perf tools: Make the tool's warning messages optional
I want to display the pure events status coming in the next patch and
the tool's warnings are superfluous in the output. Making it optional,
enabled by default.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180107160356.28203-11-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 54e30f1..8d0fa2f 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1773,7 +1773,8 @@ static int __perf_session__process_pipe_events(struct perf_session *session)
err = perf_session__flush_thread_stacks(session);
out_err:
free(buf);
- perf_session__warn_about_errors(session);
+ if (!tool->no_warn)
+ perf_session__warn_about_errors(session);
ordered_events__free(&session->ordered_events);
auxtrace__free_events(session);
return err;
@@ -1929,7 +1930,8 @@ static int __perf_session__process_events(struct perf_session *session,
err = perf_session__flush_thread_stacks(session);
out_err:
ui_progress__finish();
- perf_session__warn_about_errors(session);
+ if (!tool->no_warn)
+ perf_session__warn_about_errors(session);
/*
* We may switching perf.data output, make ordered_events
* reusable.