Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot.jfr/src/jdk/vm/ci/hotspot/jfr/events/JFREventProvider.java @ 22729:e00426c54952
made JVMCI providers available as a normal services to avoid need for recompiling Graal jars to deploy them on JDK9
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 10 Nov 2015 23:16:06 +0100 |
parents | 1bbd4a7c274b |
children | f2206f5bb62e |
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/* * Copyright (c) 2014, 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. * * 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.vm.ci.hotspot.jfr.events; import static jdk.vm.ci.hotspot.HotSpotVMConfig.config; import java.net.URISyntaxException; import jdk.vm.ci.hotspot.events.EmptyEventProvider.EmptyCompilationEvent; import jdk.vm.ci.hotspot.events.EmptyEventProvider.EmptyCompilerFailureEvent; import jdk.vm.ci.hotspot.events.EventProvider; import jdk.vm.ci.service.ServiceProvider; /** * A JFR implementation for {@link EventProvider}. This implementation is used when Flight Recorder * is turned on. * * Note: The use of fully qualified names for deprecated types is a workaround for <a * href="https://bugs.openjdk.java.net/browse/JDK-8032211">JDK-8032211</a>. */ @ServiceProvider(EventProvider.class) @SuppressWarnings("deprecation") public final class JFREventProvider implements EventProvider { private final boolean enabled; /** * Need to store the producer in a field so that it doesn't disappear. */ @SuppressWarnings("unused") private final com.oracle.jrockit.jfr.Producer producer; public JFREventProvider() { enabled = config().flightRecorder; com.oracle.jrockit.jfr.Producer p = null; if (enabled) { try { /* * The "HotSpot JVM" producer is a native producer and we cannot use it. So we * create our own. This has the downside that Mission Control is confused and * doesn't show JVMCI events in the "Code" tab. There are plans to revise the JFR * code for JDK 9. */ p = new com.oracle.jrockit.jfr.Producer("HotSpot JVM", "Oracle Hotspot JVM", "http://www.oracle.com/hotspot/jvm/"); p.register(); // Register event classes with Producer. for (Class<?> c : JFREventProvider.class.getDeclaredClasses()) { if (c.isAnnotationPresent(com.oracle.jrockit.jfr.EventDefinition.class)) { assert com.oracle.jrockit.jfr.InstantEvent.class.isAssignableFrom(c) : c; registerEvent(p, c); } } } catch (URISyntaxException e) { throw new InternalError(e); } } this.producer = p; } /** * Register an event class with the {@link com.oracle.jrockit.jfr.Producer}. * * @param c event class * @return the {@link EventToken event token} */ @SuppressWarnings({"javadoc", "unchecked"}) private static com.oracle.jrockit.jfr.EventToken registerEvent(com.oracle.jrockit.jfr.Producer producer, Class<?> c) { try { return producer.addEvent((Class<? extends com.oracle.jrockit.jfr.InstantEvent>) c); } catch (com.oracle.jrockit.jfr.InvalidEventDefinitionException | com.oracle.jrockit.jfr.InvalidValueException e) { throw new InternalError(e); } } public CompilationEvent newCompilationEvent() { if (enabled) { return new JFRCompilationEvent(); } return new EmptyCompilationEvent(); } /** * A JFR compilation event. * * <p> * See: event {@code Compilation} in {@code src/share/vm/trace/trace.xml} */ @com.oracle.jrockit.jfr.EventDefinition(name = "Compilation", path = "vm/compiler/compilation") public static class JFRCompilationEvent extends com.oracle.jrockit.jfr.DurationEvent implements CompilationEvent { /* * FIXME method should be a Method* but we can't express that in Java. */ @com.oracle.jrockit.jfr.ValueDefinition(name = "Java Method") public String method; @com.oracle.jrockit.jfr.ValueDefinition(name = "Compilation ID", relationKey = "COMP_ID") public int compileId; @com.oracle.jrockit.jfr.ValueDefinition(name = "Compilation Level") public short compileLevel; @com.oracle.jrockit.jfr.ValueDefinition(name = "Succeeded") public boolean succeeded; @com.oracle.jrockit.jfr.ValueDefinition(name = "On Stack Replacement") public boolean isOsr; @com.oracle.jrockit.jfr.ValueDefinition(name = "Compiled Code Size", contentType = com.oracle.jrockit.jfr.ContentType.Bytes) public int codeSize; @com.oracle.jrockit.jfr.ValueDefinition(name = "Inlined Code Size", contentType = com.oracle.jrockit.jfr.ContentType.Bytes) public int inlinedBytes; public void setMethod(String method) { this.method = method; } public void setCompileId(int id) { this.compileId = id; } public void setCompileLevel(int compileLevel) { this.compileLevel = (short) compileLevel; } public void setSucceeded(boolean succeeded) { this.succeeded = succeeded; } public void setIsOsr(boolean isOsr) { this.isOsr = isOsr; } public void setCodeSize(int codeSize) { this.codeSize = codeSize; } public void setInlinedBytes(int inlinedBytes) { this.inlinedBytes = inlinedBytes; } } public CompilerFailureEvent newCompilerFailureEvent() { if (enabled) { return new JFRCompilerFailureEvent(); } return new EmptyCompilerFailureEvent(); } /** * A JFR compiler failure event. * * <p> * See: event {@code CompilerFailure} in {@code src/share/vm/trace/trace.xml} */ @com.oracle.jrockit.jfr.EventDefinition(name = "Compilation Failure", path = "vm/compiler/failure") public static class JFRCompilerFailureEvent extends com.oracle.jrockit.jfr.InstantEvent implements CompilerFailureEvent { @com.oracle.jrockit.jfr.ValueDefinition(name = "Compilation ID", relationKey = "COMP_ID") public int compileId; @com.oracle.jrockit.jfr.ValueDefinition(name = "Message", description = "The failure message") public String failure; public void setCompileId(int id) { this.compileId = id; } public void setMessage(String message) { this.failure = message; } } }