1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.debug.internal.method; 24 25 import org.graalvm.compiler.debug.Debug; 26 import org.graalvm.compiler.debug.internal.DebugScope; 27 import org.graalvm.compiler.debug.internal.DebugScope.ExtraInfo; 28 29 import jdk.vm.ci.meta.ResolvedJavaMethod; 30 31 public class MethodMetricsRootScopeInfo implements ExtraInfo { 32 protected final ResolvedJavaMethod rootMethod; 33 34 MethodMetricsRootScopeInfo(ResolvedJavaMethod rootMethod) { 35 this.rootMethod = rootMethod; 36 } 37 38 public ResolvedJavaMethod getRootMethod() { 39 return rootMethod; 40 } 41 42 public static MethodMetricsRootScopeInfo create(ResolvedJavaMethod rootMethod) { 43 return new MethodMetricsRootScopeInfo(rootMethod); 44 } 45 46 /** 47 * Creates and returns a {@link org.graalvm.compiler.debug.Debug.Scope scope} iff there is no 48 * existing {@linkplain org.graalvm.compiler.debug.internal.DebugScope.ExtraInfo extraInfo} 49 * object of type {@link MethodMetricsRootScopeInfo} present in the current {@link DebugScope 50 * scope}. 51 * 52 * @param method 53 * @return a new {@link org.graalvm.compiler.debug.Debug.Scope scope} or {@code null} iff there 54 * is already an existing one on the scope 55 */ 56 public static Debug.Scope createRootScopeIfAbsent(ResolvedJavaMethod method) { 57 /* 58 * if the current compilation is not triggered from JVMCI we need a valid context root 59 * method for method metrics 60 */ 61 return DebugScope.getInstance().getExtraInfo() instanceof MethodMetricsRootScopeInfo ? null : Debug.methodMetricsScope("GraalCompilerRoot", MethodMetricsRootScopeInfo.create(method), true); 62 } 63 64 }