Confirmed on an Nvidia GeForce 210. Mir clients are not throttled to vsync. This is most obvious in the simple mir_demo_client_egltriangle:
Connected to display: resolution (1920x1200), position(0x0), supports 2 pixel formats Using pixel format #3 libEGL warning: unsupported platform (null) 1 FPS 320 FPS 327 FPS 324 FPS 333 FPS 331 FPS 333 FPS 339 FPS ** Summary changed: - Abnormally high FPS (no vsync) on natively mir testing demo-clients. Ubuntu 13.10 + nouveau: Abnormally high FPS (no vsync) on natively mir testing demo-clients. ** Also affects: mesa (Ubuntu) Importance: Undecided Status: New ** Tags added: nouveau -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1195811 Title: nouveau: Abnormally high FPS (no vsync) on natively mir testing demo- clients. To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1195811/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp