return lttng_session_track_pid(session, (int) arg);
case LTTNG_KERNEL_SESSION_UNTRACK_PID:
return lttng_session_untrack_pid(session, (int) arg);
+ case LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS:
+ return lttng_session_list_tracker_pids(session);
default:
return -ENOIOCTLCMD;
}