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  * @requires vm.compMode!="Xint" & vm.flavor == "server" & (vm.opt.TieredStopAtLevel == 4 | vm.opt.TieredStopAtLevel == null)

    42  * @library /test/lib

    43  * @build sun.hotspot.WhiteBox

    44  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    45  *     sun.hotspot.WhiteBox$WhiteBoxPermission

    46  * @run main/othervm -Xbootclasspath/a:.

    47  *     -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI

    48  *     -XX:CompileOnly=jdk.jfr.event.compiler.TestCompilerPhase::dummyMethod

    49  *     -XX:+SegmentedCodeCache -Xbootclasspath/a:.

    50  *     jdk.jfr.event.compiler.TestCompilerPhase

    51  */

    52 public class TestCompilerPhase {

    53     private final static String EVENT_NAME = EventNames.CompilerPhase;

    54     private final static String METHOD_NAME = "dummyMethod";

    55     private static final int COMP_LEVEL_SIMPLE = 1;

    56     private static final int COMP_LEVEL_FULL_OPTIMIZATION = 4;

    57 

    58     public static void main(String[] args) throws Exception {

    59         Recording recording = new Recording();

    60         recording.enable(EVENT_NAME);

    61         recording.start();

    62 

    63         // Provoke compilation

    64         Method mtd = TestCompilerPhase.class.getDeclaredMethod(METHOD_NAME, new Class[0]);

    65         WhiteBox WB = WhiteBox.getWhiteBox();

    66         String directive = "[{ match: \"" + TestCompilerPhase.class.getName().replace('.', '/')

    67                 + "." + METHOD_NAME + "\", " + "BackgroundCompilation: false }]";

    68         WB.addCompilerDirective(directive);

    69         if (!WB.enqueueMethodForCompilation(mtd, COMP_LEVEL_FULL_OPTIMIZATION)) {

    70             WB.enqueueMethodForCompilation(mtd, COMP_LEVEL_SIMPLE);

    71         }

    72         Utils.waitForCondition(() -> WB.isMethodCompiled(mtd));

    73         dummyMethod();

    74 

    75         recording.stop();

    76 

    77         List<RecordedEvent> events = Events.fromRecording(recording);

    78         Events.hasEvents(events);

    79         for (RecordedEvent event : events) {

    80             System.out.println("Event:" + event);

    81             Events.assertField(event, "phase").notEmpty();

    82             Events.assertField(event, "compileId").atLeast(0);

    83             Events.assertField(event, "phaseLevel").atLeast((short)0).atMost((short)4);

    84             Events.assertEventThread(event);

    85         }

    86     }

    87 

    88     static void dummyMethod() {

    89         System.out.println("hello!");

    90     }

    91 }