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 * @library /testlibrary /test/lib /compiler/testlibrary ../share / 30 * @build compiler.compilercontrol.jcmd.StressAddMultiThreadedTest 31 * pool.sub.* pool.subpack.* sun.hotspot.WhiteBox 32 * compiler.testlibrary.CompilerUtils 33 * compiler.compilercontrol.share.actions.* 34 * @run main ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm/timeout=360 -Xmixed compiler.compilercontrol.jcmd.StressAddMultiThreadedTest 37 */ 38 39 package compiler.compilercontrol.jcmd; 40 41 import jdk.test.lib.dcmd.PidJcmdExecutor; 42 43 import java.util.concurrent.ArrayBlockingQueue; 44 import java.util.concurrent.BlockingQueue; 45 import java.util.concurrent.ExecutorService; 46 import java.util.concurrent.ThreadPoolExecutor; 47 import java.util.concurrent.TimeUnit; 48 49 public class StressAddMultiThreadedTest extends StressAddJcmdBase { 50 private static final int THREADS; 51 private final BlockingQueue<Runnable> queue; 52 private final ExecutorService executor; 53 54 static { 55 THREADS = (int) (Math.log(Runtime.getRuntime().availableProcessors() 56 * Integer.getInteger("compiler.compilercontrol.jcmd" 57 + ".StressAddMultiThreadedTest.threadFactor", 10))); 58 } 59 60 public StressAddMultiThreadedTest() { 61 queue = new ArrayBlockingQueue<>(THREADS); 62 executor = new ThreadPoolExecutor(THREADS, THREADS, 100, 63 TimeUnit.MILLISECONDS, queue, 64 new ThreadPoolExecutor.CallerRunsPolicy()); 65 System.out.println("INFO: stress threads: " + THREADS); 66 } 67 68 public static void main(String[] args) { 69 new StressAddMultiThreadedTest().test(); 70 } 71 72 @Override 73 protected boolean makeConnection(int pid) { 74 if (!executor.isShutdown()) { 75 executor.submit(() -> new PidJcmdExecutor(String.valueOf(pid)) 76 .execute(nextCommand())); 77 } 78 return !executor.isShutdown(); 79 } 80 81 @Override 82 protected void finish() { 83 executor.shutdown(); 84 try { 85 executor.awaitTermination(1, TimeUnit.SECONDS); 86 } catch (InterruptedException e) { 87 throw new Error("Interrupted while awaiting for termination: " + e, 88 e); 89 } 90 executor.shutdownNow(); 91 } 92 }