| /* |
| * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.*; |
| |
| public class RedefineBigClassApp { |
| /** |
| * Memory leak is assumed, if application consumes more than specified amount of memory during its execution. |
| * The number is given in KB. |
| */ |
| private static final long MEM_LEAK_THRESHOLD = 32 * 1024; // 32MB |
| |
| public static void main(String[] args) throws Exception { |
| System.out.println("Creating instance of " + |
| RedefineBigClassAgent.clz); |
| RedefineBigClassAgent.clz.newInstance(); |
| |
| // Do a short warmup before creating the NMT baseline |
| try { |
| Thread.sleep(5 * 1000); |
| } catch (InterruptedException ie) { |
| } |
| |
| NMTHelper.baseline(); |
| |
| int count = 0; |
| while (!RedefineBigClassAgent.doneRedefining) { |
| System.out.println("App loop count: " + ++count); |
| try { |
| Thread.sleep(10 * 1000); |
| } catch (InterruptedException ie) { |
| } |
| } |
| System.out.println("App looped " + count + " times."); |
| |
| long committedDiff = NMTHelper.committedDiff(); |
| if (committedDiff > MEM_LEAK_THRESHOLD) { |
| throw new Exception("FAIL: Committed memory usage increased by " + committedDiff + "KB " + |
| "(greater than " + MEM_LEAK_THRESHOLD + "KB)"); |
| } |
| System.err.println("PASS: Committed memory usage increased by " + committedDiff + "KB " + |
| "(not greater than " + MEM_LEAK_THRESHOLD + "KB)"); |
| } |
| } |