| /* |
| * Copyright (c) 2015, 2015, 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 org.graalvm.compiler.microbenchmarks.graal.util; |
| |
| import static org.graalvm.compiler.microbenchmarks.graal.util.GraalUtil.getGraph; |
| import static org.graalvm.compiler.microbenchmarks.graal.util.GraalUtil.getMethodFromMethodSpec; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| |
| import org.openjdk.jmh.annotations.Level; |
| import org.openjdk.jmh.annotations.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| |
| import org.graalvm.compiler.debug.Debug; |
| import org.graalvm.compiler.debug.DebugEnvironment; |
| import org.graalvm.compiler.debug.internal.DebugScope; |
| import org.graalvm.compiler.nodes.StructuredGraph; |
| |
| /** |
| * State providing a new copy of a graph for each invocation of a benchmark. Subclasses of this |
| * class are annotated with {@link MethodSpec} to specify the Java method that will be parsed to |
| * obtain the original graph. |
| */ |
| @State(Scope.Thread) |
| public abstract class GraphState { |
| |
| @SuppressWarnings("try") |
| public GraphState() { |
| // Ensure a debug configuration for this thread is initialized |
| if (Debug.isEnabled() && DebugScope.getConfig() == null) { |
| DebugEnvironment.initialize(System.out); |
| } |
| |
| GraalState graal = new GraalState(); |
| ResolvedJavaMethod method = graal.metaAccess.lookupJavaMethod(getMethodFromMethodSpec(getClass())); |
| StructuredGraph structuredGraph = null; |
| try (Debug.Scope s = Debug.scope("GraphState", method)) { |
| structuredGraph = preprocessOriginal(getGraph(graal, method)); |
| } catch (Throwable t) { |
| Debug.handle(t); |
| } |
| this.originalGraph = structuredGraph; |
| } |
| |
| protected StructuredGraph preprocessOriginal(StructuredGraph structuredGraph) { |
| return structuredGraph; |
| } |
| |
| /** |
| * Original graph from which the per-benchmark invocation {@link #graph} is cloned. |
| */ |
| private final StructuredGraph originalGraph; |
| |
| /** |
| * The graph processed by the benchmark. |
| */ |
| public StructuredGraph graph; |
| |
| @Setup(Level.Invocation) |
| public void beforeInvocation() { |
| graph = (StructuredGraph) originalGraph.copy(); |
| } |
| } |