Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/services/EventProvider.java @ 23721:c61554b3f6df
compiler selection should work without -Djvmci.Compiler (JDK-8160730)
author | Doug Simon <doug.simon@oracle.com> |
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date | Sat, 02 Jul 2016 01:00:12 +0200 |
parents | cd8fd4cced6c |
children |
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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.services; import jdk.vm.ci.hotspot.services.EmptyEventProvider.EmptyCompilationEvent; import jdk.vm.ci.hotspot.services.EmptyEventProvider.EmptyCompilerFailureEvent; import jdk.vm.ci.services.JVMCIPermission; /** * Service-provider class for logging compiler related events. */ public abstract class EventProvider { private static Void checkPermission() { SecurityManager sm = System.getSecurityManager(); if (sm != null) { sm.checkPermission(new JVMCIPermission()); } return null; } @SuppressWarnings("unused") EventProvider(Void ignore) { } /** * Initializes a new instance of this class. * * @throws SecurityException if a security manager has been installed and it denies * {@link JVMCIPermission} */ protected EventProvider() { this(checkPermission()); } /** * Creates and returns an empty implementation for {@link EventProvider}. This implementation * can be used when no logging is requested. */ public static EventProvider createEmptyEventProvider() { return new EmptyEventProvider(); } /** * Creates and returns an empty implementation for {@link CompilationEvent}. */ public static CompilationEvent createEmptyCompilationEvent() { return new EmptyCompilationEvent(); } /** * Creates and returns an empty implementation for {@link CompilationEvent}. */ public static CompilerFailureEvent createEmptyCompilerFailureEvent() { return new EmptyCompilerFailureEvent(); } /** * An instant event is an event that is not considered to have taken any time. */ public interface InstantEvent { /** * Commits the event. */ void commit(); /** * Determines if this particular event instance would be committed to the data stream right * now if application called {@link #commit()}. This in turn depends on whether the event is * enabled and possible other factors. * * @return if this event would be committed on a call to {@link #commit()}. */ boolean shouldWrite(); } /** * Timed events describe an operation that somehow consumes time. */ public interface TimedEvent extends InstantEvent { /** * Starts the timing for this event. */ void begin(); /** * Ends the timing period for this event. */ void end(); } /** * Creates a new {@link CompilationEvent}. * * @return a compilation event */ public abstract CompilationEvent newCompilationEvent(); /** * A compilation event. */ public interface CompilationEvent extends TimedEvent { void setMethod(String method); void setCompileId(int compileId); void setCompileLevel(int compileLevel); void setSucceeded(boolean succeeded); void setIsOsr(boolean isOsr); void setCodeSize(int codeSize); void setInlinedBytes(int inlinedBytes); } /** * Creates a new {@link CompilerFailureEvent}. * * @return a compiler failure event */ public abstract CompilerFailureEvent newCompilerFailureEvent(); /** * A compiler failure event. */ public interface CompilerFailureEvent extends InstantEvent { void setCompileId(int compileId); void setMessage(String message); } }