1 /*
2 * Copyright (c) 2016, 2018, Red Hat, Inc. 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 /*
26 * @test
27 * @summary Shenandoah crashes with -XX:ObjectAlignmentInBytes=16
28 * @key randomness
29 * @requires vm.gc.Shenandoah
30 * @requires vm.bits == "64"
31 * @library /test/lib
32 *
33 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -Xint TestLargeObjectAlignment
34 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -XX:-TieredCompilation TestLargeObjectAlignment
35 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -XX:TieredStopAtLevel=1 TestLargeObjectAlignment
36 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -XX:TieredStopAtLevel=4 TestLargeObjectAlignment
37 */
38
39 import java.util.ArrayList;
40 import java.util.List;
41 import java.util.Random;
42 import jdk.test.lib.Utils;
43
44 public class TestLargeObjectAlignment {
45
46 static final int SLABS_COUNT = Integer.getInteger("slabs", 10000);
47 static final int NODE_COUNT = Integer.getInteger("nodes", 10000);
48 static final long TIME_NS = 1000L * 1000L * Integer.getInteger("timeMs", 5000);
49
50 static Object[] objects;
51
52 public static void main(String[] args) throws Exception {
53 objects = new Object[SLABS_COUNT];
54
55 long start = System.nanoTime();
56 Random rng = Utils.getRandomInstance();
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1 /*
2 * Copyright (c) 2016, 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 default
28 * @summary Shenandoah crashes with -XX:ObjectAlignmentInBytes=16
29 * @key randomness
30 * @requires vm.gc.Shenandoah
31 * @requires vm.bits == "64"
32 * @library /test/lib
33 *
34 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -Xint TestLargeObjectAlignment
35 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -XX:-TieredCompilation TestLargeObjectAlignment
36 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -XX:TieredStopAtLevel=1 TestLargeObjectAlignment
37 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -XX:TieredStopAtLevel=4 TestLargeObjectAlignment
38 */
39
40 /*
41 * @test generational
42 * @summary Shenandoah crashes with -XX:ObjectAlignmentInBytes=16
43 * @key randomness
44 * @requires vm.gc.Shenandoah
45 * @requires vm.bits == "64"
46 * @library /test/lib
47 *
48 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -XX:ObjectAlignmentInBytes=16 -Xint TestLargeObjectAlignment
49 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -XX:ObjectAlignmentInBytes=16 -XX:-TieredCompilation TestLargeObjectAlignment
50 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -XX:ObjectAlignmentInBytes=16 -XX:TieredStopAtLevel=1 TestLargeObjectAlignment
51 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -XX:ObjectAlignmentInBytes=16 -XX:TieredStopAtLevel=4 TestLargeObjectAlignment
52 */
53
54 import java.util.ArrayList;
55 import java.util.List;
56 import java.util.Random;
57 import jdk.test.lib.Utils;
58
59 public class TestLargeObjectAlignment {
60
61 static final int SLABS_COUNT = Integer.getInteger("slabs", 10000);
62 static final int NODE_COUNT = Integer.getInteger("nodes", 10000);
63 static final long TIME_NS = 1000L * 1000L * Integer.getInteger("timeMs", 5000);
64
65 static Object[] objects;
66
67 public static void main(String[] args) throws Exception {
68 objects = new Object[SLABS_COUNT];
69
70 long start = System.nanoTime();
71 Random rng = Utils.getRandomInstance();
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