private void AutoTest(Frequency clockFrequency, TimeInterval operationTime, double maxStdErrRelative, long minInvokeCount)
{
var job = new Job
{
Infrastructure = { Clock = new MockClock(clockFrequency) },
Accuracy = { MaxStdErrRelative = maxStdErrRelative }
}.Freeze();
var stage = CreateStage(job, data => data.InvokeCount * operationTime);
long invokeCount = stage.Run();
output.WriteLine($"InvokeCount = {invokeCount} (Min= {minInvokeCount}, Max = {MaxPossibleInvokeCount})");
Assert.InRange(invokeCount, minInvokeCount, MaxPossibleInvokeCount);
}
public static HardwareTimerKind GetHardwareTimerKind(Frequency frequency)
{
long freqKHz = (long)Math.Round(frequency / Frequency.KHz);
if (14300 <= freqKHz && freqKHz <= 14400)
return HardwareTimerKind.Hpet;
if (3579500 <= frequency && frequency <= 3579600)
return HardwareTimerKind.Acpi;
if (freqKHz == 10000)
return HardwareTimerKind.Unknown;
if (5 <= freqKHz && freqKHz < 4000)
return HardwareTimerKind.Tsc;
if (freqKHz <= 4)
return HardwareTimerKind.System;
return HardwareTimerKind.Unknown;
}
public ClockSpan(long startTimestamp, long endTimestamp, Frequency frequency)
{
StartTimestamp = startTimestamp;
EndTimestamp = endTimestamp;
Frequency = frequency;
}
public MockClock(Frequency frequency)
{
Frequency = frequency;
}