The microprofiler is an advanced tool for developers to analyze and debug client-side performance problems.
How to use
In studio or the Roblox client or studio, press CTRL + F6 (or CMD + F6 on OSX) to bring up the microprofiler view. Then, press CTRL + P (or CMD + P on OSX) to pause and look at the data from the past few frames.
Adding Custom Profiling Labels
Custom labels can be added to the Microprofiler from lua using the [debug.profilebegin] API.