Trying to figure out how to see activity happening while iCloud Files is syncing. The macOS Console application shows messages from cloudd, but nothing very useful:

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The Activity Monitor does not show cloudd nor other process transferring much data either.

I'm looking for log files under /var/log or ~/Library/Logs, but cannot find anything.

Is there any log file that could be used with tail to see iCloud sync activity in real time?


1 Answer 1


You can use brctl like brctl log --wait. When it stops showing messages it's synced.

There seems to be a lot of options and little information. This blog post might be helpful

  • 5
    As far as 2020 and MacOS Catalina --wait parameter no longer exists.
    – Dawid Moś
    Feb 1, 2020 at 14:51
  • 10
    You can use brctl log -w --shorten on Catalina
    – intagli
    Feb 29, 2020 at 17:06

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