http://openjdk.java.net/projects/code-tools/jmh/jmh-core/: The jmh is a Java harness for building, running, and analysing nano/micro/macro benchmarks written in Java and other languages targeting the JVM. (Oracle)
  • Aleksey Shipilev (Oracle/Sun, Red Hat)
  • Sergey Kuksenko (Oracle/Sun)
  • Anders Astrand (Oracle/BEA)
  • Staffan Friberg (Oracle/BEA)
  • Henrik Loef (Oracle/BEA) 
class org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter
  super_class: java.lang.Object
{
  private static final java.lang.reflect.Method GET_VALUE;
    descriptor: Ljava/lang/reflect/Method;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.lang.reflect.Method GET_NAME;
    descriptor: Ljava/lang/reflect/Method;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final java.lang.Object proxy;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=3, args_size=0
         0: .line 145
            aconst_null
            astore 0 /* name */
        start local 0 // java.lang.reflect.Method name
         1: .line 146
            aconst_null
            astore 1 /* value */
        start local 1 // java.lang.reflect.Method value
         2: .line 148
            ldc "sun.management.counter.Counter"
            invokestatic java.lang.Class.forName:(Ljava/lang/String;)Ljava/lang/Class;
            astore 2 /* cntClass */
        start local 2 // java.lang.Class cntClass
         3: .line 149
            aload 2 /* cntClass */
            ifnull 12
         4: .line 151
            aload 2 /* cntClass */
            ldc "getName"
            iconst_0
            anewarray java.lang.Class
            invokevirtual java.lang.Class.getMethod:(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;
            astore 0 /* name */
         5: .line 152
            goto 7
      StackMap locals: java.lang.reflect.Method java.lang.reflect.Method java.lang.Class
      StackMap stack: java.lang.NoSuchMethodException
         6: pop
         7: .line 156
      StackMap locals:
      StackMap stack:
            aload 2 /* cntClass */
            ldc "getValue"
            iconst_0
            anewarray java.lang.Class
            invokevirtual java.lang.Class.getMethod:(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;
            astore 1 /* value */
         8: .line 157
            goto 12
      StackMap locals:
      StackMap stack: java.lang.NoSuchMethodException
         9: pop
        end local 2 // java.lang.Class cntClass
        10: .line 161
            goto 12
      StackMap locals: java.lang.reflect.Method java.lang.reflect.Method
      StackMap stack: java.lang.ClassNotFoundException
        11: pop
        12: .line 165
      StackMap locals:
      StackMap stack:
            aload 0 /* name */
            putstatic org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter.GET_NAME:Ljava/lang/reflect/Method;
        13: .line 166
            aload 1 /* value */
            putstatic org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter.GET_VALUE:Ljava/lang/reflect/Method;
        end local 1 // java.lang.reflect.Method value
        end local 0 // java.lang.reflect.Method name
        14: .line 167
            return
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            1   14     0      name  Ljava/lang/reflect/Method;
            2   14     1     value  Ljava/lang/reflect/Method;
            3   10     2  cntClass  Ljava/lang/Class<*>;
      Exception table:
        from    to  target  type
           4     5       6  Class java.lang.NoSuchMethodException
           7     8       9  Class java.lang.NoSuchMethodException
           2    10      11  Class java.lang.ClassNotFoundException

  public void <init>(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter this
        start local 1 // java.lang.Object proxy
         0: .line 171
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 172
            aload 0 /* this */
            aload 1 /* proxy */
            putfield org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter.proxy:Ljava/lang/Object;
         2: .line 175
            getstatic org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter.GET_NAME:Ljava/lang/reflect/Method;
            ifnull 3
            getstatic org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter.GET_VALUE:Ljava/lang/reflect/Method;
            ifnonnull 4
         3: .line 176
      StackMap locals: org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter java.lang.Object
      StackMap stack:
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
         4: .line 179
      StackMap locals:
      StackMap stack:
            getstatic org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter.GET_NAME:Ljava/lang/reflect/Method;
            aload 1 /* proxy */
            iconst_0
            anewarray java.lang.Object
            invokevirtual java.lang.reflect.Method.invoke:(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.String
            pop
         5: .line 180
            getstatic org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter.GET_VALUE:Ljava/lang/reflect/Method;
            aload 1 /* proxy */
            iconst_0
            anewarray java.lang.Object
            invokevirtual java.lang.reflect.Method.invoke:(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
            pop
         6: .line 181
            goto 9
      StackMap locals:
      StackMap stack: java.lang.ReflectiveOperationException
         7: astore 2 /* e */
        start local 2 // java.lang.ReflectiveOperationException e
         8: .line 182
            new java.lang.UnsupportedOperationException
            dup
            aload 2 /* e */
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 2 // java.lang.ReflectiveOperationException e
         9: .line 184
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.lang.Object proxy
        end local 0 // org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   10     0   this  Lorg/openjdk/jmh/profile/AbstractHotspotProfiler$HotspotCounter;
            0   10     1  proxy  Ljava/lang/Object;
            8    9     2      e  Ljava/lang/ReflectiveOperationException;
      Exception table:
        from    to  target  type
           4     6       7  Class java.lang.IllegalAccessException
           4     6       7  Class java.lang.reflect.InvocationTargetException
    Exceptions:
      throws java.lang.UnsupportedOperationException
    MethodParameters:
       Name  Flags
      proxy  

  public java.lang.String getName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter this
         0: .line 188
            getstatic org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter.GET_NAME:Ljava/lang/reflect/Method;
            aload 0 /* this */
            getfield org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter.proxy:Ljava/lang/Object;
            iconst_0
            anewarray java.lang.Object
            invokevirtual java.lang.reflect.Method.invoke:(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.String
         1: areturn
         2: .line 189
      StackMap locals:
      StackMap stack: java.lang.ReflectiveOperationException
            pop
         3: .line 190
            new java.lang.IllegalStateException
            dup
            ldc "Cannot be here"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/openjdk/jmh/profile/AbstractHotspotProfiler$HotspotCounter;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.IllegalAccessException
           0     1       2  Class java.lang.reflect.InvocationTargetException

  public java.lang.Object getValue();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter this
         0: .line 196
            getstatic org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter.GET_VALUE:Ljava/lang/reflect/Method;
            aload 0 /* this */
            getfield org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter.proxy:Ljava/lang/Object;
            iconst_0
            anewarray java.lang.Object
            invokevirtual java.lang.reflect.Method.invoke:(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
         1: areturn
         2: .line 197
      StackMap locals:
      StackMap stack: java.lang.ReflectiveOperationException
            pop
         3: .line 198
            new java.lang.IllegalStateException
            dup
            ldc "Cannot be here"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/openjdk/jmh/profile/AbstractHotspotProfiler$HotspotCounter;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.IllegalAccessException
           0     1       2  Class java.lang.reflect.InvocationTargetException
}
SourceFile: "AbstractHotspotProfiler.java"
NestHost: org.openjdk.jmh.profile.AbstractHotspotProfiler
InnerClasses:
  private HotspotCounter = org.openjdk.jmh.profile.AbstractHotspotProfiler$HotspotCounter of org.openjdk.jmh.profile.AbstractHotspotProfiler