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

David Carrillo-Cisneros
2017-04-10T20:15:16Z

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