--- /dev/null 2018-06-17 23:18:20.806999507 +0800 +++ new/test/lib/testlibrary/jdk/testlibrary/jfr/ExecuteOOMApp.java 2019-01-29 11:05:59.733461269 +0800 @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2016, 2019, 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. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * 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. + */ + +package jdk.testlibrary.jfr; + +import jdk.testlibrary.jfr.AppExecutorHelper; +import jdk.testlibrary.OutputAnalyzer; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +public class ExecuteOOMApp { + /** + * Executes OOM application with JFR recording and returns true if OOM error happened in the + * test thread. Adds -XX:-UseGCOverheadLimit option to avoid "java.lang.OutOfMemoryError: GC overhead limit exceeded". + * + * @param settings JFR settings file + * @param jfrFilename JFR resulting recording filename + * @param additionalVmFlags additional VM flags passed to the java + * @param bytesToAllocate number of bytes to allocate in new object every cycle in OOM application + * @return true - OOM application is finished as expected,i.e. OOM happened in the test thead + * false - OOM application is finished with OOM error which happened in the non test thread + */ + public static boolean execute(String settings, String jfrFilename, String[] additionalVmFlags, int bytesToAllocate) throws Exception { + List additionalVmFlagsList = new ArrayList<>(Arrays.asList(additionalVmFlags)); + additionalVmFlagsList.add("-XX:-UseGCOverheadLimit"); + + OutputAnalyzer out = AppExecutorHelper.executeAndRecord(settings, jfrFilename, additionalVmFlagsList.toArray(new String[0]), + OOMApp.class.getName(), String.valueOf(bytesToAllocate)); + + if ((out.getExitValue() == 1 && out.getOutput().contains("Exception: java.lang.OutOfMemoryError"))) { + return false; + } + + out.shouldHaveExitValue(0); + System.out.println(out.getOutput()); + + return true; + } +}