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 import java.io.IOException;

    25 

    26 /*

    27  * @test TestGCBasherWithShenandoah

    28  * @key gc

    29  * @key stress

    30  * @requires vm.gc.Shenandoah

    31  * @requires vm.flavor == "server" & !vm.emulatedClient & !vm.graal.enabled

    32  * @summary Stress the Shenandoah GC by trying to make old objects more likely to be garbage than young objects.

    33  *

    34  * @run main/othervm/timeout=200 -Xlog:gc*=info -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=passive      -XX:+ShenandoahVerify -XX:+ShenandoahDegeneratedGC TestGCBasherWithShenandoah 120000

    35  * @run main/othervm/timeout=200 -Xlog:gc*=info -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=passive      -XX:+ShenandoahVerify -XX:-ShenandoahDegeneratedGC TestGCBasherWithShenandoah 120000

    36  *

    37  * @run main/othervm/timeout=200 -Xlog:gc*=info -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive                         -XX:+ShenandoahOOMDuringEvacALot TestGCBasherWithShenandoah 120000

    38  * @run main/othervm/timeout=200 -Xlog:gc*=info -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive                         -XX:+ShenandoahAllocFailureALot  TestGCBasherWithShenandoah 120000

    39  * @run main/othervm/timeout=200 -Xlog:gc*=info -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive                                                          TestGCBasherWithShenandoah 120000

    40  *

    41  * @run main/othervm/timeout=200 -Xlog:gc*=info -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive     -XX:+ShenandoahVerify TestGCBasherWithShenandoah 120000

    42  * @run main/othervm/timeout=200 -Xlog:gc*=info -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=traversal    -XX:+ShenandoahVerify TestGCBasherWithShenandoah 120000

    43  *

    44  * @run main/othervm/timeout=200 -Xlog:gc*=info -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive                           TestGCBasherWithShenandoah 120000

    45  * @run main/othervm/timeout=200 -Xlog:gc*=info -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=traversal                          TestGCBasherWithShenandoah 120000

    46  * @run main/othervm/timeout=200 -Xlog:gc*=info -Xmx1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact                            TestGCBasherWithShenandoah 120000

    47  */

    48 public class TestGCBasherWithShenandoah {

    49     public static void main(String[] args) throws IOException {

    50         TestGCBasher.main(args);

    51     }

    52 }