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 import jdk.jfr.Event;
  24 import jdk.jfr.Description;
  25 import jdk.jfr.Label;
  26 
  27 
  28 // This class generates simple event in a loop
  29 // for a specified time.
  30 // Pass the time in seconds as a parameter.
  31 public class EventGeneratorLoop {

  32 
  33     @Label("SimpleEvent")
  34     @Description("Simple custom event")
  35     static class SimpleEvent extends Event {
  36         @Label("Message")
  37         String msg;
  38 
  39         @Label("Count")
  40         int count;
  41     }
  42 
  43 
  44     public static void main(String[] args) throws Exception {
  45         if ((args.length < 1) || (args[0] == null)) {
  46             throw new IllegalArgumentException("Expecting one argument: time to run (seconds)");
  47         }
  48         int howLong = Integer.parseInt(args[0]);
  49 


  50         for (int i=0; i < howLong; i++) {
  51             SimpleEvent ev = new SimpleEvent();
  52             ev.msg = "Hello";
  53             ev.count = i;
  54             ev.commit();
  55 
  56             try { Thread.sleep(1000); } catch (InterruptedException e) {}
  57             System.out.print(".");
  58         }
  59     }

  60 }

   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 import jdk.jfr.Event;
  24 import jdk.jfr.Description;
  25 import jdk.jfr.Label;
  26 
  27 
  28 // This class generates simple event in a loop for a specified time.


  29 public class EventGeneratorLoop {
  30     public static final String MAIN_METHOD_STARTED = "MAIN_METHOD_STARTED";
  31 
  32     @Label("SimpleEvent")
  33     @Description("Simple custom event")
  34     static class SimpleEvent extends Event {
  35         @Label("Message")
  36         String msg;
  37 
  38         @Label("Count")
  39         int count;
  40     }
  41 

  42     public static void main(String[] args) throws Exception {
  43         if ((args.length < 1) || (args[0] == null)) {
  44             throw new IllegalArgumentException("Expecting one argument: time to run (seconds)");
  45         }
  46         int howLong = Integer.parseInt(args[0]);
  47 
  48         System.out.println(MAIN_METHOD_STARTED);
  49 
  50         for (int i=0; i < howLong; i++) {
  51             SimpleEvent ev = new SimpleEvent();
  52             ev.msg = "Hello";
  53             ev.count = i;
  54             ev.commit();
  55 
  56             try { Thread.sleep(1000); } catch (InterruptedException e) {}
  57             System.out.print(".");
  58         }
  59     }
  60 
  61 }