From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Liu Yuan" <namei.unix@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
jaxboe@fusionio.com, akpm@linux-foundation.org,
fengguang.wu@intel.com, "Peter Zijlstra" <a.p.zijlstra@chello.nl>,
"Frédéric Weisbecker" <fweisbec@gmail.com>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Arnaldo Carvalho de Melo" <acme@redhat.com>
Subject: Re: [RFC PATCH 4/5] mm: Add hit/miss accounting for Page Cache
Date: Wed, 02 Mar 2011 09:02:06 -0800 [thread overview]
Message-ID: <1299085326.8493.820.camel@nimitz> (raw)
In-Reply-To: <20110302084542.GA20795@elte.hu>
On Wed, 2011-03-02 at 09:45 +0100, Ingo Molnar wrote:
> But, instead of trying to improve those aspects of our existing instrumentation
> frameworks, mm/* is gradually growing its own special instrumentation hacks, missing
> the big picture and fragmenting the instrumentation space some more.
>
> That trend is somewhat sad.
Go any handy examples of how you'd like to see these done?
We're trying to add a batch of these for transparent huge pages, and
there was a similar set for KSM, so there's certainly no shortage of
potential sites.
-- Dave
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next prev parent reply other threads:[~2011-03-02 17:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <no>
2011-03-02 8:38 ` [RFC PATCH 1/5] x86/Kconfig: Add Page Cache Accounting entry Liu Yuan
2011-03-02 16:24 ` Randy Dunlap
2011-03-03 3:11 ` Liu Yuan
2011-03-02 8:38 ` [RFC PATCH 2/5] block: Add functions and data types for Page Cache Accounting Liu Yuan
2011-03-02 8:38 ` [RFC PATCH 3/5] block: Make Page Cache counters work with sysfs Liu Yuan
2011-03-02 8:38 ` [RFC PATCH 4/5] mm: Add hit/miss accounting for Page Cache Liu Yuan
2011-03-02 8:45 ` Ingo Molnar
2011-03-02 17:02 ` Dave Hansen [this message]
2011-03-02 18:49 ` Ingo Molnar
2011-03-03 0:33 ` Wu Fengguang
2011-03-03 2:01 ` KOSAKI Motohiro
2011-03-03 3:14 ` Tao Ma
2011-03-03 9:34 ` Ingo Molnar
2011-03-03 15:08 ` Tao Ma
2011-03-02 8:38 ` [RFC PATCH 5/5] mm: Add readpages accounting Liu Yuan
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