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test/serviceability/tmtools/jstat/GcTest01.java

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  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 Test checks output displayed with jstat -gc.
  27  *          Test scenario:
  28  *          test several times provokes garbage collection
  29  *          in the debuggee application
  30  *          and after each garbage collection runs jstat.
  31  *          jstat should show that after garbage collection
  32  *          number of GC events and garbage
  33  *          collection time increase.
  34  * @library /test/lib/share/classes
  35  * @library ../share

  36  * @build common.*
  37  * @build utils.*
  38  *
  39  * @run main/othervm -XX:+UsePerfData GcTest01
  40  */
  41 import utils.*;
  42 
  43 public class GcTest01 {
  44 
  45     public static void main(String[] args) throws Exception {
  46 
  47         // We will be running "jstat -gc" tool
  48         JstatGcTool jstatGcTool = new JstatGcTool(ProcessHandle.current().getPid());
  49 
  50         // Run once and get the  results asserting that they are reasonable
  51         JstatGcResults measurement1 = jstatGcTool.measure();
  52         measurement1.assertConsistency();
  53 
  54         GcProvoker gcProvoker = GcProvoker.createGcProvoker();
  55 




  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 Test checks output displayed with jstat -gc.
  27  *          Test scenario:
  28  *          test several times provokes garbage collection
  29  *          in the debuggee application
  30  *          and after each garbage collection runs jstat.
  31  *          jstat should show that after garbage collection
  32  *          number of GC events and garbage
  33  *          collection time increase.
  34  * @library /test/lib/share/classes
  35  * @library ../share
  36  * @ignore 8147848
  37  * @build common.*
  38  * @build utils.*
  39  *
  40  * @run main/othervm -XX:+UsePerfData GcTest01
  41  */
  42 import utils.*;
  43 
  44 public class GcTest01 {
  45 
  46     public static void main(String[] args) throws Exception {
  47 
  48         // We will be running "jstat -gc" tool
  49         JstatGcTool jstatGcTool = new JstatGcTool(ProcessHandle.current().getPid());
  50 
  51         // Run once and get the  results asserting that they are reasonable
  52         JstatGcResults measurement1 = jstatGcTool.measure();
  53         measurement1.assertConsistency();
  54 
  55         GcProvoker gcProvoker = GcProvoker.createGcProvoker();
  56 


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