public static int RunSpeedTest(DiskSpeedTarget target, DiskSpeedParameter parameter, out string xml)
{
// https://github.com/microsoft/diskspd/wiki/Command-line-and-parameters
string commands = $"-z -Zr -w{parameter.WriteRatio} -b{parameter.BlockSize} -F{parameter.ThreadCount} -o{parameter.OutstandingOperations} -W{parameter.WarmupTime} -d{parameter.TestTime} -r -Rxml";
// Disable remote caching on file shares
if (target.FileName.StartsWith(@"\\", StringComparison.InvariantCulture))
{
commands += " -Srw";
}
// E.g.
// diskspd -z -Zr -w50 -b512K -F2 -r -o8 -W60 -d120 -Srw -Rtext \\storage\testcache\testfile64g.dat > d:\diskspd_unraid_cache.txt
return(ExecDiskSpd($"{commands} {target.FileName}", out xml));
}
public void AddFailedResult(DiskSpeedTarget testTarget, DiskSpeedParameter testParameter)
{
if (testTarget == null)
{
throw new ArgumentNullException(nameof(testTarget));
}
if (testParameter == null)
{
throw new ArgumentNullException(nameof(testParameter));
}
// Add a result line
string result = $"{DateTime.UtcNow:s},\"{testTarget.FileName}\",{testTarget.FileSize},{testParameter.BlockSizeString}" +
$",{testParameter.WriteRatioString},{testParameter.ThreadCount},{testParameter.OutstandingOperations}" +
$",{testParameter.WarmupTime},0,0,0";
File.AppendAllText(FileName, result + Environment.NewLine);
}
public static bool RunTest(DiskSpeedTarget testTarget, DiskSpeedParameter testParameter, out DiskSpeedResult testResult)
{
if (testTarget == null)
{
throw new ArgumentNullException(nameof(testTarget));
}
if (testParameter == null)
{
throw new ArgumentNullException(nameof(testParameter));
}
testResult = new DiskSpeedResult();
if (DiskSpeedTool.RunSpeedTest(testTarget, testParameter, out string xml) != 0)
{
return(false);
}
// Parse results
testResult.FromXml(xml);
return(true);
}
public static int CreateTestTarget(DiskSpeedTarget target)
{
// E.g.
// diskspd.exe -c64G \\storage\testcache\testfile64g.dat
return(ExecDiskSpd($"-c{target.FileSize} {target.FileName}", out string _));
}