Commit-ID:  075ca1ebb25e798e4072a1e3a482b829bb51afb2
Gitweb:     https://git.kernel.org/tip/075ca1ebb25e798e4072a1e3a482b829bb51afb2
Author:     Jiri Olsa <jo...@kernel.org>
AuthorDate: Sun, 7 Jan 2018 17:03:54 +0100
Committer:  Arnaldo Carvalho de Melo <a...@redhat.com>
CommitDate: Wed, 10 Jan 2018 12:00:55 -0300

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 <jo...@kernel.org>
Cc: Alexander Shishkin <alexander.shish...@linux.intel.com>
Cc: Andi Kleen <a...@linux.intel.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Link: http://lkml.kernel.org/r/20180107160356.28203-11-jo...@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 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 54e30f1..8d0fa2f 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1773,7 +1773,8 @@ done:
        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 @@ out:
        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 2532b55..183c914 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;
 };
 

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