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 id=passive
27 * @summary Acceptance tests: collector can withstand allocation
28 * @requires vm.gc.Shenandoah
29 *
30 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
31 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
32 * -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
33 * TestAllocObjects
34 *
35 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
36 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
37 * -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
38 * TestAllocObjects
39 *
40 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
41 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
42 * -XX:+ShenandoahDegeneratedGC
43 * TestAllocObjects
44 *
45 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
46 * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
47 * -XX:-ShenandoahDegeneratedGC
48 * TestAllocObjects
49 */
50
51 /*
52 * @test id=aggressive
53 * @summary Acceptance tests: collector can withstand allocation
54 * @requires vm.gc.Shenandoah
55 *
56 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
57 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
58 * -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
59 * TestAllocObjects
60 *
61 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
62 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
63 * -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
64 * TestAllocObjects
65 *
66 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
67 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
68 * -XX:+ShenandoahOOMDuringEvacALot
69 * TestAllocObjects
70 *
71 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
72 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
73 * -XX:+ShenandoahAllocFailureALot
74 * TestAllocObjects
75 *
76 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
77 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
78 * TestAllocObjects
79 */
80
81 /*
82 * @test id=adaptive
83 * @summary Acceptance tests: collector can withstand allocation
84 * @requires vm.gc.Shenandoah
85 *
86 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
87 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
88 * -XX:+ShenandoahVerify
89 * TestAllocObjects
90 *
91 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
92 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
93 * TestAllocObjects
94 */
95
96 /*
97 * @test id=static
98 * @summary Acceptance tests: collector can withstand allocation
99 * @requires vm.gc.Shenandoah
100 *
101 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
102 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
103 * TestAllocObjects
104 */
105
106 /*
107 * @test id=compact
108 * @summary Acceptance tests: collector can withstand allocation
109 * @requires vm.gc.Shenandoah
110 *
111 * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
112 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
113 * TestAllocObjects
114 */
115 public class TestAllocObjects {
116
117 static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
118
119 static volatile Object sink;
120
121 public static void main(String[] args) throws Exception {
122 long count = TARGET_MB * 1024 * 1024 / 16;
123 for (long c = 0; c < count; c++) {
124 sink = new Object();
125 }
126 }
127
128 }