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SubjectUpdate objtrace usage in Documentation/trace/events.rst
Documentation: trace/objtrace: Move the line entering the trace
directory to the first step, so that the commands in the first step
can be executed smoothly.

Signed-off-by: Renhai <rh_king@163.com>

diff --git a/Documentation/trace/events.rst b/Documentation/trace/events.rst
index 52ac8ca8ab64..d5fadf7966de 100644
--- a/Documentation/trace/events.rst
+++ b/Documentation/trace/events.rst
@@ -583,6 +583,7 @@ The following commands are supported:

.. code-block::

+ # cd /sys/kernel/debug/tracing/
# echo 'p bio_add_page arg1=$arg1' > ./kprobe_events

Secondly, we can get the value dynamically based on the object:
@@ -597,7 +598,6 @@ The following commands are supported:
# echo 'objtrace:add:arg1,0x28:u32:1 if comm == "cat"' >
./events/kprobes/ \
p_bio_add_page_0/trigger

- # cd /sys/kernel/debug/tracing/
# echo 'p bio_add_page arg1=$arg1' > ./kprobe_events
# echo 'objtrace:add:arg1,0x28:u32:1 if comm == "cat"' >
./events/kprobes/p_bio_add_page_0/trigger
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