| /* |
| * Copyright (c) 2013, 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.jfr.startupargs; |
| |
| import java.io.IOException; |
| import java.nio.file.DirectoryStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| import jdk.jfr.FlightRecorder; |
| import jdk.jfr.Recording; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.dcmd.CommandExecutor; |
| import jdk.test.lib.dcmd.PidJcmdExecutor; |
| import jdk.test.lib.process.OutputAnalyzer; |
| |
| |
| |
| public class StartupHelper { |
| |
| public static Recording getRecording(String name) { |
| for (Recording r : FlightRecorder.getFlightRecorder().getRecordings()) { |
| System.out.println("Recording=" + r.getName()); |
| if (name.equals(r.getName())) { |
| return r; |
| } |
| } |
| Asserts.fail("No recording with name " + name); |
| return null; |
| } |
| |
| public static List<Path> listFilesInDir(Path root) throws IOException { |
| List<Path> paths = new ArrayList<>(); |
| List<Path> searchPaths = new ArrayList<>(); |
| searchPaths.add(root); |
| |
| while (!searchPaths.isEmpty()) { |
| Path currRoot = searchPaths.remove(searchPaths.size() - 1); |
| DirectoryStream<Path> contents = Files.newDirectoryStream(currRoot); |
| for (Path path : contents) { |
| paths.add(path); |
| if (Files.isDirectory(path)) { |
| searchPaths.add(path); |
| } |
| } |
| } |
| |
| System.out.println("Files in '" + root + "':"); |
| for (Path path : paths) { |
| System.out.println(" path: " + path); |
| } |
| return paths; |
| } |
| |
| public static Path findRecordingFileInRepo(Path baseLocation) throws IOException { |
| // Check that repo contains a file ending in "jfr" or "part" |
| for (Path path : listFilesInDir(baseLocation)) { |
| if (Files.isRegularFile(path)) { |
| String filename = path.toString(); |
| if (filename.endsWith("jfr") || filename.endsWith("part")) { |
| return path; |
| } |
| } |
| } |
| return null; |
| } |
| |
| public static OutputAnalyzer jcmd(String... args) { |
| String argsString = Arrays.stream(args).collect(Collectors.joining(" ")); |
| CommandExecutor executor = new PidJcmdExecutor(); |
| OutputAnalyzer oa = executor.execute(argsString); |
| oa.shouldHaveExitValue(0); |
| return oa; |
| } |
| |
| public static OutputAnalyzer jcmdCheck(String recordingName) { |
| return jcmd("JFR.check", "name=" + recordingName, "verbose=true"); |
| } |
| } |