1 /*
2 * Copyright (c) 2017, 2021, 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 *
48 * @summary Test Shenandoah string deduplication implementation
49 * @key randomness
50 * @requires vm.gc.Shenandoah
51 * @library /test/lib
52 * @modules java.base/java.lang:open
53 * java.management
54 *
55 * @run main/othervm -Xmx256m -Xlog:gc+stats -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication
56 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive -XX:StringDeduplicationAgeThreshold=3
57 * TestStringDedup
58 *
59 * @run main/othervm -Xmx256m -Xlog:gc+stats -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication
60 * -XX:+UseShenandoahGC -XX:StringDeduplicationAgeThreshold=3
61 * TestStringDedup
62 *
63 * @run main/othervm -Xmx256m -Xlog:gc+stats -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication
64 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact -XX:StringDeduplicationAgeThreshold=3
65 * TestStringDedup
66 */
67
68 /*
69 * @test id=iu
70 * @summary Test Shenandoah string deduplication implementation
71 * @key randomness
72 * @requires vm.gc.Shenandoah
73 * @library /test/lib
74 * @modules java.base/java.lang:open
75 * java.management
76 *
77 * @run main/othervm -Xmx256m -Xlog:gc+stats -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication
78 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:StringDeduplicationAgeThreshold=3
79 * TestStringDedup
80 *
81 * @run main/othervm -Xmx256m -Xlog:gc+stats -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication
82 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive -XX:StringDeduplicationAgeThreshold=3
83 * TestStringDedup
84 */
85
86 import java.lang.reflect.*;
87 import java.util.*;
|
1 /*
2 * Copyright (c) 2017, 2021, 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 *
49 * @summary Test Shenandoah string deduplication implementation
50 * @key randomness
51 * @requires vm.gc.Shenandoah
52 * @library /test/lib
53 * @modules java.base/java.lang:open
54 * java.management
55 *
56 * @run main/othervm -Xmx256m -Xlog:gc+stats -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication
57 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive -XX:StringDeduplicationAgeThreshold=3
58 * TestStringDedup
59 *
60 * @run main/othervm -Xmx256m -Xlog:gc+stats -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication
61 * -XX:+UseShenandoahGC -XX:StringDeduplicationAgeThreshold=3
62 * TestStringDedup
63 *
64 * @run main/othervm -Xmx256m -Xlog:gc+stats -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication
65 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact -XX:StringDeduplicationAgeThreshold=3
66 * TestStringDedup
67 */
68
69 /*
70 * @test id=generational
71 * @summary Test Shenandoah string deduplication implementation
72 * @key randomness
73 * @requires vm.gc.Shenandoah
74 * @library /test/lib
75 * @modules java.base/java.lang:open
76 * java.management
77 *
78 * @run main/othervm -Xmx256m -Xlog:gc+stats -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication
79 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -XX:StringDeduplicationAgeThreshold=3
80 * TestStringDedup
81 */
82
83 /*
84 * @test id=iu
85 * @summary Test Shenandoah string deduplication implementation
86 * @key randomness
87 * @requires vm.gc.Shenandoah
88 * @library /test/lib
89 * @modules java.base/java.lang:open
90 * java.management
91 *
92 * @run main/othervm -Xmx256m -Xlog:gc+stats -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication
93 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:StringDeduplicationAgeThreshold=3
94 * TestStringDedup
95 *
96 * @run main/othervm -Xmx256m -Xlog:gc+stats -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseStringDeduplication
97 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive -XX:StringDeduplicationAgeThreshold=3
98 * TestStringDedup
99 */
100
101 import java.lang.reflect.*;
102 import java.util.*;
|