diff options
Diffstat (limited to 'src/sources/sysfreqsrc.cpp')
-rw-r--r-- | src/sources/sysfreqsrc.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/sources/sysfreqsrc.cpp b/src/sources/sysfreqsrc.cpp new file mode 100644 index 0000000..239f20b --- /dev/null +++ b/src/sources/sysfreqsrc.cpp @@ -0,0 +1,66 @@ +/*************************************************************************** + * 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; +} + |