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/*
* Copyright (c) 2015, 2022, 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.
*/
/*
* @test
* @key randomness
* @bug 8137167
* @summary Tests jcmd to be able to add a lot of huge directive files with
* parallel executed jcmds until timeout has reached
* @modules java.base/jdk.internal.misc
* @library /test/lib /
*
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run driver compiler.compilercontrol.jcmd.StressAddMultiThreadedTest
*/
package compiler.compilercontrol.jcmd;
import jdk.test.lib.dcmd.PidJcmdExecutor;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
public class StressAddMultiThreadedTest extends StressAddJcmdBase {
private static final int THREADS = Integer.getInteger(
"compiler.compilercontrol.jcmd.StressAddMultiThreadedTest.threads",
5);
private volatile int commands = Integer.getInteger(
"compiler.compilercontrol.jcmd.StressAddMultiThreadedTest.commands",
20);
private final BlockingQueue<Runnable> queue;
private final ExecutorService executor;
public StressAddMultiThreadedTest() {
queue = new ArrayBlockingQueue<>(THREADS);
executor = new ThreadPoolExecutor(THREADS, THREADS, 100,
TimeUnit.MILLISECONDS, queue,
new ThreadPoolExecutor.CallerRunsPolicy());
}
public static void main(String[] args) {
new StressAddMultiThreadedTest().test();
}
@Override
protected boolean makeConnection(int pid) {
String nextCommand = nextCommand();
executor.submit(() -> new PidJcmdExecutor(String.valueOf(pid))
.execute(nextCommand));
return (--commands != 0);
}
@Override
protected void finish() {
executor.shutdown();
try {
executor.awaitTermination(10, TimeUnit.SECONDS);
} catch (InterruptedException e) {
throw new Error("Interrupted while awaiting for termination: " + e,
e);
}
executor.shutdownNow();
}
}
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