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-rw-r--r--tools/perf/Documentation/perf-buildid-cache.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-buildid-cache.txt b/tools/perf/Documentation/perf-buildid-cache.txt
index c1057701a7dc..e9a8349a7172 100644
--- a/tools/perf/Documentation/perf-buildid-cache.txt
+++ b/tools/perf/Documentation/perf-buildid-cache.txt
@@ -24,6 +24,13 @@ OPTIONS
-r::
--remove=::
Remove specified file from the cache.
+-M::
+--missing=::
+ List missing build ids in the cache for the specified file.
+-u::
+--update::
+ Update specified file of the cache. It can be used to update kallsyms
+ kernel dso to vmlinux in order to support annotation.
-v::
--verbose::
Be more verbose.