--- old/src/share/classes/sun/nio/ch/SocketAdaptor.java	2012-11-26 10:30:28.000000000 +0100
+++ new/src/share/classes/sun/nio/ch/SocketAdaptor.java	2012-11-26 10:30:27.000000000 +0100
@@ -34,6 +34,8 @@
 import java.security.PrivilegedExceptionAction;
 import java.util.*;
 
+import sun.misc.IoTrace;
+
 
 // Make a socket channel look like a socket.
 //
@@ -204,8 +206,9 @@
                 SelectionKey sk = null;
                 Selector sel = null;
                 sc.configureBlocking(false);
+                int n = 0;
+                Object traceContext = IoTrace.socketReadBegin(getInetAddress(), getPort(), timeout);
                 try {
-                    int n;
                     if ((n = sc.read(bb)) != 0)
                         return n;
                     sel = Util.getTemporarySelector(sc);
@@ -226,6 +229,7 @@
                             throw new SocketTimeoutException();
                     }
                 } finally {
+                    IoTrace.socketReadEnd(traceContext, n > 0 ? n : 0);
                     if (sk != null)
                         sk.cancel();
                     if (sc.isOpen())