Mercurial > hg > graal-compiler
view test/compiler/whitebox/CompilerWhiteBoxTest.java @ 11643:2bd626188d31
Introduce TruffleMinInvokeThreshold flag.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 05 Sep 2013 16:36:40 +0200 |
parents | d1c9384eecb4 |
children | 11237ee74aae |
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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 com.sun.management.HotSpotDiagnosticMXBean; import com.sun.management.VMOption; import sun.hotspot.WhiteBox; import sun.management.ManagementFactoryHelper; import java.lang.reflect.Constructor; import java.lang.reflect.Executable; import java.lang.reflect.Method; import java.util.Objects; import java.util.concurrent.Callable; /** * Abstract class for WhiteBox testing of JIT. * * @author igor.ignatyev@oracle.com */ public abstract class CompilerWhiteBoxTest { /** {@code CompLevel::CompLevel_none} -- Interpreter */ protected static int COMP_LEVEL_NONE = 0; /** {@code CompLevel::CompLevel_any}, {@code CompLevel::CompLevel_all} */ protected static int COMP_LEVEL_ANY = -1; /** {@code CompLevel::CompLevel_simple} -- C1 */ protected static int COMP_LEVEL_SIMPLE = 1; /** {@code CompLevel::CompLevel_full_optimization} -- C2 or Shark */ protected static int COMP_LEVEL_FULL_OPTIMIZATION = 4; /** Instance of WhiteBox */ protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); /** Value of {@code -XX:CompileThreshold} */ protected static final int COMPILE_THRESHOLD = Integer.parseInt(getVMOption("CompileThreshold", "10000")); /** Value of {@code -XX:BackgroundCompilation} */ protected static final boolean BACKGROUND_COMPILATION = Boolean.valueOf(getVMOption("BackgroundCompilation", "true")); /** Value of {@code -XX:TieredCompilation} */ protected static final boolean TIERED_COMPILATION = Boolean.valueOf(getVMOption("TieredCompilation", "false")); /** Value of {@code -XX:TieredStopAtLevel} */ protected static final int TIERED_STOP_AT_LEVEL = Integer.parseInt(getVMOption("TieredStopAtLevel", "0")); /** * Returns value of VM option. * * @param name option's name * @return value of option or {@code null}, if option doesn't exist * @throws NullPointerException if name is null */ protected static String getVMOption(String name) { Objects.requireNonNull(name); HotSpotDiagnosticMXBean diagnostic = ManagementFactoryHelper.getDiagnosticMXBean(); VMOption tmp; try { tmp = diagnostic.getVMOption(name); } catch (IllegalArgumentException e) { tmp = null; } return (tmp == null ? null : tmp.getValue()); } /** * Returns value of VM option or default value. * * @param name option's name * @param defaultValue default value * @return value of option or {@code defaultValue}, if option doesn't exist * @throws NullPointerException if name is null * @see #getVMOption(String) */ protected static String getVMOption(String name, String defaultValue) { String result = getVMOption(name); return result == null ? defaultValue : result; } /** copy of is_c1_compile(int) from utilities/globalDefinitions.hpp */ protected static boolean isC1Compile(int compLevel) { return (compLevel > COMP_LEVEL_NONE) && (compLevel < COMP_LEVEL_FULL_OPTIMIZATION); } /** copy of is_c2_compile(int) from utilities/globalDefinitions.hpp */ protected static boolean isC2Compile(int compLevel) { return compLevel == COMP_LEVEL_FULL_OPTIMIZATION; } /** tested method */ protected final Executable method; private final Callable<Integer> callable; /** * Constructor. * * @param testCase object, that contains tested method and way to invoke it. */ protected CompilerWhiteBoxTest(TestCase testCase) { Objects.requireNonNull(testCase); System.out.println("TEST CASE:" + testCase.name()); method = testCase.executable; callable = testCase.callable; } /** * Template method for testing. Prints tested method's info before * {@linkplain #test()} and after {@linkplain #test()} or on thrown * exception. * * @throws RuntimeException if method {@linkplain #test()} throws any * exception * @see #test() */ protected final void runTest() { if (ManagementFactoryHelper.getCompilationMXBean() == null) { System.err.println( "Warning: test is not applicable in interpreted mode"); return; } System.out.println("at test's start:"); printInfo(); try { test(); } catch (Exception e) { System.out.printf("on exception '%s':", e.getMessage()); printInfo(); e.printStackTrace(); if (e instanceof RuntimeException) { throw (RuntimeException) e; } throw