| /* |
| * Copyright 2018, OpenCensus Authors |
| * |
| * 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 io.opencensus.benchmarks.trace.propagation; |
| |
| import io.opencensus.trace.SpanContext; |
| import io.opencensus.trace.SpanId; |
| import io.opencensus.trace.TraceId; |
| import io.opencensus.trace.TraceOptions; |
| import io.opencensus.trace.Tracestate; |
| import io.opencensus.trace.Tracing; |
| import io.opencensus.trace.propagation.SpanContextParseException; |
| import io.opencensus.trace.propagation.TextFormat; |
| import io.opencensus.trace.propagation.TextFormat.Getter; |
| import io.opencensus.trace.propagation.TextFormat.Setter; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Random; |
| import java.util.concurrent.TimeUnit; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.BenchmarkMode; |
| import org.openjdk.jmh.annotations.Mode; |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
| import org.openjdk.jmh.annotations.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| |
| /** Benchmarks for {@link io.opencensus.implcore.trace.propagation.B3Format}. */ |
| @State(Scope.Benchmark) |
| public class B3FormatImplBenchmark { |
| @State(Scope.Thread) |
| public static class Data { |
| private TextFormatBenchmarkBase textFormatBase; |
| private SpanContext spanContext; |
| private Map<String, String> spanContextHeaders; |
| |
| @Setup |
| public void setup() { |
| textFormatBase = new TextFormatBenchmarkBase(Tracing.getPropagationComponent().getB3Format()); |
| Random random = new Random(1234); |
| spanContext = |
| SpanContext.create( |
| TraceId.generateRandomId(random), |
| SpanId.generateRandomId(random), |
| TraceOptions.builder().setIsSampled(random.nextBoolean()).build(), |
| Tracestate.builder().build()); |
| spanContextHeaders = new HashMap<String, String>(); |
| textFormatBase.inject(spanContext, spanContextHeaders); |
| } |
| } |
| |
| /** |
| * This benchmark attempts to measure performance of {@link TextFormat#inject(SpanContext, Object, |
| * Setter)}. |
| */ |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public Map<String, String> inject(Data data) { |
| Map<String, String> carrier = new HashMap<String, String>(); |
| data.textFormatBase.inject(data.spanContext, carrier); |
| return carrier; |
| } |
| |
| /** |
| * This benchmark attempts to measure performance of {@link TextFormat#extract(Object, Getter)}. |
| */ |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public SpanContext extract(Data data) throws SpanContextParseException { |
| return data.textFormatBase.extract(data.spanContextHeaders); |
| } |
| |
| /** |
| * This benchmark attempts to measure performance of {@link TextFormat#inject(SpanContext, Object, |
| * Setter)} then {@link TextFormat#extract(Object, Getter)}. |
| */ |
| @Benchmark |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| public SpanContext injectExtract(Data data) throws SpanContextParseException { |
| Map<String, String> carrier = new HashMap<String, String>(); |
| data.textFormatBase.inject(data.spanContext, carrier); |
| return data.textFormatBase.extract(carrier); |
| } |
| } |