Line data    Source code

       1             : /*
       2             : Minetest
       3             : Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
       4             : 
       5             : This program is free software; you can redistribute it and/or modify
       6             : it under the terms of the GNU Lesser General Public License as published by
       7             : the Free Software Foundation; either version 2.1 of the License, or
       8             : (at your option) any later version.
       9             : 
      10             : This program is distributed in the hope that it will be useful,
      11             : but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13             : GNU Lesser General Public License for more details.
      14             : 
      15             : You should have received a copy of the GNU Lesser General Public License along
      16             : with this program; if not, write to the Free Software Foundation, Inc.,
      17             : 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             : */
      19             : 
      20             : #include "timetaker.h"
      21             : 
      22             : #include "../gettime.h"
      23             : #include "../log.h"
      24             : #include <ostream>
      25             : 
      26       74069 : TimeTaker::TimeTaker(const char *name, u32 *result, TimePrecision prec)
      27             : {
      28       74069 :         m_name = name;
      29       74069 :         m_result = result;
      30       74069 :         m_running = true;
      31       74069 :         m_precision = prec;
      32       74069 :         m_time1 = getTime(prec);
      33       74070 : }
      34             : 
      35      144591 : u32 TimeTaker::stop(bool quiet)
      36             : {
      37      144591 :         if(m_running)
      38             :         {
      39       74070 :                 u32 time2 = getTime(m_precision);
      40       74070 :                 u32 dtime = time2 - m_time1;
      41       74070 :                 if(m_result != NULL)
      42             :                 {
      43        3549 :                         (*m_result) += dtime;
      44             :                 }
      45             :                 else
      46             :                 {
      47       70521 :                         if (!quiet) {
      48             :                                 static const char* const units[] = {
      49             :                                         "s"  /* PRECISION_SECONDS */,
      50             :                                         "ms" /* PRECISION_MILLI */,
      51             :                                         "us" /* PRECISION_MICRO */,
      52             :                                         "ns" /* PRECISION_NANO */,
      53             :                                 };
      54           0 :                                 infostream << m_name << " took "
      55           0 :                                            << dtime << units[m_precision]
      56           0 :                                            << std::endl;
      57             :                         }
      58             :                 }
      59       74070 :                 m_running = false;
      60       74070 :                 return dtime;
      61             :         }
      62       70521 :         return 0;
      63             : }
      64             : 
      65           0 : u32 TimeTaker::getTimerTime()
      66             : {
      67           0 :         u32 time2 = getTime(m_precision);
      68           0 :         u32 dtime = time2 - m_time1;
      69           0 :         return dtime;
      70             : }
      71             :