1 /* 2 * Copyright (c) 2017, 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 /* 26 * @test 27 * @key stress randomness 28 * 29 * @summary converted from VM Testbase nsk/sysdict/vm/stress/chain/chain008. 30 * VM Testbase keywords: [stress, sysdict, stressopt, nonconcurrent] 31 * VM Testbase readme: 32 * DESCRIPTION 33 * Multiple threads load a short chain of fat classes 34 * with a long chain of loaders (NxM threads totally). 35 * Then, memory stress is induced to unload the classes. 36 * The test is deemed failed if loading attempt fails; 37 * or if the tested VM crashes. 38 * The test repeats until the given number of iterations, 39 * or until a timeout. 40 * 41 * @library /vmTestbase /test/lib 42 * @comment build fats.jar 43 * @run driver nsk.sysdict.share.GenClassesBuilder fats 44 * @comment build leans.jar 45 * @run driver nsk.sysdict.share.GenClassesBuilder leans 46 * @build nsk.sysdict.share.ChainTest 47 * @run main/othervm 48 * -XX:-UseGCOverheadLimit 49 * PropertyResolvingWrapper 50 * nsk.sysdict.share.ChainTest 51 * -stressHeap 52 * -useFatClass 53 * -jarpath leans.jar${path.separator}fats.jar 54 */ 55