From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Matt Mackall <mpm@selenic.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
William Lee Irwin III <wli@holomorphy.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/13] maps: pagemap, kpagemap, and related cleanups
Date: Fri, 13 Apr 2007 12:29:31 +1000 [thread overview]
Message-ID: <461EEB0B.2050906@yahoo.com.au> (raw)
In-Reply-To: <20070413020530.GM11115@waste.org>
Matt Mackall wrote:
> On Thu, Apr 12, 2007 at 06:57:23PM -0700, Andrew Morton wrote:
>
>>I guess one could generate an answer to the static question with systemtap,
>>by accumulating running counts across the application lifetime and then
>>snapshotting them. Sounds hard though.
>
>
> You'd have to do it from boot onward to get a complete system image.
> One way to look at it is that systemtap can give you the derivative of
> the information, and you have to integrate it.
So everyone keeps saying.
Would you tell me why you can't just traverse the data structures
in the same way as your proc handler? From the systemtap example
scripts it seems like you can traverse arbitrary kernel data
structures.
--
SUSE Labs, Novell Inc.
next prev parent reply other threads:[~2007-04-13 2:29 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-04 2:43 [PATCH 0/13] maps: pagemap, kpagemap, and related cleanups Matt Mackall
2007-04-04 2:43 ` [PATCH 1/13] maps: Uninline some functions in the page walker Matt Mackall
2007-04-04 2:43 ` [PATCH 2/13] maps: Eliminate the pmd_walker struct " Matt Mackall
2007-04-04 2:43 ` [PATCH 3/13] maps: Remove vma from args " Matt Mackall
2007-04-04 2:43 ` [PATCH 4/13] maps: Propagate errors from callback in " Matt Mackall
2007-04-04 2:43 ` [PATCH 5/13] maps: Add callbacks for each level to " Matt Mackall
2007-04-04 2:43 ` [PATCH 6/13] maps: Move the page walker code to lib/ Matt Mackall
2007-04-04 3:51 ` Nick Piggin
2007-04-04 5:08 ` Matt Mackall
2007-04-04 5:50 ` Nick Piggin
2007-04-04 21:48 ` Matt Mackall
2007-04-05 1:32 ` Nick Piggin
2007-04-05 1:50 ` Nick Piggin
2007-04-04 2:43 ` [PATCH 7/13] maps: Simplify interdependence of /proc/pid/maps and smaps Matt Mackall
2007-04-04 2:43 ` [PATCH 8/13] maps: Move clear_refs code to task_mmu.c Matt Mackall
2007-04-04 2:43 ` [PATCH 9/13] maps: Regroup task_mmu by interface Matt Mackall
2007-04-04 2:43 ` [PATCH 10/13] maps: Make /proc/pid/smaps optional under CONFIG_EMBEDDED Matt Mackall
2007-04-04 2:43 ` [PATCH 11/13] maps: Make /proc/pid/clear_refs option " Matt Mackall
2007-04-04 6:22 ` David Rientjes
2007-04-04 2:43 ` [PATCH 12/13] maps: Add /proc/pid/pagemap interface Matt Mackall
2007-04-04 11:18 ` Nikita Danilov
2007-04-04 16:32 ` Matt Mackall
2007-04-04 18:03 ` Nikita Danilov
2007-04-04 21:59 ` Matt Mackall
2007-04-04 2:43 ` [PATCH 13/13] maps: Add /proc/kpagemap interface Matt Mackall
2007-04-12 23:10 ` [PATCH 0/13] maps: pagemap, kpagemap, and related cleanups William Lee Irwin III
2007-04-12 23:32 ` Andrew Morton
2007-04-12 23:42 ` William Lee Irwin III
2007-04-13 0:25 ` Nick Piggin
2007-04-13 0:15 ` Nick Piggin
2007-04-13 0:25 ` Matt Mackall
2007-04-13 1:01 ` Nick Piggin
2007-04-13 1:38 ` Matt Mackall
2007-04-13 2:11 ` Nick Piggin
2007-04-13 0:42 ` Andrew Morton
2007-04-13 1:14 ` Nick Piggin
2007-04-13 1:22 ` Andrew Morton
2007-04-13 1:42 ` Nick Piggin
2007-04-13 1:57 ` Matt Mackall
2007-04-13 2:21 ` Nick Piggin
2007-04-13 2:23 ` Matt Mackall
2007-04-13 2:54 ` Nick Piggin
2007-04-13 12:24 ` Ananth N Mavinakayanahalli
2007-04-14 8:13 ` Maneesh Soni
2007-04-13 1:57 ` Andrew Morton
2007-04-13 2:05 ` Matt Mackall
2007-04-13 2:29 ` Nick Piggin [this message]
2007-04-13 2:18 ` Nick Piggin
2007-04-13 2:32 ` Andrew Morton
2007-04-13 2:50 ` Nick Piggin
2007-04-13 3:10 ` Nick Piggin
2007-04-13 6:53 ` William Lee Irwin III
2007-04-13 7:05 ` Nick Piggin
2007-04-13 7:51 ` Christoph Hellwig
2007-04-13 8:03 ` Nick Piggin
2007-04-13 8:13 ` Christoph Hellwig
2007-04-13 8:25 ` Nick Piggin
2007-04-13 9:46 ` Christoph Hellwig
2007-04-13 21:17 ` Frank Ch. Eigler
2007-04-16 10:59 ` Christoph Hellwig
2007-04-16 21:36 ` Andi Kleen
2007-04-16 21:01 ` Frank Ch. Eigler
2007-04-13 8:15 ` William Lee Irwin III
2007-04-13 12:13 ` Ananth N Mavinakayanahalli
2007-04-13 12:46 ` Nick Piggin
2007-04-13 3:40 ` Nick Piggin
2007-04-13 6:55 ` William Lee Irwin III
2007-04-13 7:03 ` Nick Piggin
2007-04-13 7:08 ` William Lee Irwin III
2007-04-13 14:08 ` Theodore Tso
2007-04-16 11:00 ` Christoph Hellwig
2007-04-13 17:13 ` Matt Mackall
2007-04-13 16:24 ` Matt Mackall
2007-04-13 17:03 ` Andrew Morton
2007-04-13 17:24 ` Matt Mackall
2007-04-13 17:58 ` Andrew Morton
2007-04-13 0:15 ` Matt Mackall
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