Documentation.md

@@ -133,3 +133,14 @@ CPU Timers                                           : #calls  |  #yields |    m
                                     StarPU driver :8 :        1          0      2.652      2.652     59.186
 [...]
 ```
+
+More options are available using Apex, such as getting the taskgraph or the tasktree:
+```
+~/x86/apex/install/bin/apex_exec --apex:cuda --apex:taskgraph ./lu_example_float 
+```
+
+This command will give you a file `taskgraph.0.dot` that can be converted using `dot`. The output is super cute, and the darker the rectangle is, the more time is spent in the corresponding task.
+```
+dot -Tpng taskgraph.0.dot > taskgraph.0.png
+```
+![taskgraph.0](uploads/19d7687b344b658c1dde1ae98d63282e/taskgraph.0.png)
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