Re: Fw: [PATCH] memcg: add reclaim statistics accounting

[KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>]

On Wed, 27 Apr 2011 21:40:06 -0700
Ying Han <yinghan@google.com> wrote:

> On Wed, Apr 27, 2011 at 9:27 PM, KAMEZAWA Hiroyuki
> <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> > On Wed, 27 Apr 2011 21:24:30 -0700
> > Ying Han <yinghan@google.com> wrote:

> > BTW, ff I add more statistics, I'll add per-node statistics.
> > Hmm, memory.node_stat is required ?
> 
> Yes and this will be useful. One of the stats I would like add now is
> the number of pages allocated on behalf of the memcg per numa node.
> This is a piece of useful information to evaluate the numa locality
> correlated to the application
> performance.
> 
> I was wondering where to add the stats and memory.stat seems not to be
> the best fit. If we have memory.node_stat, that would be a good place
> for those kind of info?
> 

Maybe it's better to add memory.node_stat ....memory.stat seems a bit long ;)
I'd like to consider to add a tool to grab information easily under somewhere
...as cgroup-top.

Thanks,
-Kame

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