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.gf5...@kernel.org Signed-off-by: Wang Nan <wangn...@huawei.com> Cc: Arnaldo Carvalho de Melo <a...@redhat.com> Cc: Namhyung Kim <namhy...@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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/