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-rw-r--r--tools/perf/Documentation/perf-report.txt9
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diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 10a2798..8eab8a4 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -237,6 +237,15 @@ OPTIONS
Do not show entries which have an overhead under that percent.
(Default: 0).
+--header::
+ Show header information in the perf.data file. This includes
+ various information like hostname, OS and perf version, cpu/mem
+ info, perf command line, event list and so on. Currently only
+ --stdio output supports this feature.
+
+--header-only::
+ Show only perf.data header (forces --stdio).
+
SEE ALSO
--------
linkperf:perf-stat[1], linkperf:perf-annotate[1]
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