jdk8-mips64-public/hotspot: test/compiler/whitebox/CompilerWhiteBoxTest.java@2bac854670c0 (annotated)

test/compiler/whitebox/CompilerWhiteBoxTest.java@2bac854670c0 (annotated)

test/compiler/whitebox/CompilerWhiteBoxTest.java

Wed, 22 Jan 2014 12:37:28 -0800

author: katleman
date: Wed, 22 Jan 2014 12:37:28 -0800
changeset 6575: 2bac854670c0
parent 5983: 600c83f8e6a5
child 6211: d1760952ebdd
permissions: -rw-r--r--

Added tag jdk8u5-b05 for changeset b90de55aca30

 /*
  * 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_limited_profile} -- C1, invocation &amp; backedge counters */
     protected static int COMP_LEVEL_LIMITED_PROFILE = 2;
     /** {@code CompLevel::CompLevel_full_profile} -- C1, invocation &amp; backedge counters + mdo */
     protected static int COMP_LEVEL_FULL_PROFILE = 3;
     /** {@code CompLevel::CompLevel_full_optimization} -- C2 or Shark */
     protected static int COMP_LEVEL_FULL_OPTIMIZATION = 4;
     /** Maximal value for CompLeveL */
     protected static int COMP_LEVEL_MAX = COMP_LEVEL_FULL_OPTIMIZATION;
     /** 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"));
     /** Flag for verbose output, true if {@code -Dverbose} specified */
     protected static final boolean IS_VERBOSE
             = System.getProperty("verbose") != null;
     /** count of invocation to triger compilation */
     protected static final int THRESHOLD;
     /** count of invocation to triger OSR compilation */
     protected static final long BACKEDGE_THRESHOLD;
     /** Value of {@code java.vm.info} (interpreted|mixed|comp mode) */
     protected static final String MODE
             = System.getProperty("java.vm.info");
     static {
         if (TIERED_COMPILATION) {
             BACKEDGE_THRESHOLD = THRESHOLD = 150000;
         } else {
             THRESHOLD = COMPILE_THRESHOLD;
             BACKEDGE_THRESHOLD = COMPILE_THRESHOLD * Long.parseLong(getVMOption(
                     "OnStackReplacePercentage"));
         }
     }
     /**
      * 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;
     protected final TestCase testCase;
     /**
      * 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;
         this.testCase = testCase;
     }
     /**
      * 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, false)) {
             throw new RuntimeException(method + " must be not compiled");
         }
         if (WHITE_BOX.getMethodCompilationLevel(method, false) != 0) {
             throw new RuntimeException(method + " comp_level must be == 0");
         }
         if (WHITE_BOX.isMethodCompiled(method, true)) {
             throw new RuntimeException(method + " must be not osr_compiled");
         }
         if (WHITE_BOX.getMethodCompilationLevel(method, true) != 0) {
             throw new RuntimeException(method + " osr_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, testCase.isOsr)) {
             throw new RuntimeException(method + " must be "
                     + (testCase.isOsr ? "osr_" : "") + "compiled");
         }
         if (WHITE_BOX.getMethodCompilationLevel(method, testCase.isOsr) == 0) {
             throw new RuntimeException(method
                     + (testCase.isOsr ? " osr_" : " ")
                     + "comp_level must be != 0");
         }
     }
     protected final void deoptimize() {
         WHITE_BOX.deoptimizeMethod(method, testCase.isOsr);
         if (testCase.isOsr) {
             WHITE_BOX.deoptimizeMethod(method, false);
         }
     }
     protected final int getCompLevel() {
         return WHITE_BOX.getMethodCompilationLevel(method, testCase.isOsr);
     }
     protected final boolean isCompilable() {
         return WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY,
                 testCase.isOsr);
     }
     protected final boolean isCompilable(int compLevel) {
         return WHITE_BOX.isMethodCompilable(method, compLevel, testCase.isOsr);
     }
     protected final void makeNotCompilable() {
         WHITE_BOX.makeMethodNotCompilable(method, COMP_LEVEL_ANY,
                 testCase.isOsr);
     }
     protected final void makeNotCompilable(int compLevel) {
         WHITE_BOX.makeMethodNotCompilable(method, compLevel, testCase.isOsr);
     }
     /**
      * 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, COMP_LEVEL_ANY, false));
         System.out.printf("\tcompiled:\t%b%n",
                 WHITE_BOX.isMethodCompiled(method, false));
         System.out.printf("\tcomp_level:\t%d%n",
                 WHITE_BOX.getMethodCompilationLevel(method, false));
         System.out.printf("\tosr_compilable:\t%b%n",
                 WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, true));
         System.out.printf("\tosr_compiled:\t%b%n",
                 WHITE_BOX.isMethodCompiled(method, true));
         System.out.printf("\tosr_comp_level:\t%d%n",
                 WHITE_BOX.getMethodCompilationLevel(method, true));
          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 #testCase.callable} enough times.
      *
      * @return accumulated result
      * @see #compile(int)
      */
