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* Add CPU benchmark project * Fix typos * Add README.md Co-authored-by: Aaron Stannard <aaron@petabridge.com>
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src/benchmark/Akka.Cluster.Cpu.Benchmark/Akka.Cluster.Cpu.Benchmark.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>netcoreapp3.1</TargetFramework> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="NDesk.Options.Core" Version="1.2.5" /> | ||
| <PackageReference Include="Tmds.ExecFunction" Version="0.5.0" /> | ||
| <PackageReference Include="Universe.CpuUsage" Version="2.2.497.598" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\core\Akka.Cluster\Akka.Cluster.csproj" /> | ||
| </ItemGroup> | ||
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| </Project> |
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| // //----------------------------------------------------------------------- | ||
| // // <copyright file="Seed.cs" company="Akka.NET Project"> | ||
| // // Copyright (C) 2009-2022 Lightbend Inc. <http://www.lightbend.com> | ||
| // // Copyright (C) 2013-2022 .NET Foundation <https://github.com/akkadotnet/akka.net> | ||
| // // </copyright> | ||
| // //----------------------------------------------------------------------- | ||
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| using System; | ||
| using System.Linq; | ||
| using System.Threading.Tasks; | ||
| using Akka.Actor; | ||
| using Akka.Configuration; | ||
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| namespace Akka.Cluster.Cpu.Benchmark | ||
| { | ||
| public class BenchmarkNode | ||
| { | ||
| private const string Address = "127.0.0.1"; | ||
| private const int BasePort = 15225; | ||
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| public static async Task<int> EntryPoint(string[] args) | ||
| { | ||
| var node = new BenchmarkNode(int.Parse(args[1])); | ||
| node.Start(); | ||
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| // wait forever until we get killed | ||
| await Task.Delay(TimeSpan.FromDays(1)); | ||
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| return 0; | ||
| } | ||
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| private readonly Config _config; | ||
| private ActorSystem _actorSystem; | ||
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| public BenchmarkNode(int nodeOffset) | ||
| { | ||
| _config = ConfigurationFactory.ParseString($@" | ||
| akka {{ | ||
| log-dead-letters = off | ||
| log-dead-letters-during-shutdown = off | ||
| actor.provider = cluster | ||
| remote {{ | ||
| # log-remote-lifecycle-events = DEBUG | ||
| dot-netty.tcp {{ | ||
| transport-class = ""Akka.Remote.Transport.DotNetty.TcpTransport, Akka.Remote"" | ||
| applied-adapters = [] | ||
| transport-protocol = tcp | ||
| hostname = ""0.0.0.0"" | ||
| public-hostname = {Address} | ||
| port = {BasePort + nodeOffset} | ||
| }} | ||
| }} | ||
| cluster {{ | ||
| seed-nodes = [""{new Address("akka.tcp", nameof(BenchmarkNode), Address, BasePort)}""] | ||
| roles = [benchmark-node] | ||
| }} | ||
| }}"); | ||
| } | ||
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| public void Start() | ||
| { | ||
| _actorSystem = ActorSystem.Create(nameof(BenchmarkNode), _config); | ||
| } | ||
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| public async Task StopAsync() | ||
| => await CoordinatedShutdown.Get(_actorSystem).Run(CoordinatedShutdown.ClrExitReason.Instance); | ||
| } | ||
| } |
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| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
| using NDesk.Options; | ||
| using Tmds.Utils; | ||
| using Universe.CpuUsage; | ||
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| namespace Akka.Cluster.Cpu.Benchmark | ||
| { | ||
| public static class Program | ||
| { | ||
| private const int DefaultSampleDuration = 5; // in seconds | ||
| private const int DefaultDelay = 5; // in seconds | ||
| private const int DefaultRepeat = 60; | ||
| private const int DefaultClusterSize = 9; | ||
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| private const int DefaultWarmUpRepeat = 5; | ||
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| private static readonly List<CpuUsage> Usages = new List<CpuUsage>(); | ||
| private static readonly List<Process> Processes = new List<Process>(); | ||
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| public static async Task<int> Main(string[] args) | ||
| { | ||
| // ExecFunction hook | ||
| if (ExecFunction.IsExecFunctionCommand(args)) | ||
| return ExecFunction.Program.Main(args); | ||
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| // Argument parsing | ||
