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  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 81  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 82  *      -XX:+ShenandoahSuspendibleWorkers
 83  *      TestAllocObjects
 84  *
 85  */
 86 
 87 /*
 88  * @test id=adaptive
 89  * @summary Acceptance tests: collector can withstand allocation
 90  * @requires vm.gc.Shenandoah
 91  *
 92  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 93  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
 94  *      -XX:+ShenandoahVerify
 95  *      TestAllocObjects
 96  *
 97  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 98  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
 99  *      TestAllocObjects
100  *
101  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
102  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
103  *      -XX:+ShenandoahSuspendibleWorkers
104  *      TestAllocObjects
105  */
106 
107 /*
108  * @test id=static
109  * @summary Acceptance tests: collector can withstand allocation
110  * @requires vm.gc.Shenandoah
111  *
112  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
113  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
114  *      TestAllocObjects
115  *
116  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
117  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
118  *      -XX:+ShenandoahSuspendibleWorkers
119  *      TestAllocObjects
120  */
121 
122 /*
123  * @test id=compact
124  * @summary Acceptance tests: collector can withstand allocation
125  * @requires vm.gc.Shenandoah
126  *
127  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
128  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
129  *      TestAllocObjects
130  *
131  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
132  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
133  *      -XX:+ShenandoahSuspendibleWorkers
134  *      TestAllocObjects
135  */
136 
137 /*
138  * @test id=iu-aggressive
139  * @summary Acceptance tests: collector can withstand allocation
140  * @requires vm.gc.Shenandoah
141  *
142  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
143  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
144  *      -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
145  *      TestAllocObjects
146  *
147  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
148  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
149  *      -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
150  *      TestAllocObjects
151  *
152  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
153  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
154  *      -XX:+ShenandoahOOMDuringEvacALot
155  *      TestAllocObjects
156  *
157  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
158  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
159  *      -XX:+ShenandoahAllocFailureALot
160  *      TestAllocObjects
161  *
162  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
163  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
164  *      TestAllocObjects
165  */
166 
167 /*
168  * @test id=iu
169  * @summary Acceptance tests: collector can withstand allocation
170  * @requires vm.gc.Shenandoah
171  *
172  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
173  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
174  *      -XX:+ShenandoahVerify
175  *      TestAllocObjects
176  *
177  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
178  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
179  *      TestAllocObjects
180  *
181  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
182  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
183  *      -XX:+ShenandoahSuspendibleWorkers
184  *      TestAllocObjects
185  */
186 
187 public class TestAllocObjects {
188 
189     static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
190 
191     static volatile Object sink;
192 
193     public static void main(String[] args) throws Exception {
194         long count = TARGET_MB * 1024 * 1024 / 16;
195         for (long c = 0; c < count; c++) {
196             sink = new Object();
197         }
198     }
199 
200 }