linux-kernel - Re: [PATCH 2/4] perf tools: Fix one of the probe events to exclude kernel

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Message-ID: <87iolxdkba.fsf@sejong.aot.lge.com>
Date:	Wed, 13 Aug 2014 14:34:33 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 2/4] perf tools: Fix one of the probe events to exclude kernel

On Tue, 12 Aug 2014 18:04:29 +0300, Adrian Hunter wrote:
> When probing the kernel API the kernel should be excluded
> otherwise the probe will fail for users with insufficient
> privilege to profile the kernel.
>
> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>

Acked-by: Namhyung Kim <namhyung@...nel.org>

Thanks,
Namhyung


> ---
>  tools/perf/util/record.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c
> index 787b882..68ad2d0 100644
> --- a/tools/perf/util/record.c
> +++ b/tools/perf/util/record.c
> @@ -47,7 +47,7 @@ out_delete:
>  
>  static bool perf_probe_api(setup_probe_fn_t fn)
>  {
> -	const char *try[] = {"cycles:u", "instructions:u", "cpu-clock", NULL};
> +	const char *try[] = {"cycles:u", "instructions:u", "cpu-clock:u", NULL};
>  	struct cpu_map *cpus;
>  	int cpu, ret, i = 0;
--
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