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-rw-r--r--Documentation/trace/ftrace.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index 8408e040f06f..572ca923631a 100644
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -1740,7 +1740,7 @@ no pid
yum-updatesd-3111 [003] 1637.254683: lock_hrtimer_base <-hrtimer_try_to_cancel
yum-updatesd-3111 [003] 1637.254685: fget_light <-do_sys_poll
yum-updatesd-3111 [003] 1637.254686: pipe_poll <-do_sys_poll
-# echo -1 > set_ftrace_pid
+# echo > set_ftrace_pid
# cat trace |head
# tracer: function
#