http://metrics.dropwizard.io/metrics-jetty9: A set of extensions for Jetty 9.3 and higher which provide instrumentation of thread pools, connector metrics, and application latency and utilization.
  • Coda Hale
  • Ryan Tenney
  • Artem Prigoda 
class com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool$1 extends com.codahale.metrics.RatioGauge
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool$1
  super_class: com.codahale.metrics.RatioGauge
{
  final com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool this$0;
    descriptor: Lcom/codahale/metrics/jetty9/InstrumentedQueuedThreadPool;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool);
    descriptor: (Lcom/codahale/metrics/jetty9/InstrumentedQueuedThreadPool;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool$1 this
         0: .line 72
            aload 0 /* this */
            aload 1
            putfield com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool$1.this$0:Lcom/codahale/metrics/jetty9/InstrumentedQueuedThreadPool;
            aload 0 /* this */
            invokespecial com.codahale.metrics.RatioGauge.<init>:()V
            return
        end local 0 // com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/codahale/metrics/jetty9/InstrumentedQueuedThreadPool$1;
    MethodParameters:
        Name  Flags
      this$0  final

  protected com.codahale.metrics.RatioGauge$Ratio getRatio();
    descriptor: ()Lcom/codahale/metrics/RatioGauge$Ratio;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool$1 this
         0: .line 75
            aload 0 /* this */
            getfield com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool$1.this$0:Lcom/codahale/metrics/jetty9/InstrumentedQueuedThreadPool;
            invokevirtual com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool.getThreads:()I
            aload 0 /* this */
            getfield com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool$1.this$0:Lcom/codahale/metrics/jetty9/InstrumentedQueuedThreadPool;
            invokevirtual com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool.getIdleThreads:()I
            isub
            i2d
            aload 0 /* this */
            getfield com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool$1.this$0:Lcom/codahale/metrics/jetty9/InstrumentedQueuedThreadPool;
            invokevirtual com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool.getThreads:()I
            i2d
            invokestatic com.codahale.metrics.RatioGauge$Ratio.of:(DD)Lcom/codahale/metrics/RatioGauge$Ratio;
            areturn
        end local 0 // com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/codahale/metrics/jetty9/InstrumentedQueuedThreadPool$1;
}
SourceFile: "InstrumentedQueuedThreadPool.java"
EnclosingMethod: com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool.doStart:()V
NestHost: com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool
InnerClasses:
  public Ratio = com.codahale.metrics.RatioGauge$Ratio of com.codahale.metrics.RatioGauge
  com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool$1