Here it is, when pushing the left or right button, in the command window will be a log of how many milliseconds it took for the next frame to render. (16ms minimum because of vsync).
Just alt tab to view it.
https://mega.co.nz/#!fwFw2L5K!b3IwVAxOeiIBzPRG57l8SSmzGJPSQ5jfvxYJ2RKA2_E