linux-kernel - Re: [PATCH 1/2] perf test: Silence tracepoint event failures

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Date:	Mon, 19 Oct 2015 10:08:38 -0600
From:	David Ahern <dsahern@...il.com>
To:	Namhyung Kim <namhyung@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jiri Olsa <jolsa@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Wang Nan <wangnan0@...wei.com>
Subject: Re: [PATCH 1/2] perf test: Silence tracepoint event failures

On 10/19/15 9:23 AM, Namhyung Kim wrote:
> Currently, when perf test is run by a normal user, it'll fail to access
> tracepoint events.  However the output is somewhat messy since it tries
> to be nice with long error messages and hints.  IMHO it's not needed
> for 'perf test' by default and AFAIK the perf test uses pr_debug()
> rather than pr_err() for such messages so that one can use -v option to
> see further details on failed testcases if needed.
>
-----8<-----
>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> ---
>   tools/perf/tests/openat-syscall-all-cpus.c  | 2 +-
>   tools/perf/tests/openat-syscall-tp-fields.c | 2 +-
>   tools/perf/tests/openat-syscall.c           | 2 +-
>   3 files changed, 3 insertions(+), 3 deletions(-)
>

Acked-by: David Ahern <dsahern@...il.com>

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