qgsruntimeprofiler.h

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#ifndef QGSRUNTIMEPROFILER_H
#define QGSRUNTIMEPROFILER_H

#include <QTime>
#include <QPair>
#include <QStack>

class CORE_EXPORT QgsRuntimeProfiler
{
  public:
    QgsRuntimeProfiler();

    static QgsRuntimeProfiler * instance();

    void beginGroup( const QString& name );

    void endGroup();

    void start( const QString& name );

    void end();

    const QList<QPair<QString, double > > profileTimes() const { return mProfileTimes; }

    void clear();

    double totalTime();

  private:
    static QgsRuntimeProfiler* mInstance;

    QString mGroupPrefix;
    QStack<QString> mGroupStack;
    QTime mProfileTime;
    QString mCurrentName;
    QList<QPair<QString, double > > mProfileTimes;
};

#endif // QGSRUNTIMEPROFILER_H