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-rw-r--r--Documentation/trace/ftrace.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index cc9ec57e157..b937c6e2163 100644
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -2437,6 +2437,12 @@ The following commands are supported:
is hit. Perhaps its a function that is called before a tripple
fault happens and does not allow you to get a regular dump.
+- cpudump
+ When the function is hit, it will dump the contents of the ftrace
+ ring buffer for the current CPU to the console. Unlike the "dump"
+ command, it only prints out the contents of the ring buffer for the
+ CPU that executed the function that triggered the dump.
+
trace_pipe
----------