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-rw-r--r--tools/perf/Documentation/perf-probe.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 3a8a9ba2b041..947db6fe512c 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -109,6 +109,10 @@ OPTIONS
Dry run. With this option, --add and --del doesn't execute actual
adding and removal operations.
+--cache::
+ Cache the probes (with --add option). Any events which successfully added
+ are also stored in the cache file.
+
--max-probes=NUM::
Set the maximum number of probe points for an event. Default is 128.