Commit-ID: 2d45ef7033ec90104ae8e4c3996227bdad24dc76 Gitweb: https://git.kernel.org/tip/2d45ef7033ec90104ae8e4c3996227bdad24dc76 Author: Arnaldo Carvalho de Melo <a...@redhat.com> AuthorDate: Mon, 20 May 2019 11:04:08 -0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Tue, 28 May 2019 18:37:45 -0300
perf top: Lower message level for failure on synthesizing events for pre-existing BPF programs Move it from being a pr_warning() to a pr_debug(). Also capitalize BPF and explain what gets missing when we're not able to synthesize these events: we'll not be able to resolve symbols, etc. Reported-by: Ingo Molnar <mi...@kernel.org> Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: Alexei Starovoitov <a...@fb.com> Cc: Andrii Nakryiko <andrii.nakry...@gmail.com> Cc: Daniel Borkmann <dan...@iogearbox.net> Cc: Jiri Olsa <jo...@kernel.org> Cc: Luis Cláudio Gonçalves <lclau...@redhat.com> Cc: Martin KaFai Lau <ka...@fb.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Song Liu <songliubrav...@fb.com> Cc: Wang Nan <wangn...@huawei.com> Cc: Yonghong Song <y...@fb.com> Link: https://lkml.kernel.org/n/tip-whpnfnw6xtd939odgt9bw...@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/builtin-top.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 31d78d874fc7..6651377fd762 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1215,7 +1215,7 @@ static int __cmd_top(struct perf_top *top) &top->session->machines.host, &top->record_opts); if (ret < 0) - pr_warning("Couldn't synthesize bpf events.\n"); + pr_debug("Couldn't synthesize BPF events: Pre-existing BPF programs won't have symbols resolved.\n"); machine__synthesize_threads(&top->session->machines.host, &opts->target, top->evlist->threads, false,
