1 /*
 2  * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
 3  * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.
 9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
22  * questions.
23  *
24  */
25 
26  /*
27  * @test id=default
28  * @summary Test Shenandoah with different log levels
29  * @requires vm.gc.Shenandoah
30  *
31  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms256M -Xmx1G -Xlog:gc*=error   TestWithLogLevel
32  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms256M -Xmx1G -Xlog:gc*=warning TestWithLogLevel
33  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms256M -Xmx1G -Xlog:gc*=info    TestWithLogLevel
34  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms256M -Xmx1G -Xlog:gc*=debug   TestWithLogLevel
35  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms256M -Xmx1G -Xlog:gc*=trace   TestWithLogLevel
36  */
37 
38 /*
39  * @test id=generational
40  * @summary Test Shenandoah with different log levels
41  * @requires vm.gc.Shenandoah
42  *
43  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xms256M -Xmx1G -Xlog:gc*=error   TestWithLogLevel
44  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xms256M -Xmx1G -Xlog:gc*=warning TestWithLogLevel
45  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xms256M -Xmx1G -Xlog:gc*=info    TestWithLogLevel
46  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xms256M -Xmx1G -Xlog:gc*=debug   TestWithLogLevel
47  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xms256M -Xmx1G -Xlog:gc*=trace   TestWithLogLevel
48  */
49 import java.util.*;
50 
51 public class TestWithLogLevel {
52     public static void main(String[] args) {
53         ArrayList<Object> list = new ArrayList<>();
54         long count = 300 * 1024 * 1024 / 16; // 300MB allocation
55         for (long index = 0; index < count; index++) {
56             Object sink = new Object();
57             list.add(sink);
58         }
59     }
60 }