author | stsmirno |
Mon, 17 Oct 2016 18:54:12 -0400 | |
changeset 41705 | 332239c052cc |
parent 41308 | acbb89f35332 |
child 42640 | 09dba077f1e7 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test OverloadCompileQueueTest |
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* @summary stressing code cache by overloading compile queues |
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* @library /test/lib / |
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* @modules java.base/jdk.internal.misc |
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* java.management |
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* |
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* @ignore 8166554 |
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* @build sun.hotspot.WhiteBox |
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* @run driver ClassFileInstaller sun.hotspot.WhiteBox |
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* sun.hotspot.WhiteBox$WhiteBoxPermission |
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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* -XX:+WhiteBoxAPI |
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* -XX:CompileCommand=dontinline,compiler.codecache.stress.Helper$TestCase::method |
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* -XX:-SegmentedCodeCache |
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* compiler.codecache.stress.OverloadCompileQueueTest |
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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* -XX:+WhiteBoxAPI |
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* -XX:CompileCommand=dontinline,compiler.codecache.stress.Helper$TestCase::method |
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* -XX:+SegmentedCodeCache |
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* compiler.codecache.stress.OverloadCompileQueueTest |
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*/ |
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package compiler.codecache.stress; |
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import jdk.test.lib.Platform; |
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import java.lang.reflect.Method; |
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import java.util.stream.IntStream; |
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public class OverloadCompileQueueTest implements Runnable { |
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private static final int MAX_SLEEP = 10000; |
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private static final String METHOD_TO_ENQUEUE = "method"; |
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private static final int LEVEL_SIMPLE = 1; |
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private static final int LEVEL_FULL_OPTIMIZATION = 4; |
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private static final boolean TIERED_COMPILATION |
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= Helper.WHITE_BOX.getBooleanVMFlag("TieredCompilation"); |
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private static final int TIERED_STOP_AT_LEVEL |
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= Helper.WHITE_BOX.getIntxVMFlag("TieredStopAtLevel").intValue(); |
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private static final int[] AVAILABLE_LEVELS; |
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static { |
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if (TIERED_COMPILATION) { |
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AVAILABLE_LEVELS = IntStream |
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.rangeClosed(LEVEL_SIMPLE, TIERED_STOP_AT_LEVEL) |
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.toArray(); |
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} else if (Platform.isServer()) { |
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AVAILABLE_LEVELS = new int[] { LEVEL_FULL_OPTIMIZATION }; |
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} else if (Platform.isClient() || Platform.isMinimal()) { |
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AVAILABLE_LEVELS = new int[] { LEVEL_SIMPLE }; |
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} else { |
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throw new Error("TESTBUG: unknown VM: " + Platform.vmName); |
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} |
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} |
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public static void main(String[] args) { |
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if (Platform.isInt()) { |
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throw new Error("TESTBUG: test can not be run in interpreter"); |
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} |
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new CodeCacheStressRunner(new OverloadCompileQueueTest()).runTest(); |
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} |
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public OverloadCompileQueueTest() { |
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Helper.startInfiniteLoopThread(this::lockUnlock, 100L); |
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} |
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@Override |
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public void run() { |
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Helper.TestCase obj = Helper.TestCase.get(); |
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Class clazz = obj.getClass(); |
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Method mEnqueue; |
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try { |
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mEnqueue = clazz.getMethod(METHOD_TO_ENQUEUE); |
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} catch (NoSuchMethodException | SecurityException e) { |
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throw new Error(String.format( |
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"TESTBUG: cannot get method '%s' of class %s", |
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METHOD_TO_ENQUEUE, clazz.getName()), e); |
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} |
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for (int compLevel : AVAILABLE_LEVELS) { |
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Helper.WHITE_BOX.enqueueMethodForCompilation(mEnqueue, compLevel); |
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} |
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} |
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private void lockUnlock() { |
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try { |
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int sleep = Helper.RNG.nextInt(MAX_SLEEP); |
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Helper.WHITE_BOX.lockCompilation(); |
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Thread.sleep(sleep); |
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} catch (InterruptedException e) { |
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throw new Error("TESTBUG: lockUnlocker thread was unexpectedly interrupted", e); |
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} finally { |
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Helper.WHITE_BOX.unlockCompilation(); |
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} |
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} |
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} |