Mercurial > hg > truffle
view test/compiler/whitebox/CompilerWhiteBoxTest.java @ 8386:a019b27cb9ef
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 19 Mar 2013 20:48:53 +0100 |
parents | 12e01444ca2d |
children | 4efac99a998b |
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/* * Copyright (c) 2013, 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. */ import sun.hotspot.WhiteBox; import sun.management.ManagementFactoryHelper; import com.sun.management.HotSpotDiagnosticMXBean; import java.lang.reflect.Method; /* * @author igor.ignatyev@oracle.com */ public abstract class CompilerWhiteBoxTest { protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); protected static final Method METHOD = getMethod("method"); protected static final int COMPILE_THRESHOLD = Integer.parseInt(getVMOption("CompileThreshold", "10000")); protected static Method getMethod(String name) { try { return CompilerWhiteBoxTest.class.getDeclaredMethod(name); } catch (NoSuchMethodException | SecurityException e) { throw new RuntimeException( "exception on getting method " + name, e); } } protected static String getVMOption(String name, String defaultValue) { String result; HotSpotDiagnosticMXBean diagnostic = ManagementFactoryHelper.getDiagnosticMXBean(); result = diagnostic.getVMOption(name).getValue(); return result == null ? defaultValue : result; } protected final void runTest() throws RuntimeException { if (ManagementFactoryHelper.getCompilationMXBean() == null) { System.err.println( "Warning: test is not applicable in interpreted mode"); return; } System.out.println("at test's start:"); printInfo(METHOD); try { test(); } catch (Exception e) { System.out.printf("on exception '%s':", e.getMessage()); printInfo(METHOD); throw new RuntimeException(e); } System.out.println("at test's end:"); printInfo(METHOD); } protected static void checkNotCompiled(Method method) { if (WHITE_BOX.isMethodCompiled(method)) { throw new RuntimeException(method + " must be not compiled"); } if (WHITE_BOX.getMethodCompilationLevel(method) != 0) { throw new RuntimeException(method + " comp_level must be == 0"); } } protected static void checkCompiled(Method method) throws InterruptedException { final long start = System.currentTimeMillis(); waitBackgroundCompilation(method); if (WHITE_BOX.isMethodQueuedForCompilation(method)) { System.err.printf("Warning: %s is still in queue after %dms%n", method, System.currentTimeMillis() - start); return; } if (!WHITE_BOX.isMethodCompiled(method)) { throw new RuntimeException(method + " must be compiled"); } if (WHITE_BOX.getMethodCompilationLevel(method) == 0) { throw new RuntimeException(method + " comp_level must be != 0"); } } protected static void waitBackgroundCompilation(Method method) throws InterruptedException { final Object obj = new Object(); synchronized (obj) { for (int i = 0; i < 10; ++i) { if (!WHITE_BOX.isMethodQueuedForCompilation(method)) { break; } obj.wait(1000); } } } protected static void printInfo(Method method) { System.out.printf("%n%s:%n", method); System.out.printf("\tcompilable:\t%b%n", WHITE_BOX.isMethodCompilable(method)); System.out.printf("\tcompiled:\t%b%n", WHITE_BOX.isMethodCompiled(method)); System.out.printf("\tcomp_level:\t%d%n", WHITE_BOX.getMethodCompilationLevel(method)); System.out.printf("\tin_queue:\t%b%n", WHITE_BOX.isMethodQueuedForCompilation(method)); System.out.printf("compile_queues_size:\t%d%n%n", WHITE_BOX.getCompileQueuesSize()); } protected abstract void test() throws Exception; protected final int compile() { int result = 0; for (int i = 0; i < COMPILE_THRESHOLD; ++i) { result += method(); } return result; } protected int method() { return 42; } }