http://metrics.dropwizard.io/metrics-core: Metrics is a Java library which gives you unparalleled insight into what your code does in production. Metrics provides a powerful toolkit of ways to measure the behavior of critical components in your production environment.
  • Coda Hale
  • Ryan Tenney
  • Artem Prigoda 
class com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable implements java.lang.Runnable
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable
  super_class: java.lang.Object
{
  private final java.lang.Runnable command;
    descriptor: Ljava/lang/Runnable;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final long periodInNanos;
    descriptor: J
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  final com.codahale.metrics.InstrumentedScheduledExecutorService this$0;
    descriptor: Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.codahale.metrics.InstrumentedScheduledExecutorService, java.lang.Runnable, long, java.util.concurrent.TimeUnit);
    descriptor: (Lcom/codahale/metrics/InstrumentedScheduledExecutorService;Ljava/lang/Runnable;JLjava/util/concurrent/TimeUnit;)V
    flags: (0x0000) 
    Code:
      stack=4, locals=6, args_size=5
        start local 0 // com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable this
        start local 2 // java.lang.Runnable command
        start local 3 // long period
        start local 5 // java.util.concurrent.TimeUnit unit
         0: .line 254
            aload 0 /* this */
            aload 1
            putfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 255
            aload 0 /* this */
            aload 2 /* command */
            putfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.command:Ljava/lang/Runnable;
         2: .line 256
            aload 0 /* this */
            aload 5 /* unit */
            lload 3 /* period */
            invokevirtual java.util.concurrent.TimeUnit.toNanos:(J)J
            putfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.periodInNanos:J
         3: .line 257
            return
        end local 5 // java.util.concurrent.TimeUnit unit
        end local 3 // long period
        end local 2 // java.lang.Runnable command
        end local 0 // com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lcom/codahale/metrics/InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable;
            0    4     2  command  Ljava/lang/Runnable;
            0    4     3   period  J
            0    4     5     unit  Ljava/util/concurrent/TimeUnit;
    MethodParameters:
         Name  Flags
      this$0   final
      command  
      period   
      unit     

  public void run();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=1
        start local 0 // com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable this
         0: .line 261
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.running:Lcom/codahale/metrics/Counter;
            invokevirtual com.codahale.metrics.Counter.inc:()V
         1: .line 262
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.duration:Lcom/codahale/metrics/Timer;
            invokevirtual com.codahale.metrics.Timer.time:()Lcom/codahale/metrics/Timer$Context;
            astore 1 /* context */
        start local 1 // com.codahale.metrics.Timer$Context context
         2: .line 264
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.command:Ljava/lang/Runnable;
            invokeinterface java.lang.Runnable.run:()V
         3: .line 265
            goto 12
      StackMap locals: com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable com.codahale.metrics.Timer$Context
      StackMap stack: java.lang.Throwable
         4: astore 2
         5: .line 266
            aload 1 /* context */
            invokevirtual com.codahale.metrics.Timer$Context.stop:()J
            lstore 3 /* elapsed */
        start local 3 // long elapsed
         6: .line 267
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.running:Lcom/codahale/metrics/Counter;
            invokevirtual com.codahale.metrics.Counter.dec:()V
         7: .line 268
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.completed:Lcom/codahale/metrics/Meter;
            invokevirtual com.codahale.metrics.Meter.mark:()V
         8: .line 269
            lload 3 /* elapsed */
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.periodInNanos:J
            lcmp
            ifle 10
         9: .line 270
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.scheduledOverrun:Lcom/codahale/metrics/Counter;
            invokevirtual com.codahale.metrics.Counter.inc:()V
        10: .line 272
      StackMap locals: java.lang.Throwable long
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.percentOfPeriod:Lcom/codahale/metrics/Histogram;
            ldc 100
            lload 3 /* elapsed */
            lmul
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.periodInNanos:J
            ldiv
            invokevirtual com.codahale.metrics.Histogram.update:(J)V
        end local 3 // long elapsed
        11: .line 273
            aload 2
            athrow
        12: .line 266
      StackMap locals:
      StackMap stack:
            aload 1 /* context */
            invokevirtual com.codahale.metrics.Timer$Context.stop:()J
            lstore 3 /* elapsed */
        start local 3 // long elapsed
        13: .line 267
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.running:Lcom/codahale/metrics/Counter;
            invokevirtual com.codahale.metrics.Counter.dec:()V
        14: .line 268
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.completed:Lcom/codahale/metrics/Meter;
            invokevirtual com.codahale.metrics.Meter.mark:()V
        15: .line 269
            lload 3 /* elapsed */
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.periodInNanos:J
            lcmp
            ifle 17
        16: .line 270
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.scheduledOverrun:Lcom/codahale/metrics/Counter;
            invokevirtual com.codahale.metrics.Counter.inc:()V
        17: .line 272
      StackMap locals: com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable com.codahale.metrics.Timer$Context top long
      StackMap stack:
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.this$0:Lcom/codahale/metrics/InstrumentedScheduledExecutorService;
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService.percentOfPeriod:Lcom/codahale/metrics/Histogram;
            ldc 100
            lload 3 /* elapsed */
            lmul
            aload 0 /* this */
            getfield com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable.periodInNanos:J
            ldiv
            invokevirtual com.codahale.metrics.Histogram.update:(J)V
        end local 3 // long elapsed
        18: .line 274
            return
        end local 1 // com.codahale.metrics.Timer$Context context
        end local 0 // com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   19     0     this  Lcom/codahale/metrics/InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable;
            2   19     1  context  Lcom/codahale/metrics/Timer$Context;
            6   11     3  elapsed  J
           13   18     3  elapsed  J
      Exception table:
        from    to  target  type
           2     4       4  any
}
SourceFile: "InstrumentedScheduledExecutorService.java"
NestHost: com.codahale.metrics.InstrumentedScheduledExecutorService
InnerClasses:
  private InstrumentedPeriodicRunnable = com.codahale.metrics.InstrumentedScheduledExecutorService$InstrumentedPeriodicRunnable of com.codahale.metrics.InstrumentedScheduledExecutorService
  public Context = com.codahale.metrics.Timer$Context of com.codahale.metrics.Timer