Re: [PATCH 2/5] perf tools: Mute libbpf when '-v' not set

["Wangnan (F)" <wangnan0@huawei.com>]

On 2015/11/3 18:44, Wang Nan wrote:
> According to [1], libbpf should be muted. This patch reset info and
> warning message level to ensure libbpf doesn't output anything even
> if error happened.

[1] http://lkml.kernel.org/r/20151020151255.GF5119@kernel.org

Sorry...

> Signed-off-by: Wang Nan <wangnan0@huawei.com>
> Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
> ---
>   tools/perf/util/bpf-loader.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c
> index ba6f752..0c5d174 100644
> --- a/tools/perf/util/bpf-loader.c
> +++ b/tools/perf/util/bpf-loader.c
> @@ -26,8 +26,8 @@ static int libbpf_##name(const char *fmt, ...)	\
>   	return ret;				\
>   }
>   
> -DEFINE_PRINT_FN(warning, 0)
> -DEFINE_PRINT_FN(info, 0)
> +DEFINE_PRINT_FN(warning, 1)
> +DEFINE_PRINT_FN(info, 1)
>   DEFINE_PRINT_FN(debug, 1)
>   
>   struct bpf_prog_priv {