new RuntimeException(e); } System.out.println("at test's end:"); printInfo(); } /** * Checks, that {@linkplain #method} is not compiled. * * @throws RuntimeException if {@linkplain #method} is in compiler queue or * is compiled, or if {@linkplain #method} has zero * compilation level. */ protected final void checkNotCompiled() { if (WHITE_BOX.isMethodQueuedForCompilation(method)) { throw new RuntimeException(method + " must not be in queue"); } 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"); } } /** * Checks, that {@linkplain #method} is compiled. * * @throws RuntimeException if {@linkplain #method} isn't in compiler queue * and isn't compiled, or if {@linkplain #method} * has nonzero compilation level */ protected final void checkCompiled() { final long start = System.currentTimeMillis(); waitBackgroundCompilation(); 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"); } } /** * Waits for completion of background compilation of {@linkplain #method}. */ protected final void waitBackgroundCompilation() { if (!BACKGROUND_COMPILATION) { return; } final Object obj = new Object(); for (int i = 0; i < 10 && WHITE_BOX.isMethodQueuedForCompilation(method); ++i) { synchronized (obj) { try { obj.wait(1000); } catch (InterruptedException e) { Thread.currentThread().interrupt(); } } } } /** * Prints information about {@linkplain #method}. */ protected final void printInfo() { 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()); } /** * Executes testing. */ protected abstract void test() throws Exception; /** * Tries to trigger compilation of {@linkplain #method} by call * {@linkplain #callable} enough times. * * @return accumulated result * @see #compile(int) */ protected final int compile() { return compile(Math.max(COMPILE_THRESHOLD, 150000)); } /** * Tries to trigger compilation of {@linkplain #method} by call * {@linkplain #callable} specified times. * * @param count invocation count * @return accumulated result */ protected final int compile(int count) { int result = 0; Integer tmp; for (int i = 0; i < count; ++i) { try { tmp = callable.call(); } catch (Exception e) { tmp = null; } result += tmp == null ? 0 : tmp; } System.out.println("method was invoked " + count + " times"); return result; } } /** * Utility structure containing tested method and object to invoke it. */ enum TestCase { /** constructor test case */ CONSTRUCTOR_TEST(Helper.CONSTRUCTOR, Helper.CONSTRUCTOR_CALLABLE), /** method test case */ METOD_TEST(Helper.METHOD, Helper.METHOD_CALLABLE), /** static method test case */ STATIC_TEST(Helper.STATIC, Helper.STATIC_CALLABLE); /** tested method */ final Executable executable; /** object to invoke {@linkplain #executable} */ final Callable<Integer> callable; private TestCase(Executable executable, Callable<Integer> callable) { this.executable = executable; this.callable = callable; } private static class Helper { private static final Callable<Integer> CONSTRUCTOR_CALLABLE = new Callable<Integer>() { @Override public Integer call() throws Exception { return new Helper(1337).hashCode(); } }; private static final Callable<Integer> METHOD_CALLABLE = new Callable<Integer>() { private final Helper helper = new Helper(); @Override public Integer call() throws Exception { return helper.method(); } }; private static final Callable<Integer> STATIC_CALLABLE = new Callable<Integer>() { @Override public Integer call() throws Exception { return staticMethod(); } }; private static final Constructor CONSTRUCTOR; private static final Method METHOD; private static final Method STATIC; static { try { CONSTRUCTOR = Helper.class.getDeclaredConstructor(int.class); } catch (NoSuchMethodException | SecurityException e) { throw new RuntimeException( "exception on getting method Helper.<init>(int)", e); } try { METHOD = Helper.class.getDeclaredMethod("method"); } catch (NoSuchMethodException | SecurityException e) { throw new RuntimeException( "exception on getting method Helper.method()", e); } try { STATIC = Helper.class.getDeclaredMethod("staticMethod"); } catch (NoSuchMethodException | SecurityException e) { throw new RuntimeException( "exception on getting method Helper.staticMethod()", e); } } private static int staticMethod() { return 1138; } private int method() { return 42; } private final int x; public Helper() { x = 0; } private Helper(int x) { this.x = x; } @Override public int hashCode() { return x; } } }