From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755247AbYDESQn (ORCPT ); Sat, 5 Apr 2008 14:16:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754710AbYDESQQ (ORCPT ); Sat, 5 Apr 2008 14:16:16 -0400 Received: from wf-out-1314.google.com ([209.85.200.173]:50899 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754692AbYDESQP (ORCPT ); Sat, 5 Apr 2008 14:16:15 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:organization:to:subject:date:user-agent:cc:mime-version:content-disposition:content-type:content-transfer-encoding:message-id; b=QEpBC+n0gorZyWZTGiLkwoaA2lGiD4TCZzoLVGahDDCXvxCksEnXIotE6CuGiwoglvgUqMDk9BjsdxqnFFCZKtxs3Mk55+RZvnCo1iQEFwsyyT2YR9n0z4VWRWZBmc93gyoQo5GMJajK4EEl4d4AJJQvHpR1LmVFg9Mo+KHnISI= From: Balaji Rao Organization: National Institute of Technology Karnataka To: linux-kernel@vger.kernel.org Subject: [RFC][-mm] [2/2] Simple stats for memory resource controller Date: Sat, 5 Apr 2008 23:40:02 +0530 User-Agent: KMail/1.9.6 (enterprise 0.20071012.724442) Cc: containers@lists.osdl.org, menage@google.com, balbir@in.ibm.com, dhaval@linux.vnet.ibm.com MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <200804052340.02386.balajirrao@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch implements trivial statistics for the memory resource controller. Signed-off-by: Balaji Rao CC: Balbir Singh CC: Dhaval Giani diff --git a/mm/memcontrol.c b/mm/memcontrol.c index a860765..ca98b21 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -47,6 +47,8 @@ enum mem_cgroup_stat_index { */ MEM_CGROUP_STAT_CACHE, /* # of pages charged as cache */ MEM_CGROUP_STAT_RSS, /* # of pages charged as rss */ + MEM_CGROUP_STAT_PGPGIN_COUNT, /* # of pages paged in */ + MEM_CGROUP_STAT_PGPGOUT_COUNT, /* # of pages paged out */ MEM_CGROUP_STAT_NSTATS, }; @@ -198,6 +200,13 @@ static void mem_cgroup_charge_statistics(struct mem_cgroup *mem, int flags, __mem_cgroup_stat_add_safe(stat, MEM_CGROUP_STAT_CACHE, val); else __mem_cgroup_stat_add_safe(stat, MEM_CGROUP_STAT_RSS, val); + + if (charge) + __mem_cgroup_stat_add_safe(stat, + MEM_CGROUP_STAT_PGPGIN_COUNT, 1); + else + __mem_cgroup_stat_add_safe(stat, + MEM_CGROUP_STAT_PGPGOUT_COUNT, 1); } static struct mem_cgroup_per_zone * @@ -897,6 +906,8 @@ static const struct mem_cgroup_stat_desc { } mem_cgroup_stat_desc[] = { [MEM_CGROUP_STAT_CACHE] = { "cache", PAGE_SIZE, }, [MEM_CGROUP_STAT_RSS] = { "rss", PAGE_SIZE, }, + [MEM_CGROUP_STAT_PGPGIN_COUNT] = {"pgpgin", 1, }, + [MEM_CGROUP_STAT_PGPGOUT_COUNT] = {"pgpgout", 1, }, }; static int mem_control_stat_show(struct cgroup *cont, struct cftype *cft, -- regards, Balaji Rao Dept. of Mechanical Engineering, National Institute of Technology Karnataka, India