laravel/laravel — pull request #1109 by JesseObrien (2012-08-17 20:25:00+00:00)
Title: Added profile timers

Track the running time of a function
Profiler::time(function(){});
Profiler::time(function(){}, 'name');

Track a stopwatch style timer throughout your app
Profiler::tick('name');
Profiler::tick('name', function($timer){});

Here's an image of the output:

http://i.imgur.com/qEne5.png