benchmarks/Elastic.Apm.Benchmarks/TracerBenchmarks.cs

// Licensed to Elasticsearch B.V under one or more agreements.
// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information

using BenchmarkDotNet.Attributes;
using Elastic.Apm.Logging;
using Elastic.Apm.Tests.Utilities;

namespace Elastic.Apm.Benchmarks
{
	/// <summary>
	/// Benchmarks related to tracer (like starting a transaction, span, etc.)
	/// </summary>
	[MemoryDiagnoser]
	public class TracerBenchmarks
	{
		private ApmAgent _agent;

		[GlobalSetup(Target = nameof(SimpleTransactionsWith1SpanWithStackTrace))]
		public void SetupWithStackTraceForAllSpans()
			=> _agent = new ApmAgent(new AgentComponents(payloadSender: new MockPayloadSender(),
				configurationReader: new MockConfiguration(spanFramesMinDurationInMilliseconds: "-1ms")));

		[GlobalSetup(Target = nameof(SimpleTransactionsWith1SpanWithoutStackTrace))]
		public void SetupWithTurnedOffStackTrace()
			=> _agent = new ApmAgent(new AgentComponents(payloadSender: new MockPayloadSender(),
				configurationReader: new MockConfiguration(spanFramesMinDurationInMilliseconds: "0ms")));

		[GlobalSetup(Target = nameof(Simple100Transaction10Spans))]
		public void DefaultAgentSetup()
		{
			var noopLogger = new NoopLogger();
			_agent = new ApmAgent(new AgentComponents(payloadSender: new MockPayloadSender(), logger: noopLogger,
				configurationReader: new MockConfiguration(noopLogger)));
		}

		[GlobalSetup(Target = nameof(DebugLogSimpleTransaction10Spans))]
		public void DebugAgentSetup()
		{
			var testLogger = new PerfTestLogger(LogLevel.Debug);
			_agent = new ApmAgent(new AgentComponents(payloadSender: new MockPayloadSender(), logger: testLogger,
				configurationReader: new MockConfiguration(testLogger, "Debug")));
		}

		[Benchmark]
		public void SimpleTransactionsWith1SpanWithStackTrace()
			=> _agent.Tracer.CaptureTransaction("transaction", "perfTransaction",
				transaction => { transaction.CaptureSpan("span", "perfSpan", () => { }); });

		[Benchmark]
		public void SimpleTransactionsWith1SpanWithoutStackTrace()
			=> _agent.Tracer.CaptureTransaction("transaction", "perfTransaction",
				transaction => { transaction.CaptureSpan("span", "perfSpan", () => { }); });

		[GlobalCleanup]
		public void GlobalCleanup() => _agent.Dispose();

		[Benchmark]
		public void Simple100Transaction10Spans()
			=> _agent.Tracer.CaptureTransaction("transaction", "perfTransaction", transaction =>
			{
				for (var j = 0; j < 10; j++)
					transaction.CaptureSpan("span", "perfSpan", () => { });
			});

		[Benchmark]
		public void DebugLogSimpleTransaction10Spans()
			=> _agent.Tracer.CaptureTransaction("transaction", "perfTransaction", transaction =>
			{
				for (var j = 0; j < 10; j++)
					transaction.CaptureSpan("span", "perfSpan", () => { });
			});
	}
}