jdk-24/test/hotspot/jtreg/gc/arguments/TestAlignmentToUseLargePages.java

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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
  }
}