1 /* 2 * Copyright (c) 2013, 2018, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jfr.startupargs; 27 28 import java.io.IOException; 29 import java.nio.file.DirectoryStream; 30 import java.nio.file.Files; 31 import java.nio.file.Path; 32 import java.nio.file.Paths; 33 import java.util.Iterator; 34 import java.util.function.Supplier; 35 36 import jdk.jfr.consumer.RecordingFile; 37 import jdk.test.lib.Asserts; 38 import jdk.test.lib.process.OutputAnalyzer; 39 import jdk.test.lib.process.ProcessTools; 40 41 /* 42 * @test 43 * @summary Start a FlightRecording with dumponexit. Verify dump exists. 44 * @key jfr 45 * @library /test/lib 46 * @run main/othervm jdk.jfr.startupargs.TestDumpOnExit 47 */ 48 public class TestDumpOnExit { 49 50 public static void main(String[] args) throws Exception { 51 Path dumpPath = Paths.get(".", "dumped.jfr"); 52 53 // Test without security manager and a file name relative to current directory 54 testDumponExit(() -> dumpPath, 55 "-Xlog:jfr=trace", 56 "-XX:StartFlightRecording=filename=./dumped.jfr,dumponexit=true,settings=profile", 57 "jdk.jfr.startupargs.TestDumpOnExit$TestMain" 58 ); 59 // Test a memory recording without a security manager 60 testDumponExit(() -> findJFRFileInCurrentDirectory(), 61 "-Xlog:jfr=trace", 62 "-XX:StartFlightRecording=dumponexit=true,disk=false", 63 "jdk.jfr.startupargs.TestDumpOnExit$TestMain" 64 ); 65 66 // Test with security manager and a file name relative to current directory 67 testDumponExit(() -> dumpPath, 68 "-Xlog:jfr=trace", 69 "-XX:StartFlightRecording=filename=./dumped.jfr,dumponexit=true,settings=profile", 70 "-Djava.security.manager", 71 "jdk.jfr.startupargs.TestDumpOnExit$TestMain" 72 ); 73 // Test with security manager but without a name 74 testDumponExit(() -> findJFRFileInCurrentDirectory(), 75 "-Xlog:jfr=trace", 76 "-XX:StartFlightRecording=dumponexit=true,settings=profile", 77 "-Djava.security.manager", 78 "jdk.jfr.startupargs.TestDumpOnExit$TestMain" 79 ); 80 } 81 82 private static Path findJFRFileInCurrentDirectory() { 83 try { 84 DirectoryStream<Path> ds = Files.newDirectoryStream(Paths.get("."), "*pid-*.jfr"); 85 Iterator<Path> pathIterator = ds.iterator(); 86 if (!pathIterator.hasNext()) { 87 throw new RuntimeException("Could not find jfr file in current directory"); 88 } 89 return pathIterator.next(); 90 } catch (IOException e) { 91 throw new RuntimeException("Could not list jfr file in current directory"); 92 } 93 } 94 95 private static void testDumponExit(Supplier<Path> p,String... args) throws Exception, IOException { 96 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, args); 97 OutputAnalyzer output = ProcessTools.executeProcess(pb); 98 System.out.println(output.getOutput()); 99 output.shouldHaveExitValue(0); 100 Path dump = p.get(); 101 Asserts.assertTrue(Files.isRegularFile(dump), "No recording dumped " + dump); 102 System.out.println("Dumped recording size=" + Files.size(dump)); 103 Asserts.assertFalse(RecordingFile.readAllEvents(dump).isEmpty(), "No events in dump"); 104 } 105 106 @SuppressWarnings("unused") 107 private static class TestMain { 108 public static void main(String[] args) throws Exception { 109 System.out.println("Hello from test main"); 110 } 111 } 112 113 }