perfomance.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2012-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * 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 of the License, or
 * 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://www.gnu.org/licenses/>.
 */
 
#include "localconsts.h"
 
#ifdef USE_PROFILER
 
#include "utils/perfomance.h"
 
#include "configuration.h"
#include "game.h"
 
#include "utils/timer.h"
 
#include <algorithm>
#include <cstdarg>
#include <cstdio>
#include <fcntl.h>
#include <fstream>
#include <iostream>
 
#include "debug.h"
 
static const clockid_t clockType = CLOCK_MONOTONIC;
 
#define timeData ((static_cast<long long int>(time.tv_sec) * 1000000000LL \
 + static_cast<long long int>(time.tv_nsec)) / 1)
 
namespace Perfomance
{
 std::ofstream file;
 std::string temp;
 long long unsigned int startTime;
 
 void init(const std::string &path)
 {
 file.open(path.c_str(), std::ios_base::trunc);
 timespec time;
 clock_gettime(clockType, &time);
 temp.reserve(10000000U);
 startTime = timeData;
 }
 
 void clear()
 {
 if (file.is_open())
 file.close();
 }
 
 void start()
 {
 timespec time;
 clock_gettime(clockType, &time);
 temp.append(toString(timeData - startTime)).append(
 " __init__\n");
 }
 
 void blockStart(const std::string &name)
 {
 timespec time;
 clock_gettime(clockType, &time);
 temp.append(toString(timeData - startTime)).append(
 " start: ").append(name).append("\n");
 }
 
 void blockEnd(const std::string &name)
 {
 timespec time;
 clock_gettime(clockType, &time);
 temp.append(toString(timeData - startTime)).append(
 " end: ").append(name).append("\n");
 }
 
 void flush()
 {
 if (fps < 40)
 file << temp;
 temp.clear();
// file.flush();
 }
} // namespace Perfomance
 
#endif // USE_PROFILER