15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jfr.event.oldobject;
  27 
  28 import java.util.ArrayList;
  29 import java.util.List;
  30 
  31 import jdk.jfr.Recording;
  32 import jdk.jfr.internal.test.WhiteBox;
  33 import jdk.test.lib.jfr.EventNames;
  34 
  35 /*
  36  * @test
  37  * @key jfr

  38  * @requires vm.gc == "null"
  39  * @library /test/lib /test/jdk
  40  * @modules jdk.jfr/jdk.jfr.internal.test
  41  * @run main/othervm -XX:TLABSize=2k jdk.jfr.event.oldobject.TestHeapShallow
  42  */
  43 public class TestHeapShallow {
  44     private final static long LARGE_OBJECT_FACTOR = 509; // prime number
  45 
  46     static class LeakObject {
  47         Object object = null;
  48 
  49         public LeakObject(Object object) {
  50             this.object = object;
  51         }
  52     }
  53 
  54     public static ArrayList<LeakObject> leak =  new ArrayList<>(OldObjects.MIN_SIZE);
  55 
  56     public static void main(String[] args) throws Exception {
  57         WhiteBox.setWriteAllObjectSamples(true);

  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jfr.event.oldobject;
  27 
  28 import java.util.ArrayList;
  29 import java.util.List;
  30 
  31 import jdk.jfr.Recording;
  32 import jdk.jfr.internal.test.WhiteBox;
  33 import jdk.test.lib.jfr.EventNames;
  34 
  35 /**
  36  * @test
  37  * @key jfr
  38  * @requires vm.hasJFR
  39  * @requires vm.gc == "null"
  40  * @library /test/lib /test/jdk
  41  * @modules jdk.jfr/jdk.jfr.internal.test
  42  * @run main/othervm -XX:TLABSize=2k jdk.jfr.event.oldobject.TestHeapShallow
  43  */
  44 public class TestHeapShallow {
  45     private final static long LARGE_OBJECT_FACTOR = 509; // prime number
  46 
  47     static class LeakObject {
  48         Object object = null;
  49 
  50         public LeakObject(Object object) {
  51             this.object = object;
  52         }
  53     }
  54 
  55     public static ArrayList<LeakObject> leak =  new ArrayList<>(OldObjects.MIN_SIZE);
  56 
  57     public static void main(String[] args) throws Exception {
  58         WhiteBox.setWriteAllObjectSamples(true);