Profiling.h

// $Id: Profiling.h 21 2010-09-05 04:18:17Z cschwarz1 $

#ifndef BASE_PROFILING_H
#define BASE_PROFILING_H

#include <iostream>
#include <map>
#include "String.h"
#include "Timer.h"

namespace base {

    class PPBASE_EXPORT Profiling: public Timer {
    public:
        template<class TO> void dump(TO &out) {
            std::map<String, std::pair<unsigned, u_longlong_t> >::const_iterator i;
            unsigned                                                                  ms;
            u_longlong_t                                                              ticks;

            for (i = _tasks.begin(), ticks = 0; i != _tasks.end(); i++) {
                ms = getMilliSecondsFromTicks(i->second.second);
                out << i->first << ' ' << i->second.first << '/' << ms << "ms, "
                    << (i->second.first ? static_cast<float>(ms) / i->second.first : 0.0f)
                    << "ms per item" << std::endl;
                ticks += i->second.second;
            }
            out << "total: " << getMilliSecondsFromTicks(ticks) << "ms" << std::endl;
        }


        const std::map<String, std::pair<unsigned, u_longlong_t> > &getTasks() const;

        void start();


        void stop(const char *name, unsigned count = 1);

    private:
        std::map<String, std::pair<unsigned, u_longlong_t> > _tasks;
    };
}

#endif