001/*
002 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.truffle.debug;
024
025import static com.oracle.graal.truffle.TruffleCompilerOptions.*;
026
027import java.util.*;
028
029import jdk.internal.jvmci.code.*;
030
031import com.oracle.graal.nodes.*;
032import com.oracle.graal.truffle.*;
033import com.oracle.truffle.api.nodes.*;
034
035public final class TraceCompilationPolymorphismListener extends AbstractDebugCompilationListener {
036
037    private TraceCompilationPolymorphismListener() {
038    }
039
040    public static void install(GraalTruffleRuntime runtime) {
041        if (TraceTruffleCompilationPolymorphism.getValue()) {
042            runtime.addCompilationListener(new TraceCompilationPolymorphismListener());
043        }
044    }
045
046    @Override
047    public void notifyCompilationSuccess(OptimizedCallTarget target, StructuredGraph graph, CompilationResult result) {
048        super.notifyCompilationSuccess(target, graph, result);
049        target.nodeStream(true).filter(node -> node != null && (node.getCost() == NodeCost.MEGAMORPHIC || node.getCost() == NodeCost.POLYMORPHIC)).//
050        forEach(node -> {
051            NodeCost cost = node.getCost();
052            Map<String, Object> props = new LinkedHashMap<>();
053            props.put("simpleName", node.getClass().getSimpleName());
054            props.put("subtree", "\n" + NodeUtil.printCompactTreeToString(node));
055            String msg = cost == NodeCost.MEGAMORPHIC ? "megamorphic" : "polymorphic";
056            log(target, 0, msg, node.toString(), props);
057        });
058    }
059
060}