MRTimer.h

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#pragma once
 
#include "MRMeshFwd.h"
#include "MRPch/MRBindingMacros.h"
#include <chrono>
#include <string>
 
namespace MR
{

 
struct TimeRecord;
 
class MR_BIND_IGNORE Timer
{
public:
    Timer( std::string name ) { start( std::move( name ) ); }
    Timer( const char * name ) { start( name ); }
    ~Timer() { finish(); }
 
    MRMESH_API void restart( std::string name );
    MRMESH_API void start( std::string name );
    MRMESH_API void start( const char * name );
    MRMESH_API void finish();
 
    Timer( const Timer & ) = delete;
    Timer & operator =( const Timer & ) = delete;
    Timer( Timer && ) = delete;
    Timer & operator =( Timer && ) = delete;
 
    std::chrono::duration<double> secondsPassed() const { return std::chrono::high_resolution_clock::now() - start_; }
 
private:
    std::chrono::time_point<std::chrono::high_resolution_clock> start_;
    bool started_{ false };
};

MRMESH_API void printTimingTreeAtEnd( bool on, double minTimeSec = 0.1 );

MRMESH_API void printCurrentTimerBranch();

MRMESH_API void printTimingTree( double minTimeSec = 0.1 );

 
}
 
#ifdef __GNUC__ 
#define MR_TIMER MR::Timer _timer( __PRETTY_FUNCTION__ )
#else
#define MR_TIMER MR::Timer _timer( __FUNCTION__ )
#endif
#define MR_NAMED_TIMER(name) MR::Timer _named_timer( name )