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-rw-r--r--tools/perf/Documentation/perf-report.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 907e505b6309..a76b871f78a6 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -354,7 +354,8 @@ OPTIONS
Path to objdump binary.
--group::
- Show event group information together.
+ Show event group information together. It forces group output also
+ if there are no groups defined in data file.
--demangle::
Demangle symbol names to human readable form. It's enabled by default,