< prev index next >

test/hotspot/jtreg/gc/shenandoah/mxbeans/TestMemoryMXBeans.java

Print this page




  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 /**
  25  * @test TestMemoryMXBeans
  26  * @summary Test JMX memory beans
  27  * @key gc
  28  * @requires vm.gc.Shenandoah
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC          -Xmx1g TestMemoryMXBeans   -1 1024
  32  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g   -Xmx1g TestMemoryMXBeans 1024 1024
  33  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms128m -Xmx1g TestMemoryMXBeans  128 1024
  34  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g   -Xmx1g -XX:ShenandoahUncommitDelay=0 TestMemoryMXBeans 1024 1024
  35  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms128m -Xmx1g -XX:ShenandoahUncommitDelay=0 TestMemoryMXBeans  128 1024
  36  */
  37 
  38 import java.lang.management.*;
  39 import java.util.*;
  40 
  41 public class TestMemoryMXBeans {
  42 
  43     public static void main(String[] args) throws Exception {
  44         if (args.length < 2) {
  45             throw new IllegalStateException("Should provide expected heap sizes");
  46         }
  47 
  48         long initSize = 1L * Integer.parseInt(args[0]) * 1024 * 1024;
  49         long maxSize  = 1L * Integer.parseInt(args[1]) * 1024 * 1024;
  50 
  51         // wait for GC to uncommit
  52         Thread.sleep(1000);
  53 
  54         testMemoryBean(initSize, maxSize);
  55     }
  56 
  57     public static void testMemoryBean(long initSize, long maxSize) {
  58         MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
  59         long heapInit = memoryMXBean.getHeapMemoryUsage().getInit();
  60         long heapCommitted = memoryMXBean.getHeapMemoryUsage().getCommitted();
  61         long heapMax = memoryMXBean.getHeapMemoryUsage().getMax();
  62         long nonHeapInit = memoryMXBean.getNonHeapMemoryUsage().getInit();
  63         long nonHeapCommitted = memoryMXBean.getNonHeapMemoryUsage().getCommitted();
  64         long nonHeapMax = memoryMXBean.getNonHeapMemoryUsage().getMax();
  65 
  66         if (initSize > 0 && heapInit != initSize) {
  67             throw new IllegalStateException("Init heap size is wrong: " + heapInit + " vs " + initSize);
  68         }
  69         if (maxSize > 0 && heapMax != maxSize) {
  70             throw new IllegalStateException("Max heap size is wrong: " + heapMax + " vs " + maxSize);
  71         }
  72         if (initSize > 0 && maxSize > 0 && initSize != maxSize && heapCommitted == heapMax) {
  73             throw new IllegalStateException("Committed heap size is max: " + heapCommitted +
  74                                             " (init: " + initSize + ", max: " + maxSize + ")");
  75         }
  76         if (initSize > 0 && maxSize > 0 && initSize == maxSize && heapCommitted != heapMax) {
  77             throw new IllegalStateException("Committed heap size is not max: " + heapCommitted +
  78                                             " (init: " + initSize + ", max: " + maxSize + ")");
  79         }
  80         if (initSize > 0 && heapCommitted < initSize) {
  81             throw new IllegalStateException("Committed heap size is below min: " + heapCommitted +
  82                                             " (init: " + initSize + ", max: " + maxSize + ")");
  83         }
  84     }
  85 }


  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 /**
  25  * @test TestMemoryMXBeans
  26  * @summary Test JMX memory beans
  27  * @key gc
  28  * @requires vm.gc.Shenandoah
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC          -Xmx1g TestMemoryMXBeans   -1 1024
  32  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g   -Xmx1g TestMemoryMXBeans 1024 1024
  33  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms128m -Xmx1g TestMemoryMXBeans  128 1024


  34  */
  35 
  36 import java.lang.management.*;
  37 import java.util.*;
  38 
  39 public class TestMemoryMXBeans {
  40 
  41     public static void main(String[] args) throws Exception {
  42         if (args.length < 2) {
  43             throw new IllegalStateException("Should provide expected heap sizes");
  44         }
  45 
  46         long initSize = 1L * Integer.parseInt(args[0]) * 1024 * 1024;
  47         long maxSize  = 1L * Integer.parseInt(args[1]) * 1024 * 1024;
  48 



  49         testMemoryBean(initSize, maxSize);
  50     }
  51 
  52     public static void testMemoryBean(long initSize, long maxSize) {
  53         MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
  54         long heapInit = memoryMXBean.getHeapMemoryUsage().getInit();
  55         long heapCommitted = memoryMXBean.getHeapMemoryUsage().getCommitted();
  56         long heapMax = memoryMXBean.getHeapMemoryUsage().getMax();
  57         long nonHeapInit = memoryMXBean.getNonHeapMemoryUsage().getInit();
  58         long nonHeapCommitted = memoryMXBean.getNonHeapMemoryUsage().getCommitted();
  59         long nonHeapMax = memoryMXBean.getNonHeapMemoryUsage().getMax();
  60 
  61         if (initSize > 0 && heapInit != initSize) {
  62             throw new IllegalStateException("Init heap size is wrong: " + heapInit + " vs " + initSize);
  63         }
  64         if (maxSize > 0 && heapMax != maxSize) {
  65             throw new IllegalStateException("Max heap size is wrong: " + heapMax + " vs " + maxSize);
  66         }
  67         if (initSize > 0 && maxSize > 0 && initSize != maxSize && heapCommitted == heapMax) {
  68             throw new IllegalStateException("Init committed heap size is wrong: " + heapCommitted +








  69                                             " (init: " + initSize + ", max: " + maxSize + ")");
  70         }
  71     }
  72 }
< prev index next >