linux-kernel - Re: [RFC][-mm] [2/2] Simple stats for memory resource controller

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Message-ID: <47EA9BB0.3030202@linux.vnet.ibm.com>
Date:	Thu, 27 Mar 2008 00:23:36 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Paul Menage <menage@...gle.com>
CC:	Balaji Rao <balajirrao@...il.com>, linux-kernel@...r.kernel.org,
	containers@...ts.osdl.org, balbir@...ibm.com,
	dhaval@...ux.vnet.ibm.com
Subject: Re: [RFC][-mm] [2/2] Simple stats for memory resource controller

Paul Menage wrote:
> On Wed, Mar 26, 2008 at 11:18 AM, Balaji Rao <balajirrao@...il.com> wrote:
>>         [MEM_CGROUP_STAT_RSS] = { "rss", PAGE_SIZE, },
>>  +       [MEM_CGROUP_STAT_PGIN_COUNT] = {"page_in_count", 1, },
>>  +       [MEM_CGROUP_STAT_PGOUT_COUNT] = {"page_out_count", 1, },
>>   };
>>
> 
> Should these be called "pgpgin" and "pgpgout" for consistency with /proc/vmstat?
> 
> Paul

Yes, that is a good name. We also want to instantaneous metrics like
page_in_count per second and page_out_count per second to help the administrator
monitor what is going on within the tasks in the cgroup w.r.t. memory.


-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
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