enable_ust_lttng_event_per_chan $SESSION_NAME $EVENT_NAME $CHAN_NAME
add_ust_lttng_context $SESSION_NAME $CHAN_NAME "perf:thread:page-fault"
enable_ust_lttng_event_per_chan $SESSION_NAME $EVENT_NAME $CHAN_NAME
add_ust_lttng_context $SESSION_NAME $CHAN_NAME "perf:thread:page-fault"