1 /* 2 * Copyright (c) 2015, 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.jcmd; 27 28 import java.io.File; 29 30 import jdk.test.lib.jfr.FileHelper; 31 import jdk.test.lib.process.OutputAnalyzer; 32 33 /** 34 * @test 35 * @summary The test verifies that recording can be written to a file both with JFR.start and JFR.stop 36 * @key jfr 37 * 38 * @library /lib / 39 * @run main/othervm jdk.jfr.jcmd.TestJcmdSaveToFile 40 */ 41 public class TestJcmdSaveToFile { 42 43 public static void main(String[] args) throws Exception { 44 testStartAndSave(); 45 testStopAndSave(); 46 } 47 48 private static void testStartAndSave() throws Exception { 49 String name = "testStartAndSave"; 50 File recording = new File(name + ".jfr"); 51 OutputAnalyzer output = JcmdHelper.jcmd("JFR.start", 52 "name=" + name, 53 "duration=1h", 54 "filename=" + recording.getAbsolutePath()); 55 JcmdAsserts.assertRecordingHasStarted(output); 56 JcmdHelper.waitUntilRunning(name); 57 JcmdHelper.stopAndCheck(name); 58 FileHelper.verifyRecording(recording); 59 } 60 61 private static void testStopAndSave() throws Exception { 62 String name = "testStopAndSave"; 63 File recording = new File(name + ".jfr"); 64 OutputAnalyzer output = JcmdHelper.jcmd("JFR.start", "name=" + name); 65 JcmdAsserts.assertRecordingHasStarted(output); 66 JcmdHelper.waitUntilRunning(name); 67 JcmdHelper.stopWriteToFileAndCheck(name, recording); 68 FileHelper.verifyRecording(recording); 69 } 70 }