pcsx2/plugins/GSdx/GSPerfMon.cpp

103 lines
1.9 KiB
C++

/*
* Copyright (C) 2007-2009 Gabest
* http://www.gabest.org
*
* 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, 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "stdafx.h"
#include "GSPerfMon.h"
extern "C" unsigned __int64 __rdtsc();
GSPerfMon::GSPerfMon()
: m_total(0)
, m_begin(0)
, m_frame(0)
, m_lastframe(0)
, m_count(0)
{
memset(m_counters, 0, sizeof(m_counters));
memset(m_stats, 0, sizeof(m_stats));
memset(m_warnings, 0, sizeof(m_warnings));
}
void GSPerfMon::Put(counter_t c, double val)
{
if(c == Frame)
{
clock_t now = clock();
if(m_lastframe != 0)
{
m_counters[c] += now - m_lastframe;
}
m_lastframe = now;
m_frame++;
m_count++;
}
else
{
m_counters[c] += val;
}
}
void GSPerfMon::Update()
{
if(m_count > 0)
{
for(int i = 0; i < countof(m_counters); i++)
{
m_stats[i] = m_counters[i] / m_count;
}
m_count = 0;
}
memset(m_counters, 0, sizeof(m_counters));
}
void GSPerfMon::Start()
{
m_start = __rdtsc();
if(m_begin == 0)
{
m_begin = m_start;
}
}
void GSPerfMon::Stop()
{
if(m_start > 0)
{
m_total += __rdtsc() - m_start;
m_start = 0;
}
}
int GSPerfMon::CPU()
{
int percent = (int)(100 * m_total / (__rdtsc() - m_begin));
m_begin = 0;
m_start = 0;
m_total = 0;
return percent;
}