linux-kernel - Re: [PATCH RESEND] perf unwind: Report error from dwfl_attach

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Message-Id: <20180320080633.10e8414475a534ce9cf26c28@arm.com>
Date:   Tue, 20 Mar 2018 08:06:33 +0800
From:   Kim Phillips <kim.phillips@....com>
To:     Martin Vuille <jpmv27@....com>
Cc:     Arnaldo Carvalho de Melo <acme@...hat.com>,
        <linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RESEND] perf unwind: Report error from dwfl_attach_state

On Sun, 18 Mar 2018 13:50:53 -0400
Martin Vuille <jpmv27@....com> wrote:

> In verbose level 2, errors returned by libdw are reported in most cases,
> but not when calling dwfl_attach_state.
> 
> Since elfutils v 0.160 (2014), dwfl_attach_state sets the error code to
> report failure cause. On failure, log the reported error.
> 
> Signed-off-by: Martin Vuille <jpmv27@....com>
> ---

Reviewed-by: Kim Phillips <kim.phillips@....com>

Kim