linux-kernel - Re: [RFC] [PATCH] In-kernel gdbstub based on utrace Infrastructure.

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Message-ID: <1259593896.26472.89.camel@laptop>
Date:	Mon, 30 Nov 2009 16:11:36 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Frank Ch. Eigler" <fche@...hat.com>
Cc:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org,
	utrace-devel <utrace-devel@...hat.com>,
	Roland McGrath <roland@...hat.com>,
	Jim Keniston <jkenisto@...ibm.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>
Subject: Re: [RFC] [PATCH] In-kernel gdbstub based on utrace Infrastructure.

On Mon, 2009-11-30 at 10:03 -0500, Frank Ch. Eigler wrote:
> peterz wrote: 
> 
> > Hmm,. wouldn't it make much more sense to extend the current kgdb stub
> > to include userspace debugging, providing an all-in-one solution?
> > I think it would be much more powerful to be able to observe the full
> > software stack and not be limited by this user<->kernel barrier.
> 
> There exist other tools for this broad a scope (systemtap being one),
> and present gdb is not well suited for this.  That makes this idea an
> exciting potential for the future, but not a practical short-term
> goal.

Who's talking short-term? And if gdb is unsuited, it'll simply have to
get fixed :-)


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