PreciseMeasurementParameters.h

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#pragma once
 
#include <cstdint>
#include <vector>
#include <KttPlatform.h>
#include <KttTypes.h>
 
namespace ktt
{
 
enum class KTT_API DurationCalculationMethod
{
    Minimum,
    Median,
    Average
};
 
struct KTT_API DurationMeasurementResult
{
    Nanoseconds duration;
    double standardDeviation;
    size_t sampleCount;
};
 
struct KTT_API PreciseMeasurementParameters
{
    uint64_t minTimeMs;
 
    uint64_t maxTimeMs;
 
    double maxPowerDiff;
 
    DurationCalculationMethod durationCalculationMethod;
 
    PreciseMeasurementParameters();
 
    PreciseMeasurementParameters(uint64_t minTimeMs, uint64_t maxTimeMs, double maxPowerDiff,
        DurationCalculationMethod durationCalculationMethod = DurationCalculationMethod::Minimum);
 
    bool IsValid() const;
 
    static Nanoseconds CalculateDuration(const std::vector<Nanoseconds>& samples,
        DurationCalculationMethod method);
 
    static double CalculateStandardDeviation(const std::vector<Nanoseconds>& samples);
 
    static DurationMeasurementResult ComputeDurationAndStdev(const std::vector<Nanoseconds>& samples,
        DurationCalculationMethod method);
};
 
} // namespace ktt