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Subject[PATCH 10/12] perf tools: Make the tool's warning messages optional
Date
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.

Link: http://lkml.kernel.org/n/tip-j30qvpjvbljwdq9at90cj7r2@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/util/session.c | 6 ++++--
tools/perf/util/tool.h | 1 +
2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 54e30f1bcbd7..8d0fa2f8da16 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.
diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h
index 2532b558099b..183c91453522 100644
--- a/tools/perf/util/tool.h
+++ b/tools/perf/util/tool.h
@@ -76,6 +76,7 @@ struct perf_tool {
bool ordered_events;
bool ordering_requires_timestamps;
bool namespace_events;
+ bool no_warn;
enum show_feature_header show_feat_hdr;
};

--
2.13.6
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