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


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 {




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