2 -> mstb3 -> {port3, port4};
+ port3 -> mstb4;
+ edge [color=""];
+
+ /* Malloc references */
+ edge [style=dashed;dir=back];
+ mstb1 -> {port1, port2};
+ port1 -> mstb2;
+ port2 -> mstb3 [penwidth=3];
+ mstb3 -> port3 [penwidth=3];
+ edge [color=grey];
+ mstb3 -> port4;
+ port3 -> mstb4;
+ }
+
+ mstb1 [label="MSTB #1";style=filled;fillcolor=palegreen];
+ mstb2 [label="MSTB #2";style=filled;fillcolor=palegreen];
+ mstb3 [label="MSTB #3";style=filled;fillcolor=palegreen;penwidth=3];
+ mstb4 [label="MSTB #4";style=filled;fillcolor=grey];
+
+ port1 [label="Port #1"];
+ port2 [label="Port #2";penwidth=5];
+ port3 [label="Port #3";penwidth=3];
+ port4 [label="Port #4";style=filled;fillcolor=grey];
+
+ driver [label="DRM driver";style=filled;shape=box;fillcolor=lightblue];
+
+ payload1 [label="Payload #1";style=filled;shape=box;fillcolor=lightblue];
+ payload2 [label="Payload #2";style=filled;shape=box;fillcolor=lightblue;penwidth=3];
+}