For RoR, see every method call, parameter and return value in production

Call Stacking - Solve production bugs faster.
Call Stacking captures everything for a given request - each method call, param/argument/return value, class name/method/line of execution. You can visibly see which method called which, as each method call is nested relative to its parent callee. Turn it on/off in production, as needed.

Read in full here:

This thread was posted by one of our members via one of our news source trackers.