From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Fengguang Wu <wfg@mail.ustc.edu.cn>,
John Berthels <jjberthels@gmail.com>,
Denys Vlasenko <vda.linux@googlemail.com>,
Matt Mackall <mpm@selenic.com>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Userspace tools (was Re: [PATCH][RESEND] maps: PSS(proportional set size) accounting in smaps)
Date: Mon, 17 Sep 2007 12:38:50 +0530 [thread overview]
Message-ID: <46EE2802.1000007@linux.vnet.ibm.com> (raw)
In-Reply-To: <20070916235120.713c6102.akpm@linux-foundation.org>
Andrew Morton wrote:
> On Mon, 17 Sep 2007 10:40:54 +0800 Fengguang Wu <wfg@mail.ustc.edu.cn> wrote:
>
>> Matt Mackall's pagemap/kpagemap and John Berthels's exmap can also do the job.
>> They are comprehensive tools. But for PSS, let's do it in the simple way.
>
> right. I'm rather reluctant to merge anything which could have been done from
> userspace via the maps2 interfaces.
>
> See, this is why I think the kernel needs a ./userspace-tools/ directory. If
> we had that, you might have implemented this as a little proglet which parses
> the maps2 files. But we don't have that, so you ended up doing it in-kernel.
Andrew, I second the userspace-tools idea. I would also add an FAQ in
that directory, explaining what problem each tool solves. I think your
page cache control program would be a great example of something to put
in there.
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
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next prev parent reply other threads:[~2007-09-17 7:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-17 2:40 [PATCH][RESEND] maps: PSS(proportional set size) accounting in smaps Fengguang Wu
2007-09-17 2:40 ` Fengguang Wu
2007-09-17 6:51 ` Andrew Morton
2007-09-17 7:08 ` Balbir Singh [this message]
2007-09-17 9:00 ` Userspace tools (was Re: [PATCH][RESEND] maps: PSS(proportional set size) accounting in smaps) Christoph Hellwig
2007-09-17 9:11 ` Balbir Singh
2007-09-17 9:15 ` Christoph Hellwig
2007-09-17 12:29 ` Userspace tools Karel Zak
2007-09-17 9:13 ` Userspace tools (was Re: [PATCH][RESEND] maps: PSS(proportional set size) accounting in smaps) Andrew Morton
2007-09-17 7:21 ` [PATCH][RESEND] maps: PSS(proportional set size) accounting in smaps Fengguang Wu
2007-09-17 7:21 ` Fengguang Wu
2007-09-17 16:10 ` Matt Mackall
2007-09-17 17:49 ` Denys Vlasenko
2007-09-19 8:37 ` John Berthels
2007-09-19 8:56 ` Fengguang Wu
2007-09-19 8:56 ` Fengguang Wu
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