linux-kernel - Re: [PATCH 0/3] perf: Disable user space dumps for function trace event

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Message-ID: <20140302164206.GA14982@krava.brq.redhat.com>
Date:	Sun, 2 Mar 2014 17:42:06 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	"H. Peter Anvin" <hpa@...or.com>,
	Vince Weaver <vincent.weaver@...ne.edu>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH 0/3] perf: Disable user space dumps for function trace
 event

On Sun, Mar 02, 2014 at 04:56:37PM +0100, Jiri Olsa wrote:
> hi,
> recent issues with user space callchains processing within
> page fault handler tracing showed as Peter said 'there's
> just too much fail surface'.
> 
> Related list discussions:
>   http://marc.info/?t=139302086500001&r=1&w=2
>   http://marc.info/?t=139301437300003&r=1&w=2
> 
> Disabling user space callchain and stack dump for
> function trace event. Plus updating the perf tool
> to keep up with those changes.
> 

Reachable here:
  git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
  perf/function_trace_fixies_1

jirka
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