simpleprofiler.h

Go to the documentation of this file.

#pragma once

//#include "config.h"

#include <QString>
#include <QStack>
#include <QMap>


namespace edbee {

#ifdef CONFIG_PROFILE

#define PROF_BEGIN \
    SimpleProfiler::instance()->begin( __FILE__, __LINE__, __func__, 0 );

#define PROF_END \
    SimpleProfiler::instance()->end();

#define PROF_BEGIN_NAMED(name) \
    SimpleProfiler::instance()->begin( __FILE__, __LINE__, __func__, name );

#else
#define PROF_BEGIN
#define PROF_END
#define PROF_BEGIN_NAMED(name)
#endif



class SimpleProfiler
{

public:

    static SimpleProfiler* instance();


    class ProfilerItem {
    public:
        ProfilerItem( const char* filename, int line, const char* function, const char* name );
        const char* filename() const { return filename_; }
        int line() const { return line_; }
        const char* function() const { return function_; }
        const char* name() const { return name_; }
        int callCount() const { return callCount_; }
        qint64 duration() const { return duration_; }
        qint64 childDuration() const { return childDuration_; }
        qint64 durationWithoutChilds() const { return duration_ - childDuration_; }

        void incCallCount() { ++callCount_; }
        void addDuration( qint64 duration ) { duration_ += duration; }
        void addChildDuration( qint64 duration ) { childDuration_ += duration; }

    protected:
        const char* filename_;      
        int line_;                  
        const char* function_;      
        const char* name_;          

        int callCount_;             
        qint64 duration_;           
        qint64 childDuration_;      
    };

    struct ProfileStackItem {
        ProfilerItem* item;
        qint64 startTime;
    };



    SimpleProfiler();
    virtual ~SimpleProfiler();


    void begin( const char* file, int line, const char* function, const char* name );
    void end();

    void dumpResults();


protected:

    QMap<QString,ProfilerItem*> statsMap_;   
    QStack<ProfileStackItem> stack_;         
};



} // edbee