From: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-kernel@vger.kernel.org, h.mitake@gmail.com,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@elte.hu>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH] perf lock: clean the options for perf record
Date: Fri, 04 Mar 2011 18:41:53 +0900 [thread overview]
Message-ID: <4D70B3E1.8020108@dcl.info.waseda.ac.jp> (raw)
In-Reply-To: <AANLkTikUGO=Obm7Ue4VzEueQ7DERPiwci1VV9NmKZf1u@mail.gmail.com>
On 03/01/11 23:55, Frederic Weisbecker wrote:
> On Sat, Feb 26, 2011 at 02:10:30AM +0900, Hitoshi Mitake wrote:
>> It seems that I was too preprocessed with the method and
>> forgot the purpose...
>>
>> Maybe the things like simple lockstat visualizer or
>> special diff between two lockstat snapshots are
>> useful for the first looking at big picture.
>> I feel that they have worth to write and test.
>
> Indeed they sound like good ideas. Being able to do a diff
> on locks profiles would be useful to compare two changes on
> the kernel.
>
BTW, how do you think about the idea of exporting data in
python (or other neutral) expression from procfs? I feel it is a
good idea. Communicating with unified format between user space and
kernel space will reduce lots of parsing overhead. Is this too
aggressive or insane?
next prev parent reply other threads:[~2011-03-04 9:41 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-22 15:28 Hitoshi Mitake
2011-02-22 15:30 ` Hitoshi Mitake
2011-02-22 15:43 ` Peter Zijlstra
2011-02-22 18:22 ` Frederic Weisbecker
2011-02-23 4:17 ` Hitoshi Mitake
2011-02-24 15:46 ` Hitoshi Mitake
2011-02-24 16:50 ` Frederic Weisbecker
2011-02-25 17:10 ` Hitoshi Mitake
2011-02-28 15:00 ` [PATCH] lockstat: export data in python expression Hitoshi Mitake
2011-02-28 18:07 ` Peter Zijlstra
2011-02-28 23:48 ` Hitoshi Mitake
2011-03-04 14:08 ` Steven Rostedt
2011-03-01 14:55 ` [PATCH] perf lock: clean the options for perf record Frederic Weisbecker
2011-03-04 9:41 ` Hitoshi Mitake [this message]
2011-03-04 13:56 ` Frederic Weisbecker
2011-03-04 13:58 ` Peter Zijlstra
2011-03-04 14:21 ` Frederic Weisbecker
2011-03-09 16:41 ` Hitoshi Mitake
2011-03-04 14:37 ` Steven Rostedt
2011-03-04 14:41 ` Frederic Weisbecker
2011-03-05 17:20 ` Hitoshi Mitake
2011-03-05 17:14 ` Hitoshi Mitake
2011-02-22 18:09 ` Frederic Weisbecker
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