 |
Mesh Oriented datABase
(version 5.4.1)
Array-based unstructured mesh datastructure
|
|
Mesh Oriented datABase
(version 5.4.1)
Array-based unstructured mesh datastructure
|
#include "moab/Core.hpp"#include "moab/Range.hpp"#include "moab/CN.hpp"#include <iostream>#include <iomanip>#include <sstream>#include <string>#include <cstdio>#include <cstdlib>#include <sys/times.h>#include <sys/resource.h>#include <unistd.h>
Include dependency graph for mbmem.cpp:Go to the source code of this file.
Classes | |
| struct | MemStats |
Enumerations | |
| enum | Units { HUMAN, BYTES, KILOBYTES, MEGABYTES, GIGABYTES } |
Functions | |
| static void | usage (const char *argv0, bool help=false) |
| static void | print_memory_stats (moab::Interface &mb, bool per_type=true, bool per_tag=true, bool totals=true, bool sysstats=true) |
| static void | do_test_mode () |
| int | main (int argc, char *argv[]) |
| static bool | is_zero (const MemStats &stats) |
| static void | get_mem_stats (moab::Interface &mb, MemStats &data, moab::EntityType type=moab::MBMAXTYPE) |
| static std::string | memstr (unsigned long long val) |
| static std::string | tag_type_string (moab::Interface &mb, moab::Tag tag) |
| static std::string | tag_storage_string (moab::Interface &mb, moab::Tag tag) |
| static std::string | center (const char *str, size_t width) |
| static unsigned long long | rdiv (unsigned long long num, unsigned long long den) |
Variables | |
| Units | UNITS = HUMAN |
| enum Units |
| std::string center | ( | const char * | str, |
| size_t | width | ||
| ) | [static] |
Definition at line 495 of file mbmem.cpp.
Referenced by moab::GeomUtil::box_hex_overlap(), moab::GeomUtil::box_tet_overlap(), moab::BVHTree::Bucket::bucket_index(), moab::Bvh_tree< _Entity_handles, _Box, _Moab, _Parametrizer >::bucket_index(), FBiGeom_getEntBoundBox(), moab::GeomTopoTool::get_bounding_coords(), get_gnomonic_plane(), moab::FBEngine::getEntBoundBox(), moab::IntxUtils::global_gnomonic_projection(), moab::TempestOnlineMap::LinearRemapGLLtoGLL2_MOAB(), moab::TempestOnlineMap::LinearRemapSE4_Tempest_MOAB(), localize_quad_coordinates(), main(), moab::Bvh_tree< _Entity_handles, _Box, _Moab, _Parametrizer >::median_order(), obbvis_create(), moab::HiReconstruction::obtain_nring_ngbvs(), print_memory_stats(), and moab::OrientedBoxTreeTool::sphere_intersect_triangles().
{
std::string text( str );
if( text.size() >= width ) return text;
width -= text.size();
if( 1u == width )
{
text += " ";
return text;
}
std::ostringstream s;
s << std::setw( width / 2 ) << ' ' << text << std::setw( width / 2 + width % 2 ) << ' ';
return s.str();
}
| void do_test_mode | ( | ) | [static] |
Definition at line 512 of file mbmem.cpp.
References moab::Range::begin(), moab::Range::clear(), moab::Interface::create_element(), moab::Interface::create_vertex(), moab::Range::end(), ErrorCode, moab::Interface::get_adjacencies(), moab::Interface::get_coords(), moab::Interface::get_entities_by_type(), mb, MB_SUCCESS, MB_TAG_CREAT, MB_TAG_SPARSE, MB_TYPE_BIT, MB_TYPE_DOUBLE, MB_TYPE_INTEGER, MBQUAD, MBTRI, MBVERTEX, print_memory_stats(), moab::Range::size(), moab::Interface::tag_get_handle(), and moab::Interface::tag_set_data().
Referenced by main().
