diff  C:/perso_max/workspace/JMeter_2.12/src/core/org/apache/jmeter/engine/StandardJMeterEngine.java C:/perso_max/workspace/JMeter/src/core/org/apache/jmeter/engine/StandardJMeterEngine.java
31d30
< import org.apache.jmeter.gui.GuiPackage;
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<         
<         GuiPackage gp =GuiPackage.getInstance();
<         if (gp != null) {// check there is a GUI
<         	gp.getMainFrame().startTimer();
<         }
<         
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<         if (gp != null) {// check there is a GUI
<           	 gp.getMainFrame().stopTimer();
<         }
diff  C:/perso_max/workspace/JMeter_2.12/src/core/org/apache/jmeter/gui/MainFrame.java C:/perso_max/workspace/JMeter/src/core/org/apache/jmeter/gui/MainFrame.java
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< import java.text.SimpleDateFormat;
< import java.util.Date;
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<     
<     private JLabel timeRun;
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<     
<     private javax.swing.Timer timer = new javax.swing.Timer(1000, new java.awt.event.ActionListener()
<     {
<       public void actionPerformed(java.awt.event.ActionEvent e) {
<     	  CalculTime();
<       }
<     });
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<         
<         timeRun = new JLabel("00:00:00");
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<     // Calcul and display the elapse time of the loadtest
<     public void startTimer() {
< 	    timer.start();
<     }
<     
<     public void stopTimer() {
<     	timer.stop();  	
<     }
<     
<     public void CalculTime() {
<          long currentTime = System.currentTimeMillis();
<          long startTime = JMeterContextService.getTestStartTime();
<          if (startTime == 0)
<         	 timer.stop();  	
<          else
<          {
< 	         long elapse_time_ms = (currentTime - startTime);
< 	         Date elapse_date = new Date(elapse_time_ms);
< 	         SimpleDateFormat df = new java.text.SimpleDateFormat("HH:mm:ss");
< 	         df.setTimeZone(java.util.TimeZone.getTimeZone("GMT"));
< 	         timeRun.setText(df.format(elapse_date));
<          }
<     }
<     
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<         
<         toolPanel.add(new JLabel("   "));
<         toolPanel.add(timeRun);
<         toolPanel.add(new JLabel("   "));
diff  C:/perso_max/workspace/JMeter_2.12/src/core/org/apache/jmeter/engine/DistributedRunner.java C:/perso_max/workspace/JMeter/src/core/org/apache/jmeter/engine/DistributedRunner.java
35d34
< import org.apache.jmeter.gui.GuiPackage;
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<        
<         GuiPackage gp =GuiPackage.getInstance();
<         if (gp != null) {// check there is a GUI
<         	gp.getMainFrame().startTimer();
<         }
<         
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<         GuiPackage gp =GuiPackage.getInstance();
<         if (gp != null) {// check there is a GUI
<         	gp.getMainFrame().stopTimer();
<         }
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<         GuiPackage gp =GuiPackage.getInstance();
<         if (gp != null) {// check there is a GUI
<         	gp.getMainFrame().stopTimer();
<         }
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<         GuiPackage gp =GuiPackage.getInstance();
<         if (gp != null) {// check there is a GUI
<         	gp.getMainFrame().stopTimer();
<         }