You can use QElapsedTimer [doc.qt.nokia.com] or Q_BENCHMARK [doc.qt.nokia.com] of the QtTest [doc.qt.nokia.com] module, which allows for measuring various performance metrics (Walltime, tick counter, Valgrind/Callgrind, Event Counter).

Hi, Thanks for fast reply.Im using Qt 4.4 but those classes are introduced in 4.7. Any other solution?

QTime [doc.qt.nokia.com] should do the trick too.

This i have tried out. It ll be fine if i get any tool to do this work.

What is your ultimate goal? Do you want to hunt for bottlenecks in your application, or are you actually interested in the time a function took at runtime when the application is on your user’s machine? In the first case, I suggest you use a tool like valgrind instead. In the second case, QTime will do just fine. Just do something like this:

Hi, Thank u very much. I ll find more about that tool.