io.micrometer.core.instrument.binder.jvm.JvmCompilationMetrics Maven / Gradle / Ivy
/*
* Copyright 2017 VMware, 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
*
* https://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 io.micrometer.core.instrument.binder.jvm;
import io.micrometer.core.instrument.FunctionCounter;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.Tag;
import io.micrometer.core.instrument.Tags;
import io.micrometer.core.instrument.binder.BaseUnits;
import io.micrometer.core.instrument.binder.MeterBinder;
import io.micrometer.core.lang.NonNullApi;
import io.micrometer.core.lang.NonNullFields;
import java.lang.management.CompilationMXBean;
import java.lang.management.ManagementFactory;
import static java.util.Collections.emptyList;
/**
* {@link MeterBinder} for JVM compilation metrics.
*
* @since 1.4.0
*/
@NonNullApi
@NonNullFields
public class JvmCompilationMetrics implements MeterBinder {
private final Iterable tags;
public JvmCompilationMetrics() {
this(emptyList());
}
public JvmCompilationMetrics(Iterable tags) {
this.tags = tags;
}
@Override
public void bindTo(MeterRegistry registry) {
CompilationMXBean compilationBean = ManagementFactory.getCompilationMXBean();
if (compilationBean != null && compilationBean.isCompilationTimeMonitoringSupported()) {
FunctionCounter.builder("jvm.compilation.time", compilationBean, CompilationMXBean::getTotalCompilationTime)
.tags(Tags.concat(tags, "compiler", compilationBean.getName()))
.description("The approximate accumulated elapsed time spent in compilation")
.baseUnit(BaseUnits.MILLISECONDS)
.register(registry);
}
}
}