--- /dev/null 2019-02-07 20:54:51.336000000 +0300 +++ new/test/lib/jdk/test/lib/jfr/AppExecutorHelper.java 2019-02-08 18:34:11.278845942 +0300 @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2016, 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. 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.test.lib.jfr; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +import jdk.test.lib.process.OutputAnalyzer; +import jdk.test.lib.process.ProcessTools; + + +/** + * Helper class for running applications with enabled JFR recording + */ +public class AppExecutorHelper { + + /** + * Executes an application with enabled JFR and writes collected events + * to the given output file. + * Which events to track and other parameters are taken from the setting .jfc file. + * + * @param setting JFR settings file(optional) + * @param jfrFilename JFR resulting recording filename(optional) + * @param additionalVMFlags additional VM flags passed to the java(optional) + * @param className name of the class to execute + * @param classArguments arguments passed to the class(optional) + * @return output analyzer for executed application + */ + public static OutputAnalyzer executeAndRecord(String settings, String jfrFilename, String[] additionalVmFlags, + String className, String... classArguments) throws Exception { + List arguments = new ArrayList<>(); + String baseStartFlightRecording = "-XX:StartFlightRecording"; + String additionalStartFlightRecording = ""; + + if (additionalVmFlags != null) { + Collections.addAll(arguments, additionalVmFlags); + } + + if (settings != null & jfrFilename != null) { + additionalStartFlightRecording = String.format("=settings=%s,filename=%s", settings, jfrFilename); + } else if (settings != null) { + additionalStartFlightRecording = String.format("=settings=%s", settings); + } else if (jfrFilename != null) { + additionalStartFlightRecording = String.format("=filename=%s", jfrFilename); + } + arguments.add(baseStartFlightRecording + additionalStartFlightRecording); + + arguments.add(className); + if (classArguments.length > 0) { + Collections.addAll(arguments, classArguments); + } + + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, arguments.toArray(new String[0])); + return ProcessTools.executeProcess(pb); + } +}