1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8137167 27 * @summary Tests jcmd to be able to add a lot of huge directive files with 28 * parallel executed jcmds until timeout has reached 29 * @modules java.base/jdk.internal.misc 30 * @library /testlibrary /test/lib / 31 * 32 * @build compiler.compilercontrol.jcmd.StressAddMultiThreadedTest 33 * compiler.compilercontrol.share.pool.sub.* 34 * compiler.compilercontrol.share.pool.subpack.* 35 * sun.hotspot.WhiteBox 36 * compiler.testlibrary.CompilerUtils 37 * compiler.compilercontrol.share.actions.* 38 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 39 * sun.hotspot.WhiteBox$WhiteBoxPermission 40 * @run driver compiler.compilercontrol.jcmd.StressAddMultiThreadedTest 41 */ 42 43 package compiler.compilercontrol.jcmd; 44 45 import jdk.test.lib.dcmd.PidJcmdExecutor; 46 47 import java.util.concurrent.ArrayBlockingQueue; 48 import java.util.concurrent.BlockingQueue; 49 import java.util.concurrent.ExecutorService; 50 import java.util.concurrent.ThreadPoolExecutor; 51 import java.util.concurrent.TimeUnit; 52 53 public class StressAddMultiThreadedTest extends StressAddJcmdBase { 54 private static final int THREADS = Integer.getInteger( 55 "compiler.compilercontrol.jcmd.StressAddMultiThreadedTest.threads", 56 5); 57 private volatile int commands = Integer.getInteger( 58 "compiler.compilercontrol.jcmd.StressAddMultiThreadedTest.commands", 59 20); 60 private final BlockingQueue<Runnable> queue; 61 private final ExecutorService executor; 62 63 public StressAddMultiThreadedTest() { 64 queue = new ArrayBlockingQueue<>(THREADS); 65 executor = new ThreadPoolExecutor(THREADS, THREADS, 100, 66 TimeUnit.MILLISECONDS, queue, 67 new ThreadPoolExecutor.CallerRunsPolicy()); 68 } 69 70 public static void main(String[] args) { 71 new StressAddMultiThreadedTest().test(); 72 } 73 74 @Override 75 protected boolean makeConnection(int pid) { 76 executor.submit(() -> new PidJcmdExecutor(String.valueOf(pid)) 77 .execute(nextCommand())); 78 return (--commands != 0); 79 } 80 81 @Override 82 protected void finish() { 83 executor.shutdown(); 84 try { 85 executor.awaitTermination(10, TimeUnit.SECONDS); 86 } catch (InterruptedException e) { 87 throw new Error("Interrupted while awaiting for termination: " + e, 88 e); 89 } 90 executor.shutdownNow(); 91 } 92 }