code: @Override
      public void sessionCreated(NextFilter nextFilter, IoSession session)
              throws Exception {
          if (profileSessionCreated) {
              long start = timeNow();
              nextFilter.sessionCreated(session);
              long end = timeNow();
              sessionCreatedTimerWorker.addNewDuration(end - start);
          } else {
              nextFilter.sessionCreated(session);
          }
      }
docs: Profile a SessionCreated event. This method will gather the following
  informations :
  - the method duration
  - the shortest execution time
  - the slowest execution time
  - the average execution time
  - the global number of calls
  
  @param nextFilter The filter to call next
  @param session The associated session