8 *
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 * @library classes
28 * @build test.Empty ClassUnloadCommon
29 * @run main/othervm/timeout=200 FragmentMetaspaceSimple
30 */
31
32 import java.util.ArrayList;
33
34 /**
35 * Test that tries to fragment the native memory used by class loaders.
36 * Keeps every other class loader alive in order to fragment the memory space
37 * used to store classes and meta data. Since the memory is probably allocated in
38 * chunks per class loader this will cause a lot of fragmentation if not handled
39 * properly since every other chunk will be unused.
40 */
41 public class FragmentMetaspaceSimple {
42 public static void main(String... args) {
43 runSimple(Long.valueOf(System.getProperty("time", "80000")));
44 System.gc();
45 }
46
47 private static void runSimple(long time) {
48 long startTime = System.currentTimeMillis();
|
8 *
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 * @library classes
28 * @build com.oracle.java.testlibrary.* test.Empty ClassUnloadCommon
29 * @run main/othervm/timeout=200 FragmentMetaspaceSimple
30 */
31
32 import java.util.ArrayList;
33
34 /**
35 * Test that tries to fragment the native memory used by class loaders.
36 * Keeps every other class loader alive in order to fragment the memory space
37 * used to store classes and meta data. Since the memory is probably allocated in
38 * chunks per class loader this will cause a lot of fragmentation if not handled
39 * properly since every other chunk will be unused.
40 */
41 public class FragmentMetaspaceSimple {
42 public static void main(String... args) {
43 runSimple(Long.valueOf(System.getProperty("time", "80000")));
44 System.gc();
45 }
46
47 private static void runSimple(long time) {
48 long startTime = System.currentTimeMillis();
|