linux-kernel - Re: [RFC] [PATCH 1/7] User Space Breakpoint Assistance Layer (UBP)

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Message-ID: <1263467289.4244.288.camel@laptop>
Date:	Thu, 14 Jan 2010 12:08:09 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	utrace-devel <utrace-devel@...hat.com>,
	Jim Keniston <jkenisto@...ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Maneesh Soni <maneesh@...ibm.com>,
	Mark Wielaard <mjw@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] [PATCH 1/7] User Space Breakpoint Assistance Layer (UBP)

On Mon, 2010-01-11 at 17:55 +0530, Srikar Dronamraju wrote:
> User Space Breakpoint Assistance Layer (UBP)
> 
> User space breakpointing Infrastructure provides kernel subsystems
> with architecture independent interface to establish breakpoints in
> user applications. This patch provides core implementation of ubp and
> also wrappers for architecture dependent methods.

So if this is the basic infrastructure to set userspace breakpoints,
then why not call this uprobe?

> UBP currently supports both single stepping inline and execution out
> of line strategies. Two different probepoints in the same process can
> have two different strategies.

maybe explain wth these are?

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