MRTimeRecord.h

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#pragma once
 
#include "MRMeshFwd.h"
#include "MRLog.h"
#include <chrono>
#include <map>
#include <string>
 
namespace MR
{
 
 
struct SimpleTimeRecord
{
    int count = 0;
    std::chrono::nanoseconds time = {};
    double seconds() const { return time.count() * 1e-9; }
};
 
struct TimeRecord : SimpleTimeRecord
{
    TimeRecord* parent = nullptr;
    std::map<std::string, TimeRecord> children;
 
    // returns summed time of immediate children
    MRMESH_API std::chrono::nanoseconds childTime() const;
    std::chrono::nanoseconds myTime() const { return time - childTime(); }
 
    double mySeconds() const { return myTime().count() * 1e-9; }
};
 
struct ThreadRootTimeRecord : TimeRecord
{
    const char * threadName = nullptr;
    std::chrono::time_point<std::chrono::high_resolution_clock> started = std::chrono::high_resolution_clock::now();
    bool printTreeInDtor = true;
    double minTimeSec = 0.1;
    // prolong logger life
    std::shared_ptr<spdlog::logger> loggerHandle = Logger::instance().getSpdLogger();
    MRMESH_API ThreadRootTimeRecord( const char * tdName );
    MRMESH_API void printTree();
    MRMESH_API ~ThreadRootTimeRecord();
};
 
MRMESH_API void registerThreadRootTimeRecord( ThreadRootTimeRecord & root );
 
MRMESH_API void unregisterThreadRootTimeRecord( ThreadRootTimeRecord & root );
 
 
} // namespace MR