Thanks !!
I looked at the code for top command again and I could see /proc/stat being used. So I guess
that should be the best way to do it.


On Fri, Jul 29, 2011 at 12:15 PM, Jonathan Neuschäfer <j.neuschaefer@gmx.net> wrote:
On Thu, Jul 28, 2011 at 04:56:16PM -0700, Vaibhav Jain wrote:
> Hi,
>
> Is there any other way to do this? If I need to write a kernel module that
> needs to get cpu utilization
> should I still use proc/stat ? Is there a kernel function that can be used
> in a module ?

To get the information that's shown in /proc/stat, I'd suggest having a
look at fs/proc/stat.c in the kernel tree.

HTH,
       Jonathan Neuschäfer