| var sampleDuration = DefaultSampleDuration; | ||
| var delay = DefaultDelay; | ||
| var repeat = DefaultRepeat; | ||
| var clusterSize = DefaultClusterSize; | ||
| var warmUp = DefaultWarmUpRepeat; | ||
| var showHelp = false; | ||
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| var optionSet = new OptionSet() | ||
| .Add( | ||
| "d|sample-duration=", | ||
| "Sets the sample point duration in seconds. Default: 5 seconds", | ||
| s => { sampleDuration = int.Parse(s); }) | ||
| .Add( | ||
| "delay=", | ||
| "Sets the initial delay to wait for cluster to stabilize before benchmark starts in seconds. Default: 5 seconds", | ||
| s => { delay = int.Parse(s); }) | ||
| .Add( | ||
| "s|samples=", | ||
| "Sets how many samples are taken during the benchmark. Default: 60 samples", | ||
| s => { repeat = int.Parse(s); }) | ||
| .Add( | ||
| "c|cluster-size=", | ||
| "Sets how many nodes to be added to the cluster in addition to the tested node. Default: 9 nodes", | ||
| s => { clusterSize = int.Parse(s); }) | ||
| .Add( | ||
| "w|warm-up-count=", | ||
| "Sets how many blank samples to be performed as benchmark warm-up before benchmark starts. Default: 5 samples", | ||
| s => { warmUp = int.Parse(s); }) | ||
| .Add( | ||
| "h|?|help", | ||
| "Shows help", | ||
| s => { showHelp = s != null; }); | ||
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| optionSet.Parse(args); | ||
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| if (showHelp) | ||
| { | ||
| Console.WriteLine("Usage: dotnet run -c Release"); | ||
| Console.WriteLine("Usage: dotnet run -c Release -- [OPTIONS]"); | ||
| Console.WriteLine("Usage: Akka.Cluster.Cpu.Benchmark [OPTIONS]"); | ||
| Console.WriteLine("Options:"); | ||
| optionSet.WriteOptionDescriptions(Console.Out); | ||
| return 0; | ||
| } | ||
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| // Start the benchmark node | ||
| var node = new BenchmarkNode(0); | ||
| node.Start(); | ||
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| var executor = new FunctionExecutor(o => | ||
| { | ||
| o.StartInfo.RedirectStandardError = true; | ||
| o.OnExit = p => | ||
| { | ||
| if (p.ExitCode != 0) | ||
| { | ||
| var message = | ||
| "Function execution failed with exit code: " + | ||
| $"{p.ExitCode}{Environment.NewLine}{p.StandardError.ReadToEnd()}"; | ||
| throw new Exception(message); | ||
| } | ||
| }; | ||
| }); | ||
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| // Spin up cluster nodes | ||
| foreach (var portOffset in Enumerable.Range(1, clusterSize)) | ||
| { | ||
| Processes.Add(executor.Start(BenchmarkNode.EntryPoint, new [] | ||
| { | ||
| portOffset.ToString() | ||
| })); | ||
| } | ||
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| // Wait until things settles down | ||
| await Task.Delay(TimeSpan.FromSeconds(delay)); | ||
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| // Warm up | ||
| foreach (var i in Enumerable.Range(1, warmUp)) | ||
| { | ||
| var start = CpuUsage.GetByProcess(); | ||
| await Task.Delay(TimeSpan.FromSeconds(sampleDuration)); | ||
| var end = CpuUsage.GetByProcess(); | ||
| var final = end - start; | ||
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| Console.WriteLine($"{i}. [Warmup] {final}"); | ||
| } | ||
| Console.WriteLine(); | ||
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| // Start benchmark | ||
| foreach (var i in Enumerable.Range(1, repeat)) | ||
| { | ||
| var start = CpuUsage.GetByProcess(); | ||
| await Task.Delay(TimeSpan.FromSeconds(sampleDuration)); | ||
| var end = CpuUsage.GetByProcess(); | ||
| var final = end - start; | ||
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| Console.WriteLine($"{i}. Cpu Usage: {final}"); | ||
| Usages.Add(final.Value); | ||
| } | ||
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| // Kill cluster node processes | ||
| foreach (var process in Processes) | ||
| { | ||
| process.Kill(); | ||
| process.Dispose(); | ||
| } | ||
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| // Stop benchmark node | ||
| await node.StopAsync(); | ||
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| // Generate csv report | ||
| var now = DateTime.Now; | ||
| var sb = new StringBuilder(); | ||
| sb.AppendLine($"CPU Benchmark {now}"); | ||
| sb.AppendLine($"Sample Time,{sampleDuration},second(s)"); | ||
| sb.AppendLine($"Sample points,{repeat}"); | ||
| sb.AppendLine($"Cluster size,{clusterSize},node(s)"); | ||
| sb.AppendLine("Sample time,User usage,User percent,Kernel usage,Kernel percent,Total usage,Total percent"); | ||
| foreach (var iter in Enumerable.Range(1, repeat)) | ||
| { | ||
| var usage = Usages[iter - 1]; | ||
