1 files changed, 6 insertions, 0 deletions

diff --git a/tools/perf/Documentation/perf-inject.txt b/tools/perf/Documentation/perf-inject.txt
index 025630d43cd2..673ef97877fc 100644
--- a/tools/perf/Documentation/perf-inject.txt
+++ b/tools/perf/Documentation/perf-inject.txt
@@ -29,6 +29,12 @@ OPTIONS
 -v::
 --verbose::
         Be more verbose.
+-i::
+--input=::
+        Input file name. (default: stdin)
+-o::
+--output=::
+        Output file name. (default: stdout)
 
 SEE ALSO
 --------