How to access session directly in /view files ? $this->session->userdata();

[eluser]web_developer[/eluser]
I have some common files which includes in all pages of the site
like Footer Part, Left Panel part, etc..

Now I have one session variable $this->session->userdata('user');
it's working properly in controller. But when I try to echo in Footer or lefpanel bar then it's not printing.

Why it's not coming? I could not access session variable directly in view pages?

This files are including entire whole project. So what is the best solution to access session? to directly in /view?