1 files changed, 18 insertions, 4 deletions
diff --git a/lib/internal/util.js b/lib/internal/util.js
index 8019260e0c..a31f22e6e9 100644
--- a/lib/internal/util.js
+++ b/lib/internal/util.js
@@ -1,6 +1,20 @@
 'use strict';
 
+const prefix = '(node) ';
+
+// All the internal deprecations have to use this function only, as this will
+// prepend the prefix to the actual message.
+exports.deprecate = function(fn, msg) {
+  return exports._deprecate(fn, `${prefix}${msg}`);
+};
+
+// All the internal deprecations have to use this function only, as this will
+// prepend the prefix to the actual message.
 exports.printDeprecationMessage = function(msg, warned) {
+  return exports._printDeprecationMessage(`${prefix}${msg}`, warned);
+};
+
+exports._printDeprecationMessage = function(msg, warned) {
   if (process.noDeprecation)
     return true;
 
@@ -10,7 +24,7 @@ exports.printDeprecationMessage = function(msg, warned) {
   if (process.throwDeprecation)
     throw new Error(msg);
   else if (process.traceDeprecation)
-    console.trace(msg);
+    console.trace(msg.startsWith(prefix) ? msg.replace(prefix, '') : msg);
   else
     console.error(msg);
 
@@ -20,11 +34,11 @@ exports.printDeprecationMessage = function(msg, warned) {
 // Mark that a method should not be used.
 // Returns a modified function which warns once by default.
 // If --no-deprecation is set, then it is a no-op.
-exports.deprecate = function(fn, msg) {
+exports._deprecate = function(fn, msg) {
   // Allow for deprecating things in the process of starting up.
   if (global.process === undefined) {
     return function() {
-      return exports.deprecate(fn, msg).apply(this, arguments);
+      return exports._deprecate(fn, msg).apply(this, arguments);
     };
   }
 
@@ -34,7 +48,7 @@ exports.deprecate = function(fn, msg) {
 
   var warned = false;
   function deprecated() {
-    warned = exports.printDeprecationMessage(msg, warned);
+    warned = exports._printDeprecationMessage(msg, warned);
     return fn.apply(this, arguments);
   }