rpcs3/Utilities/Timer.h
2021-04-11 14:01:51 +03:00

62 lines
1.2 KiB
C++

#pragma once
#include "util/types.hpp"
#include <chrono>
class Timer
{
private:
bool m_stopped;
steady_clock::time_point m_start;
steady_clock::time_point m_end;
public:
Timer() : m_stopped(false)
{
}
void Start()
{
m_stopped = false;
m_start = steady_clock::now();
}
void Stop()
{
m_stopped = true;
m_end = steady_clock::now();
}
double GetElapsedTimeInSec() const
{
return static_cast<double>(GetElapsedTimeInMicroSec()) / 1000000.0;
}
double GetElapsedTimeInMilliSec() const
{
return static_cast<double>(GetElapsedTimeInMicroSec()) / 1000.0;
}
u64 GetElapsedTimeInMicroSec() const
{
const steady_clock::time_point now = m_stopped ? m_end : steady_clock::now();
return std::chrono::duration_cast<std::chrono::microseconds>(now - m_start).count();
}
u64 GetElapsedTimeInNanoSec() const
{
const steady_clock::time_point now = m_stopped ? m_end : steady_clock::now();
return std::chrono::duration_cast<std::chrono::nanoseconds>(now - m_start).count();
}
u64 GetMsSince(steady_clock::time_point timestamp) const
{
const steady_clock::time_point now = m_stopped ? m_end : steady_clock::now();
return std::chrono::duration_cast<std::chrono::milliseconds>(now - timestamp).count();
}
};