AuroraRuntime/Source/HWInfo/AuCpuLoadSampler.hpp

/***
    Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: CpuLoadSampler.hpp
    Date: 2023-10-28
    Author: Reece
***/
#pragma once

namespace Aurora::HWInfo
{
    struct CpuLoadSamplerState
    {
        double GetLoad(AuUInt32 uMinSamplePeriod, bool bThread, bool bCountKernelUsage);

        AuUInt64 uPrevTimes[2] {};
        double dPrevLoad {};
        bool bSet {};
    };

    struct CpuLoadSamplerImpl : ICpuLoadSampler
    {
        CpuLoadSamplerImpl(AuUInt32 uMinSamplePeriodMS,
                           bool bThreadMode,
                           bool bCountKernelUsage);

        ~CpuLoadSamplerImpl();

        double GetLoad() override;

        AuUInt32 uMinSamplePeriod {};
        bool bThreadMode {};
        bool bCountKernelUsage {};
        CpuLoadSamplerState processState;
        AuTLSVariable<CpuLoadSamplerState> threadState;
    };
}