/* * This file is part of the Colobot: Gold Edition source code * Copyright (C) 2001-2016, Daniel Roux, EPSITEC SA & TerranovaTeam * http://epsitec.ch; http://colobot.info; http://github.com/colobot * * 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 3 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, see http://gnu.org/licenses */ #include "common/profiler.h" #include "common/system/system.h" #include CSystemUtils* CProfiler::m_systemUtils = nullptr; long long CProfiler::m_performanceCounters[PCNT_MAX] = {0}; long long CProfiler::m_prevPerformanceCounters[PCNT_MAX] = {0}; std::stack CProfiler::m_runningPerformanceCounters; std::stack CProfiler::m_runningPerformanceCountersType; void CProfiler::SetSystemUtils(CSystemUtils* systemUtils) { m_systemUtils = systemUtils; } void CProfiler::StartPerformanceCounter(PerformanceCounter counter) { if (counter == PCNT_ALL) ResetPerformanceCounters(); SystemTimeStamp* timeStamp = m_systemUtils->CreateTimeStamp(); m_systemUtils->GetCurrentTimeStamp(timeStamp); m_runningPerformanceCounters.push(timeStamp); m_runningPerformanceCountersType.push(counter); } void CProfiler::StopPerformanceCounter(PerformanceCounter counter) { assert(m_runningPerformanceCountersType.top() == counter); m_runningPerformanceCountersType.pop(); SystemTimeStamp* timeStamp = m_systemUtils->CreateTimeStamp(); m_systemUtils->GetCurrentTimeStamp(timeStamp); m_performanceCounters[counter] += m_systemUtils->TimeStampExactDiff(m_runningPerformanceCounters.top(), timeStamp); m_systemUtils->DestroyTimeStamp(timeStamp); m_systemUtils->DestroyTimeStamp(m_runningPerformanceCounters.top()); m_runningPerformanceCounters.pop(); if (counter == PCNT_ALL) SavePerformanceCounters(); } long long CProfiler::GetPerformanceCounterTime(PerformanceCounter counter) { return m_prevPerformanceCounters[counter]; } float CProfiler::GetPerformanceCounterFraction(PerformanceCounter counter) { return static_cast(m_prevPerformanceCounters[counter]) / static_cast(m_prevPerformanceCounters[PCNT_ALL]); } void CProfiler::ResetPerformanceCounters() { for (int i = 0; i < PCNT_MAX; ++i) { m_performanceCounters[i] = 0; } } void CProfiler::SavePerformanceCounters() { assert(m_runningPerformanceCounters.empty()); for (int i = 0; i < PCNT_MAX; ++i) { m_prevPerformanceCounters[i] = m_performanceCounters[i]; } }