minetest/src/util/timetaker.cpp

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/*
2013-02-24 18:40:43 +01:00
Minetest
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Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "timetaker.h"
#include "../porting.h"
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#include "../log.h"
#include <ostream>
TimeTaker::TimeTaker(const std::string &name, u64 *result, TimePrecision prec)
{
m_name = name;
m_result = result;
m_running = true;
m_precision = prec;
m_time1 = porting::getTime(prec);
}
u64 TimeTaker::stop(bool quiet)
{
if (m_running) {
u64 dtime = porting::getTime(m_precision) - m_time1;
if (m_result != NULL) {
(*m_result) += dtime;
} else {
if (!quiet) {
static const char* const units[] = {
"s" /* PRECISION_SECONDS */,
"ms" /* PRECISION_MILLI */,
"us" /* PRECISION_MICRO */,
"ns" /* PRECISION_NANO */,
};
infostream << m_name << " took "
<< dtime << units[m_precision]
<< std::endl;
}
}
m_running = false;
return dtime;
}
return 0;
}
u64 TimeTaker::getTimerTime()
{
return porting::getTime(m_precision) - m_time1;
}