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.runner.ForkedMain$ShutdownTimeoutThread extends java.lang.Thread
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread
  super_class: java.lang.Thread
{
  private static final int TIMEOUT;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int TIMEOUT_STEP;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

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

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 169
            ldc "jmh.shutdownTimeout"
            bipush 30
            invokestatic java.lang.Integer.getInteger:(Ljava/lang/String;I)Ljava/lang/Integer;
            invokevirtual java.lang.Integer.intValue:()I
            putstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.TIMEOUT:I
         1: .line 170
            ldc "jmh.shutdownTimeout.step"
            iconst_5
            invokestatic java.lang.Integer.getInteger:(Ljava/lang/String;I)Ljava/lang/Integer;
            invokevirtual java.lang.Integer.intValue:()I
            putstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.TIMEOUT_STEP:I
         2: .line 171
            ldc "line.separator"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            putstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.LINE_SEPARATOR:Ljava/lang/String;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread this
         0: .line 173
            aload 0 /* this */
            invokespecial java.lang.Thread.<init>:()V
         1: .line 174
            aload 0 /* this */
            ldc "JMH-Shutdown-Timeout"
            invokevirtual org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.setName:(Ljava/lang/String;)V
         2: .line 175
            aload 0 /* this */
            iconst_1
            invokevirtual org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.setDaemon:(Z)V
         3: .line 176
            return
        end local 0 // org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/openjdk/jmh/runner/ForkedMain$ShutdownTimeoutThread;

  public void run();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=7, args_size=1
        start local 0 // org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread this
         0: .line 180
            invokestatic java.lang.System.nanoTime:()J
            lstore 1 /* start */
        start local 1 // long start
         1: .line 185
      StackMap locals: long
      StackMap stack:
            getstatic java.util.concurrent.TimeUnit.SECONDS:Ljava/util/concurrent/TimeUnit;
            getstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.TIMEOUT_STEP:I
            i2l
            invokevirtual java.util.concurrent.TimeUnit.sleep:(J)V
         2: .line 186
            goto 5
      StackMap locals:
      StackMap stack: java.lang.InterruptedException
         3: pop
         4: .line 187
            return
         5: .line 190
      StackMap locals:
      StackMap stack:
            getstatic java.util.concurrent.TimeUnit.SECONDS:Ljava/util/concurrent/TimeUnit;
            getstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.TIMEOUT:I
            i2l
            invokevirtual java.util.concurrent.TimeUnit.toNanos:(J)J
            invokestatic java.lang.System.nanoTime:()J
            lload 1 /* start */
            lsub
            lsub
            lstore 3 /* waitMore */
        start local 3 // long waitMore
         6: .line 192
            aload 0 /* this */
            lload 3 /* waitMore */
            invokevirtual org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.getMessage:(J)Ljava/lang/String;
            astore 5 /* msg */
        start local 5 // java.lang.String msg
         7: .line 194
            getstatic org.openjdk.jmh.runner.ForkedMain.linkRef:Ljava/util/concurrent/atomic/AtomicReference;
            invokevirtual java.util.concurrent.atomic.AtomicReference.get:()Ljava/lang/Object;
            checkcast org.openjdk.jmh.runner.link.BinaryLinkClient
            astore 6 /* link */
        start local 6 // org.openjdk.jmh.runner.link.BinaryLinkClient link
         8: .line 195
            aload 6 /* link */
            ifnull 11
         9: .line 196
            aload 6 /* link */
            invokevirtual org.openjdk.jmh.runner.link.BinaryLinkClient.getOutputFormat:()Lorg/openjdk/jmh/runner/format/OutputFormat;
            aload 5 /* msg */
            invokeinterface org.openjdk.jmh.runner.format.OutputFormat.println:(Ljava/lang/String;)V
        10: .line 197
            goto 12
        11: .line 199
      StackMap locals: long java.lang.String org.openjdk.jmh.runner.link.BinaryLinkClient
      StackMap stack:
            getstatic org.openjdk.jmh.runner.ForkedMain.nakedErr:Ljava/io/PrintStream;
            aload 5 /* msg */
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        end local 6 // org.openjdk.jmh.runner.link.BinaryLinkClient link
