/home/brandes/workspace/LAMA/src/lama/tracing/LAMASimpleTimeTracer.hpp

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#ifndef LAMA_LAMASIMPLETIMETRACER_HPP_
#define LAMA_LAMASIMPLETIMETRACER_HPP_

// for dll_import
#include <lama/config.hpp>

// base classes
#include <lama/tracing/LAMABaseTracer.hpp>

#include <list>
#include <string>
#include <boost/thread/mutex.hpp>
#include <omp.h>

class LAMASimpleTimeTracer : public LAMABaseTracer
{
public:

    inline LAMASimpleTimeTracer(const char* name, const char* file, int lno);

    inline ~LAMASimpleTimeTracer();

    /* be careful this is the spentLastTime since the last call of this function, */
    /* not only the one of the last function call */
    static double spentLast( const char* name ) ;

    static void printTimer();

private:

    static std::list<std::pair<std::string,double> > timerList;

    static boost::mutex access_mutex;  // needed to make time thread-safe

    const std::string mName;

    double mStopTime;

    const double mStartTime;  // mStartTime should be initialized last
};

inline LAMASimpleTimeTracer::LAMASimpleTimeTracer(const char* name, const char* /*file*/, int /*lno*/)
    : mName(name), mStopTime(0.0), mStartTime( omp_get_wtime() )
{
}

inline LAMASimpleTimeTracer::~LAMASimpleTimeTracer()
{
    mStopTime = omp_get_wtime();

    double runTime = mStopTime - mStartTime;
    if ( getRuntime() > 0.0 )
    {
        runTime = getRuntime();
    }

    std::pair<std::string,double> value = std::make_pair( mName, runTime );
    {
        boost::mutex::scoped_lock scoped_lock( access_mutex );
        timerList.push_back( value );
    }
}

#endif // LAMA_LAMASIMPLETIMETRACER_HPP_