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# Copyright (c) 2019 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Tiago Muck
# Creates a visual representation of a Ruby network topology
import os
import m5
from m5.util import warn
try:
import pydot
except:
pydot = False
def _dot_rgb_to_html(r, g, b):
return "#%.2x%.2x%.2x" % (r, g, b)
def _dot_create_router_node(full_path, label):
return pydot.Node( \
full_path, \
shape = "Mrecord", \
label = label, \
style = "\"rounded, filled\"", \
color = "#000000", \
fillcolor = _dot_rgb_to_html(204, 230, 252), \
fontname = "Arial", \
fontsize = "14", \
fontcolor = "#000000" \
)
def _dot_create_ctrl_node(full_path, label):
return pydot.Node( \
full_path, \
shape = "Mrecord", \
label = label, \
style = "\"rounded, filled\"", \
color = "#000000", \
fillcolor = _dot_rgb_to_html(229, 188, 208), \
fontname = "Arial", \
fontsize = "14", \
fontcolor = "#000000" \
)
def _dot_create(network, callgraph):
for r in network.routers:
callgraph.add_node(_dot_create_router_node(r.path(),
'R %d' % r.router_id))
# One link for each direction but draw one edge only
connected = dict()
for link in network.int_links:
if (link.src_node.path() in connected) and \
(connected[link.src_node.path()] == link.dst_node.path()):
continue
callgraph.add_edge(
pydot.Edge(link.src_node.path(), link.dst_node.path())
)
connected[link.dst_node.path()] = link.src_node.path()
for link in network.ext_links:
ctrl = link.ext_node
label = ctrl._name
if hasattr(ctrl, '_node_type'):
label += ' (' + ctrl._node_type + ')'
callgraph.add_node(
_dot_create_ctrl_node(ctrl.path(), label)
)
callgraph.add_edge(
pydot.Edge(link.ext_node.path(), link.int_node.path())
)
def _do_dot(network, outdir, dotFilename):
callgraph = pydot.Dot(graph_type='graph', rankdir='LR')
_dot_create(network, callgraph)
dot_filename = os.path.join(outdir, dotFilename)
callgraph.write(dot_filename)
try:
# dot crashes if the figure is extremely wide.
# So avoid terminating simulation unnecessarily
callgraph.write_svg(dot_filename + ".svg", prog='neato')
callgraph.write_pdf(dot_filename + ".pdf", prog='neato')
except:
warn("failed to generate dot output from %s", dot_filename)
def do_ruby_dot(root, outdir, dotFilename):
if not pydot:
return
# Generate a graph for all ruby systems
networks = []
for obj in root.descendants():
if isinstance(obj, m5.objects.RubyNetwork):
networks.append(obj)
for network in networks:
# We assume each ruby system has a single network
rubydotFilename = dotFilename.replace(".dot",
"." + network.get_parent().path() + ".dot")
_do_dot(network, outdir, rubydotFilename)
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