--- old/src/share/classes/sun/nio/ch/SocketAdaptor.java	2012-11-13 10:48:01.000000000 +0100
+++ new/src/share/classes/sun/nio/ch/SocketAdaptor.java	2012-11-13 10:48:01.000000000 +0100
@@ -34,6 +34,9 @@
 import java.security.PrivilegedExceptionAction;
 import java.util.*;
 
+import sun.misc.IoTrace;
+import sun.misc.IoTraceContext;
+
 
 // Make a socket channel look like a socket.
 //
@@ -191,10 +194,12 @@
                     return sc.read(bb);
                 sc.configureBlocking(false);
 
+                int n = 0;
+                IoTraceContext traceContext = IoTrace.socketReadBegin(getInetAddress(), getPort(), timeout);
                 try {
-                    int n;
-                    if ((n = sc.read(bb)) != 0)
+                    if ((n = sc.read(bb)) != 0) {
                         return n;
+                    }
                     long to = timeout;
                     for (;;) {
                         if (!sc.isOpen())
@@ -210,6 +215,7 @@
                             throw new SocketTimeoutException();
                     }
                 } finally {
+                    IoTrace.socketReadEnd(traceContext, n > 0 ? n : 0);
                     if (sc.isOpen())
                         sc.configureBlocking(true);
                 }