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  * @summary Stress test for malloc tracking
  27  * @key nmt jcmd stress
  28  * @library /testlibrary /testlibrary/whitebox
  29  * @build MallocStressTest
  30  * @ignore - This test is disabled since it will stress NMT and timeout during normal testing
  31  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  32  * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocStressTest
  33  */
  34 
  35 import java.util.concurrent.atomic.AtomicInteger;
  36 import java.util.ArrayList;
  37 import java.util.List;
  38 import java.util.Random;
  39 import com.oracle.java.testlibrary.*;
  40 import sun.hotspot.WhiteBox;
  41 
  42 public class MallocStressTest {
  43     private static int K = 1024;
  44 
  45     // The stress test runs in three phases:
  46     // 1. alloc: A lot of malloc with fewer free, which simulates a burst memory allocation
  47     //    that is usually seen during startup or class loading.
  48     // 2. pause: Pause the test to check accuracy of native memory tracking
  49     // 3. release: Release all malloc'd memory and check native memory tracking result.
  50     public enum TestPhase {
  51         alloc,
  52         pause,
  53         release
  54     };
  55 
  56     static TestPhase phase = TestPhase.alloc;
  57 
  58     // malloc'd memory
  59     static ArrayList<MallocMemory>  mallocd_memory = new ArrayList<MallocMemory>();
  60     static long                     mallocd_total  = 0;

   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  * @summary Stress test for malloc tracking
  27  * @key nmt jcmd stress
  28  * @library /testlibrary /../../test/lib
  29  * @build MallocStressTest
  30  * @ignore - This test is disabled since it will stress NMT and timeout during normal testing
  31  * @run main ClassFileInstaller jdk.testlib.WhiteBox
  32  * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocStressTest
  33  */
  34 
  35 import java.util.concurrent.atomic.AtomicInteger;
  36 import java.util.ArrayList;
  37 import java.util.List;
  38 import java.util.Random;
  39 import com.oracle.java.testlibrary.*;
  40 import jdk.testlib.WhiteBox;
  41 
  42 public class MallocStressTest {
  43     private static int K = 1024;
  44 
  45     // The stress test runs in three phases:
  46     // 1. alloc: A lot of malloc with fewer free, which simulates a burst memory allocation
  47     //    that is usually seen during startup or class loading.
  48     // 2. pause: Pause the test to check accuracy of native memory tracking
  49     // 3. release: Release all malloc'd memory and check native memory tracking result.
  50     public enum TestPhase {
  51         alloc,
  52         pause,
  53         release
  54     };
  55 
  56     static TestPhase phase = TestPhase.alloc;
  57 
  58     // malloc'd memory
  59     static ArrayList<MallocMemory>  mallocd_memory = new ArrayList<MallocMemory>();
  60     static long                     mallocd_total  = 0;