Time Machine backups are but one of 70-80 background services which are run by macOS dispatching systems. Here’s a list of some of the others.
backup
When scheduled backups become irregular or stop, this affects much more than just Time Machine. This is what happens, and why you must restart.
Each report on your Time Machine backups now comes with a detailed timestamp in this new version.
How to run one-off backups, how to cancel automatic backups, and how to set your own backup schedules.
This completes the intended feature-set for the first release version: T2M2 can now make better backups too.
Adds a new set of analyses to discover the underlying cause of infrequent and irregular automatic backups.
You can back up multiple volumes to multiple backups. Here’s how and why you might do these things.
And the most important fix: the colours of the traffic light indicator are better.
A full explanation of everything that T2M2 analyses and reports, with practical tips on how to interpret and fix.
Whether you just want to check that Time Machine is backing up properly, or want to diagnose a suspected problem, this is the tool.
The Eclectic Light Company 