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/*
* Copyright 2017, Google 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
* 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 com.google.instrumentation.trace;
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 PropagationUtil}. */
@State(Scope.Benchmark)
public class PropagationUtilBenchmark {
private static final byte[] traceIdBytes =
new byte[] {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'a'};
private static final TraceId traceId = TraceId.fromBytes(traceIdBytes);
private static final byte[] spanIdBytes = new byte[] {(byte) 0xFF, 0, 0, 0, 0, 0, 0, 0};
private static final SpanId spanId = SpanId.fromBytes(spanIdBytes);
private static final byte[] traceOptionsBytes = new byte[] {1};
private static final TraceOptions traceOptions = TraceOptions.fromBytes(traceOptionsBytes);
private SpanContext spanContext;
private String spanContextStringHttp;
private byte[] spanContextBinary;
/**
* Setup function for benchmarks.
*/
@Setup
public void setUp() {
spanContext = new SpanContext(traceId, spanId, traceOptions);
spanContextStringHttp = PropagationUtil.toHttpHeaderValue(spanContext);
spanContextBinary = PropagationUtil.toBinaryValue(spanContext);
}
/**
* This benchmark attempts to measure performance of {@link
* PropagationUtil#toHttpHeaderValue(SpanContext)}.
*/
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public String toHttpHeaderValueSpanContext() {
return PropagationUtil.toHttpHeaderValue(spanContext);
}
/**
* This benchmark attempts to measure performance of {@link
* PropagationUtil#fromHttpHeaderValue(CharSequence)}.
*/
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public SpanContext fromHttpHeaderValueSpanContext() {
return PropagationUtil.fromHttpHeaderValue(spanContextStringHttp);
}
/**
* This benchmark attempts to measure performance of {@link
* PropagationUtil#toHttpHeaderValue(SpanContext)} then {@link
* PropagationUtil#fromHttpHeaderValue(CharSequence)}.
*/
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public SpanContext toFromHttpFormatSpanContext() {
return PropagationUtil.fromHttpHeaderValue(
PropagationUtil.toHttpHeaderValue(spanContext));
}
/**
* This benchmark attempts to measure performance of {@link
* PropagationUtil#toBinaryValue(SpanContext)}.
*/
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public byte[] toBinaryValueSpanContext() {
return PropagationUtil.toBinaryValue(spanContext);
}
/**
* This benchmark attempts to measure performance of {@link
* PropagationUtil#fromBinaryValue(byte[])}.
*/
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public SpanContext fromBinaryValueSpanContext() {
return PropagationUtil.fromBinaryValue(spanContextBinary);
}
/**
* This benchmark attempts to measure performance of {@link
* PropagationUtil#toBinaryValue(SpanContext)} then
* {@link PropagationUtil#fromBinaryValue(byte[])}.
*/
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public SpanContext toFromBinarySpanContext() {
return PropagationUtil.fromBinaryValue(
PropagationUtil.toBinaryValue(spanContext));
}
}
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