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  * @bug     4530538
  27  * @summary Basic test of ThreadMXBean.getThreadCpuTime and
  28  *          getCurrentThreadCpuTime.
  29  * @author  Mandy Chung
  30  * @modules java.management
  31  */
  32 
  33 import java.lang.management.*;
  34 
  35 public class ThreadCpuTime {
  36     private static ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
  37     private static boolean testFailed = false;
  38     private static boolean done = false;
  39     private static Object obj = new Object();
  40     private static final int NUM_THREADS = 10;
  41     private static Thread[] threads = new Thread[NUM_THREADS];
  42     private static long[] times = new long[NUM_THREADS];
  43 
  44     // careful about this value
  45     private static final int DELTA = 100;
  46 
  47     public static void main(String[] argv)
  48         throws Exception {
  49         if (!mbean.isCurrentThreadCpuTimeSupported()) {
  50             return;

  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  * @bug     4530538
  27  * @summary Basic test of ThreadMXBean.getThreadCpuTime and
  28  *          getCurrentThreadCpuTime.
  29  * @author  Mandy Chung

  30  */
  31 
  32 import java.lang.management.*;
  33 
  34 public class ThreadCpuTime {
  35     private static ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
  36     private static boolean testFailed = false;
  37     private static boolean done = false;
  38     private static Object obj = new Object();
  39     private static final int NUM_THREADS = 10;
  40     private static Thread[] threads = new Thread[NUM_THREADS];
  41     private static long[] times = new long[NUM_THREADS];
  42 
  43     // careful about this value
  44     private static final int DELTA = 100;
  45 
  46     public static void main(String[] argv)
  47         throws Exception {
  48         if (!mbean.isCurrentThreadCpuTimeSupported()) {
  49             return;