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From: John Levon <levon@movementarian.org>
To: Soeren Sandmann <sandmann@daimi.au.dk>
Cc: bert hubert <bert.hubert@netherlabs.nl>, linux-kernel@vger.kernel.org
Subject: Re: Announce:  Sysprof 1.0 -- a sampling, systemwide Linux profiler
Date: Sat, 17 Sep 2005 23:20:15 +0100	[thread overview]
Message-ID: <20050917222015.GA32019@trollied.org> (raw)
In-Reply-To: <ye8slw38i5g.fsf@horse06.daimi.au.dk>

On Sun, Sep 18, 2005 at 12:05:15AM +0200, Soeren Sandmann wrote:

> details. Oprofile may have improved since then, but when I started
> sysprof:
> 
> - oprofile didn't work on anything but smp kernels
> 
> - oprofile could not produce callgraph information without not only
>   recompiling my kernel, but also patching the kernel
> 
> - oprofile had a user interface that I simply didn't understand. As I
>   remember it, I had to know about performance counters and how to
>   translate those into binary masks

This is what you said first time I asked you, none of which explain why
you're continuing this duplication of effort, since *none* of the above
are true any more (and the first /never/ was).

> and you get data presented in a way that is just a whole lot more
> useful than the flat text files generated by oprofile.

Building a GUI around OProfile would have been welcome, but you've
chosen to re-implement the entire stack...

regards,
john

  reply	other threads:[~2005-09-17 22:20 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-17 21:05 Announce: Sysprof 1.0 -- a sampling, systemwide Linux profiler Soeren Sandmann
2005-09-17 21:16 ` John Levon
2005-09-17 21:16 ` bert hubert
2005-09-17 22:05   ` Soeren Sandmann
2005-09-17 22:20     ` John Levon [this message]
2005-09-17 23:03       ` Soeren Sandmann
2005-09-18  0:25         ` Anton Blanchard
2005-09-17 23:28       ` Tomasz Torcz
2005-09-17 23:53         ` John Levon
2005-09-18  8:45     ` bert hubert

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