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test/hotspot/jtreg/gc/z/TestMemoryMXBean.java

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rev 59879 : [mq]: 8249000


   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   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 TestMemoryMXBean
  26  * @requires vm.gc.Z & !vm.graal.enabled
  27  * @summary Test ZGC heap memory MXBean
  28  * @modules java.management
  29  * @run main/othervm -XX:+UseZGC -Xms128M -Xmx256M -Xlog:gc* TestMemoryMXBean 128 256
  30  * @run main/othervm -XX:+UseZGC -Xms256M -Xmx256M -Xlog:gc* TestMemoryMXBean 256 256
  31  */
  32 
  33 import java.lang.management.ManagementFactory;
  34 
  35 public class TestMemoryMXBean {
  36     public static void main(String[] args) throws Exception {
  37         final long M = 1024 * 1024;
  38         final long expectedInitialCapacity = Long.parseLong(args[0]) * M;
  39         final long expectedMaxCapacity = Long.parseLong(args[1]) * M;
  40         final var memoryUsage = ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
  41         final long initialCapacity = memoryUsage.getInit();
  42         final long capacity = memoryUsage.getCommitted();
  43         final long maxCapacity = memoryUsage.getMax();
  44 
  45         System.out.println("expectedInitialCapacity: " + expectedInitialCapacity);
  46         System.out.println("    expectedMaxCapacity: " + expectedMaxCapacity);


   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   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 TestMemoryMXBean
  26  * @requires vm.gc.Z
  27  * @summary Test ZGC heap memory MXBean
  28  * @modules java.management
  29  * @run main/othervm -XX:+UseZGC -Xms128M -Xmx256M -Xlog:gc* TestMemoryMXBean 128 256
  30  * @run main/othervm -XX:+UseZGC -Xms256M -Xmx256M -Xlog:gc* TestMemoryMXBean 256 256
  31  */
  32 
  33 import java.lang.management.ManagementFactory;
  34 
  35 public class TestMemoryMXBean {
  36     public static void main(String[] args) throws Exception {
  37         final long M = 1024 * 1024;
  38         final long expectedInitialCapacity = Long.parseLong(args[0]) * M;
  39         final long expectedMaxCapacity = Long.parseLong(args[1]) * M;
  40         final var memoryUsage = ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
  41         final long initialCapacity = memoryUsage.getInit();
  42         final long capacity = memoryUsage.getCommitted();
  43         final long maxCapacity = memoryUsage.getMax();
  44 
  45         System.out.println("expectedInitialCapacity: " + expectedInitialCapacity);
  46         System.out.println("    expectedMaxCapacity: " + expectedMaxCapacity);
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