lttng create $SESSION_NAME --live 1000000 -U net://localhost >/dev/null
[[ $? != 0 ]] && exit 2
-lttng enable-event -s $SESSION_NAME -k lttng_statedump_start,lttng_statedump_end,lttng_statedump_process_state,lttng_statedump_file_descriptor,lttng_statedump_vm_map,lttng_statedump_network_interface,lttng_statedump_interrupt,sched_process_free,sched_switch >/dev/null
+lttng enable-event -s $SESSION_NAME -k lttng_statedump_start,lttng_statedump_end,lttng_statedump_process_state,lttng_statedump_file_descriptor,lttng_statedump_vm_map,lttng_statedump_network_interface,lttng_statedump_interrupt,sched_process_free,sched_switch,sched_process_fork >/dev/null
[[ $? != 0 ]] && exit 2
lttng enable-event -s $SESSION_NAME -k --syscall -a >/dev/null
[[ $? != 0 ]] && exit 2
lttng destroy $SESSION_NAME >/dev/null
echo -n "Destroy $HOME/lttng-traces/$HOSTNAME/${SESSION_NAME}* (Y/n) ? "
read a
-if test $a = 'y' -o $a = 'Y'; then
+if test -z "$a" -o "$a" = 'y' -o "$a" = 'Y'; then
rm -rf $HOME/lttng-traces/$HOSTNAME/${SESSION_NAME}*
fi