Re: [PATCH] 2.6.0-test4 -- add context switch counters

[William Lee Irwin III <wli@holomorphy.com>]

On Wed, Aug 27, 2003 at 05:39:27PM +1000, Peter Chubb wrote:
> To calculate these you need a timestamp for last change, and a set of
> counters.
> Then code to update all the counters every time one of the sizes
> change (otherwise you need a timestamp for each counter) by adding
> current_size*(current_time - last_change_time) to each counter.

Hmm. Building a tiny integrated counter ADT sounds useful; I can just
park it on something easy like RSS and we can use it to crush the rest
when there's enough machinery to keep the non-integrated counters.


-- wli