 	 *  @param tolerance Tolerance in miliseconds. If the event took less than the tolerance,
 	 *  it will be omitted from the log.
 	 */
-	public function markEnd(name:String, token:int, tolerance:int = 0):void
+	public function markEnd(name:String, token:int, tolerance:int = 0, idObject:Object = null):void
 	{
 		if (startSamplingCount <= 0 || token < 0 )
 			return;

package mx.utils
{
import flash.utils.getTimer;

CONFIG::performanceInstrumentation
public final class PerfUtil

				timeVector[token] = IGNORE; 
			return;
		}
        
        if (idObject)
        {
            if (idObject is DisplayObject)
                name = (idObject as DisplayObject).name + name;
            else
                name = idObject.toString() + name;
        }
		
		idVector[token] = name; // Fix the start id
		idVector.push(name);
