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From: Cong Wang <amwang@redhat.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: linux-kernel@vger.kernel.org, Jiri Pirko <jpirko@redhat.com>,
	Hugh Dickins <hugh.dickins@tiscali.co.uk>,
	Oleg Nesterov <oleg@redhat.com>,
	akpm@linux-foundation.org, Ingo Molnar <mingo@elte.hu>
Subject: Re: [RFC Patch] getrusage: fill ru_ixrss, ru_idrss and ru_isrss fields
Date: Tue, 08 Dec 2009 16:52:24 +0800	[thread overview]
Message-ID: <4B1E13C8.70704@redhat.com> (raw)
In-Reply-To: <20091208173730.B5C3.A69D9226@jp.fujitsu.com>

KOSAKI Motohiro wrote:
> 	The next three fields, the subject of this patch, are named ru_XXrss:
> 	though the 80-column comment omits to say "resident set" before "size",
> 	I believe they'd be expected to account (subdivided) resident set sizes?
> 
> 
> your calculation is not rss nor not integral.
> 

Hmm, I misunderstood rss here. Does it mean the memory stayed in
physical mem? i.e. not swapped out.

So, if I want to get those rss statistics, I have to add some more
mm_counter by myself? I only find file_rss and anon_rss in mm_struct.

Thanks.


  reply	other threads:[~2009-12-08  8:50 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-08  8:30 [RFC Patch] getrusage: fill ru_ixrss, ru_idrss and ru_isrss fields Amerigo Wang
2009-12-08  8:39 ` KOSAKI Motohiro
2009-12-08  8:52   ` Cong Wang [this message]
2009-12-08  9:21     ` KOSAKI Motohiro
2009-12-08  9:34       ` Cong Wang

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