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PropagatorContextExtractBenchmark.java
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PropagatorContextExtractBenchmark.java
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/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
package io.opentelemetry.extension.trace.propagation;
import io.opentelemetry.api.trace.Span;
import io.opentelemetry.context.Context;
import io.opentelemetry.context.propagation.TextMapGetter;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Measurement;
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;
import org.openjdk.jmh.annotations.TearDown;
import org.openjdk.jmh.annotations.Warmup;
public class PropagatorContextExtractBenchmark {
private PropagatorContextExtractBenchmark() {}
/**
* Abstract class containing common setup and teardown logic along with a benchmark to measure
* extracting propagated trace context. Implementing subclasses will provide the sample headers
* and the actual call to the propagator.
*/
@State(Scope.Thread)
public abstract static class AbstractContextExtractBenchmark {
private final Map<String, String> carrier = new HashMap<>();
private Integer iteration = 0;
@Setup
public void setup() {
carrier.putAll(getHeaders().get(0));
}
@Benchmark
@Measurement(iterations = 15, time = 1)
@Warmup(iterations = 5, time = 1)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@BenchmarkMode(Mode.AverageTime)
@Fork(1)
public Span measureExtract() {
return Span.fromContext(doExtract());
}
protected abstract Context doExtract();
protected abstract List<Map<String, String>> getHeaders();
Map<String, String> getCarrier() {
return carrier;
}
@TearDown(Level.Iteration)
public void tearDown() {
this.carrier.putAll(getHeaders().get(++iteration % getHeaders().size()));
}
}
/** Benchmark for extracting context from Jaeger headers. */
public static class JaegerContextExtractBenchmark extends AbstractContextExtractBenchmark {
private static final List<Map<String, String>> traceHeaders =
Arrays.asList(
Collections.singletonMap(
JaegerPropagator.PROPAGATION_HEADER,
"905734c59b913b4a905734c59b913b4a:9909983295041501:0:1"),
Collections.singletonMap(
JaegerPropagator.PROPAGATION_HEADER,
"21196a77f299580e21196a77f299580e:993a97ee3691eb26:0:0"),
Collections.singletonMap(
JaegerPropagator.PROPAGATION_HEADER,
"2e7d0ad2390617702e7d0ad239061770:d49582a2de984b86:0:1"),
Collections.singletonMap(
JaegerPropagator.PROPAGATION_HEADER,
"905734c59b913b4a905734c59b913b4a:776ff807b787538a:0:0"),
Collections.singletonMap(
JaegerPropagator.PROPAGATION_HEADER,
"68ec932c33b3f2ee68ec932c33b3f2ee:68ec932c33b3f2ee:0:0"));
private final TextMapGetter<Map<String, String>> getter =
new TextMapGetter<Map<String, String>>() {
@Override
public Iterable<String> keys(Map<String, String> carrier) {
return carrier.keySet();
}
@Override
public String get(Map<String, String> carrier, String key) {
return carrier.get(key);
}
};
private final JaegerPropagator jaegerPropagator = JaegerPropagator.getInstance();
@Override
protected Context doExtract() {
return jaegerPropagator.extract(Context.current(), getCarrier(), getter);
}
@Override
protected List<Map<String, String>> getHeaders() {
return traceHeaders;
}
}
/** Benchmark for extracting context from Jaeger headers which are url encoded. */
public static class JaegerUrlEncodedContextExtractBenchmark
extends AbstractContextExtractBenchmark {
private static final List<Map<String, String>> traceHeaders =
Arrays.asList(
Collections.singletonMap(
JaegerPropagator.PROPAGATION_HEADER,
"905734c59b913b4a905734c59b913b4a%3A9909983295041501%3A0%3A1"),
Collections.singletonMap(
JaegerPropagator.PROPAGATION_HEADER,
"21196a77f299580e21196a77f299580e%3A993a97ee3691eb26%3A0%3A0"),
Collections.singletonMap(
JaegerPropagator.PROPAGATION_HEADER,
