I\'m currently evaluating Visual Studio 2015 RC. I\'ve noticed when running the IDE, The Visual Studio 2015 process is constantly at around 25% CPU usage. Even without a project
In my case it was either the Roaming Extention Manager or most probably the azure worker role project in my solution. If you have one of these try unloading it and restart visual studio. I can reproduce it but I don't know why it happens.