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

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Message-ID: <20091130150314.GA10331@redhat.com>
Date:	Mon, 30 Nov 2009 10:03:14 -0500
From:	"Frank Ch. Eigler" <fche@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
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.

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.

- FChE
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