Qtime 시간측정 예제

#include <QDebug>
#include <QElapsedTimer>
 
...
...
...
 
QElapsedTimer timer;
qint64 nanoSec;
timer.start();
 
<<do somthing...>>
 
nanoSec = timer.nsecsElapsed();    
qDebug() << timer.elapsed() << ", " << nanoSec;