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Re: [PATCH v2 2.6.38-rc8-tip 0/20] 0: Inode based uprobes

From:  Thomas Gleixner <tglx-AT-linutronix.de>
To:  Andi Kleen <andi-AT-firstfloor.org>
Subject:  Re: [PATCH v2 2.6.38-rc8-tip 0/20] 0: Inode based uprobes
Date:  Tue, 15 Mar 2011 20:43:01 +0100 (CET)
Message-ID:  <alpine.LFD.2.00.1103152038280.2787@localhost6.localdomain6>
Cc:  Andrew Morton <akpm-AT-linux-foundation.org>, Srikar Dronamraju <srikar-AT-linux.vnet.ibm.com>, Peter Zijlstra <peterz-AT-infradead.org>, Ingo Molnar <mingo-AT-elte.hu>, Steven Rostedt <rostedt-AT-goodmis.org>, Linux-mm <linux-mm-AT-kvack.org>, Arnaldo Carvalho de Melo <acme-AT-infradead.org>, Linus Torvalds <torvalds-AT-linux-foundation.org>, Masami Hiramatsu <masami.hiramatsu.pt-AT-hitachi.com>, Christoph Hellwig <hch-AT-infradead.org>, Ananth N Mavinakayanahalli <ananth-AT-in.ibm.com>, Oleg Nesterov <oleg-AT-redhat.com>, Jim Keniston <jkenisto-AT-linux.vnet.ibm.com>, Roland McGrath <roland-AT-hack.frob.com>, SystemTap <systemtap-AT-sources.redhat.com>, LKML <linux-kernel-AT-vger.kernel.org>, "Paul E. McKenney" <paulmck-AT-linux.vnet.ibm.com>
Archive-link:  Article

On Tue, 15 Mar 2011, Andi Kleen wrote:
> > > How do you envisage these features actually get used?  For example,
> > > will gdb be modified?  Will other debuggers be modified or written?
> > 
> > How about answering this question first _BEFORE_ advertising
> > systemtap?
> 
> I thought this was obvious.  systemtap is essentially a script driven 
> debugger. 

Oh thanks for the clarification. I always wondered why a computer
would need a tap.

And it does not matter at all whether systemtap can use this or
not. If the main debuggers used like gdb are not going to use it then
it's a complete waste. We don't need another debugging interface just
for a single esoteric use case.

Thanks,

	tglx


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