{
const char prefix[] = "****************";
moab::Core mbcore;
moab::Interface& mb = mbcore;
moab::ErrorCode rval;
moab::Range handles;
moab::EntityHandle h;
moab::Range::iterator jt, it;
const unsigned N = 1000;
// creating some vertices
double coords[3] = { 1, 2, 3 };
for( unsigned i = 0; i < N; ++i )
mb.create_vertex( coords, h );
std::cout << std::endl << prefix << "Created " << N << " vertices" << std::endl;
print_memory_stats( mb, true, false, true, true );
for( unsigned i = 0; i < N; ++i )
mb.create_vertex( coords, h );
std::cout << std::endl << prefix << "Created another " << N << " vertices" << std::endl;
print_memory_stats( mb, true, false, true, true );
for( int i = 0; i < 100; ++i )
{
for( unsigned j = 0; j < N; ++j )
mb.create_vertex( coords, h );
}
std::cout << std::endl << prefix << "Created another " << 100 * N << " vertices" << std::endl;
print_memory_stats( mb, true, false, true, true );
// create some elements
handles.clear();
mb.get_entities_by_type( 0, moab::MBVERTEX, handles );
it = handles.begin();
for( unsigned i = 0; i < N - 2; ++i, ++it )
{
jt = it;
moab::EntityHandle conn[3];
conn[0] = *jt;
++jt;
conn[1] = *jt;
++jt;
conn[2] = *jt;
++jt;
mb.create_element( moab::MBTRI, conn, 3, h );
}
std::cout << std::endl << prefix << "Created " << N - 2 << " triangles" << std::endl;
print_memory_stats( mb, true, false, true, true );
it = handles.begin();
for( unsigned i = 0; i < N - 3; ++i, ++it )
{
jt = it;
moab::EntityHandle conn[4];
conn[0] = *jt;
++jt;
conn[1] = *jt;
++jt;
conn[2] = *jt;
++jt;
conn[3] = *jt;
++jt;
mb.create_element( moab::MBQUAD, conn, 4, h );
}
std::cout << std::endl << prefix << "Created " << N - 3 << " quads" << std::endl;
print_memory_stats( mb, true, false, true, true );
for( int i = 0; i < 100; ++i )
{
it = handles.begin();
for( unsigned j = 0; j < N - 3; ++j, ++it )
{
jt = it;
moab::EntityHandle conn[4];
conn[0] = *jt;
++jt;
conn[1] = *jt;
++jt;
conn[2] = *jt;
++jt;
conn[3] = *jt;
++jt;
mb.create_element( moab::MBQUAD, conn, 4, h );
}
}
std::cout << std::endl << prefix << "Created another " << 100 * ( N - 3 ) << " quads" << std::endl;
print_memory_stats( mb, true, false, true, true );
// set global ID
moab::Tag tag;
rval = mb.tag_get_handle( "GLOBAL_ID", 1, moab::MB_TYPE_INTEGER, tag );
if( moab::MB_SUCCESS != rval )
{
std::cerr << "Failed to get GLOBAL_ID tag handle" << std::endl;
return;
}
handles.clear();
mb.get_entities_by_type( 0, moab::MBVERTEX, handles );
int id = 1;
for( it = handles.begin(); it != handles.end(); ++it )
{
mb.tag_set_data( tag, &*it, 1, &id );
++id;
}
std::cout << std::endl << prefix << "Set global ID tag on " << handles.size() << " vertices" << std::endl;
print_memory_stats( mb, true, true, true, true );
handles.clear();
mb.get_entities_by_type( 0, moab::MBQUAD, handles );
id = 1;
for( it = handles.begin(); it != handles.end(); ++it )
{
mb.tag_set_data( tag, &*it, 1, &id );
++id;
}
std::cout << std::endl << prefix << "Set global ID tag on " << handles.size() << " quads" << std::endl;
print_memory_stats( mb, true, true, true, true );
// create and set a sparse tag
mb.tag_get_handle( "mem_test_tag", 3, moab::MB_TYPE_DOUBLE, tag, moab::MB_TAG_SPARSE | moab::MB_TAG_CREAT );
handles.clear();
mb.get_entities_by_type( 0, moab::MBVERTEX, handles );
for( it = handles.begin(); it != handles.end(); ++it )
{
mb.get_coords( &*it, 1, coords );
mb.tag_set_data( tag, &*it, 1, coords );
}
std::cout << std::endl
<< prefix << "Copied vertex coords to sparse tag for " << handles.size() << " vertices" << std::endl;
print_memory_stats( mb, true, true, true, true );
// create and set bit tag
mb.tag_get_handle( "mem_test_bit", 1, moab::MB_TYPE_BIT, tag, moab::MB_TAG_CREAT );
handles.clear();
mb.get_entities_by_type( 0, moab::MBTRI, handles );
for( it = handles.begin(); it != handles.end(); ++it )
{
char byte = '\001';
mb.tag_set_data( tag, &*it, 1, &byte );
}
std::cout << std::endl << prefix << "Set 1-bit tag for " << handles.size() << " triangles" << std::endl;
print_memory_stats( mb, true, true, true, true );
// create vertex to element adjacency data
handles.clear();
mb.get_entities_by_type( 0, moab::MBVERTEX, handles );
std::vector< moab::EntityHandle > adj_vec;
mb.get_adjacencies( &*handles.begin(), 1, 2, false, adj_vec );
std::cout << std::endl << prefix << "Created vertex-to-element adjacencies" << std::endl;
print_memory_stats( mb, true, false, true, true );
std::cout << std::endl;
}
| void get_mem_stats | ( | moab::Interface & | mb, |
| MemStats & | data, | ||
| moab::EntityType | type = moab::MBMAXTYPE |
||
| ) | [static] |
Definition at line 352 of file mbmem.cpp.
