Profiler.hpp

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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
#pragma once
#endif
#ifndef COMMON_PROFILER_H_
#define COMMON_PROFILER_H_

#include <stack> // :(

namespace common
{


class Profiler;

class ProfilerItem
{
private:
        // Sumaryczny czas wykonania [s]
        double m_Time;
        // Liczba przebiegów
        double m_Count;
        // Czas rozpoczęcia bieżącego przebiegu [s]
        double m_StartTime;
        tstring m_strName; // Nazwa elementu
        std::vector<ProfilerItem> m_ItemVector; // Podelementy

        friend class Profiler;
                ProfilerItem* Begin(const tstring &Name);
                void Start();
                void Stop();
public:
        ProfilerItem(const tstring &Name);

        const tstring &GetName() { return m_strName; }
        bool Empty() { return (around(m_Count, 0.1)); }
        double GetCount() { return m_Count; }
        double GetAvgTime() { return ( Empty() ? 0.0 : m_Time / m_Count ); }
        size_t GetItemCount() { return m_ItemVector.size(); }
        ProfilerItem* GetItem(size_t index) { return &m_ItemVector[index]; }
        void FormatString(tstring *S, unsigned dwLevel);
};

class Profiler
{
private:
        std::stack<ProfilerItem*> m_ItemStack;
        ProfilerItem m_DefaultItem;

public:
        Profiler();
        Profiler(const tstring &Name);
        void Begin(const tstring &Name);
        void End();
        ProfilerItem* GetRootItem() { return &m_DefaultItem; }

        void FormatString(tstring *S);
};


class Profile
{
private:
        Profiler &m_Profiler;
public:
        Profile(const tstring &Name);
        Profile(const tstring &Name, Profiler &Profiler_);
        ~Profile();
};

extern Profiler g_Profiler;

// code_profiler

} // namespace common

#define PROFILE_GUARD(Name) common::Profile __profile_guard_object(Name);


#endif

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