| /* |
| * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.jfr.event.compiler; |
| |
| import static jdk.test.lib.Asserts.assertFalse; |
| |
| import java.lang.reflect.Method; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import jdk.jfr.Recording; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.test.lib.Utils; |
| import jdk.test.lib.jfr.EventNames; |
| import jdk.test.lib.jfr.Events; |
| import sun.hotspot.WhiteBox; |
| |
| /* |
| * @test |
| * @key jfr |
| * @requires vm.compMode!="Xint" |
| * @library /test/lib |
| * @build sun.hotspot.WhiteBox |
| * @run main ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
| * jdk.jfr.event.compiler.TestCompilerCompile |
| */ |
| public class TestCompilerCompile { |
| private final static String EVENT_NAME = EventNames.Compilation; |
| private final static String METHOD_NAME = "dummyMethod"; |
| private boolean foundKnownMethod = false; |
| private boolean foundOsrMethod = false; |
| |
| public static void main(String[] args) throws Throwable { |
| TestCompilerCompile test = new TestCompilerCompile(); |
| test.doTest(); |
| } |
| |
| static void dummyMethod() { |
| System.out.println("hello!"); |
| } |
| |
| public void doTest() throws Throwable { |
| Recording recording = new Recording(); |
| recording.enable(EVENT_NAME); |
| |
| recording.start(); |
| long start = System.currentTimeMillis(); |
| // provoke OSR compilation |
| for (int i = 0; i < Integer.MAX_VALUE; i++) { |
| } |
| // compile dummyMethod() |
| Method mtd = TestCompilerCompile.class.getDeclaredMethod(METHOD_NAME, new Class[0]); |
| WhiteBox WB = WhiteBox.getWhiteBox(); |
| String directive = "[{ match: \"" + TestCompilerCompile.class.getName().replace('.', '/') |
| + "." + METHOD_NAME + "\", " + "BackgroundCompilation: false }]"; |
| WB.addCompilerDirective(directive); |
| if (!WB.enqueueMethodForCompilation(mtd, 4 /* CompLevel_full_optimization */)) { |
| WB.enqueueMethodForCompilation(mtd, 1 /* CompLevel_simple */); |
| } |
| Utils.waitForCondition(() -> WB.isMethodCompiled(mtd)); |
| dummyMethod(); |
| |
| System.out.println("time:" + (System.currentTimeMillis() - start)); |
| recording.stop(); |
| |
| Set<Integer> compileIds = new HashSet<Integer>(); |
| List<RecordedEvent> events = Events.fromRecording(recording); |
| Events.hasEvents(events); |
| for (RecordedEvent event : events) { |
| System.out.println("Event:" + event); |
| verifyEvent(event); |
| Integer compileId = Events.assertField(event, "compileId").getValue(); |
| assertFalse(compileIds.contains(compileId), "compile id not unique: " + compileId); |
| compileIds.add(compileId); |
| } |
| |
| // Verify that we actually encountered our expected method |
| if (!foundKnownMethod) { |
| throw new Exception("Couldn't find method jdk/jfr/event/compiler/TestCompilerCompile.dummyMethod()V among compilation events"); |
| } |
| |
| // Verify that doTest() function has been replaced on stack. |
| if (!foundOsrMethod) { |
| throw new Exception("No On Stack Replacement of function doTest()"); |
| } |
| } |
| |
| private void verifyEvent(RecordedEvent event) throws Throwable { |
| Events.assertJavaMethod(event); |
| Events.assertEventThread(event); |
| |
| String methodName = Events.assertField(event, "method.name").notEmpty().getValue(); |
| String methodDescriptor = Events.assertField(event, "method.descriptor").notEmpty().getValue(); |
| String methodType = Events.assertField(event, "method.type.name").notEmpty().getValue(); |
| |
| // Compare with a known candidate |
| if ("jdk/jfr/event/compiler/TestCompilerCompile".equals(methodType) && "dummyMethod".equals(methodName) && "()V".equals(methodDescriptor)) { |
| foundKnownMethod = true; |
| } |
| |
| // The doTest() function is live almost the entire time the test runs. |
| // We should get at least 1 "on stack replacement" for that method. |
| if (TestCompilerCompile.class.getName().replace('.', '/').equals(methodType) && "doTest".equals(methodName)) { |
| boolean isOsr = Events.assertField(event, "isOsr").getValue(); |
| if (isOsr) { |
| foundOsrMethod = true; |
| } |
| } |
| |
| Events.assertField(event, "compileId").atLeast(0); |
| Events.assertField(event, "compileLevel").atLeast((short) 0).atMost((short) 4); |
| Events.assertField(event, "inlinedBytes").atLeast(0L); |
| Events.assertField(event, "codeSize").atLeast(0L); |
| Events.assertField(event, "isOsr"); |
| } |
| } |