Re: [RFC][-mm] [1/2] Simple stats for cpu resource controller

[Balaji Rao]

On Sunday 06 April 2008 12:26:16 am Dhaval Giani wrote:
> On Sat, Apr 05, 2008 at 11:39:46PM +0530, Balaji Rao wrote:
> > This patch implements some trivial statistics for the CPU controller.
> > 
> > As per our current requirements, we have decided to keep the stats tick 
based as opposed to using CFS precise accounting.
> > 
> 
> A quick question? Why? Everywhere in the CFS we use precise accounting,
> (even within the CPU controller). Doesn't make sense using ticks here
> then.
> 
Using CFS precise accounting has a cost (see task_utime and task_stime). 
Currently our requirements don't call for precise statistics.

-- 
regards,
Balaji Rao
Dept. of Mechanical Engineering,
National Institute of Technology Karnataka, India
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