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test/hotspot/jtreg/gc/shenandoah/TestHeapUncommit.java

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  1 /*
  2  * Copyright (c) 2017, 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  *

 46  *
 47  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 48  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
 49  *      -XX:-ShenandoahDegeneratedGC
 50  *      TestHeapUncommit
 51  */
 52 
 53 /*
 54  * @test id=adaptive
 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 -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 61  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
 62  *      -XX:+ShenandoahVerify
 63  *      TestHeapUncommit
 64  *
 65  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0





 66  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
 67  *      TestHeapUncommit
 68  *
 69  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 70  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
 71  *      TestHeapUncommit
 72  *
 73  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 74  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
 75  *      TestHeapUncommit
 76  *
 77  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 78  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 79  *      TestHeapUncommit













 80  *
 81  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 82  *      -XX:+UseShenandoahGC
 83  *      -XX:-UseTLAB -XX:+ShenandoahVerify
 84  *      TestHeapUncommit




 85  */
 86 
 87 /*
 88  * @test id=default-lp
 89  * @key randomness
 90  * @requires vm.gc.Shenandoah
 91  * @requires vm.bits == "64"
 92  * @library /test/lib
 93  *
 94  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0 -XX:+UseLargePages
 95  *      -XX:+UseShenandoahGC
 96  *      -XX:+ShenandoahVerify
 97  *      TestHeapUncommit
 98  *
 99  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0 -XX:+UseLargePages
100  *      -XX:+UseShenandoahGC

101  *      TestHeapUncommit
102  *
103  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0 -XX:+UseLargePages
104  *      -XX:+UseShenandoahGC
105  *      -XX:-UseTLAB -XX:+ShenandoahVerify
106  *      TestHeapUncommit
107  */
108 
109 import java.util.Random;
110 import jdk.test.lib.Utils;
111 
112 public class TestHeapUncommit {
113 
114     static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
115 
116     static volatile Object sink;
117 
118     public static void main(String[] args) throws Exception {
119         final int min = 0;
120         final int max = 384 * 1024;
121         long count = TARGET_MB * 1024 * 1024 / (16 + 4 * (min + (max - min) / 2));
122 
123         Random r = Utils.getRandomInstance();
124         for (long c = 0; c < count; c++) {
125             sink = new int[min + r.nextInt(max - min)];

  1 /*
  2  * Copyright (c) 2017, 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  *

 47  *
 48  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 49  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
 50  *      -XX:-ShenandoahDegeneratedGC
 51  *      TestHeapUncommit
 52  */
 53 
 54 /*
 55  * @test id=adaptive
 56  * @summary Acceptance tests: collector can withstand allocation
 57  * @key randomness
 58  * @requires vm.gc.Shenandoah
 59  * @library /test/lib
 60  *
 61  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 62  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
 63  *      -XX:+ShenandoahVerify
 64  *      TestHeapUncommit
 65  *
 66  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 67  *      -XX:+UseShenandoahGC
 68  *      -XX:-UseTLAB -XX:+ShenandoahVerify
 69  *      TestHeapUncommit
 70  *
 71  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 72  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
 73  *      TestHeapUncommit
 74  *
 75  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 76  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
 77  *      TestHeapUncommit
 78  *
 79  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 80  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
 81  *      TestHeapUncommit
 82  *
 83  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 84  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 85  *      TestHeapUncommit
 86  */
 87 
 88 /*
 89  * @test id=generational
 90  * @summary Acceptance tests: collector can withstand allocation
 91  * @key randomness
 92  * @requires vm.gc.Shenandoah
 93  * @library /test/lib
 94  *
 95  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
 96  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational
 97  *      -XX:+ShenandoahVerify
 98  *      TestHeapUncommit
 99  *
100  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
101  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational
102  *      -XX:-UseTLAB -XX:+ShenandoahVerify
103  *      TestHeapUncommit
104  *
105  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0
106  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational
107  *      TestHeapUncommit
108  */
109 
110 /*
111  * @test id=default-lp
112  * @key randomness
113  * @requires vm.gc.Shenandoah
114  * @requires vm.bits == "64"
115  * @library /test/lib
116  *
117  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0 -XX:+UseLargePages
118  *      -XX:+UseShenandoahGC
119  *      -XX:+ShenandoahVerify
120  *      TestHeapUncommit
121  *
122  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0 -XX:+UseLargePages
123  *      -XX:+UseShenandoahGC
124  *      -XX:-UseTLAB -XX:+ShenandoahVerify
125  *      TestHeapUncommit
126  *
127  * @run main/othervm -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+ShenandoahUncommit -XX:ShenandoahUncommitDelay=0 -XX:+UseLargePages
128  *      -XX:+UseShenandoahGC

129  *      TestHeapUncommit
130  */
131 
132 import java.util.Random;
133 import jdk.test.lib.Utils;
134 
135 public class TestHeapUncommit {
136 
137     static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
138 
139     static volatile Object sink;
140 
141     public static void main(String[] args) throws Exception {
142         final int min = 0;
143         final int max = 384 * 1024;
144         long count = TARGET_MB * 1024 * 1024 / (16 + 4 * (min + (max - min) / 2));
145 
146         Random r = Utils.getRandomInstance();
147         for (long c = 0; c < count; c++) {
148             sink = new int[min + r.nextInt(max - min)];
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