public int Run()
{
// Result file
DiskSpeedResultFile resultFile = new DiskSpeedResultFile(Config.ResultFile);
ConsoleEx.WriteLine($"Writing results to : \"{resultFile.FileName}\"");
resultFile.WriteHeader();
// Set the test config
DiskSpeedRun testRun = new DiskSpeedRun();
testRun.AddTestTargets(Config.Targets, Config.TargetSize);
testRun.AddTestBlockRange(Config.BlockSizeBegin, Config.BlockSizeEnd, Config.WarmupTime, Config.TestTime);
// Estimated time to complete
int totalIterations = testRun.TestTargets.Count * testRun.TestParameters.Count;
int remainingSeconds = testRun.TestParameters.Sum(parameter => parameter.WarmupTime + parameter.TestTime) * testRun.TestTargets.Count + (totalIterations - 1) * Config.RestTime;
ConsoleEx.WriteLine($"Running {totalIterations} iterations, {remainingSeconds} seconds, estimated to complete by {DateTime.Now + TimeSpan.FromSeconds(remainingSeconds)}");
ConsoleEx.WriteLine("");
// Run all tests
int result = 0;
int iteration = 0;
foreach (DiskSpeedTarget testTarget in testRun.TestTargets)
{
// Reuse the existing file, or create a new file file
bool targetCreated = false;
if (testTarget.DoesTargetExist())
{
ConsoleEx.WriteLine($"Using existing test file : {testTarget.FileName} ({Format.BytesToKibi(testTarget.FileSize)})");
}
else
{
ConsoleEx.WriteLine($"Creating new test file : {testTarget.FileName} ({Format.BytesToKibi(testTarget.FileSize)})");
if (!testTarget.CreateTarget())
{
ConsoleEx.WriteLineError($"Failed to create test file : {testTarget.FileName}");
ConsoleEx.WriteLine("");
// Try the next target
result = -1;
continue;
}
targetCreated = true;
}
ConsoleEx.WriteLine("");
// Run all tests against target
foreach (DiskSpeedParameter testParameter in testRun.TestParameters)
{
// Calculate test times
iteration++;
int thisTestTime = testParameter.WarmupTime + testParameter.TestTime + (iteration > 1 ? Config.RestTime : 0);
remainingSeconds -= thisTestTime;
ConsoleEx.WriteLine($"Running test {iteration} of {totalIterations}, " +
$"iteration to complete by {DateTime.Now + TimeSpan.FromSeconds(thisTestTime)}, " +
$"remaining tests to complete by {DateTime.Now + TimeSpan.FromSeconds(remainingSeconds + thisTestTime)}");
// Sleep between tests and between file creation and test
// This may be required if the target file is in use after a test
if (Config.RestTime > 0 &&
(iteration > 1 || targetCreated))
{
// TODO : Add Ctrl-C handler so that we can break the test during wait
ConsoleEx.WriteLine($"Resting for {Config.RestTime} seconds...");
Task.Delay(Config.RestTime * 1000).Wait();
}
// Run test
if (!DiskSpeedRun.RunTest(testTarget, testParameter, out DiskSpeedResult testResult))
{
resultFile.AddFailedResult(testTarget, testParameter);
ConsoleEx.WriteLineError("Failed to run test");
ConsoleEx.WriteLine("");
// Try the next test
result = -1;
continue;
}
// Report test results
resultFile.AddResult(testTarget, testParameter, testResult);
ConsoleEx.WriteLine($"{testTarget.FileName} : {testResult.BytesPerSec / Format.MiB:n} MiB/s, {testResult.IosPerSec:n} IO/s");
ConsoleEx.WriteLine("");
}
}
return(result);
}