title: Laravel (4) retrieve query stack trace
body: <p>I need to optimize my Laravel queries and see many duplicates.</p>
  
  <p>I logged them and see SQL, but I can not find the caller that produce them.</p>
  
  <p>What I need is some sort of stack trace associated to each query, such that I can identify the point in my code that launch them and optimize it.</p>
  
  <p>How can I do it?</p>
  
  <p>I am using laravel 4, answers for laravel 4 are preferred</p>