     protected final int compile() {
         if (testCase.isOsr) {
             return compile(1);
         } else {
             return compile(THRESHOLD);
         }
     }
     /**
      * Tries to trigger compilation of {@linkplain #method} by call
      * {@linkplain #testCase.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 = testCase.callable.call();
             } catch (Exception e) {
                 tmp = null;
             }
             result += tmp == null ? 0 : tmp;
         }
         if (IS_VERBOSE) {
             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, false),
     /** method test case */
     METOD_TEST(Helper.METHOD, Helper.METHOD_CALLABLE, false),
     /** static method test case */
     STATIC_TEST(Helper.STATIC, Helper.STATIC_CALLABLE, false),
     /** OSR constructor test case */
     OSR_CONSTRUCTOR_TEST(Helper.OSR_CONSTRUCTOR,
             Helper.OSR_CONSTRUCTOR_CALLABLE, true),
     /** OSR method test case */
     OSR_METOD_TEST(Helper.OSR_METHOD, Helper.OSR_METHOD_CALLABLE, true),
     /** OSR static method test case */
     OSR_STATIC_TEST(Helper.OSR_STATIC, Helper.OSR_STATIC_CALLABLE, true);
     /** tested method */
     final Executable executable;
     /** object to invoke {@linkplain #executable} */
     final Callable<Integer> callable;
     /** flag for OSR test case */
     final boolean isOsr;
     private TestCase(Executable executable, Callable<Integer> callable,
             boolean isOsr) {
         this.executable = executable;
         this.callable = callable;
         this.isOsr = isOsr;
     }
     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 Callable<Integer> OSR_CONSTRUCTOR_CALLABLE
                 = new Callable<Integer>() {
             @Override
             public Integer call() throws Exception {
                 return new Helper(null).hashCode();
             }
         };
         private static final Callable<Integer> OSR_METHOD_CALLABLE
                 = new Callable<Integer>() {
             private final Helper helper = new Helper();
             @Override
             public Integer call() throws Exception {
                 return helper.osrMethod();
             }
         };
         private static final Callable<Integer> OSR_STATIC_CALLABLE
                 = new Callable<Integer>() {
             @Override
             public Integer call() throws Exception {
                 return osrStaticMethod();
             }
         };
         private static final Constructor CONSTRUCTOR;
         private static final Constructor OSR_CONSTRUCTOR;
         private static final Method METHOD;
         private static final Method STATIC;
         private static final Method OSR_METHOD;
         private static final Method OSR_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 {
                 OSR_CONSTRUCTOR = Helper.class.getDeclaredConstructor(
                         Object.class);
             } catch (NoSuchMethodException | SecurityException e) {
                 throw new RuntimeException(
                         "exception on getting method Helper.<init>(Object)", e);
             }
             METHOD = getMethod("method");
             STATIC = getMethod("staticMethod");
             OSR_METHOD = getMethod("osrMethod");
             OSR_STATIC = getMethod("osrStaticMethod");
         }
         private static Method getMethod(String name) {
             try {
                 return Helper.class.getDeclaredMethod(name);
             } catch (NoSuchMethodException | SecurityException e) {
                 throw new RuntimeException(
                         "exception on getting method Helper." + name, e);
             }
         }
         private static int staticMethod() {
             return 1138;
         }
         private int method() {
             return 42;
         }
         private static int osrStaticMethod() {
             int result = 0;
             for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) {
                 result += staticMethod();
             }
             return result;
         }
         private int osrMethod() {
             int result = 0;
             for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) {
                 result += method();
             }
             return result;
         }
         private final int x;
         // for method and OSR method test case
         public Helper() {
             x = 0;
         }
         // for OSR constructor test case
         private Helper(Object o) {
             int result = 0;
             for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) {
                 result += method();
             }
             x = result;
         }
         // for constructor test case
         private Helper(int x) {
             this.x = x;
         }
         @Override
         public int hashCode() {
             return x;
         }
     }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/compiler/whitebox/CompilerWhiteBoxTest.java@2bac854670c0 (annotated)

test/compiler/whitebox/CompilerWhiteBoxTest.java