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/***************************************************************************
* Copyright (C) 2006 by Ken Werner *
* [email protected] *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "sysfreqsrc.h"
#include <qtextstream.h>
#include <qfile.h>
#include <qdir.h>
#include <klocale.h>
SysFreqSrc::SysFreqSrc(QWidget* inParent, const QFile& inSourceFile):
LabelSource(inParent),
mSourceFile(inSourceFile.name()),
mTrigger(this){
mID = "cpufreq" + mSourceFile.name().section( '/', -3, -3, QString::SectionSkipEmpty ).remove("cpu");
mName = mID;
mDescription = i18n("This source is provided by the Linux kernel cpufreq subsystem.");
}
SysFreqSrc::~SysFreqSrc(){
}
std::list<Source*>SysFreqSrc::createInstances(QWidget* inParent){
std::list<Source*> list;
QDir cpuDir( "/sys/devices/system/cpu" );
if ( cpuDir.exists() ){
cpuDir.setFilter( QDir::Dirs | QDir::NoSymLinks );
cpuDir.setSorting( QDir::Name);
for ( unsigned int i = 0; i < cpuDir.count(); i++ ){
if(cpuDir[i].startsWith("cpu")){
QFile sysFreqFile(cpuDir.canonicalPath() + "/" + cpuDir[i] + "/cpufreq/scaling_cur_freq");
if(sysFreqFile.open(IO_ReadOnly))
list.push_back(new SysFreqSrc(inParent, sysFreqFile));
}
}
}
return list;
}
QString SysFreqSrc::fetchValue(){
QString s = "n/a";
if(mSourceFile.open(IO_ReadOnly)){
QTextStream textStream(&mSourceFile);
s = KHzinHumanReadable(textStream.readLine().toUInt());
mSourceFile.close();
}
return s;
}
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