linux-kernel - Re: sysprof in 2.6.27 kernel

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Message-ID: <20080817124404.GR4674@ics.muni.cz>
Date:	Sun, 17 Aug 2008 14:44:04 +0200
From:	Lukas Hejtmanek <xhejtman@....muni.cz>
To:	Soeren Sandmann <sandmann@...mi.au.dk>
Cc:	linux-kernel@...r.kernel.org, mingo@...hat.com
Subject: Re: sysprof in 2.6.27 kernel

On Sat, Aug 16, 2008 at 04:52:54AM +0200, Soeren Sandmann wrote:
> > and another one. sysproc gui reads user addresses from the sysprof pipe with
> > null pointers. is this ok or is this a bug in sysprof kernel module?
> 
> That is not ok, but it could happen if the process in question was not
> compiled with framepointers. Or it could be a bug in the kernel code.

I tried to put printf in case that sysprof gui receives non null address from
the kernel. None print was displayed, so it seems ti receives only null
addresses.

-- 
Lukáš Hejtmánek
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