| /* |
| * Copyright (c) 2015, 2018, 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. |
| */ |
| |
| /* |
| * @test |
| * @summary Test checks output displayed with jstat -gccause. |
| * Test scenario: |
| * test forces debuggee application eat ~70% of heap and runs jstat. |
| * jstat should show actual usage of old gen (OC/OU ~= old gen usage). |
| * @requires vm.opt.ExplicitGCInvokesConcurrent != true |
| * @requires vm.gc != "Z" & vm.gc != "Shenandoah" |
| * @modules java.base/jdk.internal.misc |
| * @library /test/lib |
| * @library ../share |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-VerifyDependencies |
| -XX:+UsePerfData -XX:MaxNewSize=4m -XX:MaxHeapSize=128M -XX:MaxMetaspaceSize=128M GcCauseTest02 |
| */ |
| import utils.*; |
| |
| // This test produces more than 90_000 classes until it eats up ~70% of the 128M meta space. |
| // We turn off VerifyDependencies because it slows down the test considerably in debug builds. |
| public class GcCauseTest02 { |
| |
| public static void main(String[] args) throws Exception { |
| new GarbageProducerTest(new JstatGcCauseTool(ProcessHandle.current().pid())).run(); |
| } |
| } |
