CodahaleMetricsEngine.java 文件源码

/**
 * Adds JVM MetricSets to this engine.  By default JVM metrics are not placed in the Registry
 */
public CodahaleMetricsEngine reportJvmMetrics() {
    // add JVM metrics
    if (!jvmMetricsAdded) {
        metricsCollector.registerAll("JVM-gc", new GarbageCollectorMetricSet());
        metricsCollector
            .registerAll("JVM-buffers", new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
        metricsCollector.registerAll("JVM-memory", new MemoryUsageGaugeSet());
        metricsCollector.registerAll("JVM-threads", new ThreadStatesGaugeSet());
        jvmMetricsAdded = true;
    }
    return this;
}