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-rw-r--r--tools/perf/Documentation/perf-lock.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
index 7949d2e6891b..193c5d8b8db9 100644
--- a/tools/perf/Documentation/perf-lock.txt
+++ b/tools/perf/Documentation/perf-lock.txt
@@ -145,6 +145,9 @@ CONTENTION OPTIONS
--tid=::
Record events on existing thread ID (comma separated list).
+--map-nr-entries::
+ Maximum number of BPF map entries (default: 10240).
+
SEE ALSO
--------