systemd - is a system and service manager for Linux operating systems
To find boot process duration $ systemd-analyze $ systemd-analyze time
To analyze time taken by each process at boot $ systemd-analyze blame
To analyze critical chain at boot $ systemd-analyze critical-chain
To Determine the initial start-up transaction $ systemd --test
To make not to pipe output into a pager $ systemd --test --no-pager
To Dump understood unit configuration items $ systemd --dump-configuration-items
To dump exposed bus properties $ systemd --dump-bus-properties
regards, T.Dhanasekar