Start SteamVR if it’s not already running
Go to the “hamburger menu” and select Create System Report
In the system report dialog go to the Logs tab and click Save to File
Select name and location of the log file, and save it
Start SteamVR if it’s not already running
Go to the “hamburger menu” and select Settings
Goto the Startup / Shutdown tab
See the list of enabled plugins as shown in the image below