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-rw-r--r--tools/perf/Documentation/perf-lock.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
index 37aae194a2a1..b5e5d088d51c 100644
--- a/tools/perf/Documentation/perf-lock.txt
+++ b/tools/perf/Documentation/perf-lock.txt
@@ -155,6 +155,7 @@ CONTENTION OPTIONS
--tid=<value>::
Record events on existing thread ID (comma separated list).
+-M::
--map-nr-entries=<value>::
Maximum number of BPF map entries (default: 10240).