printf(" (optionnaly, you can set LTT_DAEMON env. var.)\n");
printf("-t Trace root path. (ex. /root/traces/example_trace)\n");
printf("-l LTT channels root path. (ex. /mnt/relayfs/ltt)\n");
printf(" (optionnaly, you can set LTT_DAEMON env. var.)\n");
printf("-t Trace root path. (ex. /root/traces/example_trace)\n");
printf("-l LTT channels root path. (ex. /mnt/relayfs/ltt)\n");