I would debug it like this:
Near the beginning of dot_writer.py, there is:
try:
import pydot
except:
pydot = False
Replace the "pydot = False" with "import pdb; pdb.set_trace()".
This will drop you into a debug shell where you can investigate why
"import pydot" failed.
On 6/26/23 14:30, Aaron Vose via gem5-users wrote:
All my runs (and many, many examples I see online) have the following
warning message:
“warn: No dot file generated. Please install pydot to generate the dot
file and pdf.”
However, I know I have pydot installed; see the following:
prompt> pip install pydot
Requirement already satisfied: pydot in
/home/avose/pyenv396/lib/python3.9/site-packages (1.4.2)
Requirement already satisfied: pyparsing>=2.1.4 in
/home/avose/pyenv396/lib/python3.9/site-packages (from pydot) (3.1.0)
I even went back and rebuilt the entire Gem5 again from scratch after I
made sure pydot was installed. I made sure I built Gem5 using the same
environment (/home/avose/pyenv396) in which I installed pydot, and I
still see this warning, and I don’t get any dot output.
Does anyone else have a similar problem or any advice on how to fix this?
Thanks much,
~Aaron Vose
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