diff --git a/lldb/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp b/lldb/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp
index ec019093eedf..207419c077da 100644
--- a/lldb/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp
+++ b/lldb/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp
@@ -16,6 +16,7 @@
 #include "lldb/Core/Module.h"
 #include "lldb/Core/PluginManager.h"
 #include "lldb/Core/RegularExpression.h"
+#include "lldb/Core/Timer.h"
 #include "lldb/Host/Mutex.h"
 #include "lldb/Symbol/ObjectFile.h"
 
@@ -265,31 +266,39 @@ ObjectContainerBSDArchive::CreateInstance
     Module* module,
     DataBufferSP& data_sp,
     const FileSpec *file,
-    addr_t offset,
-    addr_t length)
+    addr_t file_offset,
+    addr_t file_size)
 {
     if (file && data_sp && ObjectContainerBSDArchive::MagicBytesMatch(data_sp))
     {
-        Archive::shared_ptr archive_sp (Archive::FindCachedArchive (*file, module->GetArchitecture(), module->GetModificationTime()));
-        
-        if (archive_sp)
+        Timer scoped_timer (__PRETTY_FUNCTION__,
+                            "ObjectContainerBSDArchive::CreateInstance (module = %s/%s, file = %p, file_offset = 0x%z8.8x, file_size = 0x%z8.8x)",
+                            module->GetFileSpec().GetDirectory().AsCString(),
+                            module->GetFileSpec().GetFilename().AsCString(),
+                            file, file_offset, file_size);
+
+        std::auto_ptr<ObjectContainerBSDArchive> container_ap(new ObjectContainerBSDArchive (module, data_sp, file, file_offset, file_size));
+
+        if (container_ap.get())
         {
-            // We already have this archive in our cache, use it
-            std::auto_ptr<ObjectContainerBSDArchive> container_ap(new ObjectContainerBSDArchive (module, data_sp, file, offset, length));
-            if (container_ap.get())
+            Archive::shared_ptr archive_sp (Archive::FindCachedArchive (*file, module->GetArchitecture(), module->GetModificationTime()));
+            
+            if (archive_sp)
             {
+                // We already have this archive in our cache, use it
                 container_ap->SetArchive (archive_sp);
                 return container_ap.release();
             }
+            else
+            {
+                // Read everything since we need that in order to index all the
+                // objects in the archive
+                data_sp = file->MemoryMapFileContents (file_offset, file_size);
+                
+                if (container_ap->ParseHeader())
+                    return container_ap.release();                
+            }
         }
-        
-        // Read everything since we need that in order to index all the
-        // objects in the archive
-        data_sp = file->MemoryMapFileContents (offset, length);
-
-        std::auto_ptr<ObjectContainerBSDArchive> container_ap(new ObjectContainerBSDArchive (module, data_sp, file, offset, length));
-        if (container_ap->ParseHeader())
-            return container_ap.release();
     }
     return NULL;
 }