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From: Anton Blanchard <anton@samba.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arjan van de Ven <arjan@infradead.org>,
	linux-kernel@vger.kernel.org, mingo@elte.hu, sandmann@redhat.com,
	tglx@tglx.de, hpa@zytor.com
Subject: Re: [PATCH] x86: add the debugfs interface for the sysprof tool
Date: Mon, 25 Feb 2008 23:03:58 -0600	[thread overview]
Message-ID: <20080226050358.GB17772@kryten> (raw)
In-Reply-To: <1203533885.6243.60.camel@lappy>


Hi Peter,
 
> Usable for me is a cli interface. Also, I absolutely love opannotate.

I definitely agree there.

It's interesting to note that sysprof requires you to run the GUI as
root in order to work. Maybe Ingo and Arjan are confident there are no
bugs in all the libraries that sysprof links to:

# ldd `which sysprof` | wc -l
39

I'm not.

Actually before someone converted it to debugfs, it was even worse, the
sysprof kernel module exported all profiling information to the world:

-r--r--r-- 1 root root 2060 2008-02-25 23:00 /proc/sysprof-trace

Anton

  reply	other threads:[~2008-02-26  5:05 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 [this message]
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
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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