public static void IoTest(PerformanceTestRequest request)
{
var tester = new DiskPerformanceTester(request, Console.WriteLine);
tester.DescribeTestParameters();
tester.TestDiskIO();
var result = tester.Result;
var hasReads = request.OperationType == OperationType.Read || request.OperationType == OperationType.Mix;
var hasWrites = request.OperationType == OperationType.Write || request.OperationType == OperationType.Mix;
if (hasReads)
{
var sb = new StringBuilder();
sb.AppendLine(string.Format("Total read: {0}", SizeHelper.Humane(result.TotalRead)));
sb.AppendLine(string.Format("Average read: {0}/s", SizeHelper.Humane(result.TotalRead / request.TimeToRunInSeconds)));
sb.AppendLine("Read latency");
sb.AppendLine(string.Format("\tMin: {0:#,#.##;;0}", result.ReadLatency.Min));
sb.AppendLine(string.Format("\tMean: {0:#,#.##;;0}", result.ReadLatency.Mean));
sb.AppendLine(string.Format("\tMax: {0:#,#.##;;0}", result.ReadLatency.Max));
sb.AppendLine(string.Format("\tStdev: {0:#,#.##;;0}", result.ReadLatency.Stdev));
sb.AppendLine("Read latency percentiles");
foreach (var percentile in result.ReadLatency.Percentiles)
{
sb.AppendLine(string.Format("\t{0}: {1:#,#.##;;0}", percentile.Key, percentile.Value));
}
sb.AppendLine();
Console.WriteLine(sb.ToString());
}
if (hasWrites)
{
var sb = new StringBuilder();
sb.AppendLine(string.Format("Total write: {0}", SizeHelper.Humane(result.TotalWrite)));
sb.AppendLine(string.Format("Average write: {0}/s", SizeHelper.Humane(result.TotalWrite / request.TimeToRunInSeconds)));
sb.AppendLine("Write latency");
sb.AppendLine(string.Format("\tMin: {0:#,#.##;;0}", result.WriteLatency.Min));
sb.AppendLine(string.Format("\tMean: {0:#,#.##;;0}", result.WriteLatency.Mean));
sb.AppendLine(string.Format("\tMax: {0:#,#.##;;0}", result.WriteLatency.Max));
sb.AppendLine(string.Format("\tStdev: {0:#,#.##;;0}", result.WriteLatency.Stdev));
sb.AppendLine("Write latency percentiles");
foreach (var percentile in result.WriteLatency.Percentiles)
{
sb.AppendLine(string.Format("\t{0}: {1:#,#.##;;0}", percentile.Key, percentile.Value));
}
sb.AppendLine();
Console.WriteLine(sb.ToString());
}
}
