diff --git a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/NativeFileWatcherImpl.java b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/NativeFileWatcherImpl.java
index 2d8b8c733cad..f80f5f741c5f 100644
--- a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/NativeFileWatcherImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/NativeFileWatcherImpl.java
@@ -220,6 +220,10 @@ public class NativeFileWatcherImpl extends PluggableFileWatcher {
       return;
     }
 
+    if (LOG.isDebugEnabled()) {
+      LOG.debug("New watch roots registered. Recursive: " + recursive.size() + ", flat: " + flat.size() + ", restart = " + restart);
+    }
+
     mySettingRoots.incrementAndGet();
     myRecursiveWatchRoots = recursive;
     myFlatWatchRoots = flat;