"2e7d0ad2390617702e7d0ad239061770%3Ad49582a2de984b86%3A0%3A1"),
Collections.singletonMap(
JaegerPropagator.PROPAGATION_HEADER,
"905734c59b913b4a905734c59b913b4a%3A776ff807b787538a%3A0%3A0"),
Collections.singletonMap(
JaegerPropagator.PROPAGATION_HEADER,
"68ec932c33b3f2ee68ec932c33b3f2ee%3A68ec932c33b3f2ee%3A0%3A0"));
private final TextMapGetter<Map<String, String>> getter =
new TextMapGetter<Map<String, String>>() {
@Override
public Iterable<String> keys(Map<String, String> carrier) {
return carrier.keySet();
}
@Override
public String get(Map<String, String> carrier, String key) {
return carrier.get(key);
}
};
private final JaegerPropagator jaegerPropagator = JaegerPropagator.getInstance();
@Override
protected Context doExtract() {
return jaegerPropagator.extract(Context.current(), getCarrier(), getter);
}
@Override
protected List<Map<String, String>> getHeaders() {
return traceHeaders;
}
}
/** Benchmark for extracting context from a single B3 header. */
public static class B3SingleHeaderContextExtractBenchmark
extends AbstractContextExtractBenchmark {
private static final List<Map<String, String>> traceHeaders =
Arrays.asList(
Collections.singletonMap(
B3Propagator.COMBINED_HEADER,
"905734c59b913b4a905734c59b913b4a-9909983295041501-1"),
Collections.singletonMap(
B3Propagator.COMBINED_HEADER,
"21196a77f299580e21196a77f299580e-993a97ee3691eb26-0"),
Collections.singletonMap(
B3Propagator.COMBINED_HEADER,
"2e7d0ad2390617702e7d0ad239061770-d49582a2de984b86-1"),
Collections.singletonMap(
B3Propagator.COMBINED_HEADER,
"905734c59b913b4a905734c59b913b4a-776ff807b787538a-0"),
Collections.singletonMap(
B3Propagator.COMBINED_HEADER,
"68ec932c33b3f2ee68ec932c33b3f2ee-68ec932c33b3f2ee-0"));
private final TextMapGetter<Map<String, String>> getter =
new TextMapGetter<Map<String, String>>() {
@Override
public Iterable<String> keys(Map<String, String> carrier) {
return carrier.keySet();
}
@Override
public String get(Map<String, String> carrier, String key) {
return carrier.get(key);
}
};
private final B3Propagator b3Propagator = B3Propagator.injectingSingleHeader();
@Override
protected Context doExtract() {
return b3Propagator.extract(Context.current(), getCarrier(), getter);
}
@Override
protected List<Map<String, String>> getHeaders() {
return traceHeaders;
}
}
/** Benchmark for extracting context from multiple B3 headers. */
public static class B3MultipleHeaderContextExtractBenchmark
extends AbstractContextExtractBenchmark {
private static final List<Map<String, String>> traceHeaders;
static {
traceHeaders =
Arrays.asList(
createHeaders("905734c59b913b4a905734c59b913b4a", "9909983295041501", "1"),
createHeaders("21196a77f299580e21196a77f299580e", "993a97ee3691eb26", "0"),
createHeaders("2e7d0ad2390617702e7d0ad239061770", "d49582a2de984b86", "1"),
createHeaders("905734c59b913b4a905734c59b913b4a", "776ff807b787538a", "0"),
createHeaders("68ec932c33b3f2ee68ec932c33b3f2ee", "68ec932c33b3f2ee", "0"));
}
private static Map<String, String> createHeaders(
String traceId, String spanId, String sampled) {
Map<String, String> headers = new HashMap<>();
headers.put(B3Propagator.TRACE_ID_HEADER, traceId);
headers.put(B3Propagator.SPAN_ID_HEADER, spanId);
headers.put(B3Propagator.SAMPLED_HEADER, sampled);
return headers;
}
private final TextMapGetter<Map<String, String>> getter =
new TextMapGetter<Map<String, String>>() {
@Override
public Iterable<String> keys(Map<String, String> carrier) {
return carrier.keySet();
}
@Override
public String get(Map<String, String> carrier, String key) {
return carrier.get(key);
}
};
private final B3Propagator b3Propagator = B3Propagator.injectingSingleHeader();
@Override
protected Context doExtract() {
return b3Propagator.extract(Context.current(), getCarrier(), getter);
}
@Override
protected List<Map<String, String>> getHeaders() {
return traceHeaders;
}
}
}