test/hotspot/jtreg/gc/arguments/TestAlignmentToUseLargePages.java
author rkennke
Mon, 10 Dec 2018 15:47:44 +0100
changeset 52925 9c18c9d839d3
parent 50455 2b73cce96dce
child 53523 4c5184c56dc2
permissions -rw-r--r--
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental) Reviewed-by: kvn, roland, shade, coleenp, lmesnik, pliden, jgeorge, ihse, erikj Contributed-by: Christine Flood <chf@redhat.com>, Aleksey Shipilev <shade@redhat.com>, Roland Westrelin <rwestrel@redhat.com>, Zhenygu Gu <zgu@redhat.com>, Andrew Haley <aph@redhat.com>, Andrew Dinn <adinn@redhat.com>, Mario Torre <mtorre@redhat.com>, Roman Kennke <rkennke@redhat.com>

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/**
 * @test TestAlignmentToUseLargePages
 * @key gc regression
 * @summary All parallel GC variants may use large pages without the requirement that the
 * heap alignment is large page aligned. Other collectors also need to start up with odd sized heaps.
 * @bug 8024396
 * @requires vm.gc=="null"
 * @run main/othervm -Xms71M -Xmx91M -XX:+UseParallelGC -XX:-UseParallelOldGC -XX:+UseLargePages TestAlignmentToUseLargePages
 * @run main/othervm -Xms71M -Xmx91M -XX:+UseParallelGC -XX:-UseParallelOldGC -XX:-UseLargePages TestAlignmentToUseLargePages
 * @run main/othervm -Xms71M -Xmx91M -XX:+UseParallelGC -XX:+UseParallelOldGC -XX:+UseLargePages TestAlignmentToUseLargePages
 * @run main/othervm -Xms71M -Xmx91M -XX:+UseParallelGC -XX:+UseParallelOldGC -XX:-UseLargePages TestAlignmentToUseLargePages
 * @run main/othervm -Xms71M -Xmx91M -XX:+UseSerialGC -XX:+UseLargePages TestAlignmentToUseLargePages
 * @run main/othervm -Xms71M -Xmx91M -XX:+UseSerialGC -XX:-UseLargePages TestAlignmentToUseLargePages
 * @run main/othervm -Xms71M -Xmx91M -XX:+UseG1GC -XX:+UseLargePages TestAlignmentToUseLargePages
 * @run main/othervm -Xms71M -Xmx91M -XX:+UseG1GC -XX:-UseLargePages TestAlignmentToUseLargePages
 */

/**
 * @test TestAlignmentToUseLargePagesCMS
 * @key gc regression
 * @bug 8024396
 * @comment Graal does not support CMS
 * @requires vm.gc=="null" & !vm.graal.enabled
 * @run main/othervm -Xms71M -Xmx91M -XX:+UseConcMarkSweepGC -XX:+UseLargePages TestAlignmentToUseLargePages
 * @run main/othervm -Xms71M -Xmx91M -XX:+UseConcMarkSweepGC -XX:-UseLargePages TestAlignmentToUseLargePages
 */

/**
 * @test TestAlignmentToUseLargePagesShenandoah
 * @key gc
 * @bug 8024396
 * @comment Graal does not support Shenandoah
 * @requires vm.gc.Shenandoah & !vm.graal.enabled
 * @run main/othervm -Xms71M -Xmx91M -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseLargePages TestAlignmentToUseLargePages
 * @run main/othervm -Xms71M -Xmx91M -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:-UseLargePages TestAlignmentToUseLargePages
 */

public class TestAlignmentToUseLargePages {
  public static void main(String args[]) throws Exception {
    // nothing to do
  }
}