References MemStats::adjacency_amortized, MemStats::adjacency_storage, MemStats::entity_amortized, MemStats::entity_storage, moab::Interface::estimated_memory_use(), moab::Interface::get_entities_by_type(), MBMAXTYPE, MemStats::tag_amortized, MemStats::tag_storage, MemStats::total_amortized, and MemStats::total_storage.
Referenced by print_memory_stats().
{
if( type != moab::MBMAXTYPE )
{
moab::Range range;
mb.get_entities_by_type( 0, type, range );
mb.estimated_memory_use( range, &data.total_storage, &data.total_amortized, &data.entity_storage,
&data.entity_amortized, &data.adjacency_storage, &data.adjacency_amortized, 0, 0,
&data.tag_storage, &data.tag_amortized );
}
else
{
mb.estimated_memory_use( 0, 0, &data.total_storage, &data.total_amortized, &data.entity_storage,
&data.entity_amortized, &data.adjacency_storage, &data.adjacency_amortized, 0, 0,
&data.tag_storage, &data.tag_amortized );
}
}
Definition at line 347 of file mbmem.cpp.
References MemStats::total_amortized.
Referenced by print_memory_stats().
{
return stats.total_amortized == 0;
}
| int main | ( | int | argc, |
| char * | argv[] | ||
| ) |
Definition at line 60 of file mbmem.cpp.
References BYTES, do_test_mode(), ErrorCode, moab::Interface::get_error_string(), moab::Interface::get_last_error(), GIGABYTES, HUMAN, KILOBYTES, moab::Interface::load_file(), mb, MB_SUCCESS, MEGABYTES, print_memory_stats(), UNITS, and usage.
{
moab::ErrorCode rval;
bool no_more_flags = false;
bool test_mode = false;
std::vector< int > input_file_list;
// load each file specified on command line
for( int i = 1; i < argc; ++i )
{
if( !no_more_flags && argv[i][0] == '-' )
{
if( !strcmp( argv[i], "-H" ) )
UNITS = HUMAN;
else if( !strcmp( argv[i], "-b" ) )
UNITS = BYTES;
else if( !strcmp( argv[i], "-k" ) )
UNITS = KILOBYTES;
else if( !strcmp( argv[i], "-m" ) )
UNITS = MEGABYTES;
else if( !strcmp( argv[i], "-g" ) )
UNITS = GIGABYTES;
else if( !strcmp( argv[i], "-T" ) )
test_mode = true;
else if( !strcmp( argv[i], "-h" ) )
usage( argv[0], true );
else if( !strcmp( argv[i], "--" ) )
no_more_flags = true;
else
{
std::cerr << argv[0] << ": Invalid flag: \"" << argv[i] << "\"." << std::endl << std::endl;
usage( argv[0] );
}
}
else
{
input_file_list.push_back( i );
}
}
if( test_mode )
{
do_test_mode();
if( input_file_list.empty() ) return 0;
}
moab::Core mbcore;
moab::Interface& mb = mbcore;
for( std::vector< int >::iterator it = input_file_list.begin(); it != input_file_list.end(); ++it )
{
rval = mb.load_file( argv[*it] );
// if file load failed, print some info and exit
if( moab::MB_SUCCESS != rval )
{
std::string message;
mb.get_last_error( message );
std::cerr << mb.get_error_string( rval ) << ": " << message << std::endl
<< argv[*it] << ": Failed to read file." << std::endl;
return 1;
}
std::cout << "Loaded file: " << argv[*it] << std::endl;
}
// print summary of MOAB's memory use
print_memory_stats( mb );
return 0;
}
| std::string memstr | ( | unsigned long long | val | ) | [static] |
Definition at line 376 of file mbmem.cpp.
