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profiler.cpp
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profiler.cpp
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#ifdef _WIN32
#include <windows.h>
#include <intrin.h>
#include "profiler.h"
long long Watchpoint::frequency = 0;
std::list < Watchpoint * >*Watchpoint::wplist = 0;
Watchpoint::Watchpoint( const char *fname )
{
if( !IsRunning( ) ) {
if( SetThreadAffinityMask( GetCurrentThread( ), 1 ) == 0 ) // Linux: sched_setaffinity
{
printf( "ERROR profiler\n" );
exit( 1 );
}
if( !QueryPerformanceFrequency( PLARGE_INTEGER( &frequency ) ) ) {
printf( "ERROR profiler\n" );
exit( 2 );
}
wplist = new std::list < Watchpoint * >;
}
name = fname;
t = 0;
n = 0;
wplist->push_back( this );
}
Watchpoint::~Watchpoint( )
{
if( !IsRunning( ) )
return;
Report( "profiler_report.txt" );
delete wplist;
wplist = 0;
}
void Watchpoint::Report( const char *filename )
{
FILE *f = fopen( filename, "wt" );
if( !f )
return;
std::list < Watchpoint * >::iterator i;
unsigned int width = 0;
for( i = wplist->begin( ); i != wplist->end( ); i++ )
if( ( *i )->name.size( ) > width )
width = ( *i )->name.size( );
if( width > 300 )
width = 200;
for( i = wplist->begin( ); i != wplist->end( ); i++ ) {
fprintf( f, "%-*s %7i %11.3f\n", width,
( *i )->name.c_str( ), ( *i )->n,
double ( ( *i )->t ) / frequency );
}
}
#endif