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//
// Rewritten for Solaris by Arno Augustin 1999
// augustin@informatik.uni-erlangen.de
//
#include "diskmeter.h"
#include <stdlib.h>
DiskMeter::DiskMeter( XOSView *parent, kstat_ctl_t *kc, float max )
: FieldMeterGraph( parent, 3, "DISK", "READ/WRITE/IDLE" )
{
_kc = kc;
_read_prev = _write_prev = 0;
_maxspeed = max;
_disks = KStatList::getList(_kc, KStatList::DISKS);
}
DiskMeter::~DiskMeter( void )
{
}
void DiskMeter::checkResources( void )
{
FieldMeterGraph::checkResources();
setfieldcolor( 0, parent_->getResource("diskReadColor") );
setfieldcolor( 1, parent_->getResource("diskWriteColor") );
setfieldcolor( 2, parent_->getResource("diskIdleColor") );
priority_ = atoi( parent_->getResource("diskPriority") );
dodecay_ = parent_->isResourceTrue("diskDecay");
useGraph_ = parent_->isResourceTrue("diskGraph");
SetUsedFormat( parent_->getResource("diskUsedFormat") );
}
void DiskMeter::checkevent( void )
{
getdiskinfo();
drawfields();
}
void DiskMeter::getdiskinfo( void )
{
total_ = _maxspeed;
kstat_io_t kio;
uint64_t read_curr = 0, write_curr = 0;
_disks->update(_kc);
IntervalTimerStop();
for (unsigned int i = 0; i < _disks->count(); i++) {
if ( kstat_read(_kc, (*_disks)[i], &kio) == -1 )
continue;
XOSDEBUG("%s: %llu bytes read %llu bytes written.\n",
(*_disks)[i]->ks_name, kio.nread, kio.nwritten);
read_curr += kio.nread;
write_curr += kio.nwritten;
}
if (_read_prev == 0)
_read_prev = read_curr;
if (_write_prev == 0)
_write_prev = write_curr;
double t = IntervalTimeInSecs();
fields_[0] = (double)(read_curr - _read_prev) / t;
fields_[1] = (double)(write_curr - _write_prev) / t;
IntervalTimerStart();
_read_prev = read_curr;
_write_prev = write_curr;
if (fields_[0] < 0)
fields_[0] = 0;
if (fields_[1] < 0)
fields_[1] = 0;
if (fields_[0] + fields_[1] > total_)
total_ = fields_[0] + fields_[1];
fields_[2] = total_ - (fields_[0] + fields_[1]);
setUsed(fields_[0] + fields_[1], total_);
}
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