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 id=passive
 28  * @summary Acceptance tests: collector can withstand allocation
 29  * @requires vm.gc.Shenandoah
 30  *
 31  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 32  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
 33  *      -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
 34  *      TestAllocObjects
 35  *
 36  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 37  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
 38  *      -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
 39  *      TestAllocObjects
 40  *
 41  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 42  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
 43  *      -XX:+ShenandoahDegeneratedGC
 44  *      TestAllocObjects
 45  *
 46  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 47  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
 48  *      -XX:-ShenandoahDegeneratedGC
 49  *      TestAllocObjects
 50  */
 51 
 52 /*
 53  * @test id=aggressive
 54  * @summary Acceptance tests: collector can withstand allocation
 55  * @requires vm.gc.Shenandoah
 56  *
 57  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 58  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 59  *      -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
 60  *      TestAllocObjects
 61  *
 62  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 63  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 64  *      -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
 65  *      TestAllocObjects
 66  *
 67  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 68  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 69  *      -XX:+ShenandoahOOMDuringEvacALot
 70  *      TestAllocObjects
 71  *
 72  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 73  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 74  *      -XX:+ShenandoahAllocFailureALot
 75  *      TestAllocObjects
 76  *
 77  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 78  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 79  *      TestAllocObjects
 80  *
 81  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 82  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 83  *      -XX:+ShenandoahSuspendibleWorkers
 84  *      TestAllocObjects
 85  *
 86  */
 87 
 88 /*
 89  * @test id=adaptive
 90  * @summary Acceptance tests: collector can withstand allocation
 91  * @requires vm.gc.Shenandoah
 92  *
 93  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 94  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
 95  *      -XX:+ShenandoahVerify
 96  *      TestAllocObjects
 97  *
 98  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 99  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
100  *      TestAllocObjects
101  *
102  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
103  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
104  *      -XX:+ShenandoahSuspendibleWorkers
105  *      TestAllocObjects
106  */
107 
108 /*
109  * @test id=generational
110  * @summary Acceptance tests: collector can withstand allocation
111  * @requires vm.gc.Shenandoah
112  *
113  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
114  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational
115  *      -XX:+ShenandoahVerify
116  *      TestAllocObjects
117  *
118  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
119  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational
120  *      TestAllocObjects
121  *
122  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
123  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational
124  *      -XX:+ShenandoahSuspendibleWorkers
125  *      TestAllocObjects
126  */
127 
128 /*
129  * @test id=static
130  * @summary Acceptance tests: collector can withstand allocation
131  * @requires vm.gc.Shenandoah
132  *
133  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
134  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
135  *      TestAllocObjects
136  *
137  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
138  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
139  *      -XX:+ShenandoahSuspendibleWorkers
140  *      TestAllocObjects
141  */
142 
143 /*
144  * @test id=compact
145  * @summary Acceptance tests: collector can withstand allocation
146  * @requires vm.gc.Shenandoah
147  *
148  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
149  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
150  *      TestAllocObjects
151  *
152  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
153  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
154  *      -XX:+ShenandoahSuspendibleWorkers
155  *      TestAllocObjects
156  */
157 
158 /*
159  * @test id=iu-aggressive
160  * @summary Acceptance tests: collector can withstand allocation
161  * @requires vm.gc.Shenandoah
162  *
163  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
164  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
165  *      -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
166  *      TestAllocObjects
167  *
168  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
169  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
170  *      -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
171  *      TestAllocObjects
172  *
173  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
174  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
175  *      -XX:+ShenandoahOOMDuringEvacALot
176  *      TestAllocObjects
177  *
178  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
179  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
180  *      -XX:+ShenandoahAllocFailureALot
181  *      TestAllocObjects
182  *
183  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
184  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
185  *      TestAllocObjects
186  */
187 
188 /*
189  * @test id=iu
190  * @summary Acceptance tests: collector can withstand allocation
191  * @requires vm.gc.Shenandoah
192  *
193  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
194  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
195  *      -XX:+ShenandoahVerify
196  *      TestAllocObjects
197  *
198  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
199  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
200  *      TestAllocObjects
201  *
202  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
203  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
204  *      -XX:+ShenandoahSuspendibleWorkers
205  *      TestAllocObjects
206  */
207 
208 public class TestAllocObjects {
209 
210     static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
211 
212     static volatile Object sink;
213 
214     public static void main(String[] args) throws Exception {
215         long count = TARGET_MB * 1024 * 1024 / 16;
216         for (long c = 0; c < count; c++) {
217             sink = new Object();
218         }
219     }
220 
221 }