References BYTES, GIGABYTES, HUMAN, KILOBYTES, mb, MEGABYTES, rdiv(), and UNITS.
Referenced by print_memory_stats().
{
const unsigned long long kb = 1024;
const unsigned long long mb = kb * kb;
const unsigned long long gb = kb * mb;
const unsigned long long tb = kb * gb;
std::ostringstream s;
if( UNITS == HUMAN )
{
if( val >= 10 * tb )
s << rdiv( val, tb ) << "TB";
else if( val >= 10 * gb )
s << rdiv( val, gb ) << "GB";
else if( val >= 10 * mb )
s << rdiv( val, mb ) << "MB";
else if( val >= 10 * kb )
s << rdiv( val, kb ) << "kB";
else if( val > 0 )
s << val << " B";
else
s << "0 ";
}
else
{
unsigned long long den = 1;
switch( UNITS )
{
case BYTES:
den = 1;
break;
case KILOBYTES:
den = kb;
break;
case MEGABYTES:
den = mb;
break;
case GIGABYTES:
den = gb;
break;
case HUMAN:
break; // handled above, list here to suppress warning
}
s << rdiv( val, den );
}
return s.str();
}
| void print_memory_stats | ( | moab::Interface & | mb, |
| bool | per_type = true, |
||
| bool | per_tag = true, |
||
| bool | totals = true, |
||
| bool | sysstats = true |
||
| ) | [static] |
Definition at line 162 of file mbmem.cpp.
References MemStats::adjacency_amortized, MemStats::adjacency_storage, center(), MemStats::entity_amortized, MemStats::entity_storage, moab::CN::EntityTypeName(), ErrorCode, moab::Interface::estimated_memory_use(), get_mem_stats(), is_zero(), MB_SUCCESS, MBMAXTYPE, MBVERTEX, memstr(), t, MemStats::tag_amortized, moab::Interface::tag_get_name(), moab::Interface::tag_get_tags(), MemStats::tag_storage, tag_storage_string(), tag_type_string(), MemStats::total_amortized, and MemStats::total_storage.
Referenced by do_test_mode(), and main().
{
moab::ErrorCode rval;
const char ANON_TAG_NAME[] = "(anonymous)";
const int TYPE_WIDTH = 10;
const int MEM_WIDTH = 7;
const int MEM2_WIDTH = 2 * MEM_WIDTH + 1;
const int MIN_TAG_NAME_WIDTH = strlen( ANON_TAG_NAME );
const int DTYPE_WIDTH = 12;
const int STORAGE_WIDTH = 8;
// per-entity-type table header
MemStats stats;
if( per_type )
{
std::cout.fill( ' ' );
std::cout << std::left << std::setw( TYPE_WIDTH ) << "Type" << ' ' << center( "Total", MEM2_WIDTH ) << ' '
<< center( "Entity", MEM2_WIDTH ) << ' ' << center( "Adjacency", MEM2_WIDTH ) << ' '
<< center( "Tag", MEM2_WIDTH ) << ' ' << std::endl
<< std::setw( TYPE_WIDTH ) << " ";
for( int i = 0; i < 4; ++i )
std::cout << ' ' << std::left << std::setw( MEM_WIDTH ) << "Used" << ' ' << std::left
<< std::setw( MEM_WIDTH ) << "Alloc";
std::cout << std::endl;
std::cout.fill( '-' );
std::cout << std::setw( TYPE_WIDTH ) << '-';
for( int i = 0; i < 8; ++i )
std::cout << ' ' << std::setw( MEM_WIDTH ) << '-';
std::cout.fill( ' ' );
std::cout << std::endl;
// per-entity-type memory use
for( moab::EntityType t = moab::MBVERTEX; t != moab::MBMAXTYPE; ++t )
{
get_mem_stats( mb, stats, t );
if( is_zero( stats ) ) continue; // skip types with no allocated memory
std::cout << std::left << std::setw( TYPE_WIDTH ) << moab::CN::EntityTypeName( t ) << ' ' << std::right
<< std::setw( MEM_WIDTH ) << memstr( stats.total_storage ) << ' ' << std::right
<< std::setw( MEM_WIDTH ) << memstr( stats.total_amortized ) << ' ' << std::right
<< std::setw( MEM_WIDTH ) << memstr( stats.entity_storage ) << ' ' << std::right
<< std::setw( MEM_WIDTH ) << memstr( stats.entity_amortized ) << ' ' << std::right
<< std::setw( MEM_WIDTH ) << memstr( stats.adjacency_storage ) << ' ' << std::right
<< std::setw( MEM_WIDTH ) << memstr( stats.adjacency_amortized ) << ' ' << std::right
<< std::setw( MEM_WIDTH ) << memstr( stats.tag_storage ) << ' ' << std::right
<< std::setw( MEM_WIDTH ) << memstr( stats.tag_amortized ) << std::endl;
}
} // end per_type
if( per_tag )
{
// get list of tags
std::vector< moab::Tag > tags;
std::vector< moab::Tag >::const_iterator ti;
