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  * @key randomness
 29  * @requires vm.gc.Shenandoah
 30  * @library /test/lib
 31  *
 32  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
 33  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
 34  *      -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
 35  *      TestAllocIntArrays
 36  *
 37  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
 38  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
 39  *      -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
 40  *      TestAllocIntArrays
 41  *
 42  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
 43  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
 44  *      -XX:+ShenandoahDegeneratedGC
 45  *      TestAllocIntArrays
 46  *
 47  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
 48  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
 49  *      -XX:-ShenandoahDegeneratedGC
 50  *      TestAllocIntArrays
 51  */
 52 
 53 /*
 54  * @test id=aggressive
 55  * @summary Acceptance tests: collector can withstand allocation
 56  * @key randomness
 57  * @requires vm.gc.Shenandoah
 58  * @library /test/lib
 59  *
 60  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
 61  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 62  *      -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
 63  *      TestAllocIntArrays
 64  *
 65  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
 66  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 67  *      -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
 68  *      TestAllocIntArrays
 69  *
 70  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
 71  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 72  *      -XX:+ShenandoahOOMDuringEvacALot
 73  *      TestAllocIntArrays
 74  *
 75  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
 76  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 77  *      -XX:+ShenandoahAllocFailureALot
 78  *      TestAllocIntArrays
 79  *
 80  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
 81  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 82  *      TestAllocIntArrays
 83  */
 84 
 85 /*
 86  * @test id=adaptive
 87  * @summary Acceptance tests: collector can withstand allocation
 88  * @key randomness
 89  * @requires vm.gc.Shenandoah
 90  * @library /test/lib
 91  *
 92  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
 93  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
 94  *      -XX:+ShenandoahVerify
 95  *      TestAllocIntArrays








 96  *
 97  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
 98  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
 99  *      TestAllocIntArrays




100  */
101 
102 /*
103  * @test id=static
104  * @summary Acceptance tests: collector can withstand allocation
105  * @key randomness
106  * @requires vm.gc.Shenandoah
107  * @library /test/lib
108  *
109  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
110  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
111  *      TestAllocIntArrays
112  */
113 
114 /*
115  * @test id=compact
116  * @summary Acceptance tests: collector can withstand allocation
117  * @key randomness
118  * @requires vm.gc.Shenandoah
119  * @library /test/lib
120  *
121  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
122  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
123  *      TestAllocIntArrays
124  */
125 
126 /*
127  * @test id=no-tlab
128  * @summary Acceptance tests: collector can withstand allocation
129  * @key randomness
130  * @requires vm.gc.Shenandoah
131  * @library /test/lib
132  *
133  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
134  *      -XX:+UseShenandoahGC
135  *      -XX:-UseTLAB -XX:+ShenandoahVerify
136  *      TestAllocIntArrays
137  */
138 
139 /*
140  * @test id=iu-aggressive
141  * @summary Acceptance tests: collector can withstand allocation
142  * @key randomness
143  * @requires vm.gc.Shenandoah
144  * @library /test/lib
145  *
146  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
147  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
148  *      -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
149  *      TestAllocIntArrays
150  *
151  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
152  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
153  *      -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
154  *      TestAllocIntArrays
155  *
156  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
157  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
158  *      -XX:+ShenandoahOOMDuringEvacALot
159  *      TestAllocIntArrays
160  *
161  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
162  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
163  *      -XX:+ShenandoahAllocFailureALot
164  *      TestAllocIntArrays
165  *
166  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
167  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
168  *      TestAllocIntArrays
169  */
170 
171 /*
172  * @test id=iu
173  * @summary Acceptance tests: collector can withstand allocation
174  * @key randomness
175  * @requires vm.gc.Shenandoah
176  * @library /test/lib
177  *
178  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
179  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
180  *      -XX:+ShenandoahVerify
181  *      TestAllocIntArrays
182  *
183  * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
184  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
185  *      TestAllocIntArrays
186  */
187 
188 import java.util.Random;
189 import jdk.test.lib.Utils;
190 
191 public class TestAllocIntArrays {
192 
193     static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
194 
195     static volatile Object sink;
196 
197     public static void main(String[] args) throws Exception {
198         final int min = 0;
199         final int max = 384 * 1024;


200         long count = TARGET_MB * 1024 * 1024 / (16 + 4 * (min + (max - min) / 2));
201 
202         Random r = Utils.getRandomInstance();



203         for (long c = 0; c < count; c++) {
204             sink = new int[min + r.nextInt(max - min)];
205         }
206     }
207 
208 }
--- EOF ---