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[PATCH v2 2/4] perf tools: Mute libbpf when '-v' not set

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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

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
---
 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 {
-- 
1.8.3.4

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[PATCH v2 0/4] perf bpf: Improve error code delivering and output Wang Nan <wangnan0@huawei.com> - 2015-11-04 03:30 +0100
  [PATCH v2 1/4] perf test: Keep test result clean if '-v' not set Wang Nan <wangnan0@huawei.com> - 2015-11-04 03:30 +0100
  [PATCH v2 2/4] perf tools: Mute libbpf when '-v' not set Wang Nan <wangnan0@huawei.com> - 2015-11-04 03:30 +0100
  [PATCH v2 4/4] perf tools: Improve BPF related error messages output Wang Nan <wangnan0@huawei.com> - 2015-11-04 03:30 +0100
  [PATCH v2 3/4] bpf tools: Improve libbpf error reporting Wang Nan <wangnan0@huawei.com> - 2015-11-04 03:30 +0100
    Re: [PATCH v2 3/4] bpf tools: Improve libbpf error reporting Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-11-04 23:10 +0100
      Re: [PATCH v2 3/4] bpf tools: Improve libbpf error reporting "Wangnan (F)" <wangnan0@huawei.com> - 2015-11-05 02:50 +0100
        Re: [PATCH v2 3/4] bpf tools: Improve libbpf error reporting "Wangnan (F)" <wangnan0@huawei.com> - 2015-11-05 03:10 +0100

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