| /* |
| * Copyright (c) 2010, 2018, 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. |
| */ |
| package vm.gc.containers; |
| |
| import java.lang.management.ManagementFactory; |
| import java.lang.management.MemoryUsage; |
| import java.util.*; |
| import nsk.share.TestBug; |
| import nsk.share.gc.*; |
| import nsk.share.gc.gp.GarbageProducer; |
| import nsk.share.gc.gp.GarbageProducerAware; |
| import nsk.share.gc.gp.MemoryStrategy; |
| import nsk.share.gc.gp.MemoryStrategyAware; |
| import nsk.share.test.ExecutionController; |
| |
| /* |
| * The main class and launcher for all containers tests. |
| * Allow to set containers via set -ct parameters. See parseFromString decription. |
| */ |
| public class ContainersTest extends ThreadedGCTest implements MemoryStrategyAware, GarbageProducerAware { |
| |
| private GarbageProducer garbageProducer; |
| private MemoryStrategy memoryStrategy; |
| MemoryUsage mbean = ManagementFactory.getMemoryMXBean().getHeapMemoryUsage(); |
| |
| public ContainersTest(String[] args) { |
| for (int i = 0; i < args.length; i++) { |
| if (args[i].equals("-ct")) { |
| descrs.add(ContainerDescription.parseFromString(args[i + 1])); |
| } |
| } |
| if (descrs.size() == 0) { |
| throw new TestBug("No containers were given"); |
| } |
| } |
| |
| @Override |
| public void setMemoryStrategy(MemoryStrategy memoryStrategy) { |
| this.memoryStrategy = memoryStrategy; |
| } |
| |
| @Override |
| public void setGarbageProducer(GarbageProducer gp) { |
| this.garbageProducer = gp; |
| } |
| |
| private class Mutator implements Runnable { |
| |
| Container container; |
| |
| public Mutator(Container container) { |
| this.container = container; |
| } |
| |
| @Override |
| public void run() { |
| ExecutionController stresser = getExecutionController(); |
| container.setExecutionController(stresser); |
| try { |
| container.initialize(); |
| while (stresser.continueExecution()) { |
| container.update(); |
| } |
| } catch (OutOfMemoryError oome) { |
| // The OOME is teoretically possible in the case |
| // if data structure has a large overhead |
| } |
| } |
| } |
| List<ContainerDescription> descrs = new ArrayList<ContainerDescription>(); |
| List<Container> containers = new ArrayList<Container>(); |
| |
| @Override |
| protected Runnable createRunnable(int i) { |
| return new Mutator(containers.get(i)); |
| } |
| |
| public Container createContainter(long maxMemory, ContainerDescription descr) { |
| String[] prefixes = {"java.util", "java.util.concurrent", "vm.gc.containers"}; |
| String name = descr.getName(); |
| Class clz = null; |
| for (String prefix : prefixes) { |
| try { |
| clz = Class.forName(prefix + "." + name); |
| } catch (ClassNotFoundException ex) { |
| // no such class, contiue |
| } |
| } |
| Object container; |
| try { |
| container = clz.newInstance(); |
| } catch (Exception ex) { |
| throw new TestBug("Not able to create a container", ex); |
| } |
| // Deques are also collections... |
| if (container instanceof Map) { |
| return new MapContainer((Map) container, maxMemory, |
| descr.getGarbageProducer() != null ? descr.getGarbageProducer() : garbageProducer, |
| descr.getMemoryStrategy() != null ? descr.getMemoryStrategy() : memoryStrategy, |
| descr.getSpeed()); |
| } else if (container instanceof Deque) { |
| return new DequeueContainer((Deque) container, maxMemory, |
| descr.getGarbageProducer() != null ? descr.getGarbageProducer() : garbageProducer, |
| descr.getMemoryStrategy() != null ? descr.getMemoryStrategy() : memoryStrategy, |
| descr.getSpeed(), runParams.getNumberOfThreads()); |
| } else if (container instanceof Collection) { |
| return new CollectionContainer((Collection) container, maxMemory, |
| descr.getGarbageProducer() != null ? descr.getGarbageProducer() : garbageProducer, |
| descr.getMemoryStrategy() != null ? descr.getMemoryStrategy() : memoryStrategy, |
| descr.getSpeed()); |
| } |
| throw new TestBug("Not able to create a container"); |
| } |
| |
| void createEmptyContainers(long maxMemory) { |
| containers = new ArrayList<Container>(); |
| for (int i = 0; containers.size() < runParams.getNumberOfThreads(); i++) { |
| Container container = createContainter(maxMemory / runParams.getNumberOfThreads(), |
| descrs.get(i % descrs.size())); |
| // we share container between workers if threadsCount > 1 |
| for (int cnt = descrs.get(i % descrs.size()).getThreadsCount(); |
| cnt != 0 && containers.size() < runParams.getNumberOfThreads(); |
| cnt--) { |
| containers.add(container); |
| } |
| } |
| } |
| |
| @Override |
| public void run() { |
| long maxMemory = runParams.getTestMemory(); |
| createEmptyContainers(maxMemory); |
| super.run(); |
| } |
| |
| public static void main(String args[]) { |
| GC.runTest(new ContainersTest(args), args); |
| } |
| } |