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-rw-r--r--tools/perf/Documentation/perf-buildid-list.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-buildid-list.txt b/tools/perf/Documentation/perf-buildid-list.txt
index 5eaac6f26d51..cc22325ffd1b 100644
--- a/tools/perf/Documentation/perf-buildid-list.txt
+++ b/tools/perf/Documentation/perf-buildid-list.txt
@@ -16,6 +16,9 @@ This command displays the buildids found in a perf.data file, so that other
tools can be used to fetch packages with matching symbol tables for use by
perf report.
+It can also be used to show the build id of the running kernel or in an ELF
+file using -i/--input.
+
OPTIONS
-------
-H::
@@ -27,6 +30,9 @@ OPTIONS
-f::
--force::
Don't do ownership validation.
+-k::
+--kernel::
+ Show running kernel build id.
-v::
--verbose::
Be more verbose.