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From: Andrew Morton <akpm@linux-foundation.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Anton Blanchard <anton@samba.org>,
	Soeren Sandmann <sandmann@daimi.au.dk>,
	John Levon <levon@movementarian.org>,
	Arjan van de Ven <arjan@infradead.org>,
	linux-kernel@vger.kernel.org, tglx@tglx.de, hpa@zytor.com
Subject: Re: [PATCH] x86: add the debugfs interface for the sysprof tool
Date: Tue, 26 Feb 2008 09:29:26 -0800	[thread overview]
Message-ID: <20080226092926.3a72f73b.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080226090223.GG9857@elte.hu>

On Tue, 26 Feb 2008 10:02:23 +0100 Ingo Molnar <mingo@elte.hu> wrote:

> > Anton - who has used oprofile to analyse and tune databases, JVMs,
> > 	compilers and operating systems. Maybe I've been missing out on
> > 	the killer app for all this time!!!
> 
> it's OK if you use it full time and if you are amongst the 0.001% of the 
> developer population we call "the best kernel hackers on the planet" ;-) 
> 
> It sucks badly if you use it occasionally and have to re-learn its 
> non-trivial usage and its quirks every time. As it happens, most 
> userspace developers are in this second category.

Nobody has in any way demonstrated that this is due to the design or
implementation of oprofile's kernel component.

  reply	other threads:[~2008-02-26 17:32 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-19 20:37 [PATCH] x86: add the debugfs interface for the sysprof tool Arjan van de Ven
2008-02-20  9:10 ` Ingo Molnar
2008-02-26  4:13   ` Anton Blanchard
2008-02-26  8:57     ` Ingo Molnar
2008-02-20 18:16 ` Peter Zijlstra
2008-02-20 18:39   ` Arjan van de Ven
2008-02-20 18:53     ` Peter Zijlstra
2008-02-20 18:58       ` Peter Zijlstra
2008-02-26  5:03         ` Anton Blanchard
2008-02-20 19:26       ` Arjan van de Ven
2008-02-20 20:58         ` Peter Zijlstra
2008-02-20 21:07           ` Arjan van de Ven
2008-02-20 21:44             ` Peter Zijlstra
2008-02-20 22:36               ` Arjan van de Ven
2008-02-23  8:11 ` Andrew Morton
2008-02-23 11:37   ` Ingo Molnar
2008-02-23 13:53     ` John Levon
2008-02-23 15:50       ` Ingo Molnar
2008-02-23 20:15       ` Soeren Sandmann
2008-02-23 20:42         ` Andrew Morton
2008-02-26  5:13         ` Anton Blanchard
2008-02-26  9:02           ` Ingo Molnar
2008-02-26 17:29             ` Andrew Morton [this message]
2008-02-27 14:05             ` Anton Blanchard
2008-02-24 13:10       ` Theodore Tso
2008-02-24 13:44         ` Ingo Molnar
2008-02-24 14:33           ` Ingo Molnar
2008-02-24 16:32         ` John Levon
2008-02-24 18:19           ` Theodore Tso
2008-02-23 18:40     ` Andrew Morton
2008-02-23 11:51   ` Pekka Enberg
2008-02-23 12:22     ` Ingo Molnar
2008-02-23 12:29       ` Pekka Enberg
2008-02-23 18:46     ` Andrew Morton
2008-02-24  2:49       ` Pekka Enberg
2008-02-24  3:12         ` Nicholas Miell
2008-02-26  6:27           ` Pekka Enberg
2008-02-26  6:48             ` Pekka Enberg
2008-02-26  8:55               ` Ingo Molnar
2008-02-23 14:54   ` Pekka Enberg
2008-02-23 19:01     ` Andrew Morton

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