1 /* 2 * Copyright (c) 2017 Red Hat, Inc. and/or its affiliates. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 /** 25 * @test TestHeapDump 26 * @summary Tests JVMTI heap dumps 27 * @compile TestHeapDump.java 28 * @run main/othervm/native -agentlib:TestHeapDump -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive -XX:-UseCompressedOops TestHeapDump 29 */ 30 31 public class TestHeapDump { 32 33 private static final int NUM_ITER = 10000; 34 35 static { 36 try { 37 System.loadLibrary("TestHeapDump"); 38 } catch (UnsatisfiedLinkError ule) { 39 System.err.println("Could not load TestHeapDump library"); 40 System.err.println("java.library.path: " 41 + System.getProperty("java.library.path")); 42 throw ule; 43 } 44 } 45 46 native static int heapdump(); 47 48 public static void main(String args[]) { 49 for (int i = 0; i < NUM_ITER; i++) { 50 int numObjs = heapdump(); 51 // if (numObjs != 0) throw new RuntimeException(); 52 } 53 } 54 }