From: Robin Holt <holt@sgi.com>
To: Matt Mackall <mpm@selenic.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Tony Luck <tony.luck@gmail.com>,
fengguang.wu@intel.com, mingo@elte.hu, rostedt@goodmis.org,
fweisbec@gmail.com, lwoodman@redhat.com, a.p.zijlstra@chello.nl,
penberg@cs.helsinki.fi, eduard.munteanu@linux360.ro,
linux-kernel@vger.kernel.org, kosaki.motohiro@jp.fujitsu.com,
andi@firstfloor.org, adobriyan@gmail.com, linux-mm@kvack.org
Subject: Re: [PATCH 5/5] proc: export more page flags in /proc/kpageflags
Date: Tue, 28 Apr 2009 19:02:57 -0500 [thread overview]
Message-ID: <20090429000257.GB7601@sgi.com> (raw)
In-Reply-To: <1240955395.938.1031.camel@calx>
On Tue, Apr 28, 2009 at 04:49:55PM -0500, Matt Mackall wrote:
> > Reading the state of all of memory in this fashion would be a somewhat
> > peculiar thing to do.
>
> Not entirely. If you've got, say, a large NUMA box, it could be
> incredibly illustrative to see that "oh, this node is entirely dominated
> by SLAB allocations". Or on a smaller machine "oh, this is fragmented to
> hell and there's no way I'm going to get a huge page". Things you're not
> going to get from individual stats.
I have, in the past, simply used grep on
/sys/devices/system/node/node*/meminfo and gotten the individual stats
I was concerned about. Not sure how much more detail would have been
needed or useful. I don't think I can recall a time where I needed to
write another tool.
Thanks,
Robin
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next prev parent reply other threads:[~2009-04-29 0:03 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-28 1:09 [PATCH 0/5] proc: export more page flags in /proc/kpageflags (take 4) Wu Fengguang
2009-04-28 1:09 ` [PATCH 1/5] pagemap: document clarifications Wu Fengguang
2009-04-28 7:11 ` Tommi Rantala
2009-04-28 1:09 ` [PATCH 2/5] pagemap: documentation 9 more exported page flags Wu Fengguang
2009-04-28 1:09 ` [PATCH 3/5] mm: introduce PageHuge() for testing huge/gigantic pages Wu Fengguang
2009-04-28 1:09 ` [PATCH 4/5] proc: kpagecount/kpageflags code cleanup Wu Fengguang
2009-04-28 1:09 ` [PATCH 5/5] proc: export more page flags in /proc/kpageflags Wu Fengguang
2009-04-28 6:55 ` Ingo Molnar
2009-04-28 7:40 ` Andi Kleen
2009-04-28 9:04 ` Pekka Enberg
2009-04-28 9:10 ` Andi Kleen
2009-04-28 9:15 ` Pekka Enberg
2009-04-28 9:15 ` Ingo Molnar
2009-04-28 9:19 ` Pekka Enberg
2009-04-28 9:25 ` Pekka Enberg
2009-04-28 9:36 ` Wu Fengguang
2009-04-28 9:36 ` Ingo Molnar
2009-04-28 9:57 ` Pekka Enberg
2009-04-28 10:10 ` KOSAKI Motohiro
2009-04-28 10:21 ` Pekka Enberg
2009-04-28 10:56 ` Ingo Molnar
2009-04-28 11:09 ` KOSAKI Motohiro
2009-04-28 12:42 ` Ingo Molnar
2009-04-28 11:03 ` Ingo Molnar
2009-04-28 17:42 ` Matt Mackall
2009-04-28 9:29 ` Ingo Molnar
2009-04-28 9:34 ` KOSAKI Motohiro
2009-04-28 9:38 ` Ingo Molnar
2009-04-28 9:55 ` Wu Fengguang
2009-04-28 10:11 ` KOSAKI Motohiro
2009-04-28 11:05 ` Ingo Molnar
2009-04-28 11:36 ` Wu Fengguang
2009-04-28 12:17 ` [rfc] object collection tracing (was: [PATCH 5/5] proc: export more page flags in /proc/kpageflags) Ingo Molnar
2009-04-28 13:31 ` Wu Fengguang
2009-05-12 13:01 ` Frederic Weisbecker
2009-05-17 13:36 ` Wu Fengguang
2009-05-17 13:55 ` Frederic Weisbecker
2009-05-17 14:12 ` Wu Fengguang
2009-05-18 11:44 ` KOSAKI Motohiro
2009-05-18 11:47 ` Wu Fengguang
2009-04-28 10:18 ` [PATCH 5/5] proc: export more page flags in /proc/kpageflags Andi Kleen
2009-04-28 8:33 ` Wu Fengguang
2009-04-28 9:24 ` Ingo Molnar
2009-04-28 18:11 ` Tony Luck
2009-04-28 18:34 ` Matt Mackall
2009-04-28 20:47 ` Tony Luck
2009-04-28 20:54 ` Andi Kleen
2009-04-28 20:59 ` Matt Mackall
2009-04-28 21:17 ` Andrew Morton
2009-04-28 21:49 ` Matt Mackall
2009-04-29 0:02 ` Robin Holt [this message]
2009-04-28 17:49 ` Matt Mackall
2009-04-29 8:05 ` Wu Fengguang
2009-04-29 19:13 ` Matt Mackall
2009-04-30 1:00 ` Wu Fengguang
2009-04-28 21:32 ` Andrew Morton
2009-04-28 22:46 ` Matt Mackall
2009-04-28 23:02 ` Andrew Morton
2009-04-28 23:31 ` Matt Mackall
2009-04-28 23:42 ` Andrew Morton
2009-04-28 23:55 ` Matt Mackall
2009-04-29 3:33 ` Wu Fengguang
2009-04-29 2:38 ` Wu Fengguang
2009-04-29 2:55 ` Andrew Morton
2009-04-29 3:48 ` Wu Fengguang
2009-04-29 5:09 ` Wu Fengguang
2009-04-29 4:41 ` Nathan Lynch
2009-04-29 4:50 ` Andrew Morton
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