> Have you rebuilt gem5?
I have rebuilt after installing pydot, but I don't remember if I did after
changing the "dot_writer.py" file.
I will rebuild again just to be sure.
Thanks much for your help with this.
Cheers,
~Aaron Vose
-----Original Message-----
From: Boris Shingarov <shinga...@labware.com>
Sent: Tuesday, June 27, 2023 6:58 PM
To: Aaron Vose <av...@maxlinear.com>; The gem5 Users mailing list
<gem5-users@gem5.org>
Subject: Re: [gem5-users] Gem5 with pydot
This email was sent from outside of MaxLinear.
Have you rebuilt gem5?
On 6/27/23 18:52, Aaron Vose wrote:
> Boris,
>
> Thanks much for your suggestion! It's very interesting, because I've done as
> you suggested, and it doesn't seem to drop me into a debug shell at all. I
> even changed those lines in "dot_writer.py" to be the following, and I don't
> see any of the print messages I added. It doesn't print any of my new
> additions at all:
> try:
> import pydot
> print("!!avose: Have PyDot!");
> except:
> print("!!avose: Miss PyDot!");
> pydot = False
>
> I wonder if support for pydot is somehow disabled elsewhere? When I try the
> above code in a new file called "test_pydot.py", I do see what I would
> expect: "!!avose: Have PyDot!".
>
> Thanks again,
> ~Aaron Vose
>
> -----Original Message-----
> From: Boris Shingarov <shinga...@labware.com>
> Sent: Monday, June 26, 2023 3:22 PM
> To: The gem5 Users mailing list <gem5-users@gem5.org>
> Cc: Aaron Vose <av...@maxlinear.com>
> Subject: Re: [gem5-users] Gem5 with pydot
>
> This email was sent from outside of MaxLinear.
>
>
> 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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