89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsitec.ch; http://colobot.info; http://github.com/colobot
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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 3 of the License, or
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* (at your option) 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.
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* See the 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 this program. If not, see http://gnu.org/licenses
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*/
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#include "common/profiler.h"
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#include "common/system/system.h"
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#include <cassert>
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using TimeUtils::TimeStamp;
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CSystemUtils* CProfiler::m_systemUtils = nullptr;
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long long CProfiler::m_performanceCounters[PCNT_MAX] = {0};
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long long CProfiler::m_prevPerformanceCounters[PCNT_MAX] = {0};
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std::stack<TimeStamp> CProfiler::m_runningPerformanceCounters;
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std::stack<PerformanceCounter> CProfiler::m_runningPerformanceCountersType;
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void CProfiler::SetSystemUtils(CSystemUtils* systemUtils)
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{
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m_systemUtils = systemUtils;
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}
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void CProfiler::StartPerformanceCounter(PerformanceCounter counter)
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{
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if (counter == PCNT_ALL)
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ResetPerformanceCounters();
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TimeStamp timeStamp = m_systemUtils->GetCurrentTimeStamp();
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m_runningPerformanceCounters.push(timeStamp);
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m_runningPerformanceCountersType.push(counter);
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}
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void CProfiler::StopPerformanceCounter(PerformanceCounter counter)
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{
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assert(m_runningPerformanceCountersType.top() == counter);
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m_runningPerformanceCountersType.pop();
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TimeStamp timeStamp = m_systemUtils->GetCurrentTimeStamp();
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m_performanceCounters[counter] += TimeUtils::ExactDiff(m_runningPerformanceCounters.top(), timeStamp);
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m_runningPerformanceCounters.pop();
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if (counter == PCNT_ALL)
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SavePerformanceCounters();
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}
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long long CProfiler::GetPerformanceCounterTime(PerformanceCounter counter)
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{
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return m_prevPerformanceCounters[counter];
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}
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float CProfiler::GetPerformanceCounterFraction(PerformanceCounter counter)
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{
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return static_cast<float>(m_prevPerformanceCounters[counter]) / static_cast<float>(m_prevPerformanceCounters[PCNT_ALL]);
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}
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void CProfiler::ResetPerformanceCounters()
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{
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for (int i = 0; i < PCNT_MAX; ++i)
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{
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m_performanceCounters[i] = 0;
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}
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}
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void CProfiler::SavePerformanceCounters()
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{
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assert(m_runningPerformanceCounters.empty());
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for (int i = 0; i < PCNT_MAX; ++i)
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{
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m_prevPerformanceCounters[i] = m_performanceCounters[i];
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}
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}
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