Subject: Re: [RFC PATCH] LTTng instrumentation mm (updated)
From: Dave Hansen <haveblue@us.ibm.com>
To: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: "Frank Ch. Eigler" <fche@redhat.com>, akpm@linux-foundation.org,
       linux-kernel@vger.kernel.org, linux-mm@kvack.org, mbligh@google.com
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Date: Tue, 04 Dec 2007 11:40:59 -0800
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On Tue, 2007-12-04 at 14:25 -0500, Mathieu Desnoyers wrote:
> 
> - I also dump the equivalent of /proc/swaps (with kernel internal
>   information) at trace start to know what swap files are currently
>   used.

What about just enhancing /proc/swaps so that this information can be
useful to people other than those doing traces?

Now that we have /proc/$pid/pagemap, we expose some of the same
information about which userspace virtual addresses are stored where and
in which swapfile.  

-- Dave

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