116 lines
4.6 KiB
Java
116 lines
4.6 KiB
Java
/*
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* Copyright (c) 2014, 2015, 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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import java.lang.reflect.Method;
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import java.util.stream.IntStream;
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import jdk.test.lib.Platform;
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/*
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* @test OverloadCompileQueueTest
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* @library /testlibrary /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @ignore 8071905
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* @build OverloadCompileQueueTest
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* @run main ClassFileInstaller sun.hotspot.WhiteBox
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* sun.hotspot.WhiteBox$WhiteBoxPermission
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:CompileCommand=dontinline,Helper$TestCase::method
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* -XX:+WhiteBoxAPI -XX:-SegmentedCodeCache OverloadCompileQueueTest
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:CompileCommand=dontinline,Helper$TestCase::method
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* -XX:+WhiteBoxAPI -XX:+SegmentedCodeCache OverloadCompileQueueTest
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* @summary stressing code cache by overloading compile queues
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*/
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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 INTERPRETED
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= System.getProperty("java.vm.info").startsWith("interpreted ");
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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(String.format(
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"TESTBUG: unknown VM: %s", System.getProperty("java.vm.name")));
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}
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}
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public static void main(String[] args) {
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if (INTERPRETED) {
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System.err.println("Test isn't applicable for interpreter. Skip test.");
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return;
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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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}
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