From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arnaldo Carvalho de Melo <acme@kernel.org>
Subject: Re: perf not capturing stack traces
Date: Fri, 23 Jan 2015 17:59:59 -0300
Message-ID: <20150123205959.GD3073@kernel.org>
References: <20150123195128.GE26557@saruman.tx.rr.com>
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To: Felipe Balbi <balbi@ti.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>, Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@redhat.com>, Tony Lindgren <tony@atomide.com>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Linux ARM Kernel Mailing List <linux-arm-kernel@lists.infradead.org>, Linux OMAP Mailing List <linux-omap@vger.kernel.org>
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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?

- Arnaldo