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-rw-r--r--tools/perf/Documentation/perf-inject.txt6
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-inject.txt b/tools/perf/Documentation/perf-inject.txt
index 70e2ac3cc91a..c972032f4ca0 100644
--- a/tools/perf/Documentation/perf-inject.txt
+++ b/tools/perf/Documentation/perf-inject.txt
@@ -25,10 +25,12 @@ OPTIONS
-------
-b::
--build-ids::
- Inject build-ids into the output stream
+ Inject build-ids of DSOs hit by samples into the output stream.
+ This means it needs to process all SAMPLE records to find the DSOs.
--buildid-all::
- Inject build-ids of all DSOs into the output stream
+ Inject build-ids of all DSOs into the output stream regardless of hits
+ and skip SAMPLE processing.
--known-build-ids=::
Override build-ids to inject using these comma-separated pairs of