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//
// Copyright (c) 1994, 1995 by Mike Romberg ( romberg@fsl.noaa.gov )
//
// This file may be distributed under terms of the GPL
//
#include "cpumeter.h"
#include "xosview.h"
#include <sys/pstat.h>
#include <stdlib.h>
CPUMeter::CPUMeter( XOSView *parent )
: FieldMeterGraph( parent, 5, "CPU", "USR/NICE/SYS/INT/FREE" ){
for ( int i = 0 ; i < 2 ; i++ )
for ( int j = 0 ; j < 5 ; j++ )
cputime_[i][j] = 0;
cpuindex_ = 0;
}
CPUMeter::~CPUMeter( void ){
}
void CPUMeter::checkResources( void ){
FieldMeterGraph::checkResources();
setfieldcolor( 0, parent_->getResource( "cpuUserColor" ) );
setfieldcolor( 1, parent_->getResource( "cpuNiceColor" ) );
setfieldcolor( 2, parent_->getResource( "cpuSystemColor" ) );
setfieldcolor( 3, parent_->getResource( "cpuInterruptColor" ) );
setfieldcolor( 4, parent_->getResource( "cpuFreeColor" ) );
priority_ = atoi (parent_->getResource( "cpuPriority" ) );
dodecay_ = parent_->isResourceTrue( "cpuDecay" );
useGraph_ = parent_->isResourceTrue( "cpuGraph" );
SetUsedFormat( parent_->getResource( "cpuUsedFormat" ) );
}
void CPUMeter::checkevent( void ){
getcputime();
drawfields();
}
void CPUMeter::getcputime( void ){
total_ = 0;
struct pst_dynamic stats;
pstat_getdynamic( &stats, sizeof( struct pst_dynamic ), 1, 0 );
cputime_[cpuindex_][0] = stats.psd_cpu_time[0];
cputime_[cpuindex_][1] = stats.psd_cpu_time[1];
cputime_[cpuindex_][2] = stats.psd_cpu_time[2];
cputime_[cpuindex_][3] = stats.psd_cpu_time[4];
cputime_[cpuindex_][4] = stats.psd_cpu_time[3];
int oldindex = (cpuindex_+1)%2;
for ( int i = 0 ; i < 5 ; i++ ){
fields_[i] = cputime_[cpuindex_][i] - cputime_[oldindex][i];
total_ += fields_[i];
}
cpuindex_ = (cpuindex_ + 1) % 2;
if (total_){
setUsed( total_ - fields_[4], total_ );
}
}
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