89 lines
2.7 KiB
C#
89 lines
2.7 KiB
C#
// <copyright file="DiagnosticSourceSubscriberBenchmark.cs" company="OpenTelemetry Authors">
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// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// </copyright>
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using System.Diagnostics;
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using BenchmarkDotNet.Attributes;
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using OpenTelemetry.Instrumentation;
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namespace Benchmarks.Instrumentation
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{
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[InProcess]
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public class DiagnosticSourceSubscriberBenchmark
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{
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[Params(1, 2)]
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public int SubscriberCount;
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[Params(false, true)]
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public bool UseIsEnabledFilter;
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private const string SourceName = "MySource";
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private readonly DiagnosticListener listener = new(SourceName);
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private readonly List<DiagnosticSourceSubscriber> subscribers = new();
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private readonly Func<string, object, object, bool> isEnabledFilter = (name, arg1, arg2) => ((EventPayload)arg1).Data == "Data";
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[GlobalSetup]
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public void GlobalSetup()
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{
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for (var i = 0; i < this.SubscriberCount; ++i)
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{
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var subscriber = new DiagnosticSourceSubscriber(
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new TestListener(),
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this.UseIsEnabledFilter ? this.isEnabledFilter : null);
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this.subscribers.Add(subscriber);
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subscriber.Subscribe();
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}
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}
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[GlobalCleanup]
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public void GlobalCleanup()
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{
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foreach (var subscriber in this.subscribers)
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{
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subscriber.Dispose();
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}
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}
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[Benchmark]
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public void WriteDiagnosticSourceEvent()
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{
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var payload = new EventPayload("Data");
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this.listener.Write("SomeEvent", payload);
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}
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private struct EventPayload
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{
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public EventPayload(string data)
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{
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this.Data = data;
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}
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public string Data { get; }
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}
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private class TestListener : ListenerHandler
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{
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public TestListener()
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: base(DiagnosticSourceSubscriberBenchmark.SourceName)
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{
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}
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public override bool SupportsNullActivity => true;
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}
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}
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}
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