linux-kernel - Re: perf not capturing stack traces

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Date:	Fri, 23 Jan 2015 16:37:45 -0600
From:	Felipe Balbi <balbi@...com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
CC:	Felipe Balbi <balbi@...com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Tony Lindgren <tony@...mide.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux ARM Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>
Subject: Re: perf not capturing stack traces

On Fri, Jan 23, 2015 at 05:59:59PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Jan 23, 2015 at 01:51:28PM -0600, Felipe Balbi escreveu:
> > I'm using v3.19-rc5 on an ARM Cortex A9 board. Unfortunately, perf is
> > not able to capture any stack traces even though I CONFIG_STACKTRACE,
> > CONFIG_FRAME_POINTER and CONFIG_ARM_UNWIND all enabled.
> > 
> > I wonder if anybody else is facing similar issues.
> 
> Did it work with a previous kernel?

haven't checked with this board. First time I tried to use perf for
anything.

-- 
balbi

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