71 lines
2.7 KiB
Java
71 lines
2.7 KiB
Java
/*
|
|
* Copyright (c) 2016, 2018, Red Hat, Inc. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* 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).
|
|
*
|
|
* 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.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @summary Shenandoah crashes with -XX:ObjectAlignmentInBytes=16
|
|
* @key randomness
|
|
* @requires vm.gc.Shenandoah
|
|
* @requires vm.bits == "64"
|
|
* @library /test/lib
|
|
*
|
|
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -Xint TestLargeObjectAlignment
|
|
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -XX:-TieredCompilation TestLargeObjectAlignment
|
|
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -XX:TieredStopAtLevel=1 TestLargeObjectAlignment
|
|
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ObjectAlignmentInBytes=16 -XX:TieredStopAtLevel=4 TestLargeObjectAlignment
|
|
*/
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
import java.util.Random;
|
|
import jdk.test.lib.Utils;
|
|
|
|
public class TestLargeObjectAlignment {
|
|
|
|
static final int SLABS_COUNT = Integer.getInteger("slabs", 10000);
|
|
static final int NODE_COUNT = Integer.getInteger("nodes", 10000);
|
|
static final long TIME_NS = 1000L * 1000L * Integer.getInteger("timeMs", 5000);
|
|
|
|
static Object[] objects;
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
objects = new Object[SLABS_COUNT];
|
|
|
|
long start = System.nanoTime();
|
|
Random rng = Utils.getRandomInstance();
|
|
while (System.nanoTime() - start < TIME_NS) {
|
|
objects[rng.nextInt(SLABS_COUNT)] = createSome();
|
|
}
|
|
}
|
|
|
|
public static Object createSome() {
|
|
List<Integer> result = new ArrayList<Integer>();
|
|
for (int c = 0; c < NODE_COUNT; c++) {
|
|
result.add(new Integer(c));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
}
|