linux-kernel - Re: [PATCH RFC v2] Add /proc/pid/smaps

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Message-ID: <6d20ced6-a7ca-f4b9-81eb-e34517f97644@infradead.org>
Date:   Wed, 9 Aug 2017 18:24:43 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Daniel Colascione <dancol@...gle.com>,
        linux-kernel@...r.kernel.org, timmurray@...gle.com,
        joelaf@...gle.com, viro@...iv.linux.org.uk,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH RFC v2] Add /proc/pid/smaps_rollup

On 08/09/2017 05:15 PM, Daniel Colascione wrote:
> 
> diff --git a/Documentation/ABI/testing/procfs-smaps_rollup b/Documentation/ABI/testing/procfs-smaps_rollup
> new file mode 100644
> index 000000000000..fd5a3699edf1
> --- /dev/null
> +++ b/Documentation/ABI/testing/procfs-smaps_rollup
> @@ -0,0 +1,34 @@
> +What:		/proc/pid/smaps_Rollup

        		          smaps_rollup

\although I would prefer smaps_summary. whatever.

> +Date:		August 2017
> +Contact:	Daniel Colascione <dancol@...gle.com>
> +Description:
> +		This file provides pre-summed memory information for a
> +		process.  The format is identical to /proc/pid/smaps,
> +		except instead of an entry for each VMA in a process,
> +		smaps_rollup has a single entry (tagged "[rollup]")
> +		for which each field is the sum of the corresponding
> +		fields from all the maps in /proc/pid/smaps.
> +		For more details, see the procfs man page.


-- 
~Randy