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-rw-r--r--tools/perf/Documentation/perf.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf.txt b/tools/perf/Documentation/perf.txt
index d240bb2e5b22..1e8e400b4493 100644
--- a/tools/perf/Documentation/perf.txt
+++ b/tools/perf/Documentation/perf.txt
@@ -18,6 +18,10 @@ OPTIONS
--debug verbose # sets verbose = 1
--debug verbose=2 # sets verbose = 2
+--buildid-dir::
+ Setup buildid cache directory. It has higher priority than
+ buildid.dir config file option.
+
DESCRIPTION
-----------
Performance counters for Linux are a new kernel-based subsystem