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  *
  29  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  30  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
  31  *      -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify
  32  *      TestAllocObjects
  33  *
  34  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  35  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
  36  *      -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
  37  *      TestAllocObjects
  38  *
  39  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  40  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
  41  *      -XX:+ShenandoahDegeneratedGC
  42  *      TestAllocObjects
  43  *
  44  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  45  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
  46  *      -XX:-ShenandoahDegeneratedGC
  47  *      TestAllocObjects
  48  */
  49 
  50 /*
  51  * @test TestAllocObjects
  52  * @summary Acceptance tests: collector can withstand allocation
  53  * @key gc
  54  *
  55  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  56  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
  57  *      -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
  58  *      TestAllocObjects
  59  *
  60  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  61  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
  62  *      -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
  63  *      TestAllocObjects
  64  *
  65  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  66  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
  67  *      -XX:+ShenandoahOOMDuringEvacALot
  68  *      TestAllocObjects
  69  *
  70  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  71  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
  72  *      -XX:+ShenandoahAllocFailureALot
  73  *      TestAllocObjects
  74  *
  75  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  76  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
  77  *      TestAllocObjects
  78  *
  79  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  80  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
  81  *      -XX:+ShenandoahVerify
  82  *      TestAllocObjects
  83  *
  84  */
  85 
  86 /*
  87  * @test TestAllocObjects
  88  * @summary Acceptance tests: collector can withstand allocation
  89  * @key gc
  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=static
  97  *      TestAllocObjects
  98  */
  99 
 100 /*
 101  * @test TestAllocObjects
 102  * @summary Acceptance tests: collector can withstand allocation
 103  * @key gc
 104  *
 105  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 106  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
 107  *      TestAllocObjects
 108  */
 109 
 110 /*
 111  * @test TestAllocObjects
 112  * @summary Acceptance tests: collector can withstand allocation
 113  * @key gc
 114  *
 115  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 116  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
 117  *      -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
 118  *      TestAllocObjects
 119  */
 120 
 121 /*
 122  * @test TestAllocObjects
 123  * @summary Acceptance tests: collector can withstand allocation
 124  * @key gc
 125  *
 126  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 127  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
 128  *      -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
 129  *      TestAllocObjects
 130  *
 131  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 132  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
 133  *      -XX:+ShenandoahOOMDuringEvacALot
 134  *      TestAllocObjects
 135  *
 136  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 137  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
 138  *      -XX:+ShenandoahAllocFailureALot
 139  *      TestAllocObjects
 140  *
 141  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 142  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
 143  *      TestAllocObjects
 144  */
 145 
 146 /*
 147  * @test TestAllocObjects
 148  * @summary Acceptance tests: collector can withstand allocation
 149  * @key gc
 150  *
 151  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 152  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
 153  *      -XX:+ShenandoahVerify
 154  *      TestAllocObjects
 155  *
 156  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 157  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
 158  *      TestAllocObjects
 159  */
 160 
 161 import java.util.Random;
 162 
 163 public class TestAllocObjects {
 164 
 165     static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
 166 
 167     static volatile Object sink;
 168 
 169     public static void main(String[] args) throws Exception {
 170         long count = TARGET_MB * 1024 * 1024 / 16;
 171         for (long c = 0; c < count; c++) {
 172             sink = new Object();
 173         }
 174     }
 175 
 176 }