| var user = usage.UserUsage.TotalSeconds; | ||
| var kernel = usage.KernelUsage.TotalSeconds; | ||
| var total = usage.TotalMicroSeconds / 1000000.0; | ||
| sb.AppendLine($"{iter * sampleDuration},{user},{(user/sampleDuration)*100},{kernel},{(kernel/sampleDuration)*100},{total},{(total/sampleDuration)*100}"); | ||
| } | ||
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| await File.WriteAllTextAsync($"CpuBenchmark_{now.ToFileTime()}.csv", sb.ToString()); | ||
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| // Generate console report | ||
| sb.Clear(); | ||
| sb.AppendLine("CPU Benchmark complete."); | ||
| sb.AppendLine(); | ||
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| sb.AppendLine() | ||
| .AppendLine(" CPU Usage Mode | Mean | StdErr | StdDev | Median | Maximum |") | ||
| .AppendLine("--------------- |----- |------- |------- |------- |-------- |") | ||
| .AppendLine(CalculateResult(Usages.Select(u => u.UserUsage.TotalMicroSeconds), "User")) | ||
| .AppendLine(CalculateResult(Usages.Select(u => u.KernelUsage.TotalMicroSeconds), "Kernel")) | ||
| .AppendLine(CalculateResult(Usages.Select(u => u.TotalMicroSeconds), "Total")); | ||
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| Console.WriteLine(sb.ToString()); | ||
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| return 0; | ||
| } | ||
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| private static string CalculateResult(IEnumerable<long> values, string name) | ||
| { | ||
| var times = values.OrderBy(i => i).ToArray(); | ||
| var medianIndex = times.Length / 2; | ||
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| var mean = times.Average(); | ||
| var stdDev = Math.Sqrt(times.Average(v => Math.Pow(v - mean, 2))); | ||
| var stdErr = stdDev / Math.Sqrt(times.Length); | ||
| double median; | ||
| if (times.Length % 2 == 0) | ||
| median = (times[medianIndex - 1] + times[medianIndex]) / 2.0; | ||
| else | ||
| median = times[medianIndex]; | ||
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| return $" {name} | {(mean / 1000.0):N3} ms | {(stdErr / 1000.0):N3} ms | {(stdDev / 1000.0):N3} ms | {(median / 1000.0):N3} ms | {(times.Last() / 1000.0):N3} ms |"; | ||
| } | ||
| } | ||
| } | ||
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| # Akka.Cluster.Cpu.Benchmark | ||
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| This project is a standalone console CPU benchmark to measure Akka.Cluster actors CPU usage. It will: | ||
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| * Spin up a single bare minimum cluster node as a seed node, | ||
| * Spins up a cluster with a predetermined size that uses that node as seed, and then | ||
| * Collect CPU usage at regular interval and save the result in a comma separated value (.csv) file that can be imported into a spreadsheet application. | ||
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| ## Usage | ||
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| To run this project directly using .NET CLI, use one of the following commands: | ||
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| ```powershell | ||
| dotnet run -c Release | ||
| dotnet run -c Release -- [OPTIONS] | ||
| ``` | ||
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| To run this as a standalone compiled executable, use one of the following commands: | ||
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| ```powershell | ||
| ./Akka.Cluster.Cpu.Benchmark.exe [OPTIONS] | ||
| dotnet run Akka.Cluster.Cpu.Benchmark.dll | ||
| dotnet run Akka.Cluster.Cpu.Benchmark.dll -- [OPTIONS] | ||
| ``` | ||
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| ## Options | ||
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| | Option | Description | | ||
| |-----------------------------|--------------------------------------------------------------------------------------------------------------------| | ||
| | -d, --sample-duration=VALUE | Sets the sample point duration in seconds.<br/>Default: 5 seconds | | ||
| | --delay=VALUE | Sets the initial delay to wait for cluster to stabilize before benchmark starts in seconds.<br/>Default: 5 seconds | | ||
| | -s, --samples=VALUE | Sets how many samples are taken during the benchmark.<br/>Default: 60 samples | | ||
| | -c, --cluster-size=VALUE | Sets how many nodes to be added to the cluster in addition to the tested node.<br/>Default: 9 nodes | | ||
| | -w, --warm-up-count=VALUE | Sets how many blank samples to be performed as benchmark warm-up before benchmark starts.<br/>Default: 5 samples | | ||
| | -h, -?, --help | Shows help | | ||
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