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Date: Sat, 01 Dec 2001 11:00:37 -0800
From: "Matt D. Robinson" <yakker@alacritech.com>
Organization: Alacritech, Inc.
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To: Brian Gerst <bgerst@didntduck.org>
CC: Davide Libenzi <davidel@xmailserver.org>,
        Simon Turvey <turveysp@ntlworld.com>,
        lkml <linux-kernel@vger.kernel.org>
Subject: Re: Generating a function call trace
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Try using 'lcrash', part of the LKCD project:

	http://lkcd.sourceforge.net/

I'm not sure what you mean by arbitrarily (meaning, it could be
at a snapshot point in time, or it could be while it is running,
etc.)  E-mail me if you have further questions, I'll try to help.

--Matt

Brian Gerst wrote:
> 
> Davide Libenzi wrote:
> >
> > On Fri, 30 Nov 2001, Simon Turvey wrote:
> >
> > > Is it possible to arbitrarily generate (in a module say) a function call
> > > trace?
> >
> > gcc has builtin macros to trace back or ( on x86 ) you can simply chain
> > through %esp/%ebp
> 
> That only works if you compile with frame pointers, which the kernel
> turns off for performance reasons (due to register pressure on the x86).
> 
> --
> 
>                                 Brian Gerst
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