Re: perf not capturing stack traces

From: Felipe Balbi
Date: Fri Jan 23 2015 - 17:38:30 EST


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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