1 /* 2 * Copyright (c) 2015, 2019, 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.testlibrary.jfr.FileHelper; 31 import jdk.testlibrary.OutputAnalyzer; 32 import jdk.testlibrary.jfr.JcmdAsserts; 33 import jdk.testlibrary.jfr.JcmdHelper; 34 35 /* 36 * @test 37 * @summary The test verifies that recording can be written to a file both with JFR.start and JFR.stop 38 * @key jfr 39 * @library /lib/testlibrary 40 * @run main/othervm jdk.jfr.jcmd.TestJcmdSaveToFile 41 */ 42 public class TestJcmdSaveToFile { 43 44 public static void main(String[] args) throws Exception { 45 testStartAndSave(); 46 testStopAndSave(); 47 } 48 49 private static void testStartAndSave() throws Exception { 50 String name = "testStartAndSave"; 51 File recording = new File(name + ".jfr"); 52 OutputAnalyzer output = JcmdHelper.jcmd("JFR.start", 53 "name=" + name, 54 "duration=1h", 55 "filename=" + recording.getAbsolutePath()); 56 JcmdAsserts.assertRecordingHasStarted(output); 57 JcmdHelper.waitUntilRunning(name); 58 JcmdHelper.stopAndCheck(name); 59 FileHelper.verifyRecording(recording); 60 } 61 62 private static void testStopAndSave() throws Exception { 63 String name = "testStopAndSave"; 64 File recording = new File(name + ".jfr"); 65 OutputAnalyzer output = JcmdHelper.jcmd("JFR.start", "name=" + name); 66 JcmdAsserts.assertRecordingHasStarted(output); 67 JcmdHelper.waitUntilRunning(name); 68 JcmdHelper.stopWriteToFileAndCheck(name, recording); 69 FileHelper.verifyRecording(recording); 70 } 71 }