Dear Mr. Subash,
Praveen Here i am also searching for the same as U R searching.
"how to find out how much memory is occupied by a complete application( C or C++ ), from starting of main() function to end of main()."
could U pls send the code you have written to calculate CPU Time taken by the program. Pls send the acknowledge for this mail. I will be waiting eagarly for Ur reply.

Thanks & Regards
Praveen Kumar K.

Please contact to:
Praveen Kumar K.
Firmware Engineer,
Optiwave photonics Ltd
plot#70,Road#10,IDA,
Mallapur,
Hyderabad
A.P-500076
India
Mobile No.09866472772