mb.tag_get_tags( tags );
// figure out required field with to fit longest tag name
unsigned maxlen = MIN_TAG_NAME_WIDTH;
for( ti = tags.begin(); ti != tags.end(); ++ti )
{
std::string name;
rval = mb.tag_get_name( *ti, name );
if( moab::MB_SUCCESS != rval ) continue;
if( name.size() > maxlen ) maxlen = name.size();
}
// print header for per-tag data
if( !tags.empty() )
{
std::cout.fill( ' ' );
std::cout << std::endl
<< std::left << std::setw( maxlen ) << "Tag Name" << ' ' << std::left << std::setw( DTYPE_WIDTH )
<< "Type" << ' ' << std::left << std::setw( STORAGE_WIDTH ) << "Storage" << ' ' << std::left
<< std::setw( MEM_WIDTH ) << "Used" << ' ' << std::left << std::setw( MEM_WIDTH ) << "Alloc"
<< std::endl;
std::cout.fill( '-' );
std::cout << std::setw( maxlen ) << '-' << ' ' << std::setw( DTYPE_WIDTH ) << '-' << ' '
<< std::setw( STORAGE_WIDTH ) << '-' << ' ' << std::setw( MEM_WIDTH ) << '-' << ' '
<< std::setw( MEM_WIDTH ) << '-' << std::endl;
std::cout.fill( ' ' );
}
// print per-tag memory use
for( ti = tags.begin(); ti != tags.end(); ++ti )
{
std::string name;
rval = mb.tag_get_name( *ti, name );
if( moab::MB_SUCCESS != rval || name.empty() ) name = ANON_TAG_NAME;
unsigned long long occupied, allocated;
mb.estimated_memory_use( 0, 0, 0, 0, 0, 0, 0, 0, &*ti, 1, &occupied, &allocated );
std::cout << std::left << std::setw( maxlen ) << name << ' ' << std::right << std::setw( DTYPE_WIDTH )
<< tag_type_string( mb, *ti ) << ' ' << std::right << std::setw( STORAGE_WIDTH )
<< tag_storage_string( mb, *ti ) << ' ' << std::right << std::setw( MEM_WIDTH )
<< memstr( occupied ) << ' ' << std::right << std::setw( MEM_WIDTH ) << memstr( allocated )
<< std::endl;
}
} // end per_tag
if( totals )
{
// print summary of overall memory use
get_mem_stats( mb, stats );
std::cout << std::endl
<< "TOTAL: (Used/Allocated)" << std::endl
<< "memory: " << memstr( stats.total_storage ) << "/" << memstr( stats.total_amortized )
<< std::endl
<< "entity: " << memstr( stats.entity_storage ) << "/" << memstr( stats.entity_amortized )
<< std::endl
<< "adjacency: " << memstr( stats.adjacency_storage ) << "/" << memstr( stats.adjacency_amortized )
<< std::endl
<< "tag: " << memstr( stats.tag_storage ) << "/" << memstr( stats.tag_amortized ) << std::endl
<< std::endl;
} // end totals
if( sysstats )
{
std::FILE* filp = std::fopen( "/proc/self/stat", "r" );
unsigned long long vsize;
long rss;
if( filp && 2 == std::fscanf( filp,
"%*d " // pid
"%*s " // comm
"%*c " // state
"%*d " // ppid
"%*d " // pgrp
"%*d " // session
"%*d " // tty_nr
"%*d " // tpgid
"%*u " // flags
"%*u " // minflt
"%*u " // cminflt
"%*u " // majflt
"%*u " // cmajflt
"%*u " // utime
"%*u " // stime
"%*d " // cutime
"%*d " // cstime
"%*d " // priority
"%*d " // nice
"%*d " // num_threads
"%*d " // itrealvalue
"%*u " // starttime
"%llu " // vsize
"%ld", // rss
&vsize, &rss ) )
{
#ifndef _WIN32
long long tmprss = rss * getpagesize();
#endif
std::cout << std::endl
<< "SYSTEM:" << std::endl
<< "Virtual memory: " << memstr( vsize )
#ifndef _WIN32
<< std::endl
<< "Resident set size: " << memstr( tmprss )
#endif
<< std::endl;
}
else
{
#ifndef _WIN32
struct rusage sysdata;
if( getrusage( RUSAGE_SELF, &sysdata ) )
{
std::cerr << "getrusage failed" << std::endl;
}
else
{
rss = sysdata.ru_maxrss;
long long tmprss = rss * getpagesize();
std::cerr << std::endl
<< "SYSTEM:" << std::endl
<< "Resident set size: " << memstr( tmprss ) << std::endl;
}
#endif
}
if( filp ) fclose( filp );
} // end sysstats
}
| static unsigned long long rdiv | ( | unsigned long long | num, |
| unsigned long long | den | ||
| ) | [static] |
| std::string tag_storage_string | ( | moab::Interface & | mb, |
| moab::Tag | tag | ||
| ) | [static] |
Definition at line 475 of file mbmem.cpp.
