mirror of https://github.com/PCSX2/pcsx2.git
103 lines
1.9 KiB
C++
103 lines
1.9 KiB
C++
/*
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* Copyright (C) 2007-2009 Gabest
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* http://www.gabest.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#include "stdafx.h"
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#include "GSPerfMon.h"
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extern "C" unsigned __int64 __rdtsc();
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GSPerfMon::GSPerfMon()
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: m_total(0)
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, m_begin(0)
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, m_frame(0)
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, m_lastframe(0)
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, m_count(0)
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{
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memset(m_counters, 0, sizeof(m_counters));
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memset(m_stats, 0, sizeof(m_stats));
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memset(m_warnings, 0, sizeof(m_warnings));
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}
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void GSPerfMon::Put(counter_t c, double val)
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{
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if(c == Frame)
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{
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clock_t now = clock();
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if(m_lastframe != 0)
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{
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m_counters[c] += now - m_lastframe;
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}
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m_lastframe = now;
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m_frame++;
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m_count++;
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}
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else
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{
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m_counters[c] += val;
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}
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}
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void GSPerfMon::Update()
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{
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if(m_count > 0)
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{
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for(int i = 0; i < countof(m_counters); i++)
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{
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m_stats[i] = m_counters[i] / m_count;
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}
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m_count = 0;
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}
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memset(m_counters, 0, sizeof(m_counters));
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}
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void GSPerfMon::Start()
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{
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m_start = __rdtsc();
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if(m_begin == 0)
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{
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m_begin = m_start;
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}
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}
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void GSPerfMon::Stop()
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{
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if(m_start > 0)
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{
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m_total += __rdtsc() - m_start;
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m_start = 0;
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}
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}
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int GSPerfMon::CPU()
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{
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int percent = (int)(100 * m_total / (__rdtsc() - m_begin));
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m_begin = 0;
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m_start = 0;
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m_total = 0;
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return percent;
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} |