# echo 1 > /sys/kernel/debug/tracing/events/sched/enable
-To eanble all events:
+To enable all events:
# echo 1 > /sys/kernel/debug/tracing/events/enable
trace_event=[event-list]
-The format of this boot option is the same as described in section 2.1.
+event-list is a comma separated list of events. See section 2.1 for event
+format.
3. Defining an event-enabled tracepoint
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