1.1 --- a/java.navigation/src/org/netbeans/modules/java/navigation/ClassMemberPanelUI.java
     1.2 +++ b/java.navigation/src/org/netbeans/modules/java/navigation/ClassMemberPanelUI.java
     1.3 @@ -19,6 +19,8 @@
     1.4  import java.beans.PropertyChangeListener;
     1.5  import java.beans.PropertyVetoException;
     1.6  import java.io.IOException;
     1.7 +import java.util.logging.Level;
     1.8 +import java.util.logging.Logger;
     1.9  import javax.lang.model.element.Element;
    1.10  import javax.swing.BorderFactory;
    1.11  import javax.swing.SwingUtilities;
    1.12 @@ -32,8 +34,6 @@
    1.13  import org.netbeans.api.java.source.ElementHandle;
    1.14  import org.netbeans.api.java.source.JavaSource;
    1.15  import org.netbeans.api.java.source.ui.ElementJavadoc;
    1.16 -import org.netbeans.modules.java.navigation.ClassMemberFilters;
    1.17 -import org.netbeans.modules.java.navigation.ElementNode;
    1.18  import org.netbeans.modules.java.navigation.ElementNode.Description;
    1.19  import org.netbeans.modules.java.navigation.actions.FilterSubmenuAction;
    1.20  import org.netbeans.modules.java.navigation.actions.SortActionSupport.SortByNameAction;
    1.21 @@ -70,6 +70,8 @@
    1.22      
    1.23      private static final Rectangle ZERO = new Rectangle(0,0,1,1);
    1.24  
    1.25 +    private long lastShowWaitNodeTime = -1;
    1.26 +    private static final Logger PERF_LOG = Logger.getLogger(ClassMemberPanelUI.class.getName() + ".perf"); //NOI18N
    1.27      
    1.28      /** Creates new form ClassMemberPanelUi */
    1.29      public ClassMemberPanelUI() {
    1.30 @@ -135,6 +137,7 @@
    1.31              public void run() {
    1.32                 elementView.setRootVisible(true);
    1.33                 manager.setRootContext(ElementNode.getWaitNode());
    1.34 +               lastShowWaitNodeTime = System.currentTimeMillis();
    1.35              } 
    1.36          });
    1.37      }
    1.38 @@ -177,6 +180,15 @@
    1.39                      setScrollOnExpand( false );
    1.40                      elementView.expandAll();
    1.41                      setScrollOnExpand( scrollOnExpand );
    1.42 +
    1.43 +                    if (PERF_LOG.isLoggable(Level.FINE)) {
    1.44 +                        final long tm2 = System.currentTimeMillis();
    1.45 +                        final long tm1 = lastShowWaitNodeTime;
    1.46 +                        if (tm1 != -1) {
    1.47 +                            lastShowWaitNodeTime = -1;
    1.48 +                            PERF_LOG.fine(String.format("ClassMemberPanelUI refresh took: %d ms", (tm2 - tm1))); //NOI18N
    1.49 +                        }
    1.50 +                    }
    1.51                  }
    1.52              } );
    1.53