Hi Anil, You can use trace-cmd to trace kernel function flow for any application Below link will help you. http://elinux.org/Ftrace -Anand Moon On Tuesday, July 15, 2014 8:07 PM, Anil Joshi <aj27744@xxxxxxxxx> wrote: Hi All, I am just new to all this,just wanted to trace the path of the packet since it enter the system(inside the kernel (functions and system calls)) and reaches the destination application. How to do that. Regards _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies ; _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies