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-rw-r--r--tools/perf/Documentation/perf-report.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 6349b6c0e3e..4e82c19cbbb 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -137,6 +137,8 @@ OPTIONS
-M::
--disassembler-style=:: Set disassembler style for objdump.
+--show-total-period:: Show a column with the sum of periods.
+
SEE ALSO
--------
linkperf:perf-stat[1]