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-rw-r--r--tools/perf/Documentation/perf-record.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index 76bc2181d214..94f2faebc7f0 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -193,7 +193,9 @@ OPTIONS
Child tasks do not inherit counters.
-F::
--freq=::
- Profile at this frequency.
+ Profile at this frequency. Use 'max' to use the currently maximum
+ allowed frequency, i.e. the value in the kernel.perf_event_max_sample_rate
+ sysctl.
-m::
--mmap-pages=::