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comparison test/gc/8000311/Test8000311.java @ 8073:ccc57295818b

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8006628: NEED_TEST for JDK-8002870 Summary: Regression test for 8000311. Verifies that PLABStats works with zero parallel GC threads. Reviewed-by: jmasa, johnc Contributed-by: Filipp Zhinkin <filipp.zhinkin@oracle.com>
author johnc
date Tue, 19 Feb 2013 16:22:28 -0800
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8072:fd7b3770c77e 8073:ccc57295818b
1 /*
2 * Copyright (c) 2013, 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 Test8000311
26 * @key gc
27 * @bug 8000311
28 * @summary G1: ParallelGCThreads==0 broken
29 * @run main/othervm -XX:+UseG1GC -XX:ParallelGCThreads=0 -XX:+ResizePLAB -XX:+ExplicitGCInvokesConcurrent Test8000311
30 * @author filipp.zhinkin@oracle.com
31 */
32
33 import java.util.*;
34
35 public class Test8000311 {
36 public static void main(String args[]) {
37 for(int i = 0; i<100; i++) {
38 byte[] garbage = new byte[1000];
39 System.gc();
40 }
41 }
42 }