--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/demo/share/jvmti/minst/Minst.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ *   - Neither the name of Oracle nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This source code is provided to illustrate the usage of a given feature
+ * or technique and has been deliberately simplified. Additional steps
+ * required for a production-quality application, such as security checks,
+ * input validation and proper error handling, might not be present in
+ * this sample code.
+ */
+
+
+
+/* Java class to hold static methods which will be called in byte code
+ *    injections of all class files.
+ */
+
+public class Minst {
+
+    /* Master switch that activates methods. */
+
+    private static int engaged = 0;
+
+    /* At the very beginning of every method, a call to method_entry()
+     *     is injected.
+     */
+
+    public static void method_entry(int cnum, int mnum) {
+        Class<Minst> x = Minst.class;
+        synchronized ( x ) {
+            if ( engaged > 0 ) {
+                engaged = 0;
+                String className = "Unknown";
+                String methodName = "Unknown";
+                Exception exp = new Exception();
+                StackTraceElement[] stack = exp.getStackTrace();
+                if (stack.length > 1) {
+                    StackTraceElement location = stack[1];
+                    className = location.getClassName();
+                    methodName = location.getMethodName();
+                }
+                System.out.println("Reached method entry: " +
+                     className + "." + methodName + "()");
+                engaged++;
+            }
+        }
+    }
+
+}