// $Id: perfmon.h 2501 2007-11-20 02:33:29Z benkirk $// The libMesh Finite Element Library.// Copyright (C) 2002-2007  Benjamin S. Kirk, John W. Peterson  // This library 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 library 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 library; if not, write to the Free Software// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA#ifndef __perfmon_h__#define __perfmon_h__// C++ includes#include <string>#include <sys/time.h>// Local includes#include "libmesh_common.h"#ifdef HAVE_PAPI_Hnamespace Papi {#  include <papi.h>}#endifclass PerfMon{ public:  PerfMon  (std::string id,	    const unsigned int v=1,	    const unsigned int pid=0);	      ~PerfMon ();  void reset ();  double print (std::string msg="NULL");   private:  const std::string id_string;    struct timeval the_time_start;  struct timeval the_time_stop;  const unsigned int verbose;  const unsigned int proc_id;#ifdef HAVE_PAPI_H  float rtime, ptime, mflops;  long long int flpins;#endif};inlinevoidPerfMon::reset (){  gettimeofday (&the_time_start, NULL);#ifdef HAVE_PAPI_H  Papi::PAPI_flops (&rtime, &ptime, &flpins, &mflops);#endif  }inlinedoublePerfMon::print (std::string msg){    gettimeofday (&the_time_stop, NULL);  #ifdef HAVE_PAPI_H  Papi::PAPI_flops (&rtime, &ptime, &flpins, &mflops);#endif  const double elapsed_time = ((double) (the_time_stop.tv_sec - the_time_start.tv_sec)) +                              ((double) (the_time_stop.tv_usec - the_time_start.tv_usec))/1000000.;  if (verbose)    {            if (proc_id == 0)	{	  if (msg == "NULL")	    std::cout << " " << id_string		      << ": elapsed time: "		      << elapsed_time << " (sec)"		      << std::endl;	  else	    std::cout << " " << msg		      << ": elapsed time: "		      << elapsed_time << " (sec)"		      << std::endl;	  #ifdef HAVE_PAPI_H	  if (msg == "NULL")	    std::cout << " " << id_string		      << ": mflops: "		      << mflops		      << std::endl;	  else	    std::cout << " " << msg		      << ": mflops: "		      << mflops		      << std::endl;      #endif	}    }    return elapsed_time;}inlinePerfMon::PerfMon (std::string id,		  const unsigned int v,		  const unsigned int pid) :  id_string(id),  verbose(v),  proc_id(pid){  reset ();}inlinePerfMon::~PerfMon (){  print ();}#endif