systemd-analyse - Analyze and debug system manager
To determine system boot-up performance statistics $ systemd-analyze
To Print time required to boot the machine $ systemd-analyze time
To Print list of running units ordered by time to init $ systemd-analyze blame
To Print a tree of the time critical chain of units $ systemd-analyze critical-chain
Output state serialization of service manager $ systemd-analyze dump
Output SVG graphic showing service initialization $ systemd-analyze plot
To List load directories for units $ systemd-analyze unit-paths
To List exit status definitions $ systemd-analyze exit-status
To Analyze security of unit $ systemd-analyze security
regards, T.Dhanasekar