Mercurial > hg > graal-compiler
view graal/GraalCompiler/src/com/sun/c1x/debug/GraphvizPrinterObserver.java @ 2674:6ab73784566a
* BlockBegin.predecessors changed to List<BlockEnd>
* Node: add input/successor with given back edge index, allows for explicit ordering of predecessors/usages
* Graphviz: PDF output, option to omit FrameStates
* runscimark.sh: forward additional options to JVM
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Fri, 13 May 2011 15:18:41 +0200 |
parents | d456b679b6de |
children | 4149feada801 |
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/* * Copyright (c) 2011, 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 com.sun.c1x.debug; import java.io.*; import com.oracle.graal.graph.*; import com.oracle.graal.graph.vis.*; import com.sun.c1x.*; import com.sun.c1x.observer.*; import com.sun.c1x.value.*; /** * Observes compilation events and uses {@link GraphvizPrinter} to produce a control flow graph in the DOT language * which can be visualized with Graphviz. * * @author Peter Hofer */ public class GraphvizPrinterObserver implements CompilationObserver { private final boolean pdf; private int n; public GraphvizPrinterObserver(boolean pdf) { this.pdf = pdf; } public void compilationStarted(CompilationEvent event) { n = 0; } public void compilationFinished(CompilationEvent event) { } public void compilationEvent(CompilationEvent event) { if (event.getStartBlock() != null && !TTY.isSuppressed()) { Graph graph = event.getStartBlock().graph(); String name = event.getMethod().holder().name(); name = name.substring(1, name.length() - 1).replace('/', '.'); name = name + "." + event.getMethod().name(); String filename = name + "_" + (n++) + "_" + event.getLabel(); try { if (pdf) { ByteArrayOutputStream out = new ByteArrayOutputStream(); GraphvizPrinter printer = new GraphvizPrinter(out); if (C1XOptions.OmitDOTFrameStates) { printer.addOmittedClass(FrameState.class); } printer.begin(name); printer.print(graph, true); printer.end(); FileOutputStream output = new FileOutputStream(filename + ".pdf"); GraphvizRunner.process(GraphvizRunner.DOT_LAYOUT, new ByteArrayInputStream(out.toByteArray()), output, "pdf"); output.close(); } else { final FileOutputStream stream = new FileOutputStream(filename + ".gv"); GraphvizPrinter printer = new GraphvizPrinter(stream); if (C1XOptions.OmitDOTFrameStates) { printer.addOmittedClass(FrameState.class); } printer.begin(name); printer.print(graph, true); printer.end(); stream.close(); } } catch (IOException e) { e.printStackTrace(); } } } }