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-rw-r--r--tools/perf/Documentation/perf-top.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index 114fda12aa49..d4be6061fe1c 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -242,6 +242,11 @@ Default is to monitor all CPUS.
--hierarchy::
Enable hierarchy output.
+--overwrite::
+ This is the default, but for investigating problems with it or any other strange
+ behaviour like lots of unknown samples, we may want to disable this mode by using
+ --no-overwrite.
+
--force::
Don't do ownership validation.