1 files changed, 5 insertions, 1 deletions
diff --git a/tensorflow/core/util/event.proto b/tensorflow/core/util/event.proto
index 5c3a88a2d7..5c3799c132 100644
--- a/tensorflow/core/util/event.proto
+++ b/tensorflow/core/util/event.proto
@@ -43,7 +43,11 @@ message Event {
 message LogMessage {
   enum Level {
     UNKNOWN = 0;
-    DEBUG = 10;
+    // Note: The logging level 10 cannot be named DEBUG. Some software
+    // projects compile their C/C++ code with -DDEBUG in debug builds. So the
+    // C++ code generated from this file should not have an identifier named
+    // DEBUG.
+    DEBUGGING = 10;
     INFO = 20;
     WARN = 30;
     ERROR = 40;