9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @library /runtime/testlibrary
  27  * @modules java.base/jdk.internal.misc
  28  * @modules java.compiler
  29  * @build GeneratedClassLoader
  30  * @run main/othervm/timeout=200 -Xmx300m FragmentMetaspace
  31  */
  32 
  33 import java.io.IOException;
  34 
  35 /**
  36  * Test that tries to fragment the native memory used by class loaders.
  37  * This test creates class loaders that load classes of increasing size for every
  38  * iteration. By increasing the size of the class meta data needed for every iteration
  39  * we stress the subsystem for allocating native memory for meta data.
  40  */
  41 public class FragmentMetaspace {
  42 
  43     public static Class<?> c;
  44 
  45     public static void main(String... args) {
  46         runGrowing(Long.valueOf(System.getProperty("time", "80000")),
  47             Integer.valueOf(System.getProperty("iterations", "200")));
  48         // try to clean up and unload classes to decrease
  49         // class verification time in debug vm

   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @library /runtime/testlibrary
  27  * @modules java.base/jdk.internal.misc
  28  * @modules java.compiler

  29  * @run main/othervm/timeout=200 -Xmx300m FragmentMetaspace
  30  */
  31 
  32 import java.io.IOException;
  33 
  34 /**
  35  * Test that tries to fragment the native memory used by class loaders.
  36  * This test creates class loaders that load classes of increasing size for every
  37  * iteration. By increasing the size of the class meta data needed for every iteration
  38  * we stress the subsystem for allocating native memory for meta data.
  39  */
  40 public class FragmentMetaspace {
  41 
  42     public static Class<?> c;
  43 
  44     public static void main(String... args) {
  45         runGrowing(Long.valueOf(System.getProperty("time", "80000")),
  46             Integer.valueOf(System.getProperty("iterations", "200")));
  47         // try to clean up and unload classes to decrease
  48         // class verification time in debug vm