TestLargePagesWithSmallHeap.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 * published by the Free Software Foundation.
 *
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 * 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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 * You should have received a copy of the GNU General Public License version
 * 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 id=default
 * @requires vm.gc.Shenandoah
 * @bug 8268127
 * @summary when heap is too small for regions to align to large page size, should fallback to regular page size
 *
 * @run main/othervm -XX:+UseShenandoahGC -Xms17m -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC         -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC -Xms17m         TestLargePagesWithSmallHeap
 *
 * @run main/othervm -XX:+UseShenandoahGC -Xms17m -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC         -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC -Xms17m         TestLargePagesWithSmallHeap
 */

/*
 * @test id=lp
 * @requires vm.gc.Shenandoah
 *
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages -Xms17m -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages         -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages -Xms17m         TestLargePagesWithSmallHeap
 *
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages -Xms17m -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages         -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages -Xms17m         TestLargePagesWithSmallHeap
 */

/*
 * @test id=thp
 * @requires vm.gc.Shenandoah
 * @requires os.family == "linux"
 *
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages -Xms17m -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages         -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages -Xms17m         TestLargePagesWithSmallHeap
 *
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages -Xms17m -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages         -Xmx17m TestLargePagesWithSmallHeap
 * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages -Xms17m         TestLargePagesWithSmallHeap
 */

public class TestLargePagesWithSmallHeap {
    public static void main(String[] args) {
        // Everything is checked on initialization
    }
}