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-rw-r--r--tools/perf/Documentation/perf-script.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index dc3ec783b7bd..b3b42f9285df 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -249,6 +249,9 @@ include::itrace.txt[]
--full-source-path::
Show the full path for source files for srcline output.
+--ns::
+ Use 9 decimal places when displaying time (i.e. show the nanoseconds)
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-script-perl[1],