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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 io.opencensus.trace.propagation;
import io.opencensus.trace.SpanContext;
import io.opencensus.trace.base.SpanId;
import io.opencensus.trace.base.TraceId;
import io.opencensus.trace.base.TraceOptions;
import java.text.ParseException;
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.State;
/** Benchmarks for {@link BinaryFormatImpl}. */
@State(Scope.Benchmark)
public class BinaryPropagationImplBenchmark {
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 static final SpanContext spanContext = SpanContext.create(traceId, spanId, traceOptions);
private static final BinaryFormat BINARY_PROPAGATION = new BinaryFormatImpl();
private static final byte[] spanContextBinary = BINARY_PROPAGATION.toBinaryValue(spanContext);
/**
* This benchmark attempts to measure performance of {@link
* BinaryFormatImpl#toBinaryValue(SpanContext)}.
*/
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public byte[] toBinaryValueSpanContext() {
return BINARY_PROPAGATION.toBinaryValue(spanContext);
}
/**
* This benchmark attempts to measure performance of {@link
* BinaryFormatImpl#fromBinaryValue(byte[])}.
*/
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public SpanContext fromBinaryValueSpanContext() throws ParseException {
return BINARY_PROPAGATION.fromBinaryValue(spanContextBinary);
}
/**
* This benchmark attempts to measure performance of {@link
* BinaryFormatImpl#toBinaryValue(SpanContext)} then {@link
* BinaryFormatImpl#fromBinaryValue(byte[])}.
*/
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public SpanContext toFromBinarySpanContext() throws ParseException {
return BINARY_PROPAGATION.fromBinaryValue(BINARY_PROPAGATION.toBinaryValue(spanContext));
}
}
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