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  *     -XX:+SegmentedCodeCache -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         String directive = "[{ match: \"" + TestCompilerPhase.class.getName().replace('.', '/')
  68                 + "." + METHOD_NAME + "\", " + "BackgroundCompilation: false }]";
  69         WB.addCompilerDirective(directive);
  70         if (!WB.enqueueMethodForCompilation(mtd, COMP_LEVEL_FULL_OPTIMIZATION)) {
  71             WB.enqueueMethodForCompilation(mtd, COMP_LEVEL_SIMPLE);
  72         }
  73         Utils.waitForCondition(() -> WB.isMethodCompiled(mtd));
  74         dummyMethod();
  75 
  76         recording.stop();
  77 
  78         List<RecordedEvent> events = Events.fromRecording(recording);
  79         Events.hasEvents(events);
  80         for (RecordedEvent event : events) {
  81             System.out.println("Event:" + event);
  82             Events.assertField(event, "phase").notEmpty();
  83             Events.assertField(event, "compileId").atLeast(0);
  84             Events.assertField(event, "phaseLevel").atLeast((short)0).atMost((short)4);
  85             Events.assertEventThread(event);
  86         }
  87     }
  88 
  89     static void dummyMethod() {
  90         System.out.println("hello!");
  91     }
  92 }