Sleep interrupts the scheduling and dispatch of background tasks. Here’s how it looks in the dispatching systems.
logs
Free, works with Sierra and other unified logs, examines log entries already in the log, unlike Console. Now supports logarchives and more.
Waypoints to help you navigate through Sierra’s log entries when putting a Mac to sleep, and when waking up from sleep.
Looking in detail at the background and scheduled activities which are loaded during startup. These supersede the previous launchd mechanism, and include routine maintenance.
Waypoints in the log entries encountered during a normal startup of Sierra 10.12.5. Some key messages have changed.
Some subtle improvements which make it much easier to use when working with saved logarchives. A final release candidate?
This makes it much easier to perform repeated analysis and search on logs captured to cover important events, such as crashes and problems.
Conventional log analysis gets precious little from Sierra’s unified log. Automated analysis has much greater potential. Will Apple head in this direction too?
Significant bugs or undesirable features limiting log, Console, and os_log as of 10.12.4.
Sierra 10.12.4 introduced undocumented changes in the log system which may break apps which write to the logs. Here is Blowhole fixed for that change.