References ErrorCode, MB_SUCCESS, MB_TAG_BIT, MB_TAG_DENSE, MB_TAG_SPARSE, moab::Interface::tag_get_type(), and TagType.
Referenced by print_memory_stats().
{
moab::ErrorCode rval;
moab::TagType type;
rval = mb.tag_get_type( tag, type );
if( moab::MB_SUCCESS != rval ) return std::string();
switch( type )
{
case moab::MB_TAG_DENSE:
return "dense";
case moab::MB_TAG_SPARSE:
return "sparse";
case moab::MB_TAG_BIT:
return "bit";
default:
return "(none)";
}
}
| std::string tag_type_string | ( | moab::Interface & | mb, |
| moab::Tag | tag | ||
| ) | [static] |
Definition at line 425 of file mbmem.cpp.
References ErrorCode, MB_SUCCESS, MB_TYPE_BIT, MB_TYPE_DOUBLE, MB_TYPE_HANDLE, MB_TYPE_INTEGER, MB_TYPE_OPAQUE, MB_VARIABLE_DATA_LENGTH, size, moab::Interface::tag_get_data_type(), and moab::Interface::tag_get_length().
Referenced by print_memory_stats().
{
moab::ErrorCode rval;
std::ostringstream s;
moab::DataType type;
rval = mb.tag_get_data_type( tag, type );
if( moab::MB_SUCCESS != rval ) return std::string();
int typesize;
std::string typestr;
switch( type )
{
case moab::MB_TYPE_INTEGER:
typestr = "int";
typesize = sizeof( int );
break;
case moab::MB_TYPE_DOUBLE:
typestr = "double";
typesize = sizeof( double );
break;
case moab::MB_TYPE_HANDLE:
typestr = "handle";
typesize = sizeof( moab::EntityHandle );
break;
case moab::MB_TYPE_BIT:
typesize = 1;
typestr = "bits";
break;
case moab::MB_TYPE_OPAQUE:
typesize = 1;
typestr = "bytes";
break;
default:
typesize = 1;
typestr = "???";
break;
}
int size;
rval = mb.tag_get_length( tag, size );
if( moab::MB_VARIABLE_DATA_LENGTH == rval )
s << "VAR " << typestr;
else if( moab::MB_SUCCESS == rval )
s << size / typesize << " " << typestr;
// else do nothing
return s.str();
}
| static void usage | ( | const char * | argv0, |
| bool | help = false |
||
| ) | [static] |
Definition at line 18 of file mbmem.cpp.
References help().
{
std::ostream& str = help ? std::cout : std::cerr;
str << "Usage: " << argv0 << " [-H|-b|-k|-m] <filename> [<filename> ...]" << std::endl
<< " " << argv0 << " [-H|-b|-k|-m] -T" << std::endl;
if( !help )
{
str << " " << argv0 << " -h" << std::endl;
std::exit( 1 );
}
std::cerr << " -H : human readable units" << std::endl
<< " -b : bytes" << std::endl
<< " -k : kilobytes (1 kB == 1024 bytes)" << std::endl
<< " -m : megabytes (1 MB == 1024 kB)" << std::endl
<< " -g : gigabytes (1 GB == 1024 MB)" << std::endl
<< " -T : test mode" << std::endl
<< std::endl;
std::exit( 0 );
}
1.7.6.1.
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