1 files changed, 62 insertions, 0 deletions
diff --git a/lldb/include/lldb/Symbol/ClangASTImporter.h b/lldb/include/lldb/Symbol/ClangASTImporter.h
index 587237e90ca..15f5cc37d82 100644
--- a/lldb/include/lldb/Symbol/ClangASTImporter.h
+++ b/lldb/include/lldb/Symbol/ClangASTImporter.h
@@ -20,6 +20,68 @@
 #include "lldb/Symbol/ClangNamespaceDecl.h"
 
 namespace lldb_private {
+    
+class ClangASTMetrics
+{
+public:
+    static void DumpCounters (lldb::LogSP log);
+    static void ClearLocalCounters ()
+    {
+        local_counters = { 0, 0, 0, 0, 0, 0 };
+    }
+    
+    static void RegisterVisibleQuery ()
+    {
+        ++global_counters.m_visible_query_count;
+        ++local_counters.m_visible_query_count;
+    }
+    
+    static void RegisterLexicalQuery ()
+    {
+        ++global_counters.m_lexical_query_count;
+        ++local_counters.m_lexical_query_count;
+    }
+    
+    static void RegisterLLDBImport ()
+    {
+        ++global_counters.m_lldb_import_count;
+        ++local_counters.m_lldb_import_count;
+    }
+    
+    static void RegisterClangImport ()
+    {
+        ++global_counters.m_clang_import_count;
+        ++local_counters.m_clang_import_count;
+    }
+    
+    static void RegisterDeclCompletion ()
+    {
+        ++global_counters.m_decls_completed_count;
+        ++local_counters.m_decls_completed_count;
+    }
+    
+    static void RegisterRecordLayout ()
+    {
+        ++global_counters.m_record_layout_count;
+        ++local_counters.m_record_layout_count;
+    }
+    
+private:
+    struct Counters
+    {
+        uint64_t    m_visible_query_count;
+        uint64_t    m_lexical_query_count;
+        uint64_t    m_lldb_import_count;
+        uint64_t    m_clang_import_count;
+        uint64_t    m_decls_completed_count;
+        uint64_t    m_record_layout_count;
+    };
+    
+    static Counters global_counters;
+    static Counters local_counters;
+    
+    static void DumpCounters (lldb::LogSP log, Counters &counters);
+};
 
 class ClangASTImporter 
 {