diff --git a/platform/lang-impl/src/com/intellij/internal/DumpExtensionsAction.java b/platform/lang-impl/src/com/intellij/internal/DumpExtensionsAction.java
new file mode 100644
index 000000000000..02a7ada09bf8
--- /dev/null
+++ b/platform/lang-impl/src/com/intellij/internal/DumpExtensionsAction.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2000-2010 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.internal;
+
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.actionSystem.PlatformDataKeys;
+import com.intellij.openapi.extensions.ExtensionPoint;
+import com.intellij.openapi.extensions.Extensions;
+import com.intellij.openapi.extensions.ExtensionsArea;
+import com.intellij.openapi.module.Module;
+import com.intellij.openapi.module.ModuleManager;
+import com.intellij.openapi.options.Configurable;
+import com.intellij.openapi.project.DumbAwareAction;
+import com.intellij.openapi.project.Project;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * @author nik
+ */
+public class DumpExtensionsAction extends DumbAwareAction {
+  @Override
+  public void actionPerformed(AnActionEvent e) {
+    List<ExtensionsArea> areas = new ArrayList<ExtensionsArea>();
+    areas.add(Extensions.getRootArea());
+    final Project project = e.getData(PlatformDataKeys.PROJECT);
+    if (project != null) {
+      areas.add(Extensions.getArea(project));
+      final Module[] modules = ModuleManager.getInstance(project).getModules();
+      if (modules.length > 0) {
+        areas.add(Extensions.getArea(modules[0]));
+      }
+    }
+    System.out.print(areas.size() + " extension areas: ");
+    for (ExtensionsArea area : areas) {
+      System.out.print(area.getAreaClass() + " ");
+    }
+    System.out.println("\n");
+
+    List<ExtensionPoint> points = new ArrayList<ExtensionPoint>();
+    for (ExtensionsArea area : areas) {
+      points.addAll(Arrays.asList(area.getExtensionPoints()));
+    }
+    System.out.println(points.size() + " extension points: ");
+    for (ExtensionPoint point : points) {
+      System.out.println(" " + point.getName());
+    }
+
+    List<Object> extensions = new ArrayList<Object>();
+    for (ExtensionPoint point : points) {
+      extensions.addAll(Arrays.asList(point.getExtensions()));
+    }
+    System.out.println("\n" + extensions.size() + " extensions:");
+    for (Object extension : extensions) {
+      if (extension instanceof Configurable) {
+        System.out.println("!!!! Configurable extension found. Kill it !!!");
+      }
+      System.out.println(extension);
+    }
+  }
+}
diff --git a/resources/src/idea/IdeaActions.xml b/resources/src/idea/IdeaActions.xml
index 59becf728312..ab3d47f0d907 100644
--- a/resources/src/idea/IdeaActions.xml
+++ b/resources/src/idea/IdeaActions.xml
@@ -243,6 +243,7 @@
       <separator/>
       <action internal="true" id="DecodeBytesAction" class="com.intellij.internal.encodings.DecodeBytesAction"/>
       <separator/>
+      <action id="DumpExtensions" internal="true" text="Dump Extensions" class="com.intellij.internal.DumpExtensionsAction"/>
       <action id="DumpInspectionDescriptions" internal="true" class="com.intellij.internal.DumpInspectionDescriptionsAction"/>
       <action id="DumpIntentionsDescriptions" internal="true" class="com.intellij.internal.DumpIntentionsAction"/>
       <action id="DumpConfigurationTypes" internal="true" class="com.intellij.internal.DumpConfigurationTypesAction"/>