Create log file:
touch /var/log/sudo.log
Edit the file /etc/sudoers
visudo
Paste
Defaults logfile="/var/log/sudo.log"
Restart rsyslog
sudo systemctl restart rsyslog
View log
tail -f /var/log/sudo.log
curl -s -o /dev/null -w "Conecction: %{time_connect}s | Start transfer: %{time_starttransfer}s | Total time: %{time_total}s\n" ...