mirror of https://github.com/PCSX2/pcsx2.git
120 lines
2.5 KiB
C++
120 lines
2.5 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 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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GSPerfMon::GSPerfMon()
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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_total, 0, sizeof(m_total));
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memset(m_begin, 0, sizeof(m_begin));
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}
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void GSPerfMon::Put(counter_t c, double val)
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{
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#ifndef DISABLE_PERF_MON
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if(c == Frame)
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{
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#if defined(__unix__)
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// clock on linux will return CLOCK_PROCESS_CPUTIME_ID.
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// CLOCK_THREAD_CPUTIME_ID is much more useful to measure the fps
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struct timespec ts;
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clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
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uint64 now = (uint64) ts.tv_sec * (uint64) 1e6 + (uint64) ts.tv_nsec / (uint64) 1e3;
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#else
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clock_t now = clock();
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#endif
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if(m_lastframe != 0)
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{
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m_counters[c] += (now - m_lastframe) * 1000 / CLOCKS_PER_SEC;
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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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#endif
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}
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void GSPerfMon::Update()
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{
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#ifndef DISABLE_PERF_MON
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if(m_count > 0)
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{
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for(size_t 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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#endif
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}
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void GSPerfMon::Start(int timer)
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{
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#ifndef DISABLE_PERF_MON
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m_start[timer] = __rdtsc();
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if(m_begin[timer] == 0)
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{
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m_begin[timer] = m_start[timer];
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}
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#endif
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}
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void GSPerfMon::Stop(int timer)
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{
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#ifndef DISABLE_PERF_MON
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if(m_start[timer] > 0)
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{
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m_total[timer] += __rdtsc() - m_start[timer];
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m_start[timer] = 0;
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}
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#endif
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}
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int GSPerfMon::CPU(int timer, bool reset)
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{
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int percent = (int)(100 * m_total[timer] / (__rdtsc() - m_begin[timer]));
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if(reset)
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{
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m_begin[timer] = 0;
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m_start[timer] = 0;
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m_total[timer] = 0;
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}
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return percent;
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}
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