Fri, 25 Jul 2014 14:14:14 +0100
Merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* @test TestG1ZeroPGCTJcmdThreadPrint |
aoqi@0 | 25 | * @key gc |
aoqi@0 | 26 | * @bug 8005875 |
aoqi@0 | 27 | * @summary Use jcmd to generate a thread dump of a Java program being run with PGCT=0 to verify 8005875 |
aoqi@0 | 28 | * @library /testlibrary |
aoqi@0 | 29 | * @run main/othervm -XX:+UseG1GC -XX:ParallelGCThreads=0 -XX:+IgnoreUnrecognizedVMOptions TestG1ZeroPGCTJcmdThreadPrint |
aoqi@0 | 30 | */ |
aoqi@0 | 31 | |
aoqi@0 | 32 | import com.oracle.java.testlibrary.*; |
aoqi@0 | 33 | |
aoqi@0 | 34 | public class TestG1ZeroPGCTJcmdThreadPrint { |
aoqi@0 | 35 | public static void main(String args[]) throws Exception { |
aoqi@0 | 36 | |
aoqi@0 | 37 | // Grab the pid from the current java process |
aoqi@0 | 38 | String pid = Integer.toString(ProcessTools.getProcessId()); |
aoqi@0 | 39 | |
aoqi@0 | 40 | // Create a ProcessBuilder |
aoqi@0 | 41 | ProcessBuilder pb = new ProcessBuilder(); |
aoqi@0 | 42 | |
aoqi@0 | 43 | // Run jcmd <pid> Thread.print |
aoqi@0 | 44 | pb.command(JDKToolFinder.getJDKTool("jcmd"), pid, "Thread.print"); |
aoqi@0 | 45 | |
aoqi@0 | 46 | OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
aoqi@0 | 47 | |
aoqi@0 | 48 | // There shouldn't be a work gang for concurrent marking. |
aoqi@0 | 49 | output.shouldNotContain("G1 Parallel Marking Threads"); |
aoqi@0 | 50 | |
aoqi@0 | 51 | // Make sure we didn't crash |
aoqi@0 | 52 | output.shouldHaveExitValue(0); |
aoqi@0 | 53 | } |
aoqi@0 | 54 | } |