Instructions
Load "World of Warcraft" with FuBar Performance installed in the add-on folder.
Log in to your account and select a character.
Press "ESC" to open the game menu and select "Interface." Click the "add-ons" tab and choose "FuBar" from the list of add-ons.
Click "Profile" in the list of options. Uncheck the box for the option to enable profiling. Close the FuBar menu.