static void Main(string[] args)
{
Console.WriteLine("WRK2 Client");
Console.WriteLine("args: " + String.Join(' ', args));
Process.Start("chmod", "+x " + Wrk2Filename);
// Dowe need to parse latency?
var parseLatency = args.Any(x => x == "--latency" || x == "-L");
var process = new Process()
{
StartInfo =
{
FileName = Wrk2Filename,
Arguments = String.Join(' ', args),
RedirectStandardOutput = true,
UseShellExecute = false,
},
EnableRaisingEvents = true
};
var stringBuilder = new StringBuilder();
process.OutputDataReceived += (_, e) =>
{
if (e != null && e.Data != null)
{
stringBuilder.AppendLine(e.Data);
}
};
process.Start();
process.BeginOutputReadLine();
process.WaitForExit();
var output = stringBuilder.ToString();
Console.WriteLine(output);
BenchmarksEventSource.Log.Metadata("wrk2/requests", "max", "sum", "Requests", "Total number of requests", "n0");
BenchmarksEventSource.Log.Metadata("wrk2/latency/mean", "max", "sum", "Mean latency (ms)", "Mean latency (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/max", "max", "sum", "Max latency (ms)", "Max latency (ms)", "n2");
var rpsMatch = Regex.Match(output, @"Requests/sec:\s*([\d\.]*)");
if (rpsMatch.Success && rpsMatch.Groups.Count == 2)
{
BenchmarksEventSource.Measure("wrk2/rps", double.Parse(rpsMatch.Groups[1].Value));
}
const string LatencyPattern = @"\s+{0}\s*([\d\.]+)([a-z]+)";
var avgLatencyMatch = Regex.Match(output, String.Format(LatencyPattern, "Latency"));
BenchmarksEventSource.Measure("wrk2/latency/mean", ReadLatency(avgLatencyMatch));
// Max latency is 3rd number after "Latency "
var maxLatencyMatch = Regex.Match(output, @"\s+Latency\s+[\d\.]+\w+\s+[\d\.]+\w+\s+([\d\.]+)(\w+)");
BenchmarksEventSource.Measure("wrk2/latency/max", ReadLatency(maxLatencyMatch));
var requestsCountMatch = Regex.Match(output, @"([\d\.]*) requests in ([\d\.]*)(\w*)");
BenchmarksEventSource.Measure("wrk2/requests", ReadRequests(requestsCountMatch));
if (parseLatency)
{
BenchmarksEventSource.Log.Metadata("wrk2/latency/50", "max", "avg", "Latency 50th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/75", "max", "avg", "Latency 75th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/90", "max", "avg", "Latency 90th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/99", "max", "avg", "Latency 99th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/99.9", "max", "avg", "Latency 99.9th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/99.99", "max", "avg", "Latency 99.99th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/99.999", "max", "avg", "Latency 99.999th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/100", "max", "avg", "Latency 100th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/distribution", "all", "all", "Latency distribution", "Latency distribution", "json");
BenchmarksEventSource.Measure("wrk2/latency/50", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "50\\.000%"))));
BenchmarksEventSource.Measure("wrk2/latency/75", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "75\\.000%"))));
BenchmarksEventSource.Measure("wrk2/latency/90", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "90\\.000%"))));
BenchmarksEventSource.Measure("wrk2/latency/99", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "99\\.000%"))));
BenchmarksEventSource.Measure("wrk2/latency/99.9", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "99\\.900%"))));
BenchmarksEventSource.Measure("wrk2/latency/99.99", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "99\\.990%"))));
BenchmarksEventSource.Measure("wrk2/latency/99.999", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "99\\.999%"))));
BenchmarksEventSource.Measure("wrk2/latency/100", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "100\\.000%"))));
using (var sr = new StringReader(output))
{
var line = "";
do
{
line = sr.ReadLine();
} while (line != null && !line.Contains("Detailed Percentile spectrum:"));
var doc = new JArray();
if (line != null)
{
sr.ReadLine();
sr.ReadLine();
line = sr.ReadLine();
while (line != null && !line.StartsWith("#"))
{
Console.WriteLine("Analyzing: " + line);
var values = line.Split(' ', StringSplitOptions.RemoveEmptyEntries);
doc.Add(
new JObject(
new JProperty("latency_us", decimal.Parse(values[0], CultureInfo.InvariantCulture)),
new JProperty("count", decimal.Parse(values[2], CultureInfo.InvariantCulture)),
new JProperty("percentile", decimal.Parse(values[1], CultureInfo.InvariantCulture))
));
line = sr.ReadLine();
}
}
BenchmarksEventSource.Measure("wrk2/latency/distribution", doc.ToString());
}
}
}
static void Main(string[] args)
{
Console.WriteLine("WRK2 Client");
Console.WriteLine("args: " + String.Join(' ', args));
Process.Start("chmod", "+x " + Wrk2Filename);
// Do we need to parse latency?
