cpuUsage.h

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#ifndef CPUUSAGE_H
#define CPUUSAGE_H
 
#include <QList>
#include <QPair>
 
#include "VFS_application.h"
 
#define MAX_SAMPLES 3600        //in seconds
 
class cpuUsage : public VFS_application
{
        Q_OBJECT
 
        public:
                Q_INVOKABLE explicit cpuUsage();
                virtual ~cpuUsage();
 
                static QString code(QString nodename, QString libname, QString &error);
 
                bool isContainer();
 
        protected:
                virtual QByteArray icon();
                void timerEvent(QTimerEvent *event);
 
        private:
        //      virtual void ls(VFS_request *r);
                virtual void read(VFS_request *r);
        //      virtual void write(VFS_request *r);
                virtual void metadata(VFS_request *r);
        //      virtual void report(VFS_request *r);
        //      virtual void submit(VFS_request *r);
        //      virtual void rm(VFS_request *r);
 
                QString runCommand(QString which);
                void getCPUSample(quint64 t);
                void getRAMSample(quint64 t);
                void getREQSample(quint64 t);
 
                QString _kernel;                                        
                int _processors;                                        
                float _scale;                                           
 
                QList< QPair<quint64,double> >  _cpuSamples;            
                QList< QPair<quint64,double> >  _ramSamples;            
                QList< QPair<quint64,quint16> > _reqSamples;            
 
                QJsonObject _cpu_diff;                                  
                QJsonObject _ram_diff;                                  
                QJsonObject _req_diff;                                  
 
        private slots:
                virtual void initialize();
};
 
#endif // CPUUSAGE_H