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-rw-r--r--tools/perf/builtin-buildid-list.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index 52480467e9ff..6b2bcfbde150 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -84,7 +84,11 @@ static int perf_session__list_build_ids(void)
if (filename__fprintf_build_id(session->filename, stdout))
goto out;
- if (with_hits)
+ /*
+ * in pipe-mode, the only way to get the buildids is to parse
+ * the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID
+ */
+ if (with_hits || session->fd_pipe)
perf_session__process_events(session, &build_id__mark_dso_hit_ops);
perf_session__fprintf_dsos_buildid(session, stdout, with_hits);