| package org.apache.camel.itest.jmh; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.ProducerTemplate; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.impl.DefaultCamelContext; |
| import org.junit.jupiter.api.Test; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.BenchmarkMode; |
| import org.openjdk.jmh.annotations.Level; |
| import org.openjdk.jmh.annotations.Mode; |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
| import org.openjdk.jmh.annotations.Param; |
| import org.openjdk.jmh.annotations.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| import org.openjdk.jmh.annotations.Threads; |
| import org.openjdk.jmh.infra.Blackhole; |
| import org.openjdk.jmh.results.format.ResultFormatType; |
| import org.openjdk.jmh.runner.Runner; |
| import org.openjdk.jmh.runner.options.Options; |
| import org.openjdk.jmh.runner.options.OptionsBuilder; |
| |
| /** |
| * This tests the scalability of the disruptor component when running with many threads. You need a large machine for running |
| * this reliably: desktops and machines with a small number of cores may introduce excessive scheduler latency affecting the |
| * results. |
| */ |
| public class DisruptorScalabilityProducerTest { |
| |
| @Test |
| public void launchBenchmark() throws Exception { |
| Options opt = new OptionsBuilder() |
| // Specify which benchmarks to run. |
| // You can be more specific if you'd like to run only one benchmark per test. |
| .include(this.getClass().getName() + ".*") |
| // Set the following options as needed |
| .measurementIterations(10) |
| .warmupIterations(5) |
| .forks(1) |
| .resultFormat(ResultFormatType.JSON) |
| .result(this.getClass().getSimpleName() + ".jmh.json") |
| .build(); |
| |
| new Runner(opt).run(); |
| } |
| |
| // The JMH samples are the best documentation for how to use it |
| // http://hg.openjdk.java.net/code-tools/jmh/file/tip/jmh-samples/src/main/java/org/openjdk/jmh/samples/ |
| @State(Scope.Benchmark) |
| public static class BenchmarkState { |
| @Param({"1", "8", "16", "32"}) |
| int consumers; |
| |
| CamelContext context; |
| ProducerTemplate producerTemplate; |
| Endpoint endpoint; |
| |
| @Setup(Level.Trial) |
| public void initialize() throws Exception { |
| context = new DefaultCamelContext(); |
| |
| producerTemplate = context.createProducerTemplate(); |
| endpoint = context.getEndpoint("disruptor:test"); |
| |
| context.addRoutes(new RouteBuilder() { |
| @Override |
| public void configure() { |
| fromF("disruptor:test?concurrentConsumers=%s", consumers).to("log:?level=OFF"); |
| |
| } |
| }); |
| |
| context.start(); |
| } |
| } |
| |
| @OutputTimeUnit(TimeUnit.MICROSECONDS) |
| @BenchmarkMode(Mode.AverageTime) |
| @Benchmark |
| @Threads(8) |
| public void send_8(BenchmarkState state, Blackhole bh) { |
| state.producerTemplate.sendBody(state.endpoint, "test"); |
| } |
| |
| @OutputTimeUnit(TimeUnit.MICROSECONDS) |
| @BenchmarkMode(Mode.AverageTime) |
| @Benchmark |
| @Threads(16) |
| public void send_16(BenchmarkState state, Blackhole bh) { |
| state.producerTemplate.sendBody(state.endpoint, "test"); |
| } |
| |
| @OutputTimeUnit(TimeUnit.MICROSECONDS) |
| @BenchmarkMode(Mode.AverageTime) |
| @Benchmark |
| @Threads(32) |
| public void send_32(BenchmarkState state, Blackhole bh) { |
| state.producerTemplate.sendBody(state.endpoint, "test"); |
| } |
| } |