83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
/*
|
|
* Copyright (C) 2015,2016,2018 by Jonathan Naylor G4KLX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include "StopWatch.h"
|
|
|
|
#if defined(_WIN32) || defined(_WIN64)
|
|
|
|
CStopWatch::CStopWatch() :
|
|
m_frequency(),
|
|
m_start()
|
|
{
|
|
::QueryPerformanceFrequency(&m_frequency);
|
|
}
|
|
|
|
CStopWatch::~CStopWatch()
|
|
{
|
|
}
|
|
|
|
unsigned long CStopWatch::start()
|
|
{
|
|
::QueryPerformanceCounter(&m_start);
|
|
|
|
return (unsigned long)(m_start.QuadPart / m_frequency.QuadPart);
|
|
}
|
|
|
|
unsigned int CStopWatch::elapsed()
|
|
{
|
|
LARGE_INTEGER now;
|
|
::QueryPerformanceCounter(&now);
|
|
|
|
LARGE_INTEGER temp;
|
|
temp.QuadPart = (now.QuadPart - m_start.QuadPart) * 1000;
|
|
|
|
return (unsigned int)(temp.QuadPart / m_frequency.QuadPart);
|
|
}
|
|
|
|
#else
|
|
|
|
#include <cstdio>
|
|
#include <ctime>
|
|
|
|
CStopWatch::CStopWatch() :
|
|
m_start()
|
|
{
|
|
}
|
|
|
|
CStopWatch::~CStopWatch()
|
|
{
|
|
}
|
|
|
|
unsigned long CStopWatch::start()
|
|
{
|
|
::clock_gettime(CLOCK_MONOTONIC, &m_start);
|
|
|
|
return m_start.tv_sec * 1000UL + m_start.tv_nsec / 1000000UL;
|
|
}
|
|
|
|
unsigned int CStopWatch::elapsed()
|
|
{
|
|
struct timespec now;
|
|
::clock_gettime(CLOCK_MONOTONIC, &now);
|
|
|
|
int offset = ((now.tv_sec - m_start.tv_sec) * 1000000000UL + now.tv_nsec - m_start.tv_nsec ) / 1000000UL;
|
|
|
|
return (unsigned int)offset;
|
|
}
|
|
|
|
#endif
|