jdk8-mips64-public/hotspot: test/compiler/whitebox/CompilerWhiteBoxTest.java@5201379fe487 (annotated)

test/compiler/whitebox/CompilerWhiteBoxTest.java@5201379fe487 (annotated)

test/compiler/whitebox/CompilerWhiteBoxTest.java

Thu, 11 Apr 2013 21:45:21 -0700

author: amurillo
date: Thu, 11 Apr 2013 21:45:21 -0700
changeset 4915: 5201379fe487
parent 4908: b84fd7d73702
child 4951: 4b2eebe03f93
permissions: -rw-r--r--

Added tag hs25-b28 for changeset 6d88a566d369

 /*
  * 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 final boolean BACKGROUND_COMPILATION
             = Boolean.valueOf(getVMOption("BackgroundCompilation", "true"));
     protected static final boolean TIERED_COMPILATION
             = Boolean.valueOf(getVMOption("TieredCompilation", "false"));
     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 result;
         HotSpotDiagnosticMXBean diagnostic
                 = ManagementFactoryHelper.getDiagnosticMXBean();
         result = diagnostic.getVMOption(name).getValue();
         return result;
     }
     protected static String getVMOption(String name, String defaultValue) {
         String result = getVMOption(name);
         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);
             e.printStackTrace();
             throw new RuntimeException(e);
         }
         System.out.println("at test's end:");
         printInfo(METHOD);
     }
     protected static void checkNotCompiled(Method method) {
         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");
         }
     }
     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 {
         if (!BACKGROUND_COMPILATION) {
             return;
         }
         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() {
         return compile(Math.max(COMPILE_THRESHOLD, 150000));
     }
     protected final int compile(int count) {
         int result = 0;
         for (int i = 0; i < count; ++i) {
             result += method();
         }
         System.out.println("method was invoked " + count + " times");
         return result;
     }
     protected int method() {
         return 42;
     }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/compiler/whitebox/CompilerWhiteBoxTest.java@5201379fe487 (annotated)

test/compiler/whitebox/CompilerWhiteBoxTest.java