Verilog System Dependence Graph Extraction
pygraphviz
$ sudo apt-get install graphviz graphviz-dev
$ pip install pygraphviz
If you have any problems please check https://pygraphviz.github.io/documentation/stable/install.html
-o --target-dir
Target directory, default: work
-t --top
Top module
-f --file-list
Design file list
-a --all
Extract SDGs of all modules, if not set, only SDG of top module is generated.
-v
Verbose Makefiles in tests designs are ready to be launched
To open the files you can use xDOT: $ sudo apt install xdot