$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
--sync-after-first-event ${file_sync_after_first} \
- --sync-before-last-event ${file_sync_before_last} /dev/null 2>&1 &
+ --sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &
start_lttng_tracing_ok $SESSION_NAME
$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
--sync-after-first-event ${file_sync_after_first} \
- --sync-before-last-event ${file_sync_before_last} /dev/null 2>&1 &
+ --sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &
start_lttng_tracing_ok $SESSION_NAME