Messages in this thread |  | | From | Balaji Rao <> | Subject | Re: [RFC][-mm] [1/2] Simple stats for cpu resource controller | Date | Sun, 6 Apr 2008 00:39:02 +0530 |
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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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