diff --git a/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsLogManager.java b/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsLogManager.java
index e30d944560eb..9421896346de 100644
--- a/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsLogManager.java
+++ b/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsLogManager.java
@@ -23,6 +23,7 @@ import com.intellij.vcs.log.graph.PermanentGraph;
 import com.intellij.vcs.log.ui.AbstractVcsLogUi;
 import com.intellij.vcs.log.ui.VcsLogColorManagerImpl;
 import com.intellij.vcs.log.ui.VcsLogUiImpl;
+import com.intellij.vcs.log.util.VcsLogUtil;
 import com.intellij.vcs.log.visible.VcsLogFiltererImpl;
 import com.intellij.vcs.log.visible.VisiblePackRefresherImpl;
 import com.intellij.vcs.log.visible.filters.VcsLogFilterObject;
@@ -187,6 +188,7 @@ public class VcsLogManager implements Disposable {
     // disposing of VcsLogManager is done by manually executing dispose(@Nullable Runnable callback)
     // the above method first disposes ui in EDT, than disposes everything else in background
     LOG.assertTrue(!ApplicationManager.getApplication().isDispatchThread());
+    LOG.debug("Disposed Vcs Log for " + VcsLogUtil.getProvidersMapText(myLogData.getLogProviders()));
   }
 
   private class MyFatalErrorsHandler implements FatalErrorHandler {
diff --git a/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsProjectLog.java b/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsProjectLog.java
index 28c427976176..1fb62050ba70 100644
--- a/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsProjectLog.java
+++ b/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsProjectLog.java
@@ -35,6 +35,7 @@ import com.intellij.util.ui.UIUtil;
 import com.intellij.vcs.log.VcsLogProvider;
 import com.intellij.vcs.log.data.VcsLogData;
 import com.intellij.vcs.log.ui.VcsLogUiImpl;
+import com.intellij.vcs.log.util.VcsLogUtil;
 import org.jetbrains.annotations.*;
 
 import java.util.Arrays;
@@ -178,6 +179,7 @@ public class VcsProjectLog implements Disposable {
     @CalledInBackground
     public synchronized VcsLogManager getValue(@NotNull Map<VirtualFile, VcsLogProvider> logProviders) {
       if (myValue == null) {
+        LOG.debug("Creating Vcs Log for " + VcsLogUtil.getProvidersMapText(logProviders));
         VcsLogManager value = compute(logProviders);
         myValue = value;
         ApplicationManager.getApplication().invokeLater(() -> {
@@ -202,6 +204,7 @@ public class VcsProjectLog implements Disposable {
 
     public synchronized void drop(@Nullable Runnable callback) {
       if (myValue != null) {
+        LOG.debug("Disposing Vcs Log for " + VcsLogUtil.getProvidersMapText(myValue.getDataManager().getLogProviders()));
         myMessageBus.syncPublisher(VCS_PROJECT_LOG_CHANGED).logDisposed(myValue);
         myValue.dispose(callback);
         myValue = null;
diff --git a/platform/vcs-log/impl/src/com/intellij/vcs/log/util/VcsLogUtil.java b/platform/vcs-log/impl/src/com/intellij/vcs/log/util/VcsLogUtil.java
index 5807bb2c7acf..ba123f14ea3b 100644
--- a/platform/vcs-log/impl/src/com/intellij/vcs/log/util/VcsLogUtil.java
+++ b/platform/vcs-log/impl/src/com/intellij/vcs/log/util/VcsLogUtil.java
@@ -362,4 +362,9 @@ public class VcsLogUtil {
     }
     return (maxSize / 1_000_000) + "M";
   }
+
+  @NotNull
+  public static String getProvidersMapText(@NotNull Map<VirtualFile, VcsLogProvider> providers) {
+    return "[" + StringUtil.join(providers.keySet(), file -> file.getPresentableUrl(), ", ") + "]";
+  }
 }