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CounterBenchmark.java
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CounterBenchmark.java
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/*
* 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.benchmark.core;
import io.micrometer.core.instrument.Counter;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.prometheus.PrometheusConfig;
import io.micrometer.prometheus.PrometheusMeterRegistry;
import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import java.util.concurrent.TimeUnit;
@State(Scope.Benchmark)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
public class CounterBenchmark {
public static void main(String[] args) throws RunnerException {
Options opt = new OptionsBuilder()
.include(CounterBenchmark.class.getSimpleName())
.warmupIterations(5)
.measurementIterations(10)
.mode(Mode.SampleTime)
.forks(1)
.build();
new Runner(opt).run();
}
private int x = 923;
private int y = 123;
private MeterRegistry registry;
private Counter counter;
@Setup
public void setup() {
registry = new PrometheusMeterRegistry(PrometheusConfig.DEFAULT);
counter = registry.counter("counter");
}
@Benchmark
public int countSum() {
counter.increment();
return sum();
}
@Benchmark
public int countSumWithRegistryLookup() {
registry.counter("counter").increment();
return sum();
}
@Benchmark
public int sum() {
return x + y;
}
}