__itt_thread_set_name
void ITTAPI __itt_thread_set_name (const char * name)
Normally, the Intel® GPA Platform Analyzer displays each thread in your application in a timeline track with a default label generated from the process ID and the thread ID. You can override this default label with a custom name by calling __itt_thread_set_name() from each thread that you need to name.
Parameters:
[in] name The thread name