linux-kernel - Re: perf backtraces off-by-1

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Message-ID: <1345997415.2296.0.camel@laptop>
Date:	Sun, 26 Aug 2012 18:10:15 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Arun Sharma <asharma@...com>
Cc:	LKML <linux-kernel@...r.kernel.org>, Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Benjamin Redelings <benjamin.redelings@...cent.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Cyrill Gorcunov <gorcunov@...nvz.org>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Paul Mackerras <paulus@...ba.org>,
	Robert Richter <robert.richter@....com>,
	Stephane Eranian <eranian@...gle.com>,
	Tom Zanussi <tzanussi@...il.com>,
	Ulrich Drepper <drepper@...il.com>
Subject: Re: perf backtraces off-by-1

On Fri, 2012-08-24 at 15:13 -0700, Arun Sharma wrote:
> 
> Wondering if this has been discussed before.

Not that I can recall.

>  One option is to support 
> this for user mode only, with code to detect signal frames. Any other
> ideas?
> 
I guess we'd need to see what that patch would look like... :-)

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