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Groups > linux.kernel > #1620709

[PATCH 7/7] perf tool: do not print missing features in pipe-mode

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Pipe-mode has no perf.data header, hence no upfront knowledge
of presend and missing features, hence, do not print missing
features in pipe-mode.

Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
---
 tools/perf/util/header.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index ef09f26e67da..2ccc7f06db79 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2270,6 +2270,9 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full)
 	perf_header__process_sections(header, fd, &hd,
 				      perf_file_section__fprintf_info);
 
+	if (session->file->is_pipe)
+		return 0;
+
 	fprintf(fp, "# missing features: ");
 	for_each_clear_bit(bit, header->adds_features, HEADER_LAST_FEATURE) {
 		if (bit)
-- 
2.12.2.715.g7642488e1d-goog

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[PATCH 0/7] perf tool: pipe-mode fixes David Carrillo-Cisneros <davidcc@google.com> - 2017-04-10 22:20 +0200
  [PATCH 1/7] perf inject: don't proceed if perf_session__process_event fails David Carrillo-Cisneros <davidcc@google.com> - 2017-04-10 22:20 +0200
    [tip:perf/core] perf inject: Don't proceed if  perf_session__process_event() fails tip-bot for David Carrillo-Cisneros <tipbot@zytor.com> - 2017-04-12 07:50 +0200
  [PATCH 2/7] perf inject: copy events when reordering events in pipe mode David Carrillo-Cisneros <davidcc@google.com> - 2017-04-10 22:20 +0200
    Re: [PATCH 2/7] perf inject: copy events when reordering events in  pipe mode Jiri Olsa <jolsa@redhat.com> - 2017-04-11 11:50 +0200
      Re: [PATCH 2/7] perf inject: copy events when reordering events in  pipe mode David Carrillo-Cisneros <davidcc@google.com> - 2017-04-11 21:00 +0200
    [tip:perf/core] perf inject: Copy events when reordering events in  pipe mode tip-bot for David Carrillo-Cisneros <tipbot@zytor.com> - 2017-04-12 07:50 +0200
  [PATCH 4/7] perf annotate: process attr and build_id records David Carrillo-Cisneros <davidcc@google.com> - 2017-04-10 22:20 +0200
    [tip:perf/core] perf annotate: Process attr and build_id records tip-bot for David Carrillo-Cisneros <tipbot@zytor.com> - 2017-04-12 07:50 +0200
  [PATCH 6/7] perf tool: protect empty evlists David Carrillo-Cisneros <davidcc@google.com> - 2017-04-10 22:20 +0200
    Re: [PATCH 6/7] perf tool: protect empty evlists Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-11 20:20 +0200
      Re: [PATCH 6/7] perf tool: protect empty evlists David Carrillo-Cisneros <davidcc@google.com> - 2017-04-11 20:40 +0200
  [PATCH 7/7] perf tool: do not print missing features in pipe-mode David Carrillo-Cisneros <davidcc@google.com> - 2017-04-10 22:20 +0200
    [tip:perf/core] perf tools: Do not print missing features in  pipe-mode tip-bot for David Carrillo-Cisneros <tipbot@zytor.com> - 2017-04-12 07:50 +0200
  [PATCH 5/7] perf session: don't rely on evlist in pipe mode David Carrillo-Cisneros <davidcc@google.com> - 2017-04-10 22:20 +0200
    Re: [PATCH 5/7] perf session: don't rely on evlist in pipe mode Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-11 20:50 +0200
      Re: [PATCH 5/7] perf session: don't rely on evlist in pipe mode David Carrillo-Cisneros <davidcc@google.com> - 2017-04-11 21:00 +0200
        Re: [PATCH 5/7] perf session: don't rely on evlist in pipe mode Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-11 21:50 +0200
    Re: [PATCH 5/7] perf session: don't rely on evlist in pipe mode Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-11 20:50 +0200
    Re: [PATCH 5/7] perf session: don't rely on evlist in pipe mode Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-11 20:50 +0200
    [tip:perf/core] perf session: Don't rely on evlist in pipe mode tip-bot for David Carrillo-Cisneros <tipbot@zytor.com> - 2017-04-12 07:50 +0200
  Re: [PATCH 0/7] perf tool: pipe-mode fixes Jiri Olsa <jolsa@redhat.com> - 2017-04-11 11:50 +0200
    Re: [PATCH 0/7] perf tool: pipe-mode fixes Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-11 20:20 +0200

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