1 /*
   2  * Copyright (c) 2016, 2018, Red Hat, Inc. All rights reserved.
   3  *
   4  * This code is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 only, as
   6  * published by the Free Software Foundation.
   7  *
   8  * This code is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11  * version 2 for more details (a copy is included in the LICENSE file that
  12  * accompanied this code).
  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 /*
  25  * @test TestAllocObjects
  26  * @summary Acceptance tests: collector can withstand allocation
  27  * @key gc
  28  * @requires vm.gc.Shenandoah & !vm.graal.enabled
  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 TestAllocObjects
  53  * @summary Acceptance tests: collector can withstand allocation
  54  * @key gc
  55  * @requires vm.gc.Shenandoah & !vm.graal.enabled
  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  * @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  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  96  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
  97  *      -XX:+ShenandoahSuspendibleWorkers
  98  *      TestAllocObjects
  99  *
 100  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 101  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
 102  *      TestAllocObjects
 103  *
 104  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 105  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
 106  *      -XX:+ShenandoahSuspendibleWorkers
 107  *      TestAllocObjects
 108  *
 109  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 110  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
 111  *      TestAllocObjects
 112  *
 113  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 114  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
 115  *      -XX:+ShenandoahSuspendibleWorkers
 116  *      TestAllocObjects
 117  */
 118 
 119 /*
 120  * @test TestAllocObjects
 121  * @summary Acceptance tests: collector can withstand allocation
 122  * @key gc
 123  * @requires vm.gc.Shenandoah & !vm.graal.enabled
 124  *
 125  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 126  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive
 127  *      -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
 128  *      TestAllocObjects
 129  *
 130  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 131  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive
 132  *      -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
 133  *      TestAllocObjects
 134  *
 135  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 136  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive
 137  *      -XX:+ShenandoahOOMDuringEvacALot
 138  *      TestAllocObjects
 139  *
 140  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 141  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive
 142  *      -XX:+ShenandoahAllocFailureALot
 143  *      TestAllocObjects
 144  *
 145  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 146  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive
 147  *      TestAllocObjects
 148  *
 149  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 150  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal
 151  *      -XX:+ShenandoahVerify
 152  *      TestAllocObjects
 153  *
 154  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 155  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal
 156  *      TestAllocObjects
 157  *
 158  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 159  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal
 160  *      -XX:+ShenandoahSuspendibleWorkers
 161  *      TestAllocObjects
 162  */
 163 
 164 import java.util.Random;
 165 
 166 public class TestAllocObjects {
 167 
 168     static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
 169 
 170     static volatile Object sink;
 171 
 172     public static void main(String[] args) throws Exception {
 173         long count = TARGET_MB * 1024 * 1024 / 16;
 174         for (long c = 0; c < count; c++) {
 175             sink = new Object();
 176         }
 177     }
 178 
 179 }