/usr/include/libmesh/perfmon.h is in libmesh-dev 0.7.1-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | // $Id: perfmon.h 3874 2010-07-02 21:57:26Z roystgnr $
// The libMesh Finite Element Library.
// Copyright (C) 2002-2008 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
// 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_H
namespace Papi {
# include <papi.h>
}
#endif
namespace libMesh
{
class 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", std::ostream &out = libMesh::out);
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
};
inline
void
PerfMon::reset ()
{
gettimeofday (&the_time_start, NULL);
#ifdef HAVE_PAPI_H
Papi::PAPI_flops (&rtime, &ptime, &flpins, &mflops);
#endif
}
inline
double
PerfMon::print (std::string msg, std::ostream &out)
{
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")
out << " " << id_string
<< ": elapsed time: "
<< elapsed_time << " (sec)"
<< std::endl;
else
out << " " << msg
<< ": elapsed time: "
<< elapsed_time << " (sec)"
<< std::endl;
#ifdef HAVE_PAPI_H
if (msg == "NULL")
out << " " << id_string
<< ": mflops: "
<< mflops
<< std::endl;
else
out << " " << msg
<< ": mflops: "
<< mflops
<< std::endl;
#endif
}
}
return elapsed_time;
}
inline
PerfMon::PerfMon (std::string id,
const unsigned int v,
const unsigned int pid) :
id_string(id),
verbose(v),
proc_id(pid)
{
reset ();
}
inline
PerfMon::~PerfMon ()
{
print ();
}
} // namespace libMesh
#endif
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