var parseLatency = args.Any(x => x == "--latency" || x == "-L");
// Extracting duration parameters
string warmup = "";
string duration = "";
var argsList = args.ToList();
var durationIndex = argsList.FindIndex(x => String.Equals(x, "-d", StringComparison.OrdinalIgnoreCase));
if (durationIndex >= 0)
{
duration = argsList[durationIndex + 1];
argsList.RemoveAt(durationIndex);
argsList.RemoveAt(durationIndex);
}
else
{
Console.WriteLine("Couldn't find -d argument");
return;
}
var warmupIndex = argsList.FindIndex(x => String.Equals(x, "-w", StringComparison.OrdinalIgnoreCase));
if (warmupIndex >= 0)
{
warmup = argsList[warmupIndex + 1];
argsList.RemoveAt(warmupIndex);
argsList.RemoveAt(warmupIndex);
}
args = argsList.ToArray();
var baseArguments = String.Join(' ', args.ToArray());
var process = new Process()
{
StartInfo =
{
FileName = Wrk2Filename,
RedirectStandardOutput = true,
UseShellExecute = false,
},
EnableRaisingEvents = true
};
var stringBuilder = new StringBuilder();
process.OutputDataReceived += (_, e) =>
{
if (e != null && e.Data != null)
{
Console.WriteLine(e.Data);
lock (stringBuilder)
{
stringBuilder.AppendLine(e.Data);
}
}
};
// Warmup
if (!String.IsNullOrEmpty(warmup) && warmup != "0s")
{
process.StartInfo.Arguments = $" -d {warmup} {baseArguments}";
Console.WriteLine("> wrk2 " + process.StartInfo.Arguments);
process.Start();
process.WaitForExit();
}
lock (stringBuilder)
{
stringBuilder.Clear();
}
process.StartInfo.Arguments = $" -d {duration} {baseArguments}";
Console.WriteLine("> wrk2 " + process.StartInfo.Arguments);
process.Start();
BenchmarksEventSource.SetChildProcessId(process.Id);
process.BeginOutputReadLine();
process.WaitForExit();
string output;
lock (stringBuilder)
{
output = stringBuilder.ToString();
}
BenchmarksEventSource.Log.Metadata("wrk2/rps/mean", "max", "sum", "Requests/sec", "Requests per second", "n0");
BenchmarksEventSource.Log.Metadata("wrk2/requests", "max", "sum", "Requests", "Total number of requests", "n0");
BenchmarksEventSource.Log.Metadata("wrk2/latency/mean", "max", "sum", "Mean latency (ms)", "Mean latency (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/max", "max", "sum", "Max latency (ms)", "Max latency (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/errors/badresponses", "max", "sum", "Bad responses", "Non-2xx or 3xx responses", "n0");
BenchmarksEventSource.Log.Metadata("wrk2/errors/socketerrors", "max", "sum", "Socket errors", "Socket errors", "n0");
var rpsMatch = Regex.Match(output, @"Requests/sec:\s*([\d\.]*)");
if (rpsMatch.Success && rpsMatch.Groups.Count == 2)
{
BenchmarksEventSource.Measure("wrk2/rps/mean", double.Parse(rpsMatch.Groups[1].Value));
}
const string LatencyPattern = @"\s+{0}\s*([\d\.]+)([a-z]+)";
var avgLatencyMatch = Regex.Match(output, String.Format(LatencyPattern, "Latency"));
BenchmarksEventSource.Measure("wrk2/latency/mean", ReadLatency(avgLatencyMatch));
// Max latency is 3rd number after "Latency "
var maxLatencyMatch = Regex.Match(output, @"\s+Latency\s+[\d\.]+\w+\s+[\d\.]+\w+\s+([\d\.]+)(\w+)");
BenchmarksEventSource.Measure("wrk2/latency/max", ReadLatency(maxLatencyMatch));
var requestsCountMatch = Regex.Match(output, @"([\d\.]*) requests in ([\d\.]*)(\w*)");
BenchmarksEventSource.Measure("wrk2/requests", ReadRequests(requestsCountMatch));
var badResponsesMatch = Regex.Match(output, @"Non-2xx or 3xx responses: ([\d\.]*)");
BenchmarksEventSource.Measure("wrk2/errors/badresponses", ReadBadReponses(badResponsesMatch));
var socketErrorsMatch = Regex.Match(output, @"Socket errors: connect ([\d\.]*), read ([\d\.]*), write ([\d\.]*), timeout ([\d\.]*)");
BenchmarksEventSource.Measure("wrk2/errors/socketerrors", CountSocketErrors(socketErrorsMatch));
if (parseLatency)
{
BenchmarksEventSource.Log.Metadata("wrk2/latency/50", "max", "avg", "Latency 50th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/75", "max", "avg", "Latency 75th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/90", "max", "avg", "Latency 90th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/99", "max", "avg", "Latency 99th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/99.9", "max", "avg", "Latency 99.9th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/99.99", "max", "avg", "Latency 99.99th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/99.999", "max", "avg", "Latency 99.999th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/100", "max", "avg", "Latency 100th (ms)", "Latency 50th (ms)", "n2");
BenchmarksEventSource.Log.Metadata("wrk2/latency/distribution", "all", "all", "Latency distribution", "Latency distribution", "json");
BenchmarksEventSource.Measure("wrk2/latency/50", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "50\\.000%"))));
BenchmarksEventSource.Measure("wrk2/latency/75", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "75\\.000%"))));
BenchmarksEventSource.Measure("wrk2/latency/90", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "90\\.000%"))));
BenchmarksEventSource.Measure("wrk2/latency/99", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "99\\.000%"))));
BenchmarksEventSource.Measure("wrk2/latency/99.9", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "99\\.900%"))));
BenchmarksEventSource.Measure("wrk2/latency/99.99", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "99\\.990%"))));
BenchmarksEventSource.Measure("wrk2/latency/99.999", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "99\\.999%"))));
BenchmarksEventSource.Measure("wrk2/latency/100", ReadLatency(Regex.Match(output, String.Format(LatencyPattern, "100\\.000%"))));
using (var sr = new StringReader(output))
{
var line = "";
do
{
line = sr.ReadLine();
} while (line != null && !line.Contains("Detailed Percentile spectrum:"));
var doc = new JArray();
if (line != null)
{
sr.ReadLine();
sr.ReadLine();
line = sr.ReadLine();
while (line != null && !line.StartsWith("#"))
{
Console.WriteLine("Analyzing: " + line);
var values = line.Split(' ', StringSplitOptions.RemoveEmptyEntries);
doc.Add(
new JObject(
new JProperty("latency_us", decimal.Parse(values[0], CultureInfo.InvariantCulture)),
new JProperty("count", decimal.Parse(values[2], CultureInfo.InvariantCulture)),
new JProperty("percentile", decimal.Parse(values[1], CultureInfo.InvariantCulture))
));
line = sr.ReadLine();
}
}
BenchmarksEventSource.Measure("wrk2/latency/distribution", doc.ToString());
}
}
}