        end local 5 // java.lang.String msg
        12: .line 201
      StackMap locals:
      StackMap stack:
            lload 3 /* waitMore */
            lconst_0
        13: .line 183
            lcmp
            ifgt 1
        14: .line 203
            new java.lang.StringBuilder
            dup
            ldc "<shutdown timeout of "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            getstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.TIMEOUT:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " seconds expired, forcing forked VM to exit>"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            astore 5 /* msg */
        start local 5 // java.lang.String msg
        15: .line 204
            getstatic org.openjdk.jmh.runner.ForkedMain.linkRef:Ljava/util/concurrent/atomic/AtomicReference;
            invokevirtual java.util.concurrent.atomic.AtomicReference.get:()Ljava/lang/Object;
            checkcast org.openjdk.jmh.runner.link.BinaryLinkClient
            astore 6 /* link */
        start local 6 // org.openjdk.jmh.runner.link.BinaryLinkClient link
        16: .line 205
            aload 6 /* link */
            ifnull 19
        17: .line 206
            aload 6 /* link */
            invokevirtual org.openjdk.jmh.runner.link.BinaryLinkClient.getOutputFormat:()Lorg/openjdk/jmh/runner/format/OutputFormat;
            aload 5 /* msg */
            invokeinterface org.openjdk.jmh.runner.format.OutputFormat.println:(Ljava/lang/String;)V
        18: .line 207
            goto 20
        19: .line 209
      StackMap locals: java.lang.String org.openjdk.jmh.runner.link.BinaryLinkClient
      StackMap stack:
            getstatic org.openjdk.jmh.runner.ForkedMain.nakedErr:Ljava/io/PrintStream;
            aload 5 /* msg */
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        20: .line 213
      StackMap locals:
      StackMap stack:
            invokestatic org.openjdk.jmh.runner.ForkedMain.hangup:()V
        21: .line 214
            invokestatic java.lang.Runtime.getRuntime:()Ljava/lang/Runtime;
            iconst_0
            invokevirtual java.lang.Runtime.halt:(I)V
        22: .line 215
            return
        end local 6 // org.openjdk.jmh.runner.link.BinaryLinkClient link
        end local 5 // java.lang.String msg
        end local 3 // long waitMore
        end local 1 // long start
        end local 0 // org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   23     0      this  Lorg/openjdk/jmh/runner/ForkedMain$ShutdownTimeoutThread;
            1   23     1     start  J
            6   23     3  waitMore  J
            7   12     5       msg  Ljava/lang/String;
            8   12     6      link  Lorg/openjdk/jmh/runner/link/BinaryLinkClient;
           15   23     5       msg  Ljava/lang/String;
           16   23     6      link  Lorg/openjdk/jmh/runner/link/BinaryLinkClient;
      Exception table:
        from    to  target  type
           1     2       3  Class java.lang.InterruptedException

  private java.lang.String getMessage(long);
    descriptor: (J)Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=12, args_size=2
        start local 0 // org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread this
        start local 1 // long waitMore
         0: .line 218
            new java.lang.StringBuilder
            dup
            invokespecial java.lang.StringBuilder.<init>:()V
            astore 3 /* sb */
        start local 3 // java.lang.StringBuilder sb
         1: .line 219
            aload 3 /* sb */
            ldc "<JMH had finished, but forked VM did not exit, are there stray running threads? Waiting "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         2: .line 220
            getstatic java.util.concurrent.TimeUnit.NANOSECONDS:Ljava/util/concurrent/TimeUnit;
            lload 1 /* waitMore */
            invokevirtual java.util.concurrent.TimeUnit.toSeconds:(J)J
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            ldc " seconds more...>"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         3: .line 221
            aload 3 /* sb */
            getstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.LINE_SEPARATOR:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         4: .line 222
            aload 3 /* sb */
            getstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.LINE_SEPARATOR:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         5: .line 224
            aload 3 /* sb */
            ldc "Non-finished threads:"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         6: .line 225
            aload 3 /* sb */
            getstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.LINE_SEPARATOR:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         7: .line 226
            aload 3 /* sb */
            getstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.LINE_SEPARATOR:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         8: .line 228
            invokestatic java.lang.Thread.getAllStackTraces:()Ljava/util/Map;
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 5
            goto 24
      StackMap locals: org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread long java.lang.StringBuilder top java.util.Iterator
      StackMap stack:
         9: aload 5
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Map$Entry
            astore 4 /* e */
        start local 4 // java.util.Map$Entry e
        10: .line 229
            aload 4 /* e */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.Thread
            astore 6 /* thread */
        start local 6 // java.lang.Thread thread
        11: .line 230
            aload 4 /* e */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.StackTraceElement[]
            astore 7 /* els */
        start local 7 // java.lang.StackTraceElement[] els
        12: .line 232
            aload 6 /* thread */
            invokevirtual java.lang.Thread.isDaemon:()Z
            ifeq 13
            goto 24
        13: .line 233
      StackMap locals: org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread long java.lang.StringBuilder java.util.Map$Entry java.util.Iterator java.lang.Thread java.lang.StackTraceElement[]
      StackMap stack:
            aload 6 /* thread */
            invokevirtual java.lang.Thread.isAlive:()Z
            ifne 14
            goto 24
        14: .line 235
      StackMap locals:
      StackMap stack:
            aload 3 /* sb */
            aload 6 /* thread */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            pop
        15: .line 236
            aload 3 /* sb */
            getstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.LINE_SEPARATOR:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        16: .line 238
            aload 7 /* els */
            dup
            astore 11
            arraylength
            istore 10
            iconst_0
            istore 9
            goto 22
      StackMap locals: org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread long java.lang.StringBuilder java.util.Map$Entry java.util.Iterator java.lang.Thread java.lang.StackTraceElement[] top int int java.lang.StackTraceElement[]
      StackMap stack:
        17: aload 11
            iload 9
            aaload
            astore 8 /* el */
        start local 8 // java.lang.StackTraceElement el
        18: .line 239
            aload 3 /* sb */
            ldc "  at "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        19: .line 240
            aload 3 /* sb */
            aload 8 /* el */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            pop
        20: .line 241
            aload 3 /* sb */
            getstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.LINE_SEPARATOR:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        end local 8 // java.lang.StackTraceElement el
        21: .line 238
            iinc 9 1
      StackMap locals:
      StackMap stack:
        22: iload 9
            iload 10
            if_icmplt 17
        23: .line 244
            aload 3 /* sb */
            getstatic org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread.LINE_SEPARATOR:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        end local 7 // java.lang.StackTraceElement[] els
        end local 6 // java.lang.Thread thread
        end local 4 // java.util.Map$Entry e
        24: .line 228
      StackMap locals: org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread long java.lang.StringBuilder top java.util.Iterator
      StackMap stack:
            aload 5
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 9
        25: .line 247
            aload 3 /* sb */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 3 // java.lang.StringBuilder sb
        end local 1 // long waitMore
        end local 0 // org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   26     0      this  Lorg/openjdk/jmh/runner/ForkedMain$ShutdownTimeoutThread;
            0   26     1  waitMore  J
            1   26     3        sb  Ljava/lang/StringBuilder;
           10   24     4         e  Ljava/util/Map$Entry<Ljava/lang/Thread;[Ljava/lang/StackTraceElement;>;
           11   24     6    thread  Ljava/lang/Thread;
           12   24     7       els  [Ljava/lang/StackTraceElement;
           18   21     8        el  Ljava/lang/StackTraceElement;
    MethodParameters:
          Name  Flags
      waitMore  
}
SourceFile: "ForkedMain.java"
NestHost: org.openjdk.jmh.runner.ForkedMain
InnerClasses:
  public abstract Entry = java.util.Map$Entry of java.util.Map
  private ShutdownTimeoutThread = org.openjdk.jmh.runner.ForkedMain$ShutdownTimeoutThread of org.openjdk.jmh.runner.ForkedMain