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/**********************************************************************
* $Id: Profiler.cpp 1820 2006-09-06 16:54:23Z mloskot $
*
* GEOS - Geometry Engine Open Source
* http://geos.refractions.net
*
* Copyright (C) 2001-2002 Vivid Solutions Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************/
#include <geos/profiler.h>
#include <iostream>
#include <map>
#include <string>
#include <utility>
using namespace std;
namespace geos {
namespace util { // geos.util
Profile::Profile(string newname)
{
name = newname;
totaltime = 0;
min = max = avg = 0;
}
Profile::~Profile()
{
}
#if 0
void
Profile::start()
{
gettimeofday(&starttime, NULL);
}
void
Profile::stop()
{
gettimeofday(&stoptime, NULL);
double elapsed = 1000000*(stoptime.tv_sec-starttime.tv_sec)+
(stoptime.tv_usec-starttime.tv_usec);
timings.push_back(elapsed);
totaltime += elapsed;
if ( timings.size() == 1 ) max = min = elapsed;
else
{
if ( elapsed > max ) max = elapsed;
if ( elapsed < min ) min = elapsed;
}
avg = totaltime / timings.size();
}
#endif
double
Profile::getMax() const
{
return max;
}
double
Profile::getMin() const
{
return min;
}
double
Profile::getAvg() const
{
return avg;
}
double
Profile::getTot() const
{
return totaltime;
}
size_t
Profile::getNumTimings() const
{
return timings.size();
}
Profiler::Profiler()
{
}
Profiler::~Profiler()
{
map<string, Profile *>::const_iterator it;
for ( it=profs.begin(); it != profs.end(); ++it )
{
delete it->second;
}
}
void
Profiler::start(string name)
{
Profile *prof = get(name);
prof->start();
}
void
Profiler::stop(string name)
{
map<string, Profile *>::iterator iter = profs.find(name);
if ( iter == profs.end() )
cerr<<name<<": no such Profile started";
iter->second->stop();
}
Profile *
Profiler::get(string name)
{
Profile *prof;
map<string, Profile *>::iterator iter = profs.find(name);
if ( iter == profs.end() ) {
prof = new Profile(name);
profs.insert(pair<string, Profile *>(name, prof));
} else {
prof = iter->second;
}
return prof;
}
Profiler *
Profiler::instance()
{
static Profiler internal_profiler;
return &internal_profiler;
}
ostream&
operator<< (ostream &os, const Profile &prof)
{
os << " num:"<<prof.getNumTimings()<<" min:"<<
prof.getMin()<<" max:"<<prof.getMax()<<
" avg:"<<prof.getAvg()<<" tot:"<<prof.getTot()<<
" ["<<prof.name<<"]";
return os;
}
ostream&
operator<< (ostream &os, const Profiler &prof)
{
map<string, Profile *>::const_iterator it;
for ( it=prof.profs.begin(); it != prof.profs.end(); ++it )
{
os<<*(it->second)<<endl;
}
return os;
}
} // namespace geos.util
} // namespace geos
/**********************************************************************
* $Log$
* Revision 1.10 2006/06/12 11:29:24 strk
* unsigned int => size_t
*
* Revision 1.9 2006/03/07 14:18:34 strk
* Profiler singleton implemented with a function-static Profiler instance
*
* Revision 1.8 2006/03/06 19:40:48 strk
* geos::util namespace. New GeometryCollection::iterator interface, many cleanups.
*
* Revision 1.7 2006/03/03 10:46:22 strk
* Removed 'using namespace' from headers, added missing headers in .cpp files, removed useless includes in headers (bug#46)
*
* Revision 1.6 2005/02/01 14:18:04 strk
* Made profiler start/stop inline
*
* Revision 1.5 2005/02/01 13:44:59 strk
* More profiling labels.
*
* Revision 1.4 2004/12/03 22:52:56 strk
* enforced const return of CoordinateSequence::toVector() method to derivate classes.
*
* Revision 1.3 2004/11/08 12:15:35 strk
* Added number of gathered timings in output.
*
* Revision 1.2 2004/11/08 11:19:39 strk
* Profiler::get() always return a Profile (new if not existant).
*
* Revision 1.1 2004/11/01 16:43:04 strk
* Added Profiler code.
* Temporarly patched a bug in DoubleBits (must check drawbacks).
* Various cleanups and speedups.
*
**********************************************************************/
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