Re: [PATCH 7/8] kstaled: add histogram sampling functionality

Andrew Morton
2011-09-22T23:15:47Z

On Fri, 16 Sep 2011 20:39:12 -0700
Michel Lespinasse <walken@google.com> wrote:

> add statistics for pages that have been idle for 1,2,5,15,30,60,120 or
> 240 scan intervals into /dev/cgroup/*/memory.idle_page_stats

Why? What's the use case for this feature?