PCMTimer_impl.h

Go to the documentation of this file.
00001 
00002 //
00003 // This source file is a part of ParCompMark
00004 // Parallel Compositing Benchmark Framework
00005 //
00006 // for latest info see http://parcompmark.sourceforge.net
00007 
00008 //
00009 // Copyright (C) 2006 IT2 ParCompMark Dev. Team
00010 // 
00011 // This program is free software; you can redistribute it and/or
00012 // modify it under the terms of the GNU General Public License
00013 // as published by the Free Software Foundation; either version 2
00014 // of the License, or (at your option) any later version.
00015 // 
00016 // This program is distributed in the hope that it will be useful,
00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00019 // GNU General Public License for more details.
00020 // 
00021 // You should have received a copy of the GNU General Public License
00022 // along with this program; if not, write to the Free Software
00023 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00024 
00027 
00028  //
00029  // Getters & setters
00030  //
00031 
00032 inline const Real & Timer::getTimeCorrection()
00033 {
00034   return mTimeCorrection;
00035 }
00036 
00037  /*-------------------------------------------------------------------------*/
00038 
00039 inline void Timer::setTimeCorrection(const Real & timecorrection)
00040 {
00041   mTimeCorrection = timecorrection;
00042   mStartTime = getUncorrectedSystemTime();
00043 }
00044 
00045  /*-------------------------------------------------------------------------*/
00046 
00047 inline const Real & Timer::getStartTime()
00048 {
00049   return mStartTime;
00050 }
00051 
00052  /*-------------------------------------------------------------------------*/
00053 
00054  //
00055  // Class methods
00056  //
00057 
00058 inline Real Timer::getSystemTime()
00059 {
00060   return getUncorrectedSystemTime() + mTimeCorrection;
00061 }
00062 
00063  /*----------------------------------------------------------------------*/
00064 
00065 inline Real Timer::getApplicationTime()
00066 {
00067   return getUncorrectedSystemTime() - mStartTime;
00068 }
00069 
00070  /*----------------------------------------------------------------------*/
00071 
00072 inline Real Timer::getUncorrectedSystemTime()
00073 {
00074   struct timeval tv;
00075   struct timezone tz;
00076 
00077   gettimeofday(&tv, &tz);
00078   return tv.tv_sec * 1.0 + tv.tv_usec * 0.000001;
00079 }
00080 
00081  /*----------------------------------------------------------------------*/
00082 
00083 inline void Timer::sleep(const Real time)
00084 {
00085   usleep((__useconds_t) (time * 1.0e6));
00086 }
00087 
00088  /*----------------------------------------------------------------------*/