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.event.compiler; 27 28 import java.lang.reflect.Method; 29 import java.util.List; 30 31 import jdk.jfr.Recording; 32 import jdk.jfr.consumer.RecordedEvent; 33 import jdk.test.lib.Utils; 34 import jdk.test.lib.jfr.EventNames; 35 import jdk.test.lib.jfr.Events; 36 import sun.hotspot.WhiteBox; 37 38 /** 39 * @test 40 * @key jfr 41 * 42 * 43 * @library /lib / 44 * @build sun.hotspot.WhiteBox 45 * @run main ClassFileInstaller sun.hotspot.WhiteBox 46 * sun.hotspot.WhiteBox$WhiteBoxPermission 47 * @run main/othervm -Xbootclasspath/a:. 48 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 49 * -XX:CompileOnly=jdk.jfr.event.compiler.TestCompilerPhase::dummyMethod 50 * -Xbootclasspath/a:. 51 * jdk.jfr.event.compiler.TestCompilerPhase 52 */ 53 public class TestCompilerPhase { 54 private final static String EVENT_NAME = EventNames.CompilerPhase; 55 private final static String METHOD_NAME = "dummyMethod"; 56 private static final int COMP_LEVEL_SIMPLE = 1; 57 private static final int COMP_LEVEL_FULL_OPTIMIZATION = 4; 58 59 public static void main(String[] args) throws Exception { 60 Recording recording = new Recording(); 61 recording.enable(EVENT_NAME); 62 recording.start(); 63 64 // Provoke compilation 65 Method mtd = TestCompilerPhase.class.getDeclaredMethod(METHOD_NAME, new Class[0]); 66 WhiteBox WB = WhiteBox.getWhiteBox(); 67 if (!WB.enqueueMethodForCompilation(mtd, COMP_LEVEL_FULL_OPTIMIZATION)) { 68 WB.enqueueMethodForCompilation(mtd, COMP_LEVEL_SIMPLE); 69 } 70 Utils.waitForCondition(() -> WB.isMethodCompiled(mtd)); 71 dummyMethod(); 72 73 recording.stop(); 74 75 List<RecordedEvent> events = Events.fromRecording(recording); 76 Events.hasEvents(events); 77 for (RecordedEvent event : events) { 78 System.out.println("Event:" + event); 79 Events.assertField(event, "phase").notEmpty(); 80 Events.assertField(event, "compileId").atLeast(0); 81 Events.assertField(event, "phaseLevel").atLeast((short)0).atMost((short)4); 82 Events.assertEventThread(event); 83 } 84 } 85 86 static void dummyMethod() { 87 System.out.println("hello!"); 88 } 89 }