Messages in this thread | | | Date | Thu, 5 Nov 2009 10:04:01 -0500 (EST) | From | Christoph Lameter <> | Subject | Re: [PATCH] show per-process swap usage via procfs |
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On Thu, 5 Nov 2009, KOSAKI Motohiro wrote:
> > On Wed, 4 Nov 2009, KAMEZAWA Hiroyuki wrote: > > > > > Now, anon_rss and file_rss is counted as RSS and exported via /proc. > > > RSS usage is important information but one more information which > > > is often asked by users is "usage of swap".(user support team said.) > > > > Hmmm... Could we do some rework of the counters first so that they are per > > cpu? > > per-cpu swap counter? > It seems overkill effort....
The other alternative is to use atomic ops which are significantly slower and have an impact on critical sections.
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