1# Copyright (c) 2012-2013 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license

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30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35#
36# Authors: Andreas Hansson
37# Uri Wiener
38
39#####################################################################
40#
41# System visualization using DOT
42#
43# While config.ini and config.json provide an almost complete listing
44# of a system's components and connectivity, they lack a birds-eye
45# view. The output generated by do_dot() is a DOT-based figure (as a

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251 if isPort:
252 r, g, b = map(lambda x: 0.8 * x, (r, g, b))
253
254 return dot_rgb_to_html(r, g, b)
255
256def dot_rgb_to_html(r, g, b):
257 return "#%.2x%.2x%.2x" % (r, g, b)
258
259def do_dot(root, outdir, dotFilename):
260 if not pydot:
261 return
262 # * use ranksep > 1.0 for for vertical separation between nodes
263 # especially useful if you need to annotate edges using e.g. visio
264 # which accepts svg format
265 # * no need for hoizontal separation as nothing moves horizonally
266 callgraph = pydot.Dot(graph_type='digraph', ranksep='1.3')
267 dot_create_nodes(root, callgraph)
268 dot_create_edges(root, callgraph)
269 dot_filename = os.path.join(outdir, dotFilename)
270 callgraph.write(dot_filename)
271 try:
272 # dot crashes if the figure is extremely wide.
273 # So avoid terminating simulation unnecessarily
274 callgraph.write_svg(dot_filename + ".svg")
275 callgraph.write_pdf(dot_filename + ".pdf")
276 except:
277 warn("failed to generate dot output from %s", dot_filename)