This is very alike to the situation when the VTune project has been created with the option of stop collection after duration of 20 seconds (default value). In this case the data could not be collected because the application has been killed by VTune launcher before it got completed. Please, check the activity properties and make sure that duration is set to 0, which means that the collection stops when the application exits itself.
I read your forum. It seems to be you are user of V tune Performance analyser.
I want information about vtune. I want to know how to use it? How to analyse the result? V tune is completely new to me.
Do you know any site which give complete information about vtune, how to use it? and about the result.
please send the information on my email id