Hi Throwergb,
We appreciate you reaching out to us. Rest assured that we'll do our best to assist you or get you pointed in the right direction.
We understand that you are looking to learn more about gamecontrollerd.
We’d like to gather additional details that may help us be in a better position to assist you.
Would you please tell us which part of the system did you find it?
For example, did you find it in Activity Monitor?
Also, we recommend that you check if you experience the behavior while on safe mode.
Below is an article to help guide you through the process.
How to use safe mode on your Mac
Please keep us posted.
Take care!