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test/gc/g1/TestSummarizeRSetStatsTools.java

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  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  * Common helpers for TestSummarizeRSetStats* tests
  26  */
  27 
  28 import com.sun.management.HotSpotDiagnosticMXBean;
  29 import com.sun.management.VMOption;
  30 
  31 import com.oracle.java.testlibrary.*;
  32 import java.lang.management.ManagementFactory;
  33 import java.util.ArrayList;
  34 import java.util.Arrays;
  35 
  36 class VerifySummaryOutput {
  37     // 4M size, both are directly allocated into the old gen
  38     static Object[] largeObject1 = new Object[1024 * 1024];
  39     static Object[] largeObject2 = new Object[1024 * 1024];
  40 
  41     static int[] temp;
  42 
  43     public static void main(String[] args) {
  44         // create some cross-references between these objects
  45         for (int i = 0; i < largeObject1.length; i++) {
  46             largeObject1[i] = largeObject2;
  47         }
  48 
  49         for (int i = 0; i < largeObject2.length; i++) {
  50             largeObject2[i] = largeObject1;
  51         }




  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  * Common helpers for TestSummarizeRSetStats* tests
  26  */
  27 
  28 import com.sun.management.HotSpotDiagnosticMXBean;
  29 import com.sun.management.VMOption;
  30 
  31 import jdk.test.lib.*;
  32 import java.lang.management.ManagementFactory;
  33 import java.util.ArrayList;
  34 import java.util.Arrays;
  35 
  36 class VerifySummaryOutput {
  37     // 4M size, both are directly allocated into the old gen
  38     static Object[] largeObject1 = new Object[1024 * 1024];
  39     static Object[] largeObject2 = new Object[1024 * 1024];
  40 
  41     static int[] temp;
  42 
  43     public static void main(String[] args) {
  44         // create some cross-references between these objects
  45         for (int i = 0; i < largeObject1.length; i++) {
  46             largeObject1[i] = largeObject2;
  47         }
  48 
  49         for (int i = 0; i < largeObject2.length; i++) {
  50             largeObject2[i] = largeObject1;
  51         }


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