/**
* Copyright 2017 Pivotal Software, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.metrics.instrument.binder;
import org.springframework.metrics.instrument.MeterRegistry;
import java.lang.management.ManagementFactory;
import java.lang.management.OperatingSystemMXBean;
/**
* Record metrics related to CPU utilization
*/
public class ProcessorMetrics implements MeterBinder {
@Override
public void bindTo(MeterRegistry registry) {
Runtime runtime = Runtime.getRuntime();
registry.gauge("cpu_total", runtime, Runtime::availableProcessors);
OperatingSystemMXBean operatingSystemBean = ManagementFactory.getOperatingSystemMXBean();
if(operatingSystemBean != null && operatingSystemBean.getSystemLoadAverage() >= 0) {
registry.gauge("cpu_load_average", operatingSystemBean, OperatingSystemMXBean::getSystemLoadAverage);
}
}
}