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-rw-r--r--tools/perf/Documentation/perf-lock.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
index 4b8568f0c53b..da0bcbc676a3 100644
--- a/tools/perf/Documentation/perf-lock.txt
+++ b/tools/perf/Documentation/perf-lock.txt
@@ -8,7 +8,7 @@ perf-lock - Analyze lock events
SYNOPSIS
--------
[verse]
-'perf lock' {record|report|script|info}
+'perf lock' {record|report|script|info|contention}
DESCRIPTION
-----------
@@ -27,6 +27,8 @@ and statistics with this 'perf lock' command.
'perf lock info' shows metadata like threads or addresses
of lock instances.
+ 'perf lock contention' shows contention statistics.
+
COMMON OPTIONS
--------------