Package com.yammer.metrics.core

Interface Summary

Metered
Metric	A tag interface to indicate that a class is a metric.
MetricsProcessor<T>
MetricsRegistryListener	Listeners for events from the registry.
Percentiled
Stoppable	Interface for Metric instances that can be stopped.
Summarized

Class Summary

Clock	An abstraction for how time passes.
Clock.CpuTime	Another implementation, uses ThreadMXBean.getCurrentThreadCpuTime()
Clock.UserTime	Default implementation, uses System.nanoTime().
CounterMetric	An incrementing and decrementing counter metric.
DeadlockHealthCheck	A HealthCheck implementation which returns a list of deadlocked threads, if any.
GaugeMetric<T>	A gauge metric is an instantaneous reading of a particular value.
HealthCheck	A template class for an encapsulated service health check.
HealthCheck.Result
HealthCheckRegistry	A registry for health checks.
HistogramMetric	A metric which calculates the distribution of a value.
JmxGauge	A gauge which exposes an attribute of a JMX MBean.
MeterMetric	A meter metric which measures mean throughput and one-, five-, and fifteen-minute exponentially-weighted moving average throughputs.
MetricName	A value class encapsulating a metric's owning class and name.
MetricsRegistry	A registry of metric instances.
TimerContext	A timing context.
TimerMetric	A timer metric which aggregates timing durations and provides duration statistics, plus throughput statistics via MeterMetric.
VirtualMachineMetrics	A collection of Java Virtual Machine metrics.
VirtualMachineMetrics.GarbageCollector

Enum Summary

HistogramMetric.SampleType

The type of sampling the histogram should be performing.