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-rw-r--r--tools/perf/Documentation/perf-diff.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index 518266192d67..d1deb573877f 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -31,6 +31,9 @@ OPTIONS
--dump-raw-trace::
Dump raw trace in ASCII.
+--kallsyms=<file>::
+ kallsyms pathname
+
-m::
--modules::
Load module symbols. WARNING: use only with -k and LIVE kernel