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-rw-r--r--src/sources/sysfreqsrc.cpp66
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 *
+ * *
+ * 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;
+}
+