20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.util.List;
  25 import java.util.ArrayList;
  26 
  27 import com.oracle.java.testlibrary.*;
  28 import static com.oracle.java.testlibrary.Asserts.*;
  29 
  30 /* @test TestMetaspacePerfCounters
  31  * @bug 8014659
  32  * @requires vm.gc=="null"
  33  * @library /testlibrary
  34  * @summary Tests that performance counters for metaspace and compressed class
  35  *          space exists and works.
  36  *
  37  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseSerialGC TestMetaspacePerfCounters
  38  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseParallelGC -XX:+UseParallelOldGC TestMetaspacePerfCounters
  39  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseG1GC TestMetaspacePerfCounters
  40  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseShenandoahGC TestMetaspacePerfCounters
  41  *
  42  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseSerialGC TestMetaspacePerfCounters
  43  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseParallelGC -XX:+UseParallelOldGC TestMetaspacePerfCounters
  44  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseShenandoahGC TestMetaspacePerfCounters

  45  */
  46 public class TestMetaspacePerfCounters {
  47     public static Class fooClass = null;
  48     private static final String[] counterNames = {"minCapacity", "maxCapacity", "capacity", "used"};
  49 
  50     public static void main(String[] args) throws Exception {
  51         String metaspace = "sun.gc.metaspace";
  52         String ccs = "sun.gc.compressedclassspace";
  53 
  54         checkPerfCounters(metaspace);
  55 
  56         if (isUsingCompressedClassPointers()) {
  57             checkPerfCounters(ccs);
  58             checkUsedIncreasesWhenLoadingClass(ccs);
  59         } else {
  60             checkEmptyPerfCounters(ccs);
  61             checkUsedIncreasesWhenLoadingClass(metaspace);
  62         }
  63     }
  64 

  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.util.List;
  25 import java.util.ArrayList;
  26 
  27 import com.oracle.java.testlibrary.*;
  28 import static com.oracle.java.testlibrary.Asserts.*;
  29 
  30 /* @test TestMetaspacePerfCounters
  31  * @bug 8014659
  32  * @requires vm.gc=="null"
  33  * @library /testlibrary
  34  * @summary Tests that performance counters for metaspace and compressed class
  35  *          space exists and works.
  36  *
  37  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseSerialGC TestMetaspacePerfCounters
  38  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseParallelGC -XX:+UseParallelOldGC TestMetaspacePerfCounters
  39  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseG1GC TestMetaspacePerfCounters
  40  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC TestMetaspacePerfCounters
  41  *
  42  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseSerialGC TestMetaspacePerfCounters
  43  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseParallelGC -XX:+UseParallelOldGC TestMetaspacePerfCounters
  44  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UseG1GC TestMetaspacePerfCounters
  45  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UsePerfData -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC TestMetaspacePerfCounters
  46  */
  47 public class TestMetaspacePerfCounters {
  48     public static Class fooClass = null;
  49     private static final String[] counterNames = {"minCapacity", "maxCapacity", "capacity", "used"};
  50 
  51     public static void main(String[] args) throws Exception {
  52         String metaspace = "sun.gc.metaspace";
  53         String ccs = "sun.gc.compressedclassspace";
  54 
  55         checkPerfCounters(metaspace);
  56 
  57         if (isUsingCompressedClassPointers()) {
  58             checkPerfCounters(ccs);
  59             checkUsedIncreasesWhenLoadingClass(ccs);
  60         } else {
  61             checkEmptyPerfCounters(ccs);
  62             checkUsedIncreasesWhenLoadingClass(metaspace);
  63         }
  64     }
  65