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/*
* 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.implcore.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.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(new B3Format());
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);
}
}
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