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 com.oracle.graal.truffle.*; 030import com.oracle.truffle.api.nodes.*; 031import com.oracle.truffle.api.nodes.NodeUtil.NodeCountFilter; 032 033public final class TraceSplittingListener extends AbstractDebugCompilationListener { 034 035 private TraceSplittingListener() { 036 } 037 038 public static void install(GraalTruffleRuntime runtime) { 039 if (TraceTruffleSplitting.getValue()) { 040 runtime.addCompilationListener(new TraceSplittingListener()); 041 } 042 } 043 044 private int splitCount; 045 046 @Override 047 public void notifyCompilationSplit(OptimizedDirectCallNode callNode) { 048 OptimizedCallTarget callTarget = callNode.getCallTarget(); 049 String label = String.format("split %3s-%-4s-%-4s ", splitCount++, callNode.getCurrentCallTarget().getCloneIndex(), callNode.getCallCount()); 050 log(callTarget, 0, label, callTarget.toString(), callTarget.getDebugProperties()); 051 052 if (TruffleSplittingNew.getValue()) { 053 Map<TruffleStamp, OptimizedCallTarget> splitTargets = callTarget.getSplitVersions(); 054 logProfile(callTarget.getArgumentStamp(), callTarget); 055 for (TruffleStamp profile : splitTargets.keySet()) { 056 logProfile(profile, splitTargets.get(profile)); 057 } 058 } 059 } 060 061 private static void logProfile(TruffleStamp stamp, OptimizedCallTarget target) { 062 String id = String.format("@%8h %s", target.hashCode(), target.getSourceCallTarget() == null ? "orig." : "split"); 063 target.log(String.format("%16s%-20sCallers: %3d, Nodes:%10s %s", "", id, target.getKnownCallSiteCount(), // 064 String.format("%d (%d/%d)", count(target, NodeCost.MONOMORPHIC), count(target, NodeCost.POLYMORPHIC), count(target, NodeCost.MEGAMORPHIC)), stamp)); 065 } 066 067 private static int count(OptimizedCallTarget target, final NodeCost otherCost) { 068 return NodeUtil.countNodes(target.getRootNode(), new NodeCountFilter() { 069 public boolean isCounted(Node node) { 070 return node.getCost() == otherCost; 071 } 072 }); 073 } 074 075}