How to get cpu utilization through code with least overhead?

[Jonathan Neuschäfer]

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