CloudWatchReporter.java 文件源码

public CloudWatchReporter build() {

            if (withJvmMetrics) {
                metricRegistry.register("jvm.uptime", (Gauge<Long>) () -> ManagementFactory.getRuntimeMXBean().getUptime());
                metricRegistry.register("jvm.current_time", (Gauge<Long>) clock::getTime);
                metricRegistry.register("jvm.classes", new ClassLoadingGaugeSet());
                metricRegistry.register("jvm.fd_usage", new FileDescriptorRatioGauge());
                metricRegistry.register("jvm.buffers", new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
                metricRegistry.register("jvm.gc", new GarbageCollectorMetricSet());
                metricRegistry.register("jvm.memory", new MemoryUsageGaugeSet());
                metricRegistry.register("jvm.thread-states", new ThreadStatesGaugeSet());
            }

            cwRateUnit = toStandardUnit(rateUnit);
            cwDurationUnit = toStandardUnit(durationUnit);

            return new CloudWatchReporter(this);
        }