Now that we have a new option to record namespace events, update
the perf-record documentation accordingly.

Signed-off-by: Hari Bathini <[email protected]>
---
 tools/perf/Documentation/perf-record.txt |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/Documentation/perf-record.txt 
b/tools/perf/Documentation/perf-record.txt
index 27256bc..9c85a65 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -347,6 +347,9 @@ Enable weightened sampling. An additional weight is 
recorded per sample and can
 displayed with the weight and local_weight sort keys.  This currently works 
for TSX
 abort events and some memory events in precise mode on modern Intel CPUs.
 
+--namespaces::
+Record events of type PERF_RECORD_NAMESPACES.
+
 --transaction::
 Record transaction flags for